CCNA 3 v7.0 Final Exam Answers

1. Question

1 points

Which design feature will limit the size of a failure domain in an enterprise network?

the purchase of enterprise equipment that is designed for large traffic volume
the installation of redundant power supplies
the use of a collapsed core design
the use of the building switch block approach

2. Question

1 points

Which two things should a network administrator modify on a router to perform password recovery? (Choose two.)

the system image file
the NVRAM file system
the configuration register value
the startup configuration file
system ROM

3. Question

1 points

What type of network uses one common infrastructure to carry voice, data, and video signals?

borderless
converged
managed
switched

4. Question

1 points

What are three advantages of using private IP addresses and NAT? (Choose three.)

hides private LAN addressing from outside devices that are connected to the Internet
permits LAN expansion without additional public IP addresses
reduces CPU usage on customer routers
creates multiple public IP addresses
improves the performance of the router that is connected to the Internet
conserves registered public IP addresses

5. Question

1 points

Which two scenarios are examples of remote access VPNs? (Choose two.)

All users at a large branch office can access company resources through a single VPN connection.
A small branch office with three employees has a Cisco ASA that is used to create a VPN connection to the HQ.
A toy manufacturer has a permanent VPN connection to one of its parts suppliers.
A mobile sales agent is connecting to the company network via the Internet connection at a hotel.
An employee who is working from home uses VPN client software on a laptop in order to connect to the company network.

6. Question

1 points

What are three benefits of cloud computing? (Choose three.)

It utilizes end-user clients to do a substantial amount of data preprocessing and storage.
It uses open-source software for distributed processing of large datasets.
It streamlines the IT operations of an organization by subscribing only to needed services.
It enables access to organizational data anywhere and at any time.
It turns raw data into meaningful information by discovering patterns and relationships.
It eliminates or reduces the need for onsite IT equipment, maintenance, and management.

7. Question

1 points

What is a characteristic of a single-area OSPF network?

All routers share a common forwarding database.
All routers have the same neighbor table.
All routers are in the backbone area.
All routers have the same routing table.

8. Question

1 points

What is a WAN?

a network infrastructure that spans a limited physical area such as a city
a network infrastructure that provides access to other networks over a large geographic area
a network infrastructure that provides access in a small geographic area
a network infrastructure designed to provide data storage, retrieval, and replication

9. Question

1 points

A network administrator has been tasked with creating a disaster recovery plan. As part of this plan, the administrator is looking for a backup site for all of the data on the company servers. What service or technology would support this requirement?

data center
virtualization
dedicated servers
software defined networking

10. Question

1 points

Which type of OSPF packet is used by a router to discover neighbor routers and establish neighbor adjacency?

link-state update
hello
database description
link-state request

11. Question

1 points

Which two statements are characteristics of a virus? (Choose two.)

A virus has an enabling vulnerability, a propagation mechanism, and a payload.
A virus can be dormant and then activate at a specific time or date.
A virus provides the attacker with sensitive data, such as passwords.
A virus replicates itself by independently exploiting vulnerabilities in networks.
A virus typically requires end-user activation.

12. Question

1 points

Which public WAN access technology utilizes copper telephone lines to provide access to subscribers that are multiplexed into a single T3 link connection?

ISDN
DSL
cable
dialup

13. Question

1 points

A customer needs a metropolitan area WAN connection that provides high-speed, dedicated bandwidth between two sites. Which type of WAN connection would best fulfill this need?

packet-switched network
Ethernet WAN
circuit-switched network
MPLS

14. Question

1 points

A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use debuggers?

to detect installed tools within files and directories that provide threat actors remote access and control over a computer or network
to reverse engineer binary files when writing exploits and when analyzing malware
to obtain specially designed operating systems preloaded with tools optimized for hacking
to detect any evidence of a hack or malware in a computer or network

15. Question

1 points

Consider the following output for an ACL that has been applied to a router via the access-class in command. What can a network administrator determine from the output that is shown?

R1#
Standard IP access list 2
10 permit 192.168.10.0, wildcard bits 0.0.0.255 (2 matches)
20 deny any (1 match)

Two devices connected to the router have IP addresses of 192.168.10. x .
Two devices were able to use SSH or Telnet to gain access to the router.
Traffic from one device was not allowed to come into one router port and be routed outbound a different router port.
Traffic from two devices was allowed to enter one router port and be routed outbound to a different router port.

16. Question

1 points

What command would be used as part of configuring NAT or PAT to clear dynamic entries before the timeout has expired?

clear ip dhcp
clear ip nat translation
clear access-list counters
clear ip pat statistics

17. Question

1 points

What are two characteristics of video traffic? (Choose two.)

