8.3.6 Check Your Understanding – DHCPv6 Answers

1. What destination UDP port do DHCPv6 clients use to send DHCPv6 messages?

  • 67
  • 68
  • 547
  • 546

Explanation: DHCPv6 clients use UDP port 547 to send DHCPv6 messages. DHCPv6 servers use UDP port 546.

2. What DHCPv6 message does a host send to look for a DHCPv6 server?

  • ADVERTISE
  • SOLICIT
  • INFORMATION-REQUEST
  • REQUEST

Explanation: A DHCPv6 client sends a DHCPv6 SOLICIT message to the reserved IPv6 multicast all-DHCPv6-servers address of ff02::1:2.

3. What DHCPv6 message does a host send to the DHCPv6 server if it is using stateful DHCPv6?

  • ADVERTISE
  • SOLICIT
  • INFORMATION-REQUEST
  • REQUEST

Explanation: A DHCPv6 client will send a DHCPv6 REQUEST message if it is using stateful DHCPv6 and a DHCPv6 INFORMATION-REQUEST message if it is using stateless DHCPv6.

4. What flag settings combination is used for stateless DHCP?

  • A=1, M=0, O=0
  • A=0, M=1, O=0
  • A=1, M=0, O=1
  • A=0, M=1, O=1

Explanation: Stateless DHCPv6 sets the flags to A=1, M=0, O=1.

5. What M flag setting indicates that stateful DHCPv6 is used?

  • M=0
  • M=1

Explanation: Stateful DHCPv6 sets the flags to A=1, M=1.

 

 

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jacob
jacob
4 months ago

1st q answer is 547