4A0-M03 Online Practice Questions and Answers

Which of the following MME interfaces uses a protocol OTHER than GTP-C or Diameter?

A. S1-MME

B. S11

C. S6a

D. SLg

Which of the following is NOT a benefit of S1-Flex mechanism?

A. Minimizes MME relocation in case of UE mobility

B. Minimizes the number of MMEs required in a network

C. Provides MME load balancing

D. Provides MME geographical resilience

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 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 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 logical interface is used to transfer UE information from one MME to another MME during relocation?

A. S10

B. S3

C. S6a

D. S13

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

Which of the following statements regarding paging policy is FALSE?

A. Paging method defines which forwarding path is used to forward the paging message to eNodeBs

B. Paging policy defines paging procedures used by MME to page an idle UE

C. Paging timer specifies the time to wait for a response to a paging request message

D. Paging attempt specifies the number of times MME tries to page a UE before the UE is deemed non-responsive

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

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