CCNA 1 v7 Modules 8 – 10: Communicating Between Networks

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Modules 8 – 10: Communicating Between Networks Exam Answers

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Question 1 of 76

1. Question
1 points
Which information is used by routers to forward a data packet toward its destination?
- source IP address
- destination IP address
- source data-link address
- destination data-link address
Correct

Incorrect
Question 2 of 76

2. Question
1 points
A computer has to send a packet to a destination host in the same LAN. How will the packet be sent?
- The packet will be sent to the default gateway first, and then, depending on the response from the gateway, it may be sent to the destination host.
- The packet will be sent directly to the destination host.
- The packet will first be sent to the default gateway, and then from the default gateway it will be sent directly to the destination host.
- The packet will be sent only to the default gateway.
Correct

Incorrect
Question 3 of 76

3. Question
1 points
A router receives a packet from the Gigabit 0/0 interface and determines that the packet needs to be forwarded out the Gigabit 0/1 interface. What will the router do next?
- route the packet out the Gigabit 0/1 interface
- create a new Layer 2 Ethernet frame to be sent to the destination
- look into the ARP cache to determine the destination IP address
- look into the routing table to determine if the destination network is in the routing table
Correct

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Question 4 of 76

4. Question
1 points
Which IPv4 address can a host use to ping the loopback interface?
- 126.0.0.1
- 127.0.0.0
- 126.0.0.0
- 127.0.0.1
Correct

Incorrect
Question 5 of 76

5. Question
1 points
A computer can access devices on the same network but cannot access devices on other networks. What is the probable cause of this problem?
- The cable is not connected properly to the NIC.
- The computer has an invalid IP address.
- The computer has an incorrect subnet mask.
- The computer has an invalid default gateway address.
Correct

Incorrect
Question 6 of 76

6. Question
1 points
Which statement describes a feature of the IP protocol?
- IP encapsulation is modified based on network media.
- IP relies on Layer 2 protocols for transmission error control.
- MAC addresses are used during the IP packet encapsulation.
- IP relies on upper layer services to handle situations of missing or out-of-order packets.
Correct

Incorrect

Hint
IP protocol is a connection-less protocol, considered unreliable in terms of end-to-end delivery. It does not provide error control in the cases where receiving packets are out-of-order or in cases of missing packets. It relies on upper layer services, such as TCP, to resolve these issues.
Question 7 of 76

7. Question
1 points
Why is NAT not needed in IPv6?
- Because IPv6 has integrated security, there is no need to hide the IPv6 addresses of internal networks.
- Any host or user can get a public IPv6 network address because the number of available IPv6 addresses is extremely large.
- The problems that are induced by NAT applications are solved because the IPv6 header improves packet handling by intermediate routers.
- The end-to-end connectivity problems that are caused by NAT are solved because the number of routes increases with the number of nodes that are connected to the Internet.
Correct

Incorrect
Question 8 of 76

8. Question
1 points
Which parameter does the router use to choose the path to the destination when there are multiple routes available?
- the lower metric value that is associated with the destination network
- the lower gateway IP address to get to the destination network
- the higher metric value that is associated with the destination network
- the higher gateway IP address to get to the destination network
Correct

Incorrect
Question 9 of 76

9. Question
1 points
What are two services provided by the OSI network layer? (Choose two.)
- performing error detection
- routing packets toward the destination
- encapsulating PDUs from the transport layer
- placement of frames on the media
- collision detection
Correct

Incorrect
Hint
The OSI network layer provides several services to allow communication between devices:
- addressing
- encapsulation
- routing
- de-encapsulation
Error detection, placing frames on the media, and collision detection are all functions of the data ink layer.
Question 10 of 76

10. Question
1 points
Within a production network, what is the purpose of configuring a switch with a default gateway address?
- Hosts that are connected to the switch can use the switch default gateway address to forward packets to a remote destination.
- A switch must have a default gateway to be accessible by Telnet and SSH.
- The default gateway address is used to forward packets originating from the switch to remote networks.
- It provides a next-hop address for all traffic that flows through the switch.
Correct

Incorrect

Hint
A default gateway address allows a switch to forward packets that originate on the switch to remote networks. A default gateway address on a switch does not provide Layer 3 routing for PCs that are connected on that switch. A switch can still be accessible from Telnet as long as the source of the Telnet connection is on the local network.
Question 11 of 76

11. Question
1 points
What is a basic characteristic of the IP protocol?
- connectionless
- media dependent
- user data segmentation
- reliable end-to-end delivery
Correct

