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Huawei H12-891 Practice Test - Questions Answers, Page 4

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List of questions

Question 31

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Regarding route introduction, what is the following description of the error?

Question 32

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The following description of the RD attribute filter for BGP is correct?

Question 33

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The following description of the Lsp shard extension for ISIS is correct?

Question 34

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?? Route ? Policy ??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit ^I00$ route-policy test permit node 10 if-match communityfilter 1 if-match as-path-filter 2 apply as-path 200 Is th

Question 35

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When DLDP detects the presence of a one-way link in the fiber, the default actions of Huawei equipment include: the DLDP state machine migrates to the Disable state, outputs Trap information, and au

Question 36

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What are the main reasons why RSTP converges faster than STP?

Question 37

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The following description of the characteristics of cross-domain VN-Optionc is correct?

Question 38

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What is the following description of MPLS incorrect?

Question 39

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What of the following actions can enable fast failure detection on multicast networks?

Question 40

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If the PIM-SM protocol is running in a multicast network , you need to configure RP, and the configuration equation of RP is divided into dynamic RP and static RP. The following configuration descri

Question 31

Regarding route introduction, what is the following description of the error?

BGP supports both import and network when generating routes, and the network mode is more precise.

By default, OSPF introduces an external route with a default metric of 1, and the level-2 network of the ingested external route type type, Type2

ISIS, routes to Level After the 1 makes a route ingestion, if you do not manually configure the ingestion policy, a bad route will be formed.

Introducing IBGP routing in OSPF may cause routing loops

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Question 32

The following description of the RD attribute filter for BGP is correct?

If RD-filter is not configured, but the RD-filter is referenced for filtering, the matching result is deny.

If RD-filter is configured, but the routed RD is not matched with any of the RDs defined in the rule, the default match result is permit.

Multiple rules are matched in the order in which they are configured.

There is always an "or" relationship between the rules configured by RD-filter.

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Question 33

The following description of the Lsp shard extension for ISIS is correct?

Enables is routers to generate more LSP shards to carry more ISIS information.

Isis' shard extension is equally valid for Hello packets.

Shard scaling for ISIS is achieved by adding virtual systems, up to 1000 virtual systems.

The isis router can produce a maximum of 1024 shards.

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?? Route ? Policy ??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit ^I00$ route-policy test permit node 10 if-match communityfilter 1 if-match as-path-filter 2 apply as-path 200 Is the above configuration description correct?

The BGP route matches the above only if the BGP route carries a community attribute value of 100:1 or if the AS PATH is 100 route one policy. The AS-one PATH attribute that matches the route is changed to 200

The BGP route matches the above only if the BGP route carries a community attribute value of 100:1 and the AS-One PATH is 100 route policy? The AS-PATH nature of the matching route is changed to 200

Only if the BGP route carries an AS-PATH of 100, the BGP route matches the route one policy above. The AS-one PATH attribute that matches the route is changed to 200

As long as the BGP route carries a community attribute value of 100:1, the BGP route matches the route-policy above The AS-PATH attribute of the matching route is changed to 200

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Question 35

When DLDP detects the presence of a one-way link in the fiber, the default actions of Huawei equipment include: the DLDP state machine migrates to the Disable state, outputs Trap information, and automatically sets the interface to a blocked state.

True

False

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Question 36

What are the main reasons why RSTP converges faster than STP?

RSTP increases the variety of port states

RSTP has a smaller overhead

RSTP does not converge based on timer

RSTP has a smaller timer

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Question 37

The following description of the characteristics of cross-domain VN-Optionc is correct?

A maximum of two layers of tags need to be used in the message forwarding process.

VPMV4 routes are not saved on the ASBR, and VPNv routes are not advertised to each other.

VPN routes are exchanged directly between the ingress PE and egress PE and do not require an intermediate device to secure a circular VPN route.

Cross-domain VN-Optionc, which is not suitable for use when spanning multiple AS.

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Question 38

What is the following description of MPLS incorrect?

The length of the MPLS tag is 20 to 20 for packet forwarding.

The tag space range of dynamic signaling protocols such as LDP, M P-BGP is 16 to 1023

When using the TTL processing method of Pipe mode, the IP packet transmits the TTL of the IP packet over the IPLS network. The value is only minus 1 for the MPLS in and out nodes.

MPLS supports multi-layer label nesting, and the S bit value of the innermost label is 1.

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