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 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 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 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.

Which of the following regarding an EPS dedicated bearer is FALSE?

A. It can be a GBR bearer.

B. It can be a non-GBR bearer.

C. MME obtains the dedicated bearer QoS parameters from HSS.

D. MME sends the dedicated bearer QoS parameters to eNodeB.

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.

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

Which of the following functions is NOT performed by MME when it receives a TAU from a UE?

A. Perform message integrity check

B. Inform HSS of the UE's current location

C. Check if UE requests access to a restricted tracking area

D. Send paging message to a list of SGWs belonging to UE's registered tracking area

Which of the following statements best describes a home PLMN?

A. A network where a UE is currently registered and has a different PLMN ID from the UE's PLMN ID

B. A provisioned network that is shared by multiple operators

C. A network where a UE is currently being served

D. A network where a UE is subscribed

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