Incorrect

Hint
Internet Protocol (IP) is a network layer protocol that does not require initial exchange of control information to establish an end-to-end connection before packets are forwarded. Thus, IP is connectionless and does not provide reliable end-to-end delivery by itself. IP is media independent. User data segmentation is a service provided at the transport layer.
Question 12 of 76

12. Question
1 points
Which field in the IPv4 header is used to prevent a packet from traversing a network endlessly?
- Time-to-Live
- Sequence Number
- Acknowledgment Number
- Differentiated Services
Correct

Incorrect

Hint
The value of the Time-to-Live (TTL) field in the IPv4 header is used to limit the lifetime of a packet. The sending host sets the initial TTL value; which is decreased by one each time the packet is processed by a router. If the TTL field decrements to zero, the router discards the packet and sends an Internet Control Message Protocol (ICMP) Time Exceeded message to the source IP address. The Differentiated Services (DS) field is used to determine the priority of each packet. Sequence Number and Acknowledgment Number are two fields in the TCP header.
Question 13 of 76

13. Question
1 points
What is one advantage that the IPv6 simplified header offers over IPv4?
- smaller-sized header
- little requirement for processing checksums
- smaller-sized source and destination IP addresses
- efficient packet handling
Correct

Incorrect
Hint
The IPv6 simplified header offers several advantages over IPv4:
- Better routing efficiency and efficient packet handling for performance and forwarding-rate scalability
- No requirement for processing checksums
- Simplified and more efficient extension header mechanisms (as opposed to the IPv4 Options field)
- A Flow Label field for per-flow processing with no need to open the transport inner packet to identify the various traffic flows
Question 14 of 76

14. Question
1 points
What IPv4 header field identifies the upper layer protocol carried in the packet?
- Protocol
- Identification
- Version
- Differentiated Services
Correct

Incorrect

Hint
It is the Protocol field in the IP header that identifies the upper-layer protocol the packet is carrying. The Version field identifies the IP version. The Differential Services field is used for setting packet priority. The Identification field is used to reorder fragmented packets.

Question 15 of 76

15. Question

1 points

Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all targets are used.)

Sort elements

FastEthernet1/1
FastEthernet1/0
FastEthernet0/1
Serial0/0/0
FastEthernet0/0
The packet is dropped.

packets with destination of 172.17.10.5

packets with destination of 172.17.12.10

packets with destination of 172.17.14.8

packets with destination of 172.17.8.20

packets with destination of 172.17.6.15

Correct

Incorrect

Hint

Packets with a destination of 172.17.6.15 are forwarded through Fa0/0. Packets with a destination of 172.17.10.5 are forwarded through Fa1/1. Packets with a destination of 172.17.12.10 are forwarded through Fa1/0. Packets with a destination of 172.17.14.8 are forwarded through Fa0/1. Because network 172.17.8.0 has no entry in the routing table, it will take the gateway of last resort, which means that packets with a destination of 172.17.8.20 are forwarded through Serial0/0/0. Because a gateway of last resort exists, no packets will be dropped.

Question 16 of 76

16. Question
1 points
What information does the loopback test provide?
- The TCP/IP stack on the device is working correctly.
- The device has end-to-end connectivity.
- DHCP is working correctly.
- The Ethernet cable is working correctly.
- The device has the correct IP address on the network.
Correct

Incorrect
Question 17 of 76

17. Question
1 points
What routing table entry has a next hop address associated with a destination network?
- directly-connected routes
- local routes
- remote routes
- C and L source routes
Correct

Incorrect
Question 18 of 76

18. Question
1 points
How do hosts ensure that their packets are directed to the correct network destination?
- They have to keep their own local routing table that contains a route to the loopback interface, a local network route, and a remote default route.
- They always direct their packets to the default gateway, which will be responsible for the packet delivery.
- They search in their own local routing table for a route to the network destination address and pass this information to the default gateway.
- They send a query packet to the default gateway asking for the best route.
Correct

Incorrect
Question 19 of 76

19. Question
1 points
When transporting data from real-time applications, such as streaming audio and video, which field in the IPv6 header can be used to inform the routers and switches to maintain the same path for the packets in the same conversation?
- Next Header
- Flow Label
- Traffic Class
- Differentiated Services
Correct

Incorrect

Hint
The Flow Label in IPv6 header is a 20-bit field that provides a special service for real-time applications. This field can be used to inform routers and switches to maintain the same path for the packet flow so that packets will not be reordered.
Question 20 of 76

