Free 4A0-100 Exam Braindumps (page: 28)

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Which of the following best describes the function of an ARP cache within the same subnet?

  1. Used by IP to map an unknown IP address to the known hardware address of the distant host.
  2. Adds only an IP address entry for an unknown device on the same subnet.
  3. Transmits ICMP messages to multiple hosts with unknown IP addresses.
  4. Resolves the MAC address of a host device given its IP address.

Answer(s): D



What is the sequence of events for a client to receive an IP address from the server in the DHCP?

  1. Discover, offer, request, acknowledgement.
  2. Request, offer, discover, acknowledgement.
  3. Discover, request, offer, acknowledgement.
  4. Request, acknowledgement, discover, offer.

Answer(s): A



Which of the following statements is TRUE about ICMP?

  1. An IP datagram is encapsulated within an ICMP header.
  2. ICMP messages can only be generated by routers.
  3. ICMP messages are encapsulated within an IP datagram.
  4. ICMP guarantees delivery of a message.

Answer(s): C



What protocol is used by ping to verify IP network reachability?

  1. DCHP
  2. ICMP
  3. ARP
  4. NAT

Answer(s): B






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