Free CompTIA JK0-023 Exam Braindumps (page: 37)

At which of the following layers of the OSI model does an unmanaged switch operate?

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

Answer(s): B



Which of the following is the usual number of bits for the host identifier part of an IPv6 address?

  1. 16
  2. 32
  3. 48
  4. 64

Answer(s): D



Which of the following protocols resolves IP addresses to MAC addresses?

  1. DNS
  2. ARP
  3. RARP
  4. NTP

Answer(s): B



Which of the following protocols is Kim, a user, utilizing if no handshake or data reliability are required?

  1. TCP
  2. FTP
  3. TFTP
  4. UDP

Answer(s): D






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