20. Question
1 points
What statement describes the function of the Address Resolution Protocol?
- ARP is used to discover the IP address of any host on a different network.
- ARP is used to discover the IP address of any host on the local network.
- ARP is used to discover the MAC address of any host on a different network.
- ARP is used to discover the MAC address of any host on the local network.
Correct

Incorrect
Question 21 of 76

21. Question
1 points
Under which two circumstances will a switch flood a frame out of every port except the port that the frame was received on? (Choose two.)
- The frame has the broadcast address as the destination address.
- The destination address is unknown to the switch.
- The source address in the frame header is the broadcast address.
- The source address in the frame is a multicast address.
- The destination address in the frame is a known unicast address.
Correct

Incorrect

Hint
A switch will flood a frame out of every port, except the one that the frame was received from, under two circumstances. Either the frame has the broadcast address as the destination address, or the destination address is unknown to the switch.
Question 22 of 76

22. Question
1 points
Which statement describes the treatment of ARP requests on the local link?
- They must be forwarded by all routers on the local network.
- They are received and processed by every device on the local network.
- They are dropped by all switches on the local network.
- They are received and processed only by the target device.
Correct

Incorrect

Hint
One of the negative issues with ARP requests is that they are sent as a broadcast. This means all devices on the local link must receive and process the request.
Question 23 of 76

23. Question
1 points
Which destination address is used in an ARP request frame?
- 0.0.0.0
- 255.255.255.255
- FFFF.FFFF.FFFF
- AAAA.AAAA.AAAA
- the physical address of the destination host
Correct

Incorrect

Hint
The purpose of an ARP request is to find the MAC address of the destination host on an Ethernet LAN. The ARP process sends a Layer 2 broadcast to all devices on the Ethernet LAN. The frame contains the IP address of the destination and the broadcast MAC address, FFFF.FFFF.FFFF. The host with the IP address that matches the IP address in the ARP request will reply with a unicast frame that includes the MAC address of the host. Thus the original sending host will obtain the destination IP and MAC address pair to continue the encapsulation process for data transmission.
Question 24 of 76

24. Question
1 points
A network technician issues the arp -d * command on a PC after the router that is connected to the LAN is reconfigured. What is the result after this command is issued?
- The ARP cache is cleared.
- The current content of the ARP cache is displayed.
- The detailed information of the ARP cache is displayed.
- The ARP cache is synchronized with the router interface.
Correct

Incorrect

Hint
Issuing the arp –d * command on a PC will clear the ARP cache content. This is helpful when a network technician wants to ensure the cache is populated with updated information.
Question 25 of 76

25. Question
1 points
Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame?
- The switch will discard the frame.
- The switch will forward the frame only to port 2.
- The switch will forward the frame to all ports except port 4.
- The switch will forward the frame to all ports.
- The switch will forward the frame only to ports 1 and 3.
Correct

Incorrect

Hint
The MAC address of PC3 is not present in the MAC table of the switch. Because the switch does not know where to send the frame that is addressed to PC3, it will forward the frame to all the switch ports, except for port 4, which is the incoming port.
Question 26 of 76

26. Question
1 points
Which two types of IPv6 messages are used in place of ARP for address resolution?
- anycast
- broadcast
- echo reply
- echo request
- neighbor solicitation
- neighbor advertisement
Correct

Incorrect

Hint
IPv6 does not use ARP. Instead, ICMPv6 neighbor discovery is used by sending neighbor solicitation and neighbor advertisement messages.
Question 27 of 76

27. Question
1 points
What is the aim of an ARP spoofing attack?
- to flood the network with ARP reply broadcasts
- to fill switch MAC address tables with bogus addresses
- to associate IP addresses to the wrong MAC address
- to overwhelm network hosts with ARP requests
Correct

Incorrect
Question 28 of 76

28. Question
1 points
Refer to the exhibit. PC1 attempts to connect to File_server1 and sends an ARP request to obtain a destination MAC address. Which MAC address will PC1 receive in the ARP reply?
- the MAC address of S1
- the MAC address of the G0/0 interface on R1
- the MAC address of the G0/0 interface on R2
- the MAC address of S2
- the MAC address of File_server1
Correct

Incorrect
Question 29 of 76

29. Question
1 points
Where are IPv4 address to Layer 2 Ethernet address mappings maintained on a host computer?
- neighbor table
- ARP cache
- routing table
- MAC address table
Correct

Incorrect
Question 30 of 76

30. Question
1 points
What important information is examined in the Ethernet frame header by a Layer 2 device in order to forward the data onward?
- source MAC address
- source IP address
- destination MAC address
- Ethernet type
- destination IP address
Correct

Incorrect

Hint
The Layer 2 device, such as a switch, uses the destination MAC address to determine which path (interface or port) should be used to send the data onward to the destination device.

