Vendor: Nokia
Exam Code: 4A0-105
Exam Name: Nokia Virtual Private LAN Services
Certification: Nokia Certifications
Total Questions: 156 Q&A
Updated on: Jun 17, 2026
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Which PDU type is sent periodically over a link in the IEEE 802.3ah EFM as a method of keepalive?
A. Event notification.
B. Loopback control.
C. Information.
D. Variable request.
E. Variable response.
Click on the exhibit below.

The service MTU on PE-A is 1514 bytes and the service MTU on PE-C is 1518 bytes. What is the status of the mesh-sdp between PE-A and PE-C?
A. The mesh-sdp will be up.
B. The mesh-sdp will be down.
C. The mesh-sdp will only be up on PE-A.
D. The mesh-sdp will only be up on PE-C.
A router has just learned the 10th MAC address while the FDB size is also set to 10. What is the likely outcome?
A. The frame is dropped.
B. The frame is always flooded
C. The frame is forwarded and MAC learning is automatically disabled.
D. The frame is discarded if the destination is unknown.
E. More information is required to determine the fate of this new frame.
The following table comprehensively analyzes the quality and value of Nokia Certifications 4A0-105 exam materials.