Video traffic consumes less network resources than voice traffic consumes.
Video traffic latency should not exceed 400 ms.
Video traffic is more resilient to loss than voice traffic is.
Video traffic requires a minimum of 30 kbs of bandwidth.
Video traffic is unpredictable and inconsistent.

18. Question

1 points

Refer to the exhibit. A technician is configuring R2 for static NAT to allow the client to access the web server. What is a possible reason that the client PC cannot access the web server?

The IP NAT statement is incorrect.
Interface Fa0/1 should be identified as the outside NAT interface.
Interface S0/0/0 should be identified as the outside NAT interface.
The configuration is missing a valid access control list.

19. Question

1 points

In setting up a small office network, the network administrator decides to assign private IP addresses dynamically to workstations and mobile devices. Which feature must be enabled on the company router in order for office devices to access the internet?

UPnP
MAC filtering
NAT
QoS

20. Question

1 points

A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?

online collaboration
BYOD
virtualization
maintaining communication integrity

21. Question

1 points

Refer to the exhibit. Which address or addresses represent the inside global address?

192.168.0.100
10.1.1.2
any address in the 10.1.1.0 network
209.165.20.25

22. Question

1 points

Which two IPsec protocols are used to provide data integrity?

MD5
DH
AES
SHA
RSA

23. Question

1 points

If an outside host does not have the Cisco AnyConnect client preinstalled, how would the host gain access to the client image?

The Cisco AnyConnect client is installed by default on most major operating systems.
The host initiates a clientless VPN connection using a compliant web browser to download the client.
The host initiates a clientless connection to a TFTP server to download the client.
The host initiates a clientless connection to an FTP server to download the client.

24. Question

1 points

A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.)

leased line
cable
digital subscriber line
Ethernet WAN
municipal Wi-Fi

25. Question

1 points

Which type of QoS marking is applied to Ethernet frames?

IP precedence
DSCP
ToS
CoS

26. Question

1 points

Refer to the exhibit. Routers R1 and R2 are connected via a serial link. One router is configured as the NTP master, and the other is an NTP client. Which two pieces of information can be obtained from the partial output of the show ntp associations detail command on R2? (Choose two.)

Both routers are configured to use NTPv2.
Router R1 is the master, and R2 is the client
The IP address of R2 is 192 168.1.2.
Router R2 is the master, and R1 is the client
The IP address of R1 is 192.168.1.2

27. Question

1 points

Refer to the exhibit. The network administrator that has the IP address of 10.0.70.23/25 needs to have access to the corporate FTP server (10.0.54.5/28). The FTP server is also a web server that is accessible to all internal employees on networks within the 10.x.x.x address. No other traffic should be allowed to this server. Which extended ACL would be used to filter this traffic, and how would this ACL be applied? (Choose two.)

R1(config)# interface s0/0/0
R1(config-if)# ip access-group 105 outR2(config)# interface gi0/0
R2(config-if)# ip access-group 105 in
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 20
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 21
access-list 105 permit tcp 10.0.0.0 0.255.255.255 host 10.0.54.5 eq www
access-list 105 deny ip any host 10.0.54.5
access-list 105 permit ip any any
access-list 105 permit ip host 10.0.70.23 host 10.0.54.5
access-list 105 permit tcp any host 10.0.54.5 eq www
access-list 105 permit ip any any
R1(config)# interface gi0/0
R1(config-if)# ip access-group 105 out
access-list 105 permit tcp host 10.0.54.5 any eq www
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 20
access-list 105 permit tcp host 10.0.70.23 host 10.0.54.5 eq 21

28. Question

1 points

Refer to the exhibit. If the network administrator created a standard ACL that allows only devices that connect to the R2 G0/0 network access to the devices on the R1 G0/1 interface, how should the ACL be applied?

inbound on the R2 G0/0 interface
outbound on the R1 G0/1 interface
inbound on the R1 G0/1 interface
outbound on the R2 S0/0/1 interface

29. Question

1 points

Which is a characteristic of a Type 2 hypervisor?

does not require management console software
has direct access to server hardware resources
best suited for enterprise environments
installs directly on hardware

30. Question

1 points

What are the two types of VPN connections? (Choose two.)

PPPoE
Frame Relay
site-to-site
remote access
leased line

31. Question

1 points

Refer to the exhibit. What three conclusions can be drawn from the displayed output? (Choose three.)

The DR can be reached through the GigabitEthernet 0/0 interface.
There have been 9 seconds since the last hello packet sent.
This interface is using the default priority.
The router ID values were not the criteria used to select the DR and the BDR.
The router ID on the DR router is 3.3.3.3
The BDR has three neighbors.