Question 31 of 76

31. Question

1 points

Match the commands to the correct actions. (Not all options are used.)

Sort elements

Router(config-line)# password class
Router(config)# banner motd #
Router(config)# hostname CL1
Router(config)# enable password Cisco
Router(config)# password Cisco

provides security on the console

displays a message when the router is accessed

configures a name on the router

Correct

Incorrect

Question 32 of 76

32. Question
1 points
A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured?
- Reboot the device.
- Enter CTRL-Z at the privileged mode prompt.
- Exit global configuration mode.
- Power cycle the device.
- Exit privileged EXEC mode and press Enter.
Correct

Incorrect

Hint
While at the privileged mode prompt such as Router#, type exit,press Enter, and the banner message appears. Power cycling a network device that has had the banner motd command issued will also display the banner message, but this is not a quick way to test the configuration.

Question 33 of 76

33. Question

1 points

A network administrator requires access to manage routers and switches locally and remotely. Match the description to the access method. (Not all options are used.)

Sort elements

AUX
console
SSH
Telnet
FTP

remote access via a dialup connection

preferred out-of-band access method

remote access method that uses encryption

unsecure remote access

Correct

Incorrect

Hint

Both the console and AUX ports can be used to directly connect to a Cisco network device for management purposes. However, it is more common to use the console port. The AUX port is more often used for remote access via a dial up connection. SSH and Telnet are both remote access methods that depend on an active network connection. SSH uses a stronger password authentication than Telnet uses and also uses encryption on transmitted data.

Question 34 of 76

34. Question

1 points

Match the phases to the functions during the boot up process of a Cisco router. (Not all options are used.)

Sort elements

enter setup mode
locate and load the Cisco IOS software
locate and load the startup configuration file
perform the POST and load the bootstrap program

phase 1

phase 2

phase 3

Correct

Incorrect

Question 35 of 76

35. Question

1 points

Match the command with the device mode at which the command is entered. (Not all options are used.)

Sort elements

R1(config-line)#
R1(config)#
R1(config-if)#
R1#
R1>
R1(config-router)#

service password-encryption

ip address 192.168.4.4 255.255.255.0

copy running-config startup-config

enable

Correct

Incorrect

Question 36 of 76

36. Question
1 points
What are two functions of NVRAM? (Choose two.)
- to store the routing table
- to retain contents when power is removed
- to store the startup configuration file
- to contain the running configuration file
- to store the ARP table
Correct

Incorrect

Hint
NVRAM is permanent memory storage, so the startup configuration file is preserved even if the router loses power.
Question 37 of 76

37. Question
1 points
A router boots and enters setup mode. What is the reason for this?
- The IOS image is corrupt.
- Cisco IOS is missing from flash memory.
- The configuration file is missing from NVRAM.
- The POST process has detected hardware failure.
Correct

Incorrect
Question 38 of 76

38. Question
1 points
The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command?
- The switch will have a management interface with the address 172.16.100.1.
- The switch can be remotely managed from a host on another network.
- The switch can communicate with other hosts on the 172.16.100.0 network.
- The switch is limited to sending and receiving frames to and from the gateway 172.16.100.1.
Correct

Incorrect

Hint
A default gateway address is typically configured on all devices to allow them to communicate beyond just their local network.In a switch this is achieved using the command ip default-gateway .
Question 39 of 76

39. Question
1 points
What happens when the transport input ssh command is entered on the switch vty lines?
- The SSH client on the switch is enabled.
- Communication between the switch and remote users is encrypted.
- The switch requires a username/password combination for remote access.
- The switch requires remote connections via a proprietary client software.
Correct

Incorrect

Hint
The transport input ssh command when entered on the switch vty (virtual terminal lines) will encrypt all inbound controlled telnet connections.
Question 40 of 76

40. Question
1 points
Refer to the exhibit. A user PC has successfully transmitted packets to www.cisco.com. Which IP address does the user PC target in order to forward its data off the local network?
- 172.24.255.17
- 172.24.1.22
- 172.20.0.254
- 172.24.255.4
- 172.20.1.18
Correct

Incorrect

Question 41 of 76

41. Question

1 points

Match the configuration mode with the command that is available in that mode. (Not all options are used.)

