CCNA Cyber Ops (Version 1.1) – Chapter 5 Exam Answers Full

CCNA Cyber Ops (Version 1.1) – Chapter 5 Exam Answers Full
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1. What specialized network device is responsible for enforcing access control policies between networks?

  • Bridge
  • Switch
  • Firewall *
  • IDS

C. Firewalls are used to permit or block traffic between networks according to access control policies.

2. What information does an Ethernet switch examine and use to build its address table?

  • Source IP address
  • Destination IP address
  • Source MAC address *
  • Destination MAC address

C. An Ethernet switch examines the source MAC address of an incoming frame. If the source MAC address is not in the MAC address table, the switch will add it to the table with the associated ingress Ethernet port.

3. Which device is an intermediary device?

  • Smart device
  • PC
  • Server
  • Firewall *

D. An intermediary device sends network messages toward a final destination. Examples of intermediary devices include a firewall, router, switch, multilayer switch, and wireless router.

4. Which statement describes a difference between RADIUS and TACACS+?

  • RADIUS uses TCP, whereas TACACS+ uses UDP.
  • RADIUS is supported by the Cisco Secure ACS software, whereas TACACS+ is not.
  • RADIUS encrypts only the password, whereas TACACS+ encrypts all communication. *
  • RADIUS separates authentication and authorization, whereas TACACS+ combines them as one process.

C. TACACS+ uses TCP, encrypts the entire packet (not just the password), and separates authentication and authorization into two distinct processes. Both protocols are supported by the Cisco Secure ACS software.

5. Which wireless parameter refers to the frequency bands used to transmit data to a wireless access point?

  • SSID
  • Security mode
  • Scanning mode
  • Channel settings *

D. An access point can be manually set to a specific frequency band or channel in order to avoid interference with other wireless devices in the area.

6. What specialized network device uses signatures to detect patterns in network traffic?

  • Bridges
  • Switches
  • IDS *
  • Firewalls

C. Intrusion detection systems (IDSs) use a set of rules, referred to as signatures, to identify malicious traffic on the network.

7. What type of physical topology can be created by connecting all Ethernet cables to a central device?

  • Star *
  • Bus
  • Ring
  • Mesh

A. Devices connected to the Ethernet star topology connect to either a hub or a switch.

8. Which network service synchronizes the time across all devices on the network?

  • NetFlow
  • Syslog
  • NTP *
  • SNMP

C. There are two methods that can be used to set date and time settings on network devices. Manual configuration and automatically using the Network Time Protocol (NTP). NTP keeps the time across all devices synchronized by using a hierarchical system of sources.

9. Which network service allows administrators to monitor and manage network devices?

  • NTP
  • SNMP *
  • Syslog
  • NetFlow

B. SNMP is an application layer protocol that allows administrators to manage and monitor devices on the network such as routers, switches, and servers.

10. What are two types of addresses found on network end devices? (Choose two.)

  • UDP
  • return
  • IP
  • TCP
  • MAC

11. Which OSI layer header is rewritten with new addressing information by a router when forwarding between LAN segments?

  • Layer 2
  • Layer 3
  • Layer 4
  • Layer 7

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

  • MD5
  • AES
  • ESP
  • IPsec

13. What are two uses of an access control list? (Choose two.)

  • ACLs can control which areas a host can access on a network.
  • ACLs provide a basic level of security for network access.
  • Standard ACLs can restrict access to specific applications and ports.
  • ACLs can permit or deny traffic based upon the MAC address originating on the router.
  • ACLs assist the router in determining the best path to a destination.

14. Which protocol or service is used to automatically synchronize the software clocks on Cisco routers?

  • SNMP
  • NTP
  • DHCP
  • DNS

15. What is the only attribute used by standard access control lists to identify traffic?

  • source MAC address
  • protocol type
  • source IP address
  • source TCP port

16. Which wireless parameter is used by an access point to broadcast frames that include the SSID?

  • passive mode
  • security mode
  • channel setting
  • active mode

17. A Cisco router is running IOS 15. What are the two routing table entry types that will be added when a network administrator brings an interface up and assigns an IP address to the interface? (Choose two.)

  • route that is learned via OSPF
  • route that is learned via EIGRP
  • route that is manually entered by a network administrator
  • directly connected interface
  • local route interface

18. Refer to the exhibit. The network “A” contains multiple corporate servers that are accessed by hosts from the Internet for information about the corporation. What term is used to describe the network marked as “A”?

  • perimeter security boundary
  • internal network
  • DMZ
  • untrusted network

19. What is the role of an IPS?

  • to detect patterns of malicious traffic by the use of signature files
  • to filter traffic based on defined rules and connection context
  • to filter traffic based on Layer 7 information
  • to enforce access control policies based on packet content

20. Which two features are included by both TACACS+ and RADIUS protocols? (Choose two.)

  • SIP support
  • password encryption
  • 802.1X support
  • separate authentication and authorization processes
  • utilization of transport layer protocols

21. What does the TACACS+ protocol provide in a AAA deployment?

  • AAA connectivity via UDP
  • compatibility with previous TACACS protocols
  • authorization on a per-user or per-group basis
  • password encryption without encrypting the packet

22. Which parameter is commonly used to identify a wireless network name when a home wireless AP is being configured?

  • ESS
  • SSID
  • ad hoc
  • BESS

23. What information within a data packet does a router use to make forwarding decisions?

  • the destination service requested
  • the destination IP address
  • the destination host name
  • the destination MAC address

24. Which protocol creates a virtual point-to-point connection to tunnel unencrypted traffic between Cisco routers from a variety of protocols?

  • GRE
  • IPsec
  • OSPF
  • IKE

25. Which two statements are true about NTP servers in an enterprise network? (Choose two.)

  • NTP servers at stratum 1 are directly connected to an authoritative time source.
  • NTP servers ensure an accurate time stamp on logging and debugging information.
  • There can only be one NTP server on an enterprise network.
  • All NTP servers synchronize directly to a stratum 1 time source.
  • NTP servers control the mean time between failures (MTBF) for key network devices.

26. What is true concerning physical and logical topologies?

  • Physical topologies display the IP addressing scheme of each network.
  • Logical topologies refer to how a network transfers data between devices.
  • The logical topology is always the same as the physical topology.
  • Physical topologies are concerned with how a network transfers frames.

27. Which layer of the hierarchical design model is a control boundary between the other layers?

  • access
  • network
  • distribution
  • core

28. Which protocol or service allows network administrators to receive system messages that are provided by network devices?

  • NTP
  • NetFlow
  • SNMP
  • syslog

29. What is a function of a proxy firewall?

  • uses signatures to detect patterns in network traffic
  • connects to remote servers on behalf of clients
  • drops or forwards traffic based on packet header information
  • filters IP traffic between bridged interfaces

30. What is the function of the distribution layer of the three-layer network design model?

  • aggregating access layer connections
  • providing high speed connection to the network edge
  • providing secure access to the Internet
  • providing direct access to the network

31.Which LAN topology requires a central intermediate device to connect end devices?

  • star
  • ring
  • bus
  • mesh

32. Which device can control and manage a large number of corporate APs?

  • switch
  • WLC
  • router
  • LWAP

33. For which discovery mode will an AP generate the most traffic on a WLAN?

  • active mode
  • mixed mode
  • passive mode
  • open mode

34. What is a feature of the TACACS+ protocol?

  • It utilizes UDP to provide more efficient packet transfer.
  • It hides passwords during transmission using PAP and sends the rest of the packet in plaintext.
  • It encrypts the entire body of the packet for more secure communications.
  • It combines authentication and authorization as one process.

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