Nokia Nokia Certifications 4A0-M03 Questions & Answers

• Question 21:

  Which of the following regarding logging architecture in Nokia CMM is FALSE?

  A. Log files can be retrieved under the "/data-logs" folder.

  B. Different log files are generated automatically in the system.

  C. Logs are generated based on log events.

  D. Details about each log can be displayed using the verbose (-v) flag.

  Correct Answer: A

• Question 22:

  Given the exhibit, if GTP-C load control is used, which SGW will have the highest probability of being selected by the MME for new session requests?

  

  A. sgw01

  B. sgw02

  C. sgw03

  D. sgw04

  Correct Answer: A

• Question 23:

  Which of the following statements regarding MME restoration is FALSE?

  A. MME restoration allows rapid restoration of UE sessions when an MME to which the UE is attached fails.

  B. MME restoration occurs when S11 link fails.

  C. MME restoration triggers the S1 release of connected UEs in priority order.

  D. MME restoration can be either network-initiated or UE-initiated.

  Correct Answer: A

• Question 24:

  Which of the following statements regarding the SMC procedure is FALSE?

  A. SMC procedure must be completed successfully before AKA procedure starts.

  B. MME sends a security mode command message to the UE.

  C. UE responds with a security mode complete message.

  D. SMC procedure is used to provide NAS signaling security between the UE and the MME.

  Correct Answer: A

• Question 25:

  Which of the following statements regarding IMEI checking is FALSE?

  A. MME requests IMEI from the UE.

  B. MME receives the IMEI status from the HSS given the UE's IMEI.

  C. The IMEI status can be whitelisted, blacklisted, or greylisted.

  D. MME decides whether to reject the Attach procedure from UE based on the IMEI status.

  Correct Answer: B

• Question 26:

  Which of the following statements about MME load re-balancing is TRUE?

  A. eNodeB selects an MME according to weight factors received from the MMEs in its serving pool.

  B. eNodeB selects an MME with the lowest order value in the DNS NAPTR record.

  C. MME is configured to offload some registered UEs to another MME in a different MME pool area.

  D. Affected UEs are signaled to release their S1 and RRC connections.

  Correct Answer: D

  Reference: https://community.cisco.com/t5/service-providers-documents/load-balancing-and-re-balancingof-mme-and-offloading-process/ta-p/3140328

• Question 27:

  Using the exhibit, if APN correction feature is enabled, which APN will be used when the UE attempts to access a service and specifies APN-4?

  

  A. APN-1

  B. APN-2

  C. APN-3

  D. APN-4

  E. The procedure will be rejected

  Correct Answer: B

• Question 28:

  Which of the following statements regarding IMS emergency services is FALSE?

  A. IMS emergency services depend on location services (LCS).

  B. MME obtains emergency PGW identity from the subscription data in HSS.

  C. Local emergency number list is used by UE to detect if an emergency number is dialed.

  D. MME can be configured to provide emergency services to UEs in limited service state.

  Correct Answer: A

• Question 29:

  Which of the following statements best defines S-TMSI?

  A. A permanent, unique identification of a mobile subscriber in the GSM/UMTS/EPS system.

  B. A network that provides mobile communication services to the public.

  C. A globally unique temporary mobile identifier used to hide the subscriber's real permanent identity.

  D. An identifier assigned by the MME that uniquely identifies a UE within an MME pool.

  Correct Answer: C

• Question 30:

  Which of the following statements regarding a tracking area list (TA list) is TRUE?

  A. The location of an idle UE is known by the network at an eNodeB granularity.

  B. The location of an active UE is known by the network at a TA list granularity.

  C. All the tracking areas in a TA list are served by the same MME.

  D. A tracking area list is a logical set of MMEs.

  Correct Answer: B