32. Question

1 points

Refer to the exhibit. A network administrator is configuring an ACL to limit the connection to R1 vty lines to only the IT group workstations in the network 192.168.22.0/28. The administrator verifies the successful Telnet connections from a workstation with IP 192.168.22.5 to R1 before the ACL is applied. However, after the ACL is applied to the interface Fa0/0, Telnet connections are denied. What is the cause of the connection failure?

The enable secret password is not configured on R1.
The IT group network is included in the deny statement.
The permit ACE specifies a wrong port number.
The permit ACE should specify protocol ip instead of tcp.
The login command has not been entered for vty lines.

33. Question

1 points

What functionality does mGRE provide to the DMVPN technology?

It allows the creation of dynamically allocated tunnels through a permanent tunnel source at the hub and dynamically allocated tunnel destinations at the spokes.
It provides secure transport of private information over public networks, such as the Internet.
It is a Cisco software solution for building multiple VPNs in an easy, dynamic, and scalable manner.
It creates a distributed mapping database of public IP addresses for all VPN tunnel spokes.

34. Question

1 points

What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets?

the FIB
the routing table
the ARP table
the DSP

35. Question

1 points

What command would be used as part of configuring NAT or PAT to display information about NAT configuration parameters and the number of addresses in the pool?

show running-config
show ip nat statistics
show ip cache
show version

36. Question

1 points

What is a purpose of establishing a network baseline?

It provides a statistical average for network performance.
It creates a point of reference for future network evaluations.
It manages the performance of network devices.
It checks the security configuration of network devices.

37. Question

1 points

Match the type of WAN device or service to the description. (Not all options are used.)

38. Question

1 points

Which statement describes a characteristic of standard IPv4 ACLs?

They filter traffic based on source IP addresses only.
They can be created with a number but not with a name.
They are configured in the interface configuration mode.
They can be configured to filter traffic based on both source IP addresses and source ports.

39. Question

1 points

Refer to the exhibit. R1 is configured for NAT as displayed. What is wrong with the configuration?

NAT-POOL2 is not bound to ACL 1.
Interface Fa0/0 should be identified as an outside NAT interface.
The NAT pool is incorrect.
Access-list 1 is misconfigured.

40. Question

1 points

Refer to the exhibit. What method can be used to enable an OSPF router to advertise a default route to neighboring OSPF routers?

Use a static route pointing to the ISP and redistribute it.
Use the redistribute static command on R0-A.
Use the default-information originate command on ISP.
Use the default-information originate command on R0-A.

41. Question

1 points

A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use applications such as John the Ripper,THC Hydra, RainbowCrack, and Medusa?

to capture and analyze packets within traditional Ethernet LANs or WLANs
to probe and test the robustness of a firewall by using specially created forged packets
to make repeated guesses in order to crack a password

42. Question

1 points

What are two syntax rules for writing a JSON array? (Choose two.)

Each value in the array is separated by a comma.
The array can include only one value type.
A space must separate each value in the array.
A semicolon separates the key and list of values.
Values are enclosed in square brackets.

43. Question

1 points

What is a characteristic of a Trojan horse as it relates to network security?

An electronic dictionary is used to obtain a password to be used to infiltrate a key network device.
Malware is contained in a seemingly legitimate executable program.
Extreme quantities of data are sent to a particular network device interface.
Too much information is destined for a particular memory block, causing additional memory areas to be affecte

44. Question

1 points

An attacker is redirecting traffic to a false default gateway in an attempt to intercept the data traffic of a switched network. What type of attack could achieve this?

TCP SYN flood
DNS tunneling
DHCP spoofing
ARP cache poisoning

45. Question

1 points

A company is developing a security policy for secure communication. In the exchange of critical messages between a headquarters office and a branch office, a hash value should only be recalculated with a predetermined code, thus ensuring the validity of data source. Which aspect of secure communications is addressed?

data integrity
non-repudiation
origin authentication
data confidentiality

46. Question

1 points

A company has contracted with a network security firm to help identify the vulnerabilities of the corporate network. The firm sends a team to perform penetration tests to the company network. Why would the team use packet sniffers?

to detect installed tools within files and directories that provide threat actors remote access and control over a computer or network
to detect any evidence of a hack or malware in a computer or network
to probe and test the robustness of a firewall by using specially created forged packets
to capture and analyze packets within traditional Ethernet LANs or WLANs

47. Question

1 points

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 172.20.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.15.255
0.0.3.255
0.0.7.255
0.0.1.255

48. Question

1 points

Match the HTTP method with the RESTful operation.

49. Question

1 points

Refer to the exhibit. What is the OSPF cost to reach the West LAN 172.16.2.0/24 from East?

65
782
74
128

50. Question

1 points

What is one reason to use the ip ospf priority command when the OSPF routing protocol is in use?

to activate the OSPF neighboring process
to influence the DR/BDR election process
to provide a backdoor for connectivity during the convergence process
to streamline and speed up the convergence process

51. Question

1 points

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 210 permit tcp 172.18.20.0 0.0.0.31 172.18.20.32 0.0.0.31 eq ftp .