Sort elements

R1(config-line)#
R1#
R1(config-router)#
R1>
R1(config)#

copy running-config startup-config

enable

interface fastethernet 0/0

Correct

Incorrect

Question 42 of 76

42. Question
1 points
Which three commands are used to set up secure access to a router through a connection to the console interface? (Choose three.)
- interface fastethernet 0/0
- line vty 0 4
- line console 0
- enable secret cisco
- login
- password cisco
Correct

Incorrect
Hint
The three commands needed to password protect the console port are as follows:
- line console 0
- password cisco
- login
The interface fastethernet 0/0 command is commonly used to access the configuration mode used to apply specific parameters such as the IP address to the Fa0/0 port. The line vty 0 4 command is used to access the configuration mode for Telnet. The0and 4 parameters specify ports 0 through 4, or a maximum of five simultaneous Telnet connections. The enable secret command is used to apply a password used on the router to access the privileged mode.
Question 43 of 76

43. Question
1 points
Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?
- It is the IP address of the Router1 interface that connects the company to the Internet.
- It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.
- It is the IP address of Switch1 that connects PC1 to other devices on the same LAN.
- It is the IP address of the ISP network device located in the cloud.
Correct

Incorrect
Question 44 of 76

44. Question
1 points
Which two functions are primary functions of a router? (Choose two.)
- packet forwarding
- microsegmentation
- domain name resolution
- path selection
- flow control
Correct

Incorrect

Hint
A router accepts a packet and accesses its routing table to determine the appropriate exit interface based on the destination address. The router then forwards the packet out of that interface.
Question 45 of 76

45. Question
1 points
What is the effect of using the Router# copy running-config startup-config command on a router?
- The contents of ROM will change.
- The contents of RAM will change.
- The contents of NVRAM will change.
- The contents of flash will change.
Correct

Incorrect

Hint
The command copy running-config startup-config copies the running-configuration file from RAM into NVRAM and saves it as the startup-configuration file. Since NVRAM is none-volatile memory it will be able to retain the configuration details when the router is powered off.
Question 46 of 76

46. Question
1 points
What will happen if the default gateway address is incorrectly configured on a host?
- The host cannot communicate with other hosts in the local network.
- The switch will not forward packets initiated by the host.
- The host will have to use ARP to determine the correct address of the default gateway.
- The host cannot communicate with hosts in other networks.
- A ping from the host to 127.0.0.1 would not be successful.
Correct

Incorrect

Hint
When a host needs to send a message to another host located on the same network, it can forward the message directly. However, when a host needs to send a message to a remote network, it must use the router, also known as the default gateway. This is because the data link frame address of the remote destination host cannot be used directly. Instead, the IP packet has to be sent to the router (default gateway) and the router will forward the packet toward its destination. Therefore, if the default gateway is incorrectly configured, the host can communicate with other hosts on the same network, but not with hosts on remote networks.
Question 47 of 76

47. Question
1 points
What are two potential network problems that can result from ARP operation? (Choose two.)
- Manually configuring static ARP associations could facilitate ARP poisoning or MAC address spoofing.
- On large networks with low bandwidth, multiple ARP broadcasts could cause data communication delays.
- Network attackers could manipulate MAC address and IP address mappings in ARP messages with the intent of intercepting network traffic.
- Large numbers of ARP request broadcasts could cause the host MAC address table to overflow and prevent the host from communicating on the network.
- Multiple ARP replies result in the switch MAC address table containing entries that match the MAC addresses of hosts that are connected to the relevant switch port.
Correct

Incorrect

Hint
Large numbers of ARP broadcast messages could cause momentary data communications delays. Network attackers could manipulate MAC address and IP address mappings in ARP messages with the intent to intercept network traffic. ARP requests and replies cause entries to be made into the ARP table, not the MAC address table. ARP table overflows are very unlikely. Manually configuring static ARP associations is a way to prevent, not facilitate, ARP poisoning and MAC address spoofing. Multiple ARP replies resulting in the switch MAC address table containing entries that match the MAC addresses of connected nodes and are associated with the relevant switch port are required for normal switch frame forwarding operations. It is not an ARP caused network problem.
Question 48 of 76

48. Question
1 points
Open the PT activity. Perform the tasks in the activity instructions and then answer the question.

CCNA 1 v7 Modules 8 – 10 Communicating Between Networks Exam

Which interfaces in each router are active and operational?
- R1: G0/0 and S0/0/0 R2: G0/0 and S0/0/0
- R1: G0/1 and S0/0/1 R2: G0/0 and S0/0/1
- R1: G0/0 and S0/0/0 R2: G0/1 and S0/0/0
- R1: G0/0 and S0/0/1 R2: G0/1 and S0/0/1
Correct

