Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 121:

  In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent?

  A. Tunnel Label

  B. VC Label

  C. Operational Control Word

  D. UNI

  E. NNI

  Correct Answer: A

• Question 122:

  Once a service has been created with a customer association, it is possible to change the customer association.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 123:

  Which of the following about ADSPEC is FALSE?

  A. ADSPEC sets an SDP's MTU to the smallest MTU value found along the LSP path.

  B. RSVP must be enabled on all MPLS routers of a path to use ADSPEC.

  C. ADSPEC can automatically adjust the service MTU.

  D. ADSPEC can be enabled on individual LSPs.

  Correct Answer: C

• Question 124:

  Which of the following fields is NOT present in a GRE encapsulated VPN service packet?

  A. DLC Header

  B. Control Word

  C. Transport Label

  D. Service Label

  Correct Answer: C

• Question 125:

  A network technician needs to set up a local mirror to replicate traffic for examination with a protocol analyzer. The analyzer is on port 1/1/4 of his service router. Which of the following configuration steps is required?

  A. A mirror source listing port 1/1/4.

  B. A mirror destination listing port 1/1/4.

  C. A remote source command indicating the IP address of the service router he is configuring a local mirror on.

  D. Verification that his IP/MPLS infrastructure is in place

  E. None of the above.

  Correct Answer: B

• Question 126:

  By default, how does a VPLS handle a tagged frame received at the ingress of a null SAP on an Alcatel-Lucent 7750 SR?

  A. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.

  B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.

  C. The FCS is verified and removed from the frame. The VLAN tag is kept and transported over the network.

  D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

  Correct Answer: C

• Question 127:

  Which of the following SAPs can be used so that only untagged frames and frames with a VLAN tag of 0 are accepted?

  A. sap 1/1/1:0

  B. requires both sap 1/1/1:0 and sap 1/1/1:*

  C. sap 1/1/1:0-4096

  D. sap 1/1/1:*

  Correct Answer: A

• Question 128:

  Which of the following about the Isp-ping command on the Alcatel-Lucent 7750 SR is FALSE?

  A. An echo request is sent based on the LSP's label stack.

  B. Echo reply packets may not take the same path as the LSP.

  C. The IP destination address is used to initiate echo requests,

  D. The test fails if the LSP is not operationally up.

  Correct Answer: C

• Question 129:

  Which of the following about VPRNs is TRUE?

  A. Customers must use the same routing protocol as the service provider.

  B. Customers belonging to the same VPRN service must use the same subnet.

  C. Service providers only need to perform configurations on the PEs to add additional VPRNs.

  D. For each VPRN, only one customer can be connected at each PE.

  Correct Answer: C

• Question 130:

  Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is TRUE?

  A. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.

  B. CE routers use a route distinguisher to indicate which VPRN they are associated to.

  C. A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.

  D. Route distinguishes are used to determine which routes a VPRN should import.

  Correct Answer: C