If a packet with a source address of 172.18.20.14, a destination address of 172.18.20.40, and a protocol of 21 is received on the interface, is the packet permitted or denied?

permitted

52. Question

1 points

What is a characteristic of the two-tier spine-leaf topology of the Cisco ACI fabric architecture?

The spine and leaf switches are always linked through core switches.
The spine switches attach to the leaf switches and attach to each other for redundancy.
The leaf switches always attach to the spines and they are interlinked through a trunk line.
The leaf switches always attach to the spines, but they never attach to each other.

53. Question

1 points

Which two scenarios would result in a duplex mismatch? (Choose two.)

connecting a device with autonegotiation to another that is manually set to full-duplex
starting and stopping a router interface during a normal operation
connecting a device with an interface running at 100 Mbps to another with an interface running at 1000 Mbps
configuring dynamic routing incorrectly
manually setting the two connected devices to different duplex modes

54. Question

1 points

A network technician is configuring SNMPv3 and has set a security level of auth . What is the effect of this setting?

authenticates a packet by a string match of the username or community string
authenticates a packet by using either the HMAC with MD5 method or the SHA method
authenticates a packet by using either the HMAC MD5 or 3.HMAC SHA algorithms and encrypts the packet with either the DES, 3DES or AES algorithms
authenticates a packet by using the SHA algorithm only

55. Question

1 points

What are two types of attacks used on DNS open resolvers? (Choose two.)

amplification and reflection
resource utilization
fast flux
ARP poisoning
cushioning

56. Question

1 points

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 101 permit udp 192.168.100.0 0.0.2.255 64.100.40.0 0.0.0.15 eq telnet .

If a packet with a source address of 192.168.101.45, a destination address of 64.100.40.4, and a protocol of 23 is received on the interface, is the packet permitted or denied?

denied
permitted

57. Question

1 points

Which type of resources are required for a Type 1 hypervisor?

a dedicated VLAN
a management console
a host operating system

58. Question

1 points

In JSON, what is held within square brackets [ ]?

nested values
key/value pairs
an object
an array

59. Question

1 points

What are three components used in the query portion of a typical RESTful API request? (Choose three.)

resources
protocol
API server
format
key
parameters

60. Question

1 points

A user reports that when the corporate web page URL is entered on a web browser, an error message indicates that the page cannot be displayed. The help-desk technician asks the user to enter the IP address of the web server to see if the page can be displayed. Which troubleshooting method is being used by the technician?

top-down
bottom-up
divide-and-conquer
substitution

61. Question

1 points

Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN?

MD5
AES
IPsec
ESP

62. Question

1 points

Which statement describes a characteristic of Cisco Catalyst 2960 switches?

They are best used as distribution layer switches.
New Cisco Catalyst 2960-C switches support PoE pass-through.
They are modular switches.
They do not support an active switched virtual interface (SVI) with IOS versions prior to 15.x.

63. Question

1 points

Which component of the ACI architecture translates application policies into network programming?

the hypervisor
the Application Policy Infrastructure Controller
the Nexus 9000 switch
the Application Network Profile endpoints

64. Question

1 points

Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.)

device type
cable specification
interface identifier
OS/IOS version
connection type
cable type and identifier

65. Question

1 points

Refer to the exhibit. A PC at address 10.1.1.45 is unable to access the Internet. What is the most likely cause of the problem?

The NAT pool has been exhausted.
The wrong netmask was used on the NAT pool.
Access-list 1 has not been configured properly.
The inside and outside interfaces have been configured backwards.

66. Question

1 points

What are two benefits of using SNMP traps? (Choose two.)

They eliminate the need for some periodic polling requests.
They reduce the load on network and agent resources.
They limit access for management systems only.
They can provide statistics on TCP/IP packets that flow through Cisco devices.
They can passively listen for exported NetFlow datagrams.

67. Question

1 points

Which statement accurately describes a characteristic of IPsec?

IPsec works at the application layer and protects all application data.
IPsec is a framework of standards developed by Cisco that relies on OSI algorithms.
IPsec is a framework of proprietary standards that depend on Cisco specific algorithms.
IPsec works at the transport layer and protects data at the network layer.
IPsec is a framework of open standards that relies on existing algorithms.

68. Question

1 points

In a large enterprise network, which two functions are performed by routers at the distribution layer? (Choose two.)

connect users to the network
provide a high-speed network backbone
connect remote networks
provide Power over Ethernet to devices
provide data traffic security

69. Question

1 points

Which two statements describe the use of asymmetric algorithms? (Choose two.)