Incorrect

Hint
The command to use for this activity is show ip interface brief in each router. The active and operational interfaces are represented by the value “up” in the “Status” and “Protocol” columns. The interfaces in R1 with these characteristics are G0/0 and S0/0/0. In R2 they are G0/1 and S0/0/0.
Question 49 of 76

49. Question
1 points
Which term describes a field in the IPv4 packet header used to identify the next level protocol?
- protocol
- destination IPv4 address
- source IPv4 address
- TTL
Correct

Incorrect
Question 50 of 76

50. Question
1 points
Which term describes a field in the IPv4 packet header that contains an 8-bit binary value used to determine the priority of each packet?
- differentiated services
- destination IPv4 address
- source IPv4 address
- protocol
Correct

Incorrect
Question 51 of 76

51. Question
1 points
Which term describes a field in the IPv4 packet header that contains a 32-bit binary value associated with an interface on the sending device?
- source IPv4 address
- destination IPv4 address
- protocol
- TTL
Correct

Incorrect
Question 52 of 76

52. Question
1 points
Which term describes a field in the IPv4 packet header used to detect corruption in the IPv4 header?
- header checksum
- source IPv4 address
- protocol
- TTL
Correct

Incorrect

Question 53 of 76

53. Question

1 points

Refer to the exhibit. A network administrator is connecting a new host to the Payroll LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

RTR1(config)# interface gi0/1
RTR1(config-if)# description Connects to the Marketing LAN
RTR1(config-if)# ip address 10.27.15.17 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# interface gi0/0
RTR1(config-if)# description Connects to the Payroll LAN
RTR1(config-if)# ip address 10.27.14.148 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# interface s0/0/0
RTR1(config-if)# description Connects to the ISP
RTR1(config-if)# ip address 10.14.15.254 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# interface s0/0/1
RTR1(config-if)# description Connects to the Head Office WAN
RTR1(config-if)# ip address 203.0.113.39 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# end

10.27.14.148
10.27.14.1
10.14.15.254
203.0.113.39
10.27.15.17

Correct

Incorrect

Question 54 of 76

54. Question
1 points
Which term describes a field in the IPv4 packet header that contains a unicast, multicast, or broadcast address?
- destination IPv4 address
- protocol
- TTL
- header checksum
Correct

Incorrect
Question 55 of 76

55. Question
1 points
Which term describes a field in the IPv4 packet header used to limit the lifetime of a packet?
- TTL
- source IPv4 address
- protocol
- header checksum
Correct

Incorrect
Question 56 of 76

56. Question
1 points
Which term describes a field in the IPv4 packet header that contains a 4-bit binary value set to 0100?
- version
- source IPv4 address
- protocol
- TTL
Correct

Incorrect
Question 57 of 76

57. Question
1 points
Which term describes a field in the IPv4 packet header used to identify the next level protocol?
- protocol
- version
- differentiated services
- header checksum
Correct

Incorrect
Question 58 of 76

58. Question
1 points
Which term describes a field in the IPv4 packet header that contains a 4-bit binary value set to 0100?
- version
- differentiated services
- header checksum
- TTL
Correct

Incorrect
Question 59 of 76

59. Question
1 points
What property of ARP causes cached IP-to-MAC mappings to remain in memory longer?
- Entries in an ARP table are time-stamped and are purged after the timeout expires.
- A static IP-to-MAC address entry can be entered manually into an ARP table.
- The type field 0x806 appears in the header of the Ethernet frame.
- The port-to-MAC address table on a switch has the same entries as the ARP table on the switch.
Correct

Incorrect
Question 60 of 76

60. Question
1 points
What property of ARP allows MAC addresses of frequently used servers to be fixed in the ARP table?
- A static IP-to-MAC address entry can be entered manually into an ARP table.
- Entries in an ARP table are time-stamped and are purged after the timeout expires.
- The type field 0x806 appears in the header of the Ethernet frame.
- The port-to-MAC address table on a switch has the same entries as the ARP table on the switch.
Correct

Incorrect
Question 61 of 76

61. Question
1 points
What property of ARP allows MAC addresses of frequently used servers to be fixed in the ARP table?
- A static IP-to-MAC address entry can be entered manually into an ARP table.
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- The source MAC address appears in the header of the Ethernet frame.
- The port-to-MAC address table on a switch has the same entries as the ARP table on the switch.
Correct

Incorrect
Question 62 of 76

62. Question
1 points
What property of ARP allows hosts on a LAN to send traffic to remote networks?
- Local hosts learn the MAC address of the default gateway.
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- The source MAC address appears in the header of the Ethernet frame.
- The port-to-MAC address table on a switch has the same entries as the ARP table on the switch.
Correct

