Huawei H12-721 Online Practice Questions and Exam Preparation

Huawei H12-721 Online Questions & Answers

• Question 171:

  In a dual-system hot backup, the backup channel must be the primary interface port by the board, which type is not supported?

  A. Ethernet
  B. GigabitEthernet
  C. E1
  D. vlan-if
  C. E1

• Question 172:

  USG_A and USG_B are in a hot standby configuration as shown below. The current session table show 1,500+ sessions, and when a switchover occurs there is a period of traffic interruption. You want to ensure a seamless failover.

  

  Which of the following are valid options that could be done to ensure a seamless failover?

  A. Run the "hrp preempt delay 64" command to make the preemption delay time longer.
  B. Check the connectivity between heartbeats.
  C. Configure session fast backup.
  D. Use the "no Hrp enable" command.
  A. Run the "hrp preempt delay 64" command to make the preemption delay time longer.

• Question 173:

  In IP-link, how many successive packets must not be recived for it to be considered a failure, by default?

  A. 1 times
  B. 2 times
  C. 3 times
  D. 5 times
  C. 3 times

• Question 174:

  A user using L2TP over IPsec vpn client appropriated by the company's LNS gets dialing failure.

  But in the LNS through debug ike all, and debug L2TP all did not show any information. Both phases have failed in establishing IKE. What could be the reason for failure? (Choose two answers)

  A. Traffic interested acl configuration error.
  B. Firewall (LNS) connected to the public network interface does not apply IPsec policies.
  C. IPsec data flow does not reach the firewall.
  D. The LNS is not LZTP enabled.
  B. Firewall (LNS) connected to the public network interface does not apply IPsec policies.
  C. IPsec data flow does not reach the firewall.

• Question 175:

  Which statement is incorrect about IPsec NAT traversal?

  A. AH and ESP supports NAT traversal
  B. IPsec NAT traversal is not supported IKE main mode (pre-shared mode)
  C. IPsec ESP packets using UDP through NAT packet encapsulation
  D. All IKE initiator communication messages exchanged use port 4500 port
  A. AH and ESP supports NAT traversal

• Question 176:

  Which of the following statements are true about Link-group? (Choose two answers)

  A. The cross-switch interface supports state management
  B. The support interface state management across the interface board
  C. It provides support for remote management interface status
  D. It supports hot-swappable interface board
  B. The support interface state management across the interface board
  D. It supports hot-swappable interface board

• Question 177:

  What type of packet sent in a VRRP HELLO message?

  A. unicast packets
  B. broadcast packets
  C. multicast packets
  D. UDP packets
  C. multicast packets

• Question 178:

  An enterprise network cutover has just been done. The old network equipment is off the assembly line and the line is now on new network equipment. After operational testing we found that the majority of traffic will not work.

  What will be administrators quickest way to restore business?

  A. stratification
  B. Break Law
  C. substitution method
  D. Block Method
  C. substitution method

• Question 179:

  Through the configuration of the Bypass interface, you can avoid network communication interruption caused by equipment failure and improve reliability. The power Bypass function can use any network interfaces to configure the Bypass GE parameters to achieve the Bypass function.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 180:

  Static fingerprint filtering function is configured through static fingerprints. Fingerprints on the packets hit the appropriate treatment, and thus attack traffic defense.

  General Anti-DDos device can capture function, first grab the attack packets, and then extract the functionality through fingerprint and fingerprint information input to the static filter.

  A. TRUE
  B. FALSE
  A. TRUE