Public and private keys may be used interchangeably.
If a public key is used to encrypt the data, a public key must be used to decrypt the data.
If a private key is used to encrypt the data, a public key must be used to decrypt the data.
If a public key is used to encrypt the data, a private key must be used to decrypt the data.
If a private key is used to encrypt the data, a private key must be used to decrypt the data.

70. Question

1 points

Refer to the exhibit. A network administrator has deployed QoS and has configured the network to mark traffic on the VoIP phones as well as the Layer 2 and Layer 3 switches. Where should initial marking occur to establish the trust boundary?

Trust Boundary 4
Trust Boundary 3
Trust Boundary 1
Trust Boundary 2

71. Question

1 points

What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)

reduced costs
decreased number of critical points of failure
increased flexibility
increased bandwidth availability
increased network management options

72. Question

1 points

What are two purposes of launching a reconnaissance attack on a network? (Choose two.)

to scan for accessibility
to retrieve and modify data
to gather information about the network and devices
to prevent other users from accessing the system
to escalate access privileges

73. Question

1 points

A group of users on the same network are all complaining about their computers running slowly. After investigating, the technician determines that these computers are part of a zombie network. Which type of malware is used to control these computers?

botnet
spyware
virus
rootkit

74. Question

1 points

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 101 permit tcp 10.1.1.0 0.0.0.255 host 192.31.7.45 eq dns .

If a packet with a source address of 10.1.1.201, a destination address of 192.31.7.45, and a protocol of 23 is received on the interface, is the packet permitted or denied?

permitted
denied

75. Question

1 points

Refer to the exhibit. From which location did this router load the IOS?

flash memory
NVRAM?
RAM
ROM
a TFTP server?

76. Question

1 points

Refer to the exhibit. Which data format is used to represent the data for network automation applications?

XML
YAML
HTML
JSON

77. Question

1 points

What QoS step must occur before packets can be marked?

classifying
shaping
queuing
policing

78. Question

1 points

What is the main function of a hypervisor?

It is used to create and manage multiple VM instances on a host machine.
It is a device that filters and checks security credentials.
It is a device that synchronizes a group of sensors.
It is software used to coordinate and prepare data for analysis.
It is used by ISPs to monitor cloud computing resources.

79. Question

1 points

A company needs to interconnect several branch offices across a metropolitan area. The network engineer is seeking a solution that provides high-speed converged traffic, including voice, video, and data on the same network infrastructure. The company also wants easy integration to their existing LAN infrastructure in their office locations. Which technology should be recommended?

Frame Relay
Ethernet WAN
VSAT
ISDN

80. Question

1 points

Refer to the exhibit. As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?

traffic shaping
weighted random early detection
classification and marking
traffic policing

81. Question

1 points

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 101 permit tcp 10.1.1.0 0.0.0.255 host 10.1.3.8 eq dns .

If a packet with a source address of 10.1.3.8, a destination address of 10.10.3.8, and a protocol of 53 is received on the interface, is the packet permitted or denied?

denied
permitted

82. Question

1 points

Refer to the exhibit. What is the purpose of the command marked with an arrow shown in the partial configuration output of a Cisco broadband router?

defines which addresses are allowed into the router
defines which addresses can be translated
defines which addresses are assigned to a NAT pool
defines which addresses are allowed out of the router

83. Question

1 points

If a router has two interfaces and is routing both IPv4 and IPv6 traffic, how many ACLs could be created and applied to it?

12
4
8
16
6

84. Question

1 points

Refer to the exhibit. An administrator first configured an extended ACL as shown by the output of the show access-lists command. The administrator then edited this access-list by issuing the commands below.

Router(config)# ip access-list extended 101
Router(config-ext-nacl)# no 20
Router(config-ext-nacl)# 5 permit tcp any any eq 22
Router(config-ext-nacl)# 20 deny udp any any

Which two conclusions can be drawn from this new configuration? (Choose two.)

TFTP packets will be permitted.
Ping packets will be permitted.
Telnet packets will be permitted.
SSH packets will be permitted.
All TCP and UDP packets will be denied.

85. Question

1 points

Which troubleshooting approach is more appropriate for a seasoned network administrator rather than a less-experienced network administrator?

a less-structured approach based on an educated guess
an approach comparing working and nonworking components to spot significant differences
a structured approach starting with the physical layer and moving up through the layers of the OSI model until the cause of the problem is identified
an approach that starts with the end-user applications and moves down through the layers of the OSI model until the cause of the problem has been identified

86. Question

1 points

Refer to the exhibit. Many employees are wasting company time accessing social media on their work computers. The company wants to stop this access. What is the best ACL type and placement to use in this situation?

extended ACL outbound on R2 WAN interface towards the internet
standard ACL outbound on R2 WAN interface towards the internet
standard ACL outbound on R2 S0/0/0
extended ACLs inbound on R1 G0/0 and G0/1

87. Question

1 points

Refer to the exhibit. An administrator is trying to configure PAT on R1, but PC-A is unable to access the Internet. The administrator tries to ping a server on the Internet from PC-A and collects the debugs that are shown in the exhibit. Based on this output, what is most likely the cause of the problem?

