4A0-105

4A0-105 practice questions, page 4 of 8, with answer review and explanations.

Question 16

If the command "disable-learning" has been added at the VPLS level, then MAC entries which have already been learned will not be aged.

  1. TRUE
  2. FALSE

Question 17

Which OAM tool can be used to dynamically learn the MAC address of a CE device connected to a SAP within a VPLS service?

  1. oam mac-populate
  2. oam mac-ping
  3. oam mac-trace
  4. oam svc-ping
  5. oam cpe-ping

Question 18

During the process of troubleshooting a VPLS problem the "oam mac-purge" command with "register" option was used to purge a MAC address from the FDB. Which of the following statements is true?

  1. Relearning of the MAC address that was purged can only be done once customer traffic resumes.
  2. Relearning of the MAC address that was purged can only be done with the "oam mac-populate" command.
  3. Customer traffic destined to the MAC address that was purged will be dropped until the MAC address is relearned with the "oam mac-populate" command.
  4. Relearning of the MAC address that was purged can only be done with the "oam mac-register" command.

Question 19

Click on the exhibit below. The following IP filter has been configured and applied to a SAP in a non-VPLS service. Which of the following statements is true?

  1. An error will be generated and the configuration will not be allowed.
  2. The filter entry will be ignored and traffic matching the criteria will be forwarded
  3. All traffic matching entry 20 will be dropped.
  4. Traffic matching entry 20 will be forwarded to sdp 100:1.

Question 20

Which of the following statements is true?

  1. Filter Policies can only be applied on egress.
  2. An IP filter can be applied on ingress at the same time a MAC filter is applied on the egress of the SAP.
  3. Filter Policies can be based on IP, MAC, and VPI/VCI addresses.
  4. Any number of ingress and egress filter policies can be associated with a SAP.
  5. An IP filter and a MAC filter can be applied on the ingress SAP at the same time.
  6. None of the above.