SRA Composite Exam Questions PDF download - Page: 12

Click on the exhibit below.

Assume PE-B expects avian tag as part of the RFC 4762 (Martini) encapsulation. How must PE-A be configured?

The port that the SAP belongs to must have the correct ether type configured.
The SAP must be configured with the right VLAN tag.
The SDP VC type must be configured as type VLAN and the correct vlan-vc-tag must be specified.
All of the above.

Answer(s): C

MC-LAG provides link and node protection from an MDU to 3 or more PE devices.

Answer(s): B

What are the advantages of running a physical ring topology with a mesh of mesh-SDPs? (Choose 2)

STP can be used to break the loop.
STP is not required to break the loop because of split-horizon rules.
If the traffic is primarily multicast, a full mesh of SDPs is a simple and efficient design.
If the traffic is primarily Unicast, a full mesh of SDPs is a simple and efficient design.

Answer(s): B,D

Which of the following are true when ports are configured with the IEEE 802.3ah Loopback Control feature? (Choose 3)

The loopback control PDU instructs the remote port to enter loopback mode.
Putting a port in loopback does not affect customer data flow
Both ports must rediscover the OAM capabilities of each other once the port is put back into service.
Both ports must still send Information PDUs to avoid going back to discovery mode.
When a port is in loopback mode, service mirroring will still work if it is a mirror-source or mirror- destination.
All packets, except for information PDUs, are looped back.

Answer(s): A,D,F