Free JK0-023 Exam Braindumps (page: 9)

Page 9 of 240

IP address based routing occurs on which of the following layers of the OSI model?

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

Answer(s): B



In which of the following layers of the OSI model would MAC addressing be found?

  1. Network
  2. Application
  3. Data Link
  4. Transport

Answer(s): C



An administrator notices SMTP traffic is being blocked by the company firewall. Which of the following ports should be opened?

  1. 25
  2. 53
  3. 110
  4. 443

Answer(s): A



Which of the following uses types and codes rather than ports?

  1. EIGRP
  2. ICMP
  3. UDP
  4. IPv6

Answer(s): B






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