Download Huawei.H12-261.CertDumps.2021-09-24.300q.tqb
| Vendor: | Huawei |
| Exam Code: | H12-261 |
| Exam Name: | HCIE-R&S (Written) (Huawei Certified Internetwork Expert-Routing & Switching) |
| Date: | Sep 24, 2021 |
| File Size: | 6 MB |
Demo Questions
Question 1
Cross-device link aggregation enables data stream transmission and mutual backup of stack member switches. However, because of the limited bandwidth of stack cables between stack devices, which of the following methods can be used to improve forwarding efficiency?
- Connect stack devices through stack cards
- Enable stack multiple master check function
- Configure stack system MAC address switch
- Enable traffic local priority forwarding
Correct answer: D
Question 2
About the description of CHAP authentication function in the PPP protocol, which of the following are correct? (Multiple Choice)
- If the authenticator does not have a username, the password cannot be configured on the authenticated interface.
- Calculate a hash value using the authentication sequence ID, random number, and key by the MD5 algorithm.
- Three-message interactive authentication is required, and the username is transmitted only on the network without transmitted the password.
- The username must be configured under the authenticated interface of CHAP authentication.
Correct answer: BCD
Question 3
A switch is running the Rapid Spanning Tree Protocol (RSTP). Upon a topology change, what happens to dynamic entries In the L2 forwarding table?
- Only entries behind the port Where TC was received are removed
- All entries are removed except for those behind edge ports and the port Where TC was received.
- All entries are removed (purged).
- All entries are removed except tor entries behind edge ports.
- The aging timer is set to 15 seconds, so idle entries age out.
Correct answer: B
