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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Core Technology V1.0 |
| Exam Number: | H12-821_V1.0 |
| Exam Price: | USD180 |
| Real Exam Qty: | 60-70 |
| Available Languages: | Chinese, English |
| Exam Format: | Drag and drop, Single-answer questions, Short response, Multiple-answer questions, True or false |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Related Certifications: | HCIA-Datacom HCIP-Datacom Certification HCIE-Datacom |
| Sample Questions: | Huawei H12-821_V1.0 Sample Questions |
| Exam Way: | Pearson VUE test center or online proctored written examination |
| Pre Condition: | Huawei recommends having HCIA-Datacom level knowledge before taking this exam. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/ |
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Huawei H12-821_V1.0 Exam is a valuable certification for professionals looking to advance their careers in the field of data communication. It demonstrates that the candidate has a comprehensive understanding of core data communication technologies and the ability to design and deploy data communication networks using Huawei products. HCIP-Datacom-Core Technology V1.0 certification is recognized globally and can open up new opportunities for career growth and advancement.
NEW QUESTION # 272
During the DHCP interaction process, the DHCP server and client exchange various types of packets. Which of the following packets is not sent from the client to the server?
Answer: C
Explanation:
The DHCPNAK message is sent by the DHCP server to the client to indicate that the requested configuration is not valid. Messages like DHCPDiscover, DHCPRequest, and DHCPRelease are initiated by the client in the DHCP process .
NEW QUESTION # 273
Route attributes are specific descriptions of routes. BGP route attributes can be classified into four types.
Which of the following are well-known discretionary attributes?
Answer: A,B
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. BGP Attributes Overview:
BGP uses attributes to describe the properties of routes. These attributes are classified into the following categories:
Well-Known Mandatory: Attributes that must be recognized and included in every BGP update. Examples:
AS_PATH, ORIGIN, NEXT_HOP.
Well-Known Discretionary: Attributes that must be recognized but are not required in every BGP update.
Examples: LOCAL_PREF, ATOMIC_AGGREGATE.
Optional Transitive: Attributes that may or may not be recognized, but must be passed along to other BGP peers. Examples: COMMUNITY.
Optional Non-Transitive: Attributes that may or may not be recognized, and are not passed along to other BGP peers. Examples: MED (Multi-Exit Discriminator).
2. Analysis of Each Option:
Option A: Atomic_Aggregate
Correct.
This is a well-known discretionary attribute. It indicates that the advertised route is an aggregate route that summarizes multiple specific routes.
Option B: Local-Preference
Correct.
This is a well-known discretionary attribute. It is used within an AS to prioritize routes, with higher values being preferred.
Option C: Community
Incorrect.
The COMMUNITY attribute is an optional transitive attribute. It is used to tag routes with specific labels to apply routing policies.
Option D: MED (Multi-Exit Discriminator)
Incorrect.
The MED attribute is an optional non-transitive attribute. It is used to influence the choice of the preferred path when there are multiple entry points into an AS.
3. Summary:
Well-Known Discretionary Attributes: Atomic_Aggregate and Local-Preference.
Huawei HCIA-Datacom Study Guide, Chapter "BGP Route Attributes."
RFC 4271: Border Gateway Protocol 4 (BGP-4).
NEW QUESTION # 274
Depending on the degree of control over the multicast source, IP multicast is divided into which of the following models? (Multiple choice)
Answer: A,B
NEW QUESTION # 275
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.
Answer:
Explanation:
1.1.1.1
Explanation:
The Originator ID in a BGP route represents the Router ID of the device that originally advertised the route into the BGP domain. Since RTA originates the route 10.1.1.0/24 into the BGP process, the Originator ID in the route received by RTD will be set to 1.1.1.1 .
NEW QUESTION # 276
Which of the following description about MED is correct? (Multiple choice)
Answer: B,D
NEW QUESTION # 277
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