H12-831

H12-831 practice questions, page 16 of 24, with answer review and explanations.

Question 76

What is the most effective way to view device alarms through CLI?

  1. display interface brief
  2. display clock
  3. display alarm
  4. display current-configuration

Question 77

Regarding the site in the BGPIMPLS IP VPN network architecture. Which of the following descriptions is correct?

  1. In any case, different sites belonging to the same VPN cannot use overlapping address spaces
  2. Terminals connected to the operator's network through the same CE may belong to different sites (MCE)
  3. A site is a group of IP systems, and a network formed by a host cannot be called a site
  4. The two networks separated by geographical locations must belong to different sites

Question 78

If you are faced with a complex network failure, and after evaluation, it is considered that the troubleshooting cannot be completed in a short time, and at this time the user urgently needs to restore the availability of the network, then which is the correct approach?

  1. Tell users that this is impossible
  2. Directly build an alternative network environment without notifying the customer
  3. Always try to troubleshoot, and do not inform users of the current difficulty of troubleshooting
  4. Communicate with users whether it is possible to skip the faulty node and build an alternative network environment

Question 79

In an operator's MPLSVPN network, there are two devices, PE1 and PE2, for MPLSVPN data forwarding. PE1 receives a 172.16.1.0/24 private network route from the client, and transforms it into a VPNv4 route on PE1 and assigns labels. Released to PE2 as 1027. The outgoing label of the MPLSLSR-ID from PE2 to PE1 is 1025. When the client on PE2 accesses 172.16.1.0/24, the inner and outer labels of the frame sent by PE2 should be the combination of the following options?

  1. Outer label: 1025, inner label: 1027
  2. Outer label: 1027, inner label: 1027
  3. Outer label: 1027, inner label: 1025
  4. Outer label: 1025, inner label: 1025

Question 80

After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs. Which of the following is not a configurable action?

  1. Flow filtering
  2. Send alert
  3. Interface blocking
  4. MAC address blocking