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Free JK0-023 Exam Braindumps (page: 3)

Page 2 of 240
PDF with 1112 Questions

Which of the following DNS records would be queried to locate a company's mail server?

  1. A
  2. MX
  3. AAAA
  4. CNAME

Answer(s): B



Lisa, a network technician, is attempting to map a FQDN to an internal server at the address of 10.0.0.15 without NAT/PAT. Which of the following is the reason this will ultimately not work?

  1. This is a private address which cannot be seen by external users.
  2. The address does not have the appropriate subnet mask assigned.
  3. This is a public address which can only be seen by internal users.
  4. This is a private address which can only be seen by external users.

Answer(s): A



A forward lookup zone converts which of the following?

  1. IP addresses to hostnames
  2. Hostnames to IP addresses
  3. MAC addresses to IP addresses
  4. IP Addresses to MAC addresses

Answer(s): B



Multiprotocol Label Switching (MPLS) operates at which of the following layers of the OSI model? (Select TWO).

  1. Layer 1
  2. Layer 2
  3. Layer 3
  4. Layer 4
  5. Layer 5

Answer(s): B,C






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