QUESTION: 57

Which of the following DNS resource records are legitimate?

FQDN
NS
PTR
MX
A

Answer(s): B,C,D,E

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QUESTION: 58

The address resolution feature for NDP in the following description is incorrect?

When sending a neighbor request packet, the source address--is set as the link-local address
of the local interface Two types of ICMPv6 messages,
are used in the address resolution process, neighbor request and neighbor advertisement Address resolution implements the ability to resolve from IPv6 addresses to link-layer addresses
When sending a neighbor request packet, the destination address must be the multicast address of the neighbor's requested node

Answer(s): A

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QUESTION: 59

Regarding the Stub region and the Totally Stub region of the OSPF protocol, the following statement is correct (multiple choice)

After modifying the original Stub area to a Totally Stub area, the number of LSAs in the LSDB of each router in the region will definitely be reduced
ASBR cannot be present in either the Stub zone or the Totally Stub zone
When you modify the original Stub area to a Totally Stub region, the number of LSAs propagating within the region will definitely decrease
If there are two ABR in the Totally Stub zone, each ABR sends an LS ID of 0000 to the router in the zone LSA

Answer(s): B,D

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LDP and IGP linkage refers to the release of IGP and TD routes to ensure that LDP and IGP linkage complete network efficiency, so that KGP and LDP maintains a consistent path, minimizing traffic loss, thereby improving the reliability of the entire network.

True
False

Answer(s): A

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QUESTION: 57

QUESTION: 58

QUESTION: 59

QUESTION: 60

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