Free JK0-023 Exam Braindumps (page: 23)

Page 23 of 240

A technician is developing a shortcut sheet for the network to be able to assist in future troubleshooting scenarios. Which of the following should the network devices have to ease manageability efforts?

  1. MAC spoofing
  2. Dynamic IPs
  3. MAC filtering
  4. Static IPs

Answer(s): D



Which of the following protocols does DNS utilize on port 53?

  1. TCP
  2. FTP
  3. RTP
  4. ICMP

Answer(s): A



Which of the following network devices builds a table of ports to MAC addresses to forward packets only to necessary ports?

  1. Switch
  2. Hub
  3. Router
  4. Repeater

Answer(s): A



Which of the following OSI layers performs error detection using a Frame Check Sequence?

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

Answer(s): D






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