4A0-M03 Online Practice Questions and Answers

Which of the following statements regarding the role of the MME in the packet core is FALSE?

A. MME manages registration, authentication, and mobility for the UE.

B. MME handles setup and management of UE connections to data and voice over LTE.

C. MME routes and forwards user data packets received from eNodeB.

D. MME selects the appropriate SGW and PGW during a UE relocation.

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 is NOT an EPS session management (ESM) function performed by MME?

A. Support default bearer creation, modification, and deletion

B. Support dedicated bearer creation, modification, and deletion

C. Inform other network elements about subscription data changes in HSS

D. Perform network element selection

Which of the following is NOT performed by the MME during S1-based handover procedure?

A. MME determines if SGW relocation is required.

B. MME selects the target eNodeB for handover.

C. MME releases bearers that are not accepted by the target eNodeB.

D. MME checks if the handover is to restricted area based on the handover restriction list.

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.

Given the exhibit, which type of message is sent from the MME to the lawful enforcement monitoring facility (LEMF) for lawful interception support?

A. Intercept request message

B. Location request message

C. Content of communication (CC) message

D. Intercept related information (IRI) message

Which of the following is NOT a characteristic of the home routed roaming architecture?

A. Bearer traffic is routed from the SGW to the PGW over the S5 interface

B. The UE bearers are anchored at the SGW to the VPLMN

C. Subscriber services are obtained through the HPLMN

D. The MME in the VPLMN has an S6a interface to the HSS in the HPLMN

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

What information does eNodeB use to ensure MME load balancing during MME selection?

A. MME relative capacity value received from each MME in the pool

B. MME capacity value received from the UE attach request message

C. MME capacity value from the UE's subscription data received from the HSS

D. MME relative capacity value calculated by each MME based on the current network load

Which of the following statements regarding SGW selection by the MME is FALSE?

A. SGW selection can occur during initial attach, tracking area update, or handover procedures

B. MME can select an SGW by performing a DNS query on a given TAI FQDN

C. MME can select an SGW based on the overload control information received from each SGW in the SGW pool

D. MME can select an SGW from the SGW pool(s) configured to serve the given TAI