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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security | 8% | - AAA authentication - Attack defense and security policy - ACL and packet filtering |
| Topic 2: Multicast Technologies | 9% | - Multicast basic concepts - IGMP protocol - PIM protocol |
| Topic 3: BGP Fundamentals | 17% | - BGP route attributes and selection - BGP characteristics and working principles - BGP configuration and policy application |
| Topic 4: WLAN Basics | 2% | - WLAN technology principles - WLAN deployment and optimization |
| Topic 5: Routing Basics | 3% | - Routing concepts and classification - Routing table composition and selection rules |
| Topic 6: Routing and Traffic Control | 10% | - Policy-based routing - Route import and redistribution - Routing policy and filtering |
| Topic 7: Network Service and Management | 5% | - DHCP and DNS services - Network management and monitoring |
| Topic 8: Network Solutions and Design | 5% | - Typical network architecture and solution - Enterprise network design principles |
| Topic 9: IPv6 Technologies | 3% | - IPv6 address structure and configuration - IPv6 routing protocols |
| Topic 10: Ethernet Switching Technologies | 7% | - VLAN principles and configuration - Link aggregation and stack technology - Spanning Tree Protocol |
| Topic 11: Network Reliability | 7% | - VRRP protocol - Device redundancy and link backup - BFD technology |
| Topic 12: IS-IS Fundamentals | 8% | - IS-IS configuration and deployment - IS-IS protocol principles |
| Topic 13: OSPF Fundamentals | 16% | - OSPF configuration and optimization - OSPF special applications and troubleshooting - OSPF principles and operation mechanisms |
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NEW QUESTION # 392
Which of the following statements regarding the BGP error display of a router is false?
Answer: C
Explanation:
The provided BGP error display shows the error timestamp as 12:40:39 on March 22, 2010. The error message confirms a mismatch in the peer AS number, as indicated in the "Incorrect remote AS" error info.
This eliminates options related to other causes, and the timestamp in Option A is incorrect .
NEW QUESTION # 393
A non-client is an IBGP peer that functions as neither an RR nor a client. A non-client must establish fully meshed connections with the RR and all the other non- clients.
Answer: B
Explanation:
In an IBGP setup with a Route Reflector (RR), a non-client is an IBGP peer that is neither the RR itself nor its client.
Non-clients must establish fully meshed IBGP connections with all other non-clients and the RR because IBGP rules prohibit route propagation between non- clients without a direct connection.
NEW QUESTION # 394
A large enterprise deploys a WLAN in VRRP HSB mode to ensure WLAN reliability. Which of the following statements are false about the VRRP configuration?
Answer: B,D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
* VRRP (Virtual Router Redundancy Protocol) HSB (Hot Standby Backup) mode ensures high availability for WLAN access controllers (ACs).
* A. FALSE # The default VRRP priority is 100, but a higher value (not smaller) means a higher priority.
* B. TRUE # The VRID (Virtual Router Identifier) must be the same on both master and backup ACs.
* C. TRUE # The virtual IP address must match for seamless failover.
* D. FALSE # The default VRRP advertisement interval is 1 second. However, this statement is false because the context suggests an incorrect assumption about configurability.
# Reference: Huawei HCIA-Datacom Study Guide, VRRP in WLAN Deployments.
NEW QUESTION # 395
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?
Answer: C,D
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* DHCP Configuration Issues:
* Option C: The DHCP function is disabled by default on 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, a DHCP relay agent must 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 # 396
After a switch is powered on, it joins a running stack system. This behavior is called stack joining.
Answer: B
NEW QUESTION # 397
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