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 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 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 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.

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.

Which of the following regarding PM is FALSE?

A. PM counters contain system health information on a specific VM.

B. PM counters are stored in XML format.

C. PM counters are collected on a per-interval basis.

D. A PM job is defined to collect PM counters.

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 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 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