The inside and outside NAT interlaces have been configured backwards
The inside global address is not on the same subnet as the ISP
The address on Fa0/0 should be 64.100.0.1.
The NAT source access list matches the wrong address range.

88. Question

1 points

Why is QoS an important issue in a converged network that combines voice, video, and data communications?

Data communications must be given the first priority.
Voice and video communications are more sensitive to latency.
Legacy equipment is unable to transmit voice and video without QoS.
Data communications are sensitive to jitter.

89. Question

1 points

Which statement describes a VPN?

VPNs use logical connections to create public networks through the Internet.
VPNs use open source virtualization software to create the tunnel through the Internet.
VPNs use dedicated physical connections to transfer data between remote users.
VPNs use virtual connections to create a private network through a public network.

90. Question

1 points

In which OSPF state is the DR/BDR election conducted?

ExStart
Init
Two-Way
Exchange

91. Question

1 points

Two corporations have just completed a merger. The network engineer has been asked to connect the two corporate networks without the expense of leased lines. Which solution would be the most cost effective method of providing a proper and secure connection between the two corporate networks?

Cisco Secure Mobility Clientless SSL VPN
Frame Relay
remote access VPN using IPsec
Cisco AnyConnect Secure Mobility Client with SSL
site-to-site VPN

92. Question

1 points

What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence?

loading
established
full
two-way

93. Question

1 points

Refer to the exhibit. If the switch reboots and all routers have to re-establish OSPF adjacencies, which routers will become the new DR and BDR?

Router R4 will become the DR and router R1 will become the BDR.
Router R2 will become the DR and router R3 will become the BDR.
Router R1 will become the DR and router R2 will become the BDR.
Router R4 will become the DR and router R3 will become the BDR.

94. Question

1 points

Which type of server would be used to keep a historical record of messages from monitored network devices?

DNS
print
DHCP
syslog
authentication

95. Question

1 points

When QoS is implemented in a converged network, which two factors can be controlled to improve network performance for real-time traffic? (Choose two.)

packet addressing
delay
jitter
packet routing
link speed

96. Question

1 points

In which step of gathering symptoms does the network engineer determine if the problem is at the core, distribution, or access layer of the network?

Determine ownership.
Determine the symptoms.
Narrow the scope.
Document the symptoms.
Gather information.

97. Question

1 points

What protocol sends periodic advertisements between connected Cisco devices in order to learn device name, IOS version, and the number and type of interfaces?

CDP
SNMP
NTP
LLDP

98. Question

1 points

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.0.0 255.255.252.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.0.127
0.0.0.31
0.0.3.255
0.0.0.63

99. Question

1 points

Refer to the exhibit. An administrator configures the following ACL in order to prevent devices on the 192.168.1.0 subnet from accessing the server at 10.1.1.5:

access-list 100 deny ip 192.168.1.0 0.0.0.255 host 10.1.1.5
access-list 100 permit ip any any

Where should the administrator place this ACL for the most efficient use of network resources?

inbound on router A Fa0/0
outbound on router B Fa0/0
outbound on router A Fa0/1
inbound on router B Fa0/1

100. Question

1 points

Which type of OSPFv2 packet is used to forward OSPF link change information?

link-state acknowledgment
link-state update
hello
database description

101. Question

1 points

What protocol synchronizes with a private master clock or with a publicly available server on the internet?

MPLS
CBWFQ
TFTP
NTP

102. Question

1 points

Which type of VPN allows multicast and broadcast traffic over a secure site-to-site VPN?

dynamic multipoint VPN
SSL VPN
IPsec virtual tunnel interface
GRE over IPsec

103. Question

1 points

An OSPF router has three directly connected networks; 10.0.0.0/16, 10.1.0.0/16, and 10.2.0.0/16. Which OSPF network command would advertise only the 10.1.0.0 network to neighbors?

router(config-router)# network 10.1.0.0 0.0.255.255 area 0
router(config-router)# network 10.1.0.0 0.0.15.255 area 0
router(config-router)# network 10.1.0.0 255.255.255.0 area 0
router(config-router)# network 10.1.0.0 0.0.0.0 area 0

104. Question

1 points

Refer to the exhibit. Which sequence of commands should be used to configure router A for OSPF?

router ospf 1
network 192.168.10.0 area 0
router ospf 1
network 192.168.10.0
router ospf 1
network 192.168.10.64 255.255.255.192
network 192.168.10.192 255.255.255.252
router ospf 1
network 192.168.10.64 0.0.0.63 area 0
network 192.168.10.192 0.0.0.3 area 0

105. Question

1 points

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 192.168.0.0 255.255.254.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.7.255
0.0.1.255
0.0.3.255
0.0.15.255

106. Question

1 points

How does virtualization help with disaster recovery within a data center?

improvement of business practices
supply of consistent air flow
support of live migration
guarantee of power

107. Question

1 points

Refer to the exhibit. If no router ID was manually configured, what would router R1 use as its OSPF router ID?

