Huawei marks4sure hcie-datacom H12-891_v1 0 Book by Arisha q122 vce pdf

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Exam Name:	HCIE-Datacom V1.0
Exam Code:	H12-891_V1.0 Dumps
Vendor:	Huawei	Certification:	HCIE-Datacom
Questions:	322 Q&A's	Shared By:	arisha

Question 16

The TTL field encapsulated in the MPLS label header can prevent infinite loops of MPLS packets. Which of the following statements regarding the TTL field are correct?

Options:

If TTL copy is disabled, users can use the tracert function to view the LSR of the MPLS domain.

The processing of IP TTL copy hides the LSR in an MPLS domain, improving network security.

MPLS provides two processing modes on the TTL field:TTL in the MPLS header copies the IP TTL value when an IP packet enters the MPLS network.The ingress LER sets the TTL value in the MPLS header to 255.

MPLS encapsulation in frame mode supports the TTL field. MPLS encapsulation in cell mode does not support the TTL field.

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Question 17

Huawei Open Programmability System (OPS)usesstandard HTTP methodsto accessmanaged objectsand manage network devices.

Which of the followingHTTP methodsis used toconfigure the value of a network device’s managed object?

Options:

PUT

POST

GET

PATCH

Discussion

Question 18

Free mobility implements policy management and permission control based on users' VLAN IDs and IP addresses.

Options:

TRUE

FALSE

Discussion

Question 19

gRPC (Google Remote Procedure Call)is a language-neutral, platform-neutral, and open-source remote RPC system that supportsunary RPCs and streaming RPCs.

Which of the following service methodsare NOT supportedby gRPC?

Options:

rpc Subscribe(SubsArgs) stream returns(SubsReply) {};

rpc dataPublish(stream serviceArgs) returns(stream serviceArgs) {};

rpc stream LotsOfGreetings(HelloRequest) returns (HelloResponse) {};

rpc Cancel(CancelArgs) returns(CancelReply) {};