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H12-821_V1.0 Valid Exam Voucher | Exam H12-821_V1.0 Study Guide

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) exam is a certification test that validates the skills and knowledge of professionals in data communication and related technologies. H12-821_V1.0 exam covers a wide range of topics, including the OSI model, TCP/IP protocols, routing and switching technologies, network security, and virtualization technologies. Passing H12-821_V1.0 Exam is an essential step for professionals who want to advance their careers in data communication technology.

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q1104-Q1109):

NEW QUESTION # 1104
The main function of MBGP is to help perform RPF verification of cross-domain multicast flows.

A. TRUE
B. FALSE

Answer: A

NEW QUESTION # 1105
In BGP routing rules, which of the following options is used to determine the priority of the Origin attribute?

A. Incomplete > EGP >BGP
B. EGP > Incomplete > IGP
C. IGP > Incomplete >EGP
D. IGP > EGP > Incomplete

Answer: D

NEW QUESTION # 1106
Which of the following statements is false about the default processing of the next hop address when a BGP device advertises a route?

A. When advertising a route to an EBGP peer, a BGP device sets the next hop address to the IP address of its interface connected to the peer.
B. When advertising a non-labeled route received from an EBGP peer to an IBGP peer, a BGP device changes the next hop address to the IP address of its interface connected to the IBGP peer.
C. A BGP device does not change the next hop address of a route if the route is received from an IBGP peer and is to be sent to another IBGP peer.
D. When advertising a locally originated route to an IBGP peer, a BGP device sets the next hop address to the IP address of its interface connected to the peer.

Answer: B

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Default Next Hop Behavior in BGP:
* Locally Originated Routes (A): The next hop is set to the advertising router's interface IP address.
* Routes Received from EBGP (B): The next hop is not changed when these routes are advertised to IBGP peers. (This makes Option B false.)
* Routes Advertised to EBGP (C): The next hop is set to the interface IP address of the advertising router.
* Routes Advertised Between IBGP Peers (D): The next hop is not modified by default.
* Incorrect Statement:
* Option B is incorrect because the next hop of a non-labeled route received from an EBGP peer is not changed when it is advertised to IBGP peers.
References:
* HCIA-Datacom Study Guide, Chapter: BGP Next Hop Behavior
Huawei BGP Routing Principles

NEW QUESTION # 1107
An enterprise network runs OSPF to implement network communication. Which of the following types of LSAs may be generated by an ABR?

A. AS External LSA
B. Network Summary LSA
C. NSSA LSA
D. ASBR Summary LSA

Answer: B,C,D

Explanation:
Comprehensive and Detailed in-depth Step-by-Step Explanation:An Area Border Router (ABR) is an OSPF router that connects multiple areas, including the backbone area (Area 0). It plays a critical role in summarizing and propagating routing information between areas. The types of LSAs that an ABR can generate include:
* Network Summary LSA (Type 3):
* ABRs generate Type 3 LSAs to summarize and propagate routes from one area into another.
* For example, an ABR generates a Type 3 LSA to inform other areas about the networks in the area it is connected to.
* ASBR Summary LSA (Type 4):
* If an ASBR exists in one of the OSPF areas connected to the ABR, the ABR generates Type 4 LSAs.
* These LSAs provide information about how to reach the ASBR.
* NSSA LSA (Type 7):
* If the ABR is connected to a Not-So-Stubby Area (NSSA), it can generate Type 7 LSAs.
* These LSAs are used to describe external routes imported into the NSSA.
* AS External LSA (Type 5):
* These LSAs are not typically generated by an ABR unless the ABR is also functioning as an ASBR. Type 5 LSAs are used to describe external routes imported into OSPF from other autonomous systems.
Therefore, NSSA LSA (A), Network Summary LSA (C), and ASBR Summary LSA (D) are valid answers.
AS External LSA (B) would only be correct if the ABR were also functioning as an ASBR, but that is not explicitly stated in the question.
References:
* Huawei HCIA-Datacom Study Guide, Chapter on "OSPF LSAs and ABR Functions".
* RFC 2328 - OSPF Version 2.

NEW QUESTION # 1108
A BGP device receives a route carrying an unknown attribute from a peer but does not know whether other devices need the attribute. In this case, the BGP device retains this attribute when advertising the route to other peers.
Which of the following attributes is of this type?

A. Community
B. AS Path
C. MED
D. OriginatorID

Answer: A

Explanation:
Transitive vs. Non-Transitive Attributes
The Community attribute is a transitive optional attribute, meaning that if a router receives a route with this attribute and does not understand its purpose, the router retains and propagates it to other peers. Other options, such as AS_Path and MED, are well-defined mandatory or optional attributes with specific purposes.

NEW QUESTION # 1109
......

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Daniel Lewis Daniel Lewis

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