Online Access Free H31-211 Exam Questions

Regarding VRRP, is the following statement correct?

• A.Backup sends VRRP packets periodically. If the master receives the packets from the backup, the master compares the priorities and determines whether the status is set to Master or Backup.
• B.The master sends VRRP packets periodically. If the backup does not receive packets for a long time, the status is changed to Master.
• C.In the backup fault-tolerant protocol, there is also an HSRP protocol. This protocol is identical except that the packet structure is different from VRRP.
• D.If there are multiple backups, the election priority will be the new master according to the VRRP packets sent.

Which of the following is valid host IP address?

• A.122.245.264.13/26
• B.192.168.2.15/28
• C.10.0.2.128/26
• D.224.0.4.5
• E.12.3.4.6/24

TCP is a reliable connection-oriented protocol for connection. Which of the following mechanisms is used to guarantee the reliability of transmission? (multiple choice)

• A.Source quench messages (source quench messages)
• B.Retransmit mechanism
• C.Acknowledgement mechanism
• D.Buffering

What is the correct statement about the alternate route? (multiple choice)

• A.Do not join the global routing table
• B.After the primary route fails, it will be promoted to the primary route and added to the global routing table.
• C.Direct data forwarding with the primary route
• D.Does not guide the forwarding of data

Which of the following can be roughly divided into backbone networks? (multiple choice)

• A.Mesh full connection structure
• B.Double-homing structure
• C.Plane + space hierarchy
• D.Planar hierarchical structure