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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q252-Q257):

NEW QUESTION # 252
By default, a router interface sends PIM Hello messages at an interval of __________ seconds.

Answer:

Explanation:
30
Explanation:
By default, a router interface sends PIM (Protocol Independent Multicast) Hello messages every 30 seconds to maintain neighbor relationships. This interval can be adjusted using configuration commands.

NEW QUESTION # 253
ACL command ac1 [number] ac1-number [ match-order {autol config}], where ac1-numnbe is used to specify the number of the access control list, and the value range of ac1-number of the basic access control list is ().

A. 2000 ~2999
B. 1000~3999
C. 0~1000
D. 3000~3999

Answer: A

NEW QUESTION # 254
Which of the following descriptions of BGP notification principles is incorrect?

A. Routes obtained from IBGP peers. Can only be sent to IBGP peers
B. The routes obtained from EBGP peers will be published to all peers.
C. Only publish optimal routes
D. When a router learns a BGP route from its IBGP peer, it cannot use the route or advertise this route to its EBGP peer unless it learns this route from the IGP protocol. route

Answer: A

NEW QUESTION # 255
The four routers run IS-S and have established adjacency. The area numbers and router levels are marked in the figure.

Which of the following statements is correct?

A. R1 does not have the LSP generated by R4, so R1 can only communicate with R4 through the default route.
B. Both R2 and R3 will generate Level-1 LSPs with ATT set.
C. R2 and R3 learn default routes from each other, and a routing loop occurs in the network.
D. Both R2 and R3 will generate LSPs of Level 1-2 with ATT set.

Answer: B

NEW QUESTION # 256
On Huawei switches, which of the following planes provides network information and forwarding entries that are mandatory for data plane forwarding?

A. Monitoring plane
B. Forwarding plane
C. Data plane
D. Control plane

Answer: D

Explanation:
Comprehensive and Detailed in-depth Step-by-Step Explanation:
To understand this question, let's first review the functional planes in network devices, particularly Huawei switches:
Control Plane:
The control plane is responsible for generating and maintaining routing tables and forwarding entries.
It uses protocols like OSPF, BGP, and RIP to exchange routing information with other network devices. Once the routing information is processed, it installs forwarding entries into the forwarding plane for actual packet forwarding.
On Huawei switches, the control plane is mandatory for building and updating the forwarding table. Without it, the data plane cannot forward traffic correctly.
Forwarding Plane (or Data Plane):
This plane handles the actual forwarding of packets based on the forwarding table created by the control plane.
The forwarding plane operates at high speed to ensure that traffic flows efficiently.
Monitoring Plane:
This plane is responsible for network management and monitoring. It gathers statistics and provides tools for troubleshooting and visibility.
In this case,the control plane provides the routing information and forwarding entries required for the data plane to perform packet forwarding.Therefore, the correct answer isB. Control plane.
References:
Huawei HCIA-Datacom Study Guide, Chapter on "Switch Architecture and Planes".
Huawei Official Documentation on Switching and Routing Basics.

NEW QUESTION # 257
......

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