4A0-M03 Online Practice Questions and Answers

Which of the following statements regarding SGW pools and SGW service areas is FALSE?

A. An SGW service area is served by one or more SGW pools.

B. A UE can move within an SGW service area without changing the serving SGW.

C. A tracking area can belong to one or more SGW service areas.

D. An SGW can be a member of one or more SGW pools.

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.

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.

Which of the following is NOT performed by the MME during service request procedure?

A. MME sends paging messages to a list of eNodeBs.

B. MME updates the SGW with current eNodeB information.

C. MME re-establishes S11 bearers for the UE.

D. MME requests eNodeB to establish radio and S1 bearers for the UE.

Which of the following messages are exchanged between the MME and the SGW during the dedicated bearer activation procedure?

A. Attach Request / Attach Accept

B. Create Bearer Request / Create Bearer Response

C. Session Management Request / Session Management Response

D. RA-Request / RA-Answer

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.

What network component(s) is/are shared in the gateway core network (GWCN) sharing architecture model?

A. Only E-UTRAN is shared

B. Only MME is shared

C. E-UTRAN and MME are shared

D. MME and PGW are shared

Given the exhibit, which component initiated a mobile-terminated location request (MT-LR) procedure for external LCS client?

A. MME

B. GMLC

C. E-SMLC

D. HSS

The DNS NAPTR records shown in the exhibit are returned to the MME during SGW/PGW selection.

If gateway selection mode 1 is used, which SGW/PGW pair is selected by the MME?

A. sgw01 and pgw01

B. sgw01 and pgw02

C. sgw02 and pgw01

D. sgw02 and pgw02

If the selected SGW fails, which SGW/PGW will MME select if `gateway selection mode 2' is used?

A. A new SGW, but new PGW selection is not required

B. A new SGW first, then select a new PGW that is topologically closest to the newly selected SGW

C. A new SGW first, then select a new PGW with the best order and preference values

D. The next topologically closest SGW/PGW pair