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Free 4A0-100 Exam Braindumps (page: 27)

Page 26 of 89
PDF with 352 Questions

Which of the following is a characteristic of Port Address Translation?

  1. Resolves a MAC address given a specific IP address.
  2. Allows a single public IP address to represent multiple private IP addresses simultaneously.
  3. Maps a private address to a well known port number.
  4. Provides a one-to-one mapping from a private to a public address.

Answer(s): B



Which of the following describes an IP filter on the Nokia 7750 SR?

  1. An IP filter is used to examine an IP packet and its contents.
  2. An IP filter is applied to allow or deny IP packets into a network.
  3. Multiple ingress and egress filter policies can be applied to a network interface.
  4. Once an IP filter is applied it cannot be modified.

Answer(s): B



Which of the following command lines would be found in a list of commands designed to permit only certain type of traffic from exiting router RTR-A to router RTR-B?

  1. RTR-A>config>router>if>ingress# filter ip 1
  2. RTR-B>config>router>if>ingress# filter ip 1
  3. RTR-B>config>router>if>egress# filter ip 1
  4. RTR-A>config>router>if>egress# filter ip 1

Answer(s): D



What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?

  1. ICMP echo request, ARP request, ARP reply, ICMP echo reply.
  2. ARP request, ARP reply, ICMP echo request, ICMP echo reply.
  3. ICMP echo request, ICMP echo reply, ARP request, ARP reply.
  4. ICMP echo request, ARP reply, ARP request, ICMP echo reply.

Answer(s): B






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