Enterprise Networking: WAN Concepts Exam 1
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Questions and Answers

Which statement accurately describes an advantage of deploying NAT for IPv4 in a network?

  • It eliminates the need for routing protocols in the internal network.
  • It reduces the need for globally unique IP addresses. (correct)
  • It enhances end-to-end security by obscuring internal IP addresses.
  • It increases the available address space for internal hosts.

    • Which command would a network administrator use to examine the active NAT translations on a border router?

  • show ip nat pools
  • show ip nat translations (correct)
  • show ip nat configuration
  • show ip nat statistics

    • What is a disadvantage of NAT?

  • It reduces the available address space for internal hosts.
  • It introduces additional complexity in the network configuration and management. (correct)
  • It increases the need for globally unique IP addresses.
  • It complicates end-to-end security due to the obscuring of internal IP addresses.

    • Refer to the exhibit. From the perspective of R1, the NAT router, which address is the inside global address?

    <p>172.16.1.1</p> Signup and view all the answers

    Refer to the exhibit. Given the commands as shown, how many hosts on the internal LAN off R1 can have simultaneous NAT translations on R1?

    <p>Unlimited</p> Signup and view all the answers

    What is the purpose of the overload keyword in the command ip nat inside source list 1 pool NAT_POOL overload?

    <p>It enables Port Address Translation (PAT) to allow multiple internal hosts to share a single public IP address</p> Signup and view all the answers

    Refer to the exhibit. Based on the configuration and the output shown, what can be determined about the NAT status within the organization?

    <p>PAT (Port Address Translation) is configured, and multiple internal hosts share a single public IP address</p> Signup and view all the answers

    Which situation describes data transmissions over a WAN connection?

    <p>Data is transmitted over multiple physical links and intermediate devices across a large geographic area</p> Signup and view all the answers

    What is the function of the Diffie-Hellman algorithm within the IPsec framework?

    <p>It establishes a shared secret key between two parties over an insecure channel</p> Signup and view all the answers

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