Incorrect

Question 63 of 76

63. Question

1 points

Refer to the exhibit. A network administrator is connecting a new host to the Registrar LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Floor(config)# interface gi0/1
Floor(config-if)# description Connects to the Registrar LAN
Floor(config-if)# ip address 192.168.235.234 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface gi0/0
Floor(config-if)# description Connects to the Manager LAN
Floor(config-if)# ip address 192.168.234.114 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/0
Floor(config-if)# description Connects to the ISP
Floor(config-if)# ip address 10.234.235.254 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/1
Floor(config-if)# description Connects to the Head Office WAN
Floor(config-if)# ip address 203.0.113.3 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# end

192.168.235.234
192.168.235.1
10.234.235.254
203.0.113.3
192.168.234.114

Correct

Incorrect

Question 64 of 76

64. Question
1 points
What property of ARP forces all Ethernet NICs to process an ARP request?
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- The source MAC address appears in the header of the Ethernet frame.
- The type field 0x806 appears in the header of the Ethernet frame.
- ARP replies are broadcast on the network when a host receives an ARP request.
Correct

Incorrect
Question 65 of 76

65. Question
1 points
What property of ARP causes a reply only to the source sending an ARP request?
- The source MAC address appears in the header of the Ethernet frame.
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- The type field 0x806 appears in the header of the Ethernet frame.
- ARP replies are broadcast on the network when a host receives an ARP request.
Correct

Incorrect
Question 66 of 76

66. Question
1 points
What property of ARP causes the request to be flooded out all ports of a switch except for the port receiving the ARP request?
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- The type field 0x806 appears in the header of the Ethernet frame.
- Entries in an ARP table are time-stamped and are purged after the timeout expires.
- ARP replies are broadcast on the network when a host receives an ARP request.
Correct

Incorrect
Question 67 of 76

67. Question
1 points
What property of ARP causes the NICs receiving an ARP request to pass the data portion of the Ethernet frame to the ARP process?
- The type field 0x806 appears in the header of the Ethernet frame.
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- Entries in an ARP table are time-stamped and are purged after the timeout expires.
- ARP replies are broadcast on the network when a host receives an ARP request.
Correct

Incorrect
Question 68 of 76

68. Question
1 points
What property of ARP causes the NICs receiving an ARP request to pass the data portion of the Ethernet frame to the ARP process?
- The type field 0x806 appears in the header of the Ethernet frame.
- The destination MAC address FF-FF-FF-FF-FF-FF appears in the header of the Ethernet frame.
- Entries in an ARP table are time-stamped and are purged after the timeout expires.
- The port-to-MAC address table on a switch has the same entries as the ARP table on the switch.
Correct

Incorrect

Question 69 of 76

69. Question

1 points

Refer to the exhibit. A network administrator is connecting a new host to the Service LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Main(config)# interface gi0/1
Main(config-if)# description Connects to the Service LAN
Main(config-if)# ip address 172.29.157.156 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface gi0/0
Main(config-if)# description Connects to the Engineering LAN
Main(config-if)# ip address 172.29.156.36 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface s0/0/0
Main(config-if)# description Connects to the ISP
Main(config-if)# ip address 10.156.157.254 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface s0/0/1
Main(config-if)# description Connects to the Head Office WAN
Main(config-if)# ip address 198.51.100.177 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# end

172.29.157.156
172.29.157.1
10.156.157.254
198.51.100.177
172.29.156.36

Correct

Incorrect

Question 70 of 76

70. Question

1 points

Refer to the exhibit. A network administrator is connecting a new host to the Medical LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

BldgA(config)# interface gi0/1
BldgA(config-if)# description Connects to the Medical LAN
BldgA(config-if)# ip address 192.168.191.189 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface gi0/0
BldgA(config-if)# description Connects to the Client LAN
BldgA(config-if)# ip address 192.168.190.70 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/0
BldgA(config-if)# description Connects to the ISP
BldgA(config-if)# ip address 10.190.191.254 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/1
BldgA(config-if)# description Connects to the Head Office WAN
BldgA(config-if)# ip address 198.51.100.213 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# end

192.168.191.189
192.168.191.1
10.190.191.254
198.51.100.213
192.168.190.70

Correct

Incorrect

Question 71 of 76

71. Question

1 points

Floor(config)# interface gi0/1
Floor(config-if)# description Connects to the Registrar LAN
Floor(config-if)# ip address 192.168.225.223 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface gi0/0
Floor(config-if)# description Connects to the Manager LAN
Floor(config-if)# ip address 192.168.224.103 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/0
Floor(config-if)# description Connects to the ISP
Floor(config-if)# ip address 10.224.225.254 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/1
Floor(config-if)# description Connects to the Head Office WAN
Floor(config-if)# ip address 203.0.113.246 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# end