10.0.0.1
10.1.0.1
192.168.1.100
209.165.201.1

108. Question

1 points

Refer to the exhibit. Which devices exist in the failure domain when switch S3 loses power?

S4 and PC_2
PC_3 and AP_2
AP_2 and AP_1
PC_3 and PC_2
S1 and S4

109. Question

1 points

Which set of access control entries would allow all users on the 192.168.10.0/24 network to access a web server that is located at 172.17.80.1, but would not allow them to use Telnet?

access-list 103 deny tcp host 192.168.10.0 any eq 23
access-list 103 permit tcp host 192.168.10.1 eq 80
access-list 103 permit tcp 192.168.10.0 0.0.0.255 host 172.17.80.1 eq 80
access-list 103 deny tcp 192.168.10.0 0.0.0.255 any eq 23
access-list 103 permit tcp 192.168.10.0 0.0.0.255 any eq 80
access-list 103 deny tcp 192.168.10.0 0.0.0.255 any eq 23
access-list 103 permit 192.168.10.0 0.0.0.255 host 172.17.80.1
access-list 103 deny tcp 192.168.10.0 0.0.0.255 any eq telnet

110. Question

1 points

Refer to the exhibit. A network administrator needs to add an ACE to the TRAFFIC-CONTROL ACL that will deny IP traffic from the subnet 172.23.16.0/20. Which ACE will meet this requirement?

5 deny 172.23.16.0 0.0.15.255
5 deny 172.23.16.0 0.0.255.255
15 deny 172.23.16.0 0.0.15.255
30 deny 172.23.16.0 0.0.15.255

111. Question

1 points

Which step in the link-state routing process is described by a router building a link-state database based on received LSAs?

executing the SPF algorithm
building the topology table
selecting the router ID
declaring a neighbor to be inaccessible

112. Question

1 points

What protocol uses agents, that reside on managed devices, to collect and store information about the device and its operation?

SYSLOG
TFTP
CBWFQ
SNMP

113. Question

1 points

An administrator is configuring single-area OSPF on a router. One of the networks that must be advertised is 10.27.27.0 255.255.255.0. What wildcard mask would the administrator use in the OSPF network statement?

0.0.0.63
0.0.0.255
0.0.0.31
0.0.0.15

114. Question

1 points

When will an OSPF-enabled router transition from the Down state to the Init state?

when an OSPF-enabled interface becomes active
as soon as the router starts
when the router receives a hello packet from a neighbor router
as soon as the DR/BDR election process is complete

115. Question

1 points

What type of traffic is described as having a high volume of data per packet?

data
video
voice

116. Question

1 points

What protocol is a vendor-neutral Layer 2 protocol that advertises the identity and capabilities of the host device to other connected network devices?

LLDP
NTP
TFTP
SNMP

117. Question

1 points

Which step in the link-state routing process is described by a router running an algorithm to determine the best path to each destination?

building the topology table
selecting the router ID
declaring a neighbor to be inaccessible
executing the SPF algorithm

118. Question

1 points

Refer to the exhibit. Which conclusion can be drawn from this OSPF multiaccess network?

If the DR stops producing Hello packets, a BDR will be elected, and then it promotes itself to assume the role of DR.
With an election of the DR, the number of adjacencies is reduced from 6 to 3.
When a DR is elected all other non-DR routers become DROTHER.
All DROTHER routers will send LSAs to the DR and BDR to multicast 224.0.0.5.

119. Question

1 points

Refer to the exhibit. The network administrator has an IP address of 192.168.11.10 and needs access to manage R1. What is the best ACL type and placement to use in this situation?

extended ACL outbound on R2 WAN interface towards the internet
standard ACL inbound on R1 vty lines
extended ACLs inbound on R1 G0/0 and G0/1
extended ACL outbound on R2 S0/0/1

120. Question

1 points

Which type of VPN connects using the Transport Layer Security (TLS) feature?

