Huawei H12-821 Online Practice Questions and Exam Preparation

Huawei H12-821 Online Questions & Answers

• Question 31:

  ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?

  A. If the firewall security policy permits packets to pass, the session table is created.
  B. By default, when status detection is disabled and the permit policy is configured packets can pass.
  C. Packets must pass the firewall, and a session table is established.
  D. If the firewall security policy permits packets to pass, the packets can pass the firewall.
  D. If the firewall security policy permits packets to pass, the packets can pass the firewall.

• Question 32:

  CORRECT TEXT

  There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)

  asynchronous

• Question 33:

  An ACL can be used to match routes or data, but cannot be used to match both the IP address prefix length and mask length.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 34:

  On an OSPF network, routers learn routing information on the entire network by exchanging LSAs. Which of the following values is the LS Age in the LSA header when an LSA is deleted?

  A. 1800s
  B. 3600s
  C. 1200s
  D. 600s
  B. 3600s

• Question 35:

  When two BGP peers support different Hold Time, they will negotiate to support the shortest Hold Time interval they can support.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 36:

  L2TP does not provide security encryption. Therefore, other security measures, such as IPsec, are required to ensure the security of the entire tunnel for data transmission.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 37:

  Regarding the route-policy set-cost configuration below, which of the following statements is true?

  

  A. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
  B. The cost of all routes is set to 200.
  C. All the routes that are not permitted by node 10 will be denied.
  D. The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.
  A. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.

• Question 38:

  CORRECT TEXT

  Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)

  2001:DBB:B8:0:C030::9A0:CDEF

• Question 39:

  On an OSPF network, one router with P2P as the network type is directly connected to another router with P2MP as the network type. If the Hello intervals on the two routers are changed to be the same, neighbor relationship establishment and LSDB synchronization are not affected.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 40:

  ACLs are a common tool for matching routes. ACLs are classified into multiple types based on ACL rule functions. An ACL can be identified by a number, and the number range for each type of ACLs is different. Which of the following type of ACLs are numbered from 4000 to 4999?

  A. User-defined ACL
  B. Basic ACL
  C. Layer 2 ACL
  D. Advance ACL
  A. User-defined ACL