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

In this exhibit, a new SCTP profile is configured on the MME.

Which interface(s) in the given exhibit can be associated with this profile?

# cmm sctpProfile create –name sctp-profile –rtoMin 100 –rtoMax 500

A. S1-MME only

B. S11 only

C. Both S1-MME and S6a

D. Both S11 and S6a

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 an EPS dedicated bearer is FALSE?

A. A dedicated bearer is any EPS bearer to a PDN that is already connected to the UE.

B. A dedicated bearer can be either a GBR or non-GBR bearer.

C. A dedicated bearer remains active as long as the UE is attached to EPS.

D. A dedicated bearer uses the same IP address that was allocated for the associated default bearer.

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

Using the exhibit, if APN correction feature is enabled, which APN will be used when the UE attempts to access a service and specifies APN-4?

A. APN-1

B. APN-2

C. APN-3

D. APN-4

E. The procedure will be rejected

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.

Given the exhibit, if GTP-C load control is used, which SGW will have the highest probability of being selected by the MME for new session requests?

A. sgw01

B. sgw02

C. sgw03

D. sgw04

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 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 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.

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

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