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Huawei H12-821_V1.0 Exam Syllabus Topics:

SectionObjectives
Topic 1: IPv6- IPv6 Fundamentals
  • 1. IPv6 Addressing
  • 2. IPv6 Routing
  • 3. IPv4 to IPv6 Transition
Topic 2: Network Reliability- Reliability Technologies
  • 1. VRRP
  • 2. BFD
  • 3. Redundancy Design
Topic 3: IS-IS- IS-IS Fundamentals
  • 1. Level-1 and Level-2 Routing
  • 2. LSP and SPF Mechanism
  • 3. IS-IS Neighbor Establishment
Topic 4: Network Solutions- Enterprise Network Solutions
  • 1. WAN Solution
  • 2. Campus Network
  • 3. Datacom Architecture
Topic 5: Routing Basics- IP Routing Fundamentals
  • 1. Route Selection
  • 2. Static Routing
  • 3. Routing Table Principles
Topic 6: Multicast- IP Multicast Technologies
  • 1. PIM
  • 2. IGMP
  • 3. Multicast Forwarding
Topic 7: Network Service and Management- O&M Technologies
  • 1. Network Monitoring
  • 2. SNMP
  • 3. Telemetry
Topic 8: Ethernet Switching Technology- Switching Fundamentals
  • 1. VLAN
  • 2. STP/RSTP/MSTP
  • 3. Link Aggregation
Topic 9: OSPF- OSPF Fundamentals
  • 1. OSPF Neighbor Relationship
  • 2. OSPF Area Design
  • 3. LSA and SPF Calculation
Topic 10: Network Security- Security Technologies
  • 1. AAA
  • 2. Attack Prevention
  • 3. ACL
Topic 11: Routing and Traffic Control- Traffic Management
  • 1. Traffic Optimization
  • 2. Route Filtering
  • 3. Policy-based Routing
Topic 12: WLAN- Wireless Networking
  • 1. WLAN Architecture
  • 2. WLAN Deployment
  • 3. Wireless Security
Topic 13: BGP- BGP Technologies
  • 1. IBGP and EBGP
  • 2. BGP Path Selection
  • 3. BGP Route Advertisement

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q181-Q186):

NEW QUESTION # 181
Which of the following attributes must be recognized by all BGP devices and exist in Update messages?

Answer: B


NEW QUESTION # 182
The BFD Echo function checks the connectivity of the forwarding link by looping back packets. Which of the following statements are true about this function?

Answer: B,C

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. What is the BFD Echo Function?
* BFD (Bidirectional Forwarding Detection) is used to detect link failures.
* The Echo function is an optional feature that tests link connectivity by looping back packets sent from the local device through the forwarding path.
2. Analysis of Each Statement:
Option A: If URPF is enabled on the peer end, BFD packets may be incorrectly discarded on the peer end.
* Correct.
* URPF (Unicast Reverse Path Forwarding) checks whether the source IP address of an incoming packet is reachable via the interface it was received on. Since the Echo function uses loopback packets, this can conflict with URPF, causing the packets to be dropped.
Option B: In the BFD Echo function, the device uses the IP address of the outbound interface as the source IP address by default.
* Correct.
* By default, the outbound interface's IP address is used as the source address for BFD Echo packets.
Option C: The BFD Echo function applies only to single-hop BFD sessions.
* Incorrect.
* The BFD Echo function can be used for both single-hop and multi-hop BFD sessions.
Option D: When configuring a BFD session supporting the BFD Echo function, you need to configure both the local and remote discriminators.
* Incorrect.
* The BFD Echo function is locally configured and does not require setting remote discriminators. The function operates independently of the remote device's configuration.
3. Summary:
* The correct statements are A and B.


NEW QUESTION # 183
On an OSPF network, the inter-area routing loop prevention mechanism requires that all non-backbone areas be directly connected to the backbone area. If a non-backbone area is not connected to the backbone area, you can configure a virtual link instead. Which of the following statements are true about virtual links?

Answer: A,B,D


NEW QUESTION # 184
As shown in the figure below, RTC announces 10.1.1.0/24 into BGP, and RTC is the client of route reflector RTB. Then router RT() will not receive the route entry
10.1.1.0/24 reflected by RTB.

Answer:

Explanation:
A


NEW QUESTION # 185
Huawei modular devices have multiple hardware modules that provide different functions. Match the following hardware modules with their functions.

Answer:

Explanation:

Explanation:
The hardware modules of Huawei modular devices and their functions are:
* Main Processing Unit (MPU): Provides control and management planes for the entire system, responsible for protocol processing, system security, and software upgrades.
* Switch Fabric Unit (SFU): Provides the data plane, enabling high-speed data switching between service modules.
* Line Processing Unit (LPU): Manages data forwarding, offering various interfaces (optical and electrical) for data access.


NEW QUESTION # 186
......

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