SSL VPN
IPsec virtual tunnel interface
GRE over IPsec
dynamic multipoint VPN

121. Question

1 points

Which group of APIs are used by an SDN controller to communicate with various applications?

eastbound APIs
westbound APIs
northbound APIs
southbound APIs

122. Question

1 points

A company has consolidated a number of servers and it is looking for a program or firmware to create and control virtual machines which have access to all the hardware of the consolidated servers. What service or technology would support this requirement?

Cisco ACI
software defined networking
Type-1 hypervisor
APIC-EM

123. Question

1 points

What command would be used as part of configuring NAT or PAT to identify inside local addresses that are to be translated?

ip nat inside source list 24 interface serial 0/1/0 overload
ip nat inside source list 14 pool POOL-STAT overload
access-list 10 permit 172.19.89.0 0.0.0.255
ip nat inside source list ACCTNG pool POOL-STAT

124. Question

1 points

Anycompany has decided to reduce its environmental footprint by reducing energy costs, moving to a smaller facility, and promoting telecommuting, what service or technology would support requirement?

Cloud services
Data center
APIC-EM
Cisco ACI

125. Question

1 points

Refer to the exhibit. An administrator is trying to back up the current running configuration of the router to a USB drive, and enters the command copy usbflash0:/R1-config running-config on the router command line. After removing the USB drive and connecting it to a PC, the administrator discovers that the running configuration was not properly backed up to the R1-config file. What is the problem?

The file already exists on the USB drive and cannot be overwritten.
The drive was not properly formatted with the FAT16 file system.
There is no space left on the USB drive.
The USB drive is not recognized by the router.
The command that the administrator used was incorrect.

126. Question

1 points

Which three types of VPNs are examples of enterprise-managed site-to-site VPNs? (Choose three.)

Layer 3 MPLS VPN
IPsec VPN
Cisco Dynamic Multipoint VPN
GRE over IPsec VPN
clientless SSL VPN
client-based IPsec VPN

127. Question

1 points

Refer to the exhibit. Employees on 192.168.11.0/24 work on critically sensitive information and are not allowed access off their network. What is the best ACL type and placement to use in this situation?

standard ACL inbound on R1 vty lines
extended ACL inbound on R1 G0/0
standard ACL inbound on R1 G0/1
extended ACL inbound on R3 S0/0/1

128. Question

1 points

In an OSPF network which two statements describe the link-state database (LSDB)? (Choose two.)

It can be viewed by using the show ip ospf database command.
A neighbor table is created based on the LSDB.
It contains a list of only the best routes to a particular network.
It contains a list of all neighbor routers to which a router has established bidirectional communication.
All routers within an area have an identical link-state database.

129. Question

1 points

In an OSPF network which OSPF structure is used to create the neighbor table on a router?

adjacency database
link-state database
routing table
forwarding database

130. Question

1 points

What protocol is used in a system that consists of three elements--a manager, agents, and an information database?

MPLS
SYSLOG
SNMP
TFTP

131. Question

1 points

What type of traffic is described as not resilient to loss?

data
video
voice

132. Question

1 points

Refer to the exhibit. Router R1 is configured with static NAT. Addressing on the router and the web server are correctly configured, but there is no connectivity between the web server and users on the Internet. What is a possible reason for this lack of connectivity?

Interface Fa0/0 should be configured with the command ip nat outside.
The inside global address is incorrect.
The router NAT configuration has an incorrect inside local address.
The NAT configuration on interface S0/0/1 is incorrect.

133. Question

1 points

Which type of API would be used to allow authorized salespeople of an organization access to internal sales data from their mobile devices?

open
partner
public
private

134. Question

1 points

Refer to the exhibit. Which data format is used to represent the data for network automation applications?

XML
HTML
YAML
JSON

135. Question

1 points

An ACL is applied inbound on a router interface. The ACL consists of a single entry:

access-list 101 permit udp 192.168.100.32 0.0.0.7 host 198.133.219.76 eq telnet .

If a packet with a source address of 198.133.219.100, a destination address of 198.133.219.170, and a protocol of 23 is received on the interface, is the packet permitted or denied?

denied
permitted

136. Question

1 points

How does virtualization help with disaster recovery within a data center?

Hardware does not have to be identical.
Power is always provided.
Less energy is consumed.
Server provisioning is faster.

137. Question

1 points

What protocol is a vendor-neutral Layer 2 protocol that advertises the identity and capabilities of the host device to other connected network devices?

NTP
LLDP
SNMP
MPLS

138. Question

1 points

Which type of VPN uses a hub-and-spoke configuration to establish a full mesh topology?

MPLS VPN
GRE over IPsec
IPsec virtual tunnel interface
dynamic multipoint VPN

139. Question

1 points

What is a characteristic of the REST API?

evolved into what became SOAP
used for exchanging XML structured information over HTTP or SMTP
considered slow, complex, and rigid
most widely used API for web services

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