1. Which of the following is the correct description of the route priority for ISIS?

2. You are doing a job to compress the length of an IPv6 address as much as possible. The existing IPv6 address is 2013: X000:130F:0000:0000:09C0:876A:130B. In order to make the IPV6 address more concise, the IPv6 address can be compressed into which of the following one?

3. There is an existing router HW1 running OSPF. The interface Sera0 of HW1 is released in area 0, and the interface Sera1 is released in area 1. Run the "nssa default-route-advertise" command in the OSPF process.
Based on the previous description, which of the following options are inferred to be correct? (Multiple choice)

4. Which of the following is correct about the ISIS GR description?

5. When a router constructs its own routing table based on routing entries learned by different routing protocols, which routing entries are added to the routing table?

6. In addition to stateless address autoconfiguration, IPv6 devices can also obtain information such as address, gateway and DNS through DHCPv6.

7. Which of the following is the correct description of the Register message in PMSM? (Multiple choice)

8. In multicast network, what happens to multicast traffic that cannot be forwarded normally? (Multiple choice)

9. Which of the following is true about Smart-link? (Multiple Choice)

10. Command ip ip-prefix ip-prefix-name [index index-number] { permit | deny} ipv4-address mask-length [greater-equal greater-equal-value ] less-equal less-equal-value]Hf-IP- Prefix-filter.
If the less-equal of a prefix list has been specified, but the greater-equal is not specified, what is the range of the prefix?

11. Use the ip as-path-filter as-path-filter-number {deny | permit} regular-expression command to configure the as-path filter.
In this command, multiple clauses can form an as-path-filter statement.
So what is the relationship between multiple statements?

12. Which of the following is the access control method provided by NAC? (Multiple Choice)

13. Use WRED to avoid congestion. Which of the following scenarios is better for deploying WRED?

14. When there are multiple matching rules in the ACL of the VRP, which of the following statements is correct about the matching order?

15. What benefits can be achieved after using WRED? (Multiple Choice)

16. The order for the protocols using TCP ports 443, 179, 137, 110, and 23 is:

17. In Huawei device, when ISIS imports external routes and sets external route tags for routing information, the ISIS metric type does not need to be modified to keep the default.

18. Which of the following is correct about the ISIS LSP fragmentation extension?

19. User wants to enable the router for packets forwarding and routing according to the policy defined by itself based on the traditional route forwarding.
To achieve this goal, policy routing can be employed.
Which of the following about the description of policy routing is wrong?

20. Which of the following is the correct description of OSPF adjacency and link state database synchronization?