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Free JK0-023 Exam Braindumps

Which of the following network protocols is used to resolve FQDNs to IP addresses?

  1. DNS
  2. FTP
  3. DHCP
  4. APIPA

Answer(s): A



Jeff, a network technician, is concerned about the environmental effects of power consumption and heat from network resources. Limited space is also a concern. Which of the following technologies should be implemented?

  1. Circuit switching
  2. Network address translation
  3. Power over Ethernet
  4. Virtual servers

Answer(s): D



A firewall that operates at Layer 7 of the OSI model is known as a(n):

  1. Circuit gateway.
  2. Packet filter.
  3. Application level.
  4. Redundant firewall.

Answer(s): C



When a packet that is entering a switch port is encapsulated, which of the following is the switch performing?

  1. 802.1q
  2. Collision avoidance
  3. Port mirroring
  4. STP

Answer(s): A






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