Nokia SRA Composite 4A0-C02 Dumps in PDF

Free Nokia 4A0-C02 Real Questions (page: 4)

Why is MAC explosion a factor to be considered when designing a large VPLS network? (Choose 2)

  1. The time to relearn thousands of MAC addresses may result in excessive flooding or loss of packets.
  2. If the FDB reaches the limit, the router will discard frames.
  3. Discarding frames when the FDB limit is reached could deny SLA guarantees.
  4. It could take several seconds to relearn thousands of MAC addresses denying QoS/SLA guarantees.

Answer(s): A,D



You are providing a customer two VPLS services in two different Metro networks. VPLS 500 has been configured in Metro 1 and VPLS 900 has been configured in Metro 2. The customer has requested that they have connectivity between the Metro Networks with their existing VPLS services. Which configuration on the
PE routers linking the metro networks will allow for VPLS 500 and VPLS 900 to act as a single VPLS service? Assume default values for all VPLS parameters and SDP 999 exists between the metro networks.

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A



When spanning tree is enabled within a VPLS service and the STP mode is 802.1 D 2004 what happens if a PVST BPDU is received on a SAP?

  1. Spanning tree will be disabled on the SAP that the PVST BPDU was received on.
  2. The SAP that the PVST BPDU was received on will be disabled to prevent loops.
  3. The spanning tree encapsulation will be dynamically changed to PVST on the SAP the PVST BPDU was received on.
  4. The PVST BPDU will be ignored and 802.1D 2004 BPDUs will continue to be transmitted on the SAP.

Answer(s): C



Port 1/1/1 has been configured as an access port with QinQ encapsulation. Which of the following three statements are true for ingress traffic assuming default configuration? (Choose 3)

  1. sap 1/1/1:*.0 is a valid sap id.
  2. sap 1/1/1:100* will accept frames with a single tag of 100.
  3. sap 1/1/1:200* will strip the top tag of 200 and the bottom tag will be transparently passed.
  4. sap 1/1/1:0* will accept all untagged frames.
  5. sap 1/1/1:0* will accept any tagged frames.

Answer(s): B,C,D



Which of the following statements is false?

  1. VPLS is a bridged LAN service.
  2. VPLS provides L2 VPN services to CEs.
  3. VPLS is a point-to-point service where CEs are presented with point-to-point virtual circuits.
  4. CEs that are members of the same VPLS service instance communicate with each other as if they are connected via a bridged LAN.

Answer(s): C



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12/27/2023 12:47:00 AM

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10/22/2023 9:58:00 PM

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