Exam Name: HCIP-Datacom-Core Technology V1.0
Certification Provider: Huawei
Corresponding Certification: HCIP-Datacom
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Large-scale WLAN Architecture | 6% | - Enterprise WLAN deployment basics |
| Topic 2: IS-IS | 8% | - IS-IS protocol fundamentals |
| Topic 3: Switching Technologies | 7% | - VLAN and STP fundamentals |
| Topic 4: Routing Fundamentals | 3% | - Network basics and routing principles |
| Topic 5: Network Reliability | 8% | - Redundancy and failover mechanisms |
| Topic 6: Routing and Traffic Control | 10% | - Policy-based routing - Traffic engineering basics |
| Topic 7: BGP | 17% | - BGP path selection - BGP policy and attributes |
| Topic 8: OSPF | 16% | - OSPF areas and LSDB - OSPF core concepts |
| Topic 9: IPv6 | 3% | - IPv6 addressing and routing |
| Topic 10: Network Security | 9% | - ACL and basic security mechanisms |
| Topic 11: Network Service and Management | 2% | - Network management basics |
| Topic 12: Multicast | 9% | - IGMP and PIM concepts |
| Topic 13: Network Solution | 2% | - Integrated network design scenarios |
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Which of the following statement regarding the display ospf peer command output is true?
- A. The DR address is 10.1.1.1
- B. Through negotiation during DD packet exchange, the local end becomes the slave.
- C. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
- D. Router ID indicates that the local router ID Is 10.1.1.1.
Correct Answer: B 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
On an OSPF network, an IR in area 0 must be a BR, but an ASBR may not be an ABR.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
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Security policy is the core feature of firewalls. Only valid traffic that complies with security policies can be forwarded by firewalls. Which of the following statements are true about security policy matching rules?
- A. If a security policy contains multiple matching conditions, the relationship between them is AND.
- B. When multiple security policy rules are configured, they are sorted in a list by configuration sequence by default. A security policy rule configured earlier is placed higher in the list and has a higher priority.
- C. The system has a default security policy named default , where all matching conditions are any and the default action is permit .
- D. Multiple values can be configured for a single matching condition, and the values are logically ANDed.
Correct Answer: A,B 🗳️
Explanation: Only visible for ExamsLabs members. You can sign-up / login (it's free).
An OSPF AS-external LSA describes a route to an AS external network. When the field in the LSA is 0.0.0.0, the traffic destined for the external network is sent to the ASBR that imports this external route. (Enter the acronym in uppercase.)
Reveal Solution Discussion 0Correct Answer:
NSSA
Explanation:
An OSPF AS-external LSA is used to describe routes to networks that are external to the OSPF Autonomous System (AS). This external route information is typically imported into OSPF by an Autonomous System Boundary Router (ASBR) .
If the Forwarding Address field in the AS-external LSA is set to 0.0.0.0, this indicates that traffic destined for the external network should be forwarded directly to the ASBR that advertised the external route.
The specific context mentioned here relates to the Not-So-Stubby Area (NSSA) , a type of OSPF area designed to handle AS-external routes in a more controlled way. In NSSAs:
* Type 7 LSAs are used to describe AS-external routes.
* The ASBR within the NSSA converts the Type 7 LSA to a Type 5 LSA before advertising it to the backbone area.
Hence, the correct acronym for the described functionality is NSSA .
References:
Huawei HCIA-Datacom Study Guide, Chapter on " OSPF Area Types " .
RFC 3101 - OSPF Not-So-Stubby Area (NSSA) Option.
On an IS-IS network, routers send LSPs to exchange link state information. LSPs are classified into Level-1 LSPs and Level-2 LSPs and have the same format. Which of the following parts constitute the LSP ID in an LSP?
- A. LSP Number
- B. System ID
- C. IS Type
- D. Pseudonode ID
Correct Answer: A,B,D 🗳️
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