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H12-821_V1.0 Guide, H12-821_V1.0 Valid Braindumps Questions

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Huawei H12-821_V1.0 certification is highly valued in the IT industry, especially in the field of data communication. HCIP-Datacom-Core Technology V1.0 certification demonstrates that the candidate has a solid understanding of data communication core technologies and is capable of designing and implementing complex network solutions. HCIP-Datacom-Core Technology V1.0 certification is also recognized by many leading companies in the IT industry, making it a valuable asset for professionals seeking employment in this field.

The Huawei H12-821_V1.0 Exam covers a range of topics, including advanced routing and switching, MPLS VPN technology, and network security. Professionals who pass the Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) exam will have demonstrated their ability to design and implement networks that are secure, scalable, and reliable. HCIP-Datacom-Core Technology V1.0 certification is a valuable asset for IT professionals who work in networking and are looking to differentiate themselves in the job market.

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q16-Q21):

NEW QUESTION # 16
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. OriginatorID
B. AS.Path
C. Community
D. MED

Answer: C

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.
HCIP-Datacom-Core Reference
* The behavior of optional transitive attributes is detailed in the BGP protocol and attribute chapters.

NEW QUESTION # 17
The following figure shows the OSPF network of an enterprise and the OSPF configurations of R1. Which of the following statements is false about the network?

A. GE 0/0/1 of R1 cannot send OSPF packets.
B. R2 can access the server.
C. GE 0/0/1 of R1 cannot accept OSPF packets.
D. The network segment to which GE 0/0/1 of R1 belongs cannot be advertised.

Answer: D

Explanation:
Silent Interface Explanation
* The silent-interface command is used to prevent OSPF from sending or receiving OSPF packets on the specified interface (GE 0/0/1). This disables OSPF adjacency establishment and stops route advertisement for that interface.
Network Observations
* Statement A: R2 can access the server.This is correct, as the silent interface does not impact data traffic, only OSPF-related communication.
* Statement B: GE 0/0/1 of R1 cannot send OSPF packets.Correct due to the silent-interface configuration.
* Statement C: The network segment to which GE 0/0/1 of R1 belongs cannot be advertised.This is correct, as the silent interface prevents route advertisement.
* Statement D: GE 0/0/1 of R1 cannot accept OSPF packets.Correct, as the silent interface configuration blocks packet reception.
HCIP-Datacom-Core Reference
* OSPF interface command behavior is outlined in the configuration and lab examples sections.

NEW QUESTION # 18
The following figure shows the BGP state switching mechanism. Drag the following BGP states to the corresponding sequence numbers.

Answer:

Explanation:

Explanation:
1 - Idle
2 - Connect
3 - OpenSent
4 - OpenConfirm
5 - Established
6 - Active
TheBGP finite state machinedefines how a BGP speaker transitions through various states when establishing and maintaining a BGP session. Below is the role of each state:
Idle (1)- BGP is waiting to start a connection. Initial state of the BGP process.
Connect (2)- BGP initiates a TCP connection to the peer.
OpenSent (3)- TCP connection is established; BGP sends an OPEN message and waits for one from the peer.
OpenConfirm (4)- BGP has received a valid OPEN message and is now expecting a KEEPALIVE.
Established (5)- BGP session is fully established; UPDATE messages can now be exchanged.
Active (6)- If the TCP connection fails in Connect state, BGP transitions to Active and will retry connection.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"BGP goes through the following states in order: Idle # Connect # Active # OpenSent # OpenConfirm # Established. The transition depends on the success or failure of TCP connection setup and BGP message exchanges." (Chapter: BGP Principles - Section: BGP State Machine)

NEW QUESTION # 19
In addition to a route reflector, the confederation is another method that reduces the number of IBGP connections in an AS.
Which of the following statements are true about the confederation technology? (Choose all that apply)

A. Special EBGP connections are established among sub-ASs in a confederation, and the sub-ASs need to be fully meshed.
B. The logical topology does not need to be changed when a confederation is used.
C. All member devices in a confederation need to be reconfigured.
D. This technology is applicable to large-scale networks.

Answer: A,B,D

Explanation:
A is correct- Confederations arespecifically designed for large-scale BGP deploymentswhere a full IBGP mesh is impractical.
B is correct- Sub-ASs within a confederation establishEBGP-like connectionsbetween each other but behave like IBGP within the overall AS. These sub-ASsdo not require full-mesh inside the confederation, but EBGP rules are followed between sub-ASs.
C is false-Not all devices need to be reconfigured. Devices within the same sub-AS retain normal IBGP behavior and minimal changes.
D is correct- Confederation istransparent to external peers, so thelogical topology remains the samefrom outside the AS.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"BGP confederation divides an AS into multiple sub-ASs. EBGP-like sessions are established between sub- ASs, while reducing IBGP mesh complexity. The external AS still sees the AS as one unit." (Chapter: BGP Scalability Enhancements - Section: Confederation)

NEW QUESTION # 20
Which of the following statements regarding Local-Preference in BGP is true?

A. Local-Preference can be transmitted between ASs.
B. The default Local-Preference value is 100.
C. Local-Preference is a well-known mandatory attribute.
D. Local-Preference affects traffic that enters an AS.

Answer: B

Explanation:
The Local-Preference attribute is used within an AS to influence outbound traffic paths. The default value is
100, and it is a well-known discretionary attribute, meaning it is not mandatory and does not travel across AS boundaries .

NEW QUESTION # 21
......

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