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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. Which descriptions are correct about the IPv6 stateless auto-configuration of addresses through NDP? (Multiple choice)

A) In the RA message transmitted during the stateless address configuration process, the M-bit is set to 0
B) In the process of stateless address configuration, two DAD detections are used to detect whether the link-local address conflicts
C) In the process of stateless address configuration, except that DAD detection requires the exchange of NS and NA messages, other processes only need the participation of RA and RS messages
D) The premise that a device can configure an address statelessly is that both interacting devices have generated a link-local address.

2. Which of the following descriptions of message authentication methods in IS-IS are correct?
(Multiple choice)

A) MD5 authentication can perform the MD5 algorithm on the configured password and then add it to the message, which improves the security of the password.
B) Plain text authentication adds the password directly to the message, which has very low security.
C) IS-IS carries authentication information in the form of TLV, and the type of authentication TLV is 2
D) Keychain authenticates the password list that changes over time to further improve network security

3. Which of the following does not belong to IGP?

A) BGP
B) OSPF
C) IS-IS
D) RIP

4. For link state routing protocols, such as OSPF and IS-IS, using filter-policy to filter routes in the inbound direction can block the transmission of link state information, so that the filtered routes cannot be added to the local routing table.

A) TRUE
B) FALSE

5. When the payload is an ICMPv6 message, if the extension header is not considered, what is the value of the Next Header field in the IPv6 header?

A) 68
B) 78
C) 58
D) 55

Solutions: