H12-821_V1.0 Test Lab Questions & Latest H12-821_V1.0 Mock Test

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Huawei H12-821_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Ethernet Switching Technologies	7%	- Link aggregation and stack technology - VLAN principles and configuration - Spanning Tree Protocol
Topic 2: BGP Fundamentals	17%	- BGP characteristics and working principles - BGP configuration and policy application - BGP route attributes and selection
Topic 3: Network Service and Management	5%	- Network management and monitoring - DHCP and DNS services
Topic 4: OSPF Fundamentals	16%	- OSPF special applications and troubleshooting - OSPF principles and operation mechanisms - OSPF configuration and optimization
Topic 5: IPv6 Technologies	3%	- IPv6 routing protocols - IPv6 address structure and configuration
Topic 6: IS-IS Fundamentals	8%	- IS-IS protocol principles - IS-IS configuration and deployment
Topic 7: Routing Basics	3%	- Routing concepts and classification - Routing table composition and selection rules
Topic 8: WLAN Basics	2%	- WLAN technology principles - WLAN deployment and optimization
Topic 9: Network Solutions and Design	5%	- Typical network architecture and solution - Enterprise network design principles
Topic 10: Routing and Traffic Control	10%	- Route import and redistribution - Policy-based routing - Routing policy and filtering
Topic 11: Network Reliability	7%	- BFD technology - VRRP protocol - Device redundancy and link backup
Topic 12: Network Security	8%	- AAA authentication - ACL and packet filtering - Attack defense and security policy
Topic 13: Multicast Technologies	9%	- Multicast basic concepts - PIM protocol - IGMP protocol

>> H12-821_V1.0 Test Lab Questions <<

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q27-Q32):

NEW QUESTION # 27
In PIM, which of the following descriptions about DR is correct? (Multiple choice)

A. On the shared network segment connected to the multicast source, the DR is responsible for sending Join registration messages to the RP. The DR connected to the multicast source is called the source DR.
B. PIM routers become PIM neighbors by exchanging Hello messages. The Hello messages carry the DR priority and the interface address of the network segment.
C. On the shared network segment of the connection group members, the DR is responsible for sending a Register message to the RP. The DR connected to the group members is called the group member- side DR.
D. If the current DR fails, the PIM neighbor relationship will time out, and a new round of DR election will be triggered between other PIM neighbors.

Answer: B,D

NEW QUESTION # 28
According to BGP route selection rules, the route with the higher Local_Pref is preferred.

A. TRUE
B. FALSE

Answer: A

Explanation:
According to BGP route selection rules, a higher Local_Pref value indicates a more preferred route. This rule is used to influence traffic flow within an autonomous system (AS), giving preference to routes with a higher Local_Pref for outgoing traffic .

NEW QUESTION # 29
After the administrator of an enterprise deploys a DHCP server, employees complain that their clients cannot obtain IP addresses from the DHCP server. Which of the following may cause this problem?

A. STP is enabled on the DHCP server.
B. Multiple DHCP servers are configured.
C. DHCP clients and the DHCP server are on different network segments, and no DHCP relay agent is configured on the network.
D. The DHCP function is disabled by default, and the administrator forgets to enable the DHCP function.

Answer: C,D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
DHCP Configuration Issues:
Option C:The DHCP function isdisabled by defaulton Huawei devices. If the administrator forgets to enable it, clients cannot receive IP addresses.
Option D:DHCP uses broadcast messages, which do not traverse routers. If the clients and DHCP server are on different subnets, aDHCP relay agentmust be configured.
Other Options:
Option A:Multiple DHCP servers can coexist as long as their IP address pools do not overlap. This is unlikely to cause the problem.
Option B:STP does not affect DHCP operations unless it delays port activation, which is uncommon in this scenario.
References:
HCIA-Datacom Study Guide, Chapter: DHCP Configuration and Troubleshooting Huawei DHCP Relay Agent Configuration

NEW QUESTION # 30
RSTP has been improved on the basis of STP, realizing fast convergence of network topology. However, both RSTP and STP are based on a single spanning tree, and there are some shortcomings, such as? (Multiple choice)

A. It will shovel the problem of suboptimal path
B. After the link is blocked, it will carry part of the traffic, which will not cause bandwidth waste
C. Unable to achieve load balancing of data traffic in VLAN
D. It will cause some VLAN paths to fail

Answer: A,C,D

NEW QUESTION # 31
Which of the following descriptions about IP address owners in VRRP are correct? (Multiple choice)

A. The owner of the IP address must be the Master
B. The priority of the IP address owner must be 255
C. Users can manually specify the IP address owner by changing the priority
D. The interface IP address of the IP address owner must be the same as the IP address of the virtual router.

Answer: A,B,D

NEW QUESTION # 32
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