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Free JK0-023 Exam Braindumps (page: 8)

Page 8 of 240
PDF with 1112 Questions

Which of the following operates at OSI layer 2 to forward traffic based on the MAC address?

  1. Switch
  2. Proxy Server
  3. Router
  4. VPN Concentrator

Answer(s): A



Which of the following DNS record types will be used for mail transfer if the MX record is not found?

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

Answer(s): B



A user is unable to open up websites on the Internet from a browser. The administrator determines that the workstation can ping its local gateway, but not the remote web server. At which of the following layers of the OSI model does the problem MOST likely exist?

  1. Data link
  2. Network
  3. Session
  4. Physical

Answer(s): B



At which of the following layers do frames exist? (Select TWO).

  1. OSI model Data link layer
  2. TCP/IP model Network Interface layer
  3. OSI model Physical layer
  4. OSI model Network layer
  5. TCP/IP model Internet layer

Answer(s): A,B






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