H12-821_V1.0 試験問題を無料オンラインアクセス

When deploying BFD, you need to adjust some parameters so that it can better detect the network status.
Which of the following statements is false about BFD optimization?

• A.To quickly learn about the network status and performance requirements, you can set the interval for sending BFD packets to the minimum value.
• B.After a high priority is configured for BFD packets, BFD packets are preferentially forwarded.
• C.On a live network, some devices switch traffic only when a BFD session changes to the Up state. If a routing protocol goes Up later than an interface, no route is available for switching traffic back, leading to traffic loss. To resolve this issue, configure a delay to compensate for the time difference caused when the routing protocol goes Up later than the interface.
• D.If a BFD session flaps, master/backup switchovers are frequently performed on the application associated with the BFD session. To prevent this, set the WTR time of the BFD session.

Both MQC and PBR can be applied on device interfaces to filter received and sent packets or control packet forwarding paths.

• A.TRUE
• B.FALSE

By default, some security zones are created when Huawei firewalls are enabled. Which of the following security zones is created by users?

• A.Local
• B.Trust
• C.ISP
• D.DMZ

Link aggregation is a common network technology. Which of the following are advantages of link aggregation?

• A.Load balancing
• B.Route backup
• C.Increased link bandwidth
• D.Improved reliability

After a BGP device establishes a peer relationship , it advertises routes. Which of the following statements are true about BGP route advertisement?

• A.Routes obtained from EBGP peers are advertised to all peers.
• B.When routes are updated, the BGP device sends all BGP routes.
• C.When there are multiple valid routes to the same destination, a BGP device advertises only the optimal route to its peers.
• D.Routes obtained from an IBGP peer are not sent to other IBGP peers.