Huawei Updated H12-811_V1.0 Exam Questions and Answers by bianca

The country-code command is used on an AC (Access Controller) to specify the country code, which aligns the wireless settings with local regulatory standards. Setting the correct country code ensures compliance with regional RF (Radio Frequency) regulations, such as frequency bands and transmission power limits​.

Static IP addressing for servers in campus network planning is crucial for maintaining stable network access to server resources. Static IPs ensure that critical devices like servers have fixed addresses, allowing for predictable network access and reducing potential IP conflicts, which enhances network reliability. This practice is endorsed in Huawei's guidelines for effective campus network design and is considered a best practice for managing servers on a network​.

A Layer 2 ACL primarily matches Layer 2 information, such as source and destination MAC addresses. However, it does not match Layer 3 information like IP addresses, as Layer 2 ACLs are designed to control traffic based on MAC addresses rather than IP-based criteria. Layer 3 ACLs would be used to match IP addresses​.

Detailed Explanation:All listed options are valid OSPF (Open Shortest Path First) packet types:

HELLO packets establish and maintain neighbor relationships.

LSR (Link State Request) packets are used to request missing link-state information.

LSU (Link State Update) packets contain link-state advertisements for OSPF routers.

LSA (Link State Advertisement) packets carry route information.(Reference: HCIA-Datacom Training Material, OSPF Packet Types)