Question 56
What is the command to adjust the link cost value of an IS-IS interface?
- isis cost
- isis timer hello
- isis circuit-level
- isis circuit-type
Question 57
What is the purpose of configuring LSP fragmentation for IS-IS equipment?
- Make the device unable to establish IS-IS neighbors
- Allow the device to support more IS-IS routing entries
- Make the device unable to learn IS-IS routing information
- No practical purpose
Question 58
Which of the following statements about IS-IS (IPv6) is correct? (Choose three.)
- To support the processing and calculation of IPv6 routing, IS-IS added NLPID to 129 TLV
- IS-IS working at the data link layer only needs to add a new TLV to support Pv6
- To support the processing and calculation of IPv6 routes, IS-IS has added TLV232236
- By default, IS-IS enables the multi-topology feature
Question 59
Regarding the cause of the dual-master failure of the VRRP backup group, which of the following is the most unlikely?
- The link that transmits the VRRP notification message is faulty
- The low-priority VRRP backup group discards the received VRRP notification packets as illegal packets
- The VRRP backup group IDs on both ends are different
- Master device sends 1 notification message per second
Question 60
Which of the following is not part of the preliminary preparations for the cutover plan?
- On-site defense
- Cutover target
- Introduction to the current network
- Risk assessment