192.168.225.223
192.168.225.1
10.224.225.254
203.0.113.246
192.168.224.103

Correct

Incorrect

Question 72 of 76

72. Question

1 points

Refer to the exhibit. A network administrator is connecting a new host to the Manager LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Floor(config)# interface gi0/1
Floor(config-if)# description Connects to the Registrar LAN
Floor(config-if)# ip address 10.118.63.65 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface gi0/0
Floor(config-if)# description Connects to the Manager LAN
Floor(config-if)# ip address 10.118.62.196 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/0
Floor(config-if)# description Connects to the ISP
Floor(config-if)# ip address 10.62.63.254 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/1
Floor(config-if)# description Connects to the Head Office WAN
Floor(config-if)# ip address 209.165.200.87 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# end

10.118.62.196
10.118.62.1
10.62.63.254
209.165.200.87
10.118.63.65

Correct

Incorrect

Question 73 of 76

73. Question

1 points

Refer to the exhibit. A network administrator is connecting a new host to the Store LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

HQ(config)# interface gi0/1
HQ(config-if)# description Connects to the Branch LAN
HQ(config-if)# ip address 172.19.99.99 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface gi0/0
HQ(config-if)# description Connects to the Store LAN
HQ(config-if)# ip address 172.19.98.230 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface s0/0/0
HQ(config-if)# description Connects to the ISP
HQ(config-if)# ip address 10.98.99.254 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface s0/0/1
HQ(config-if)# description Connects to the Head Office WAN
HQ(config-if)# ip address 209.165.200.120 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# end

172.19.98.230
172.19.98.1
10.98.99.254
209.165.200.120
172.19.99.99

Correct

Incorrect

Question 74 of 76

74. Question

1 points

HQ(config)# interface gi0/1
HQ(config-if)# description Connects to the Branch LAN
HQ(config-if)# ip address 172.20.133.132 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface gi0/0
HQ(config-if)# description Connects to the Store LAN
HQ(config-if)# ip address 172.20.132.13 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface s0/0/0
HQ(config-if)# description Connects to the ISP
HQ(config-if)# ip address 10.132.133.254 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface s0/0/1
HQ(config-if)# description Connects to the Head Office WAN
HQ(config-if)# ip address 198.51.100.156 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# end

172.20.132.13
172.20.132.1
10.132.133.254
198.51.100.156
172.20.133.132

Correct

Incorrect

Question 75 of 76

75. Question

1 points

Main(config)# interface gi0/1
Main(config-if)# description Connects to the Service LAN
Main(config-if)# ip address 192.168.167.166 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface gi0/0
Main(config-if)# description Connects to the Engineering LAN
Main(config-if)# ip address 192.168.166.46 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface s0/0/0
Main(config-if)# description Connects to the ISP
Main(config-if)# ip address 10.166.167.254 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface s0/0/1
Main(config-if)# description Connects to the Head Office WAN
Main(config-if)# ip address 198.51.100.189 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# end

192.168.167.166
192.168.167.1
10.166.167.254
198.51.100.189
192.168.166.46

Correct

Incorrect

Question 76 of 76

76. Question

1 points

BldgA(config)# interface gi0/1
BldgA(config-if)# description Connects to the Medical LAN
BldgA(config-if)# ip address 192.168.201.200 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface gi0/0
BldgA(config-if)# description Connects to the Client LAN
BldgA(config-if)# ip address 192.168.200.80 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/0
BldgA(config-if)# description Connects to the ISP
BldgA(config-if)# ip address 10.200.201.254 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/1
BldgA(config-if)# description Connects to the Head Office WAN
BldgA(config-if)# ip address 203.0.113.222 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# end

192.168.201.200
192.168.201.1
10.200.201.254
203.0.113.222
192.168.200.80

Correct

Incorrect

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CCNA 1 v7 Modules 4 – 7: Ethernet Concepts – Test online

CCNA 1 v7 Modules 11 – 13: IP Addressing – Test Online

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donald reagan

2 years ago

Q-34
Q-41

Multiple choice, needs some fix.

thanks admin

John

Link no found.

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Anonymous

In the question 41, incorrect remembers user selected items.

Korneliussen

link no work

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emil

very well done

hehe

awesome

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