Exactprep H12-821_V1.0 Questions

 VRRP and BFD Association :

VRRP (Virtual Router Redundancy Protocol) is used to provide gateway redundancy by electing a master and backup router.

Associating VRRP with BFD (Bidirectional Forwarding Detection) allows faster detection of faults on the master device or the link between the master and the backup.

BGP routes have a variety of path attributes that describe their characteristics and influence route selection. These attributes include well-known mandatory attributes like AS-PATH and NEXT-HOP, as well as optional attributes like MED and LOCAL_PREF.

In Huawei devices, there is a Huawei-specific attribute called " preference " , which is a local parameter used to influence BGP route selection on the device.

Key Characteristics of " preference " :

It is valid only locally on the router.

It is not shared with BGP peers.

It helps the router determine the best route when multiple routes exist for the same prefix.

It appears in the BGP routing table output in lowercase as preference.

Thus, the correct answer is preference (entered in lowercase as required).

A stateful inspection firewall tracks the state of active connections. If a packet matches an existing session in the firewall ' s state table, it is allowed to pass. The diagram indicates that the TCP packet matches the session state, so the firewall forwards it ​.