H31-211: HCNA - Carrier IP
Free Practice Exam Questions (page: 17)
Updated On: 2-Jan-2026

What is the telephone exchange system?

  1. Circuit switching
  2. Message exchange
  3. Packet switching
  4. Handshake

Answer(s): A



Which of the following is the standard set by IEEE802.3z/ab?

  1. Ethernet standard
  2. Fast Ethernet standard
  3. Gigabit Ethernet standard
  4. 10GE Ethernet standard

Answer(s): C



During the PPP negotiation process, if no response packet is received from the peer within the interval of the negotiation timeout, PPP will resend the previously sent packet. Such as Configure- Request.
By default, how many seconds does the PPP negotiation timeout?

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

Answer(s): C



How does Hub work?

  1. Simplex
  2. Half duplex
  3. Full duplex
  4. Auto-negotiation

Answer(s): B



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