4A0-M03 Online Practice Questions and Answers

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 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 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 a TAU procedure?

A. MME sends paging messages to a list of eNodeBs.

B. MME informs the HSS about the UE's current location.

C. MME sends the UE a new TA list containing the new TAIs.

D. MME determines if SGW relocation is required and selects a new SGW.

Which of the following messages are exchanged between the MME and the SGW during the UE-initiated detach procedure?

A. Detach Request / Detach Accept

B. Delete Session Request / Delete Session Response

C. S1 Context Release / S1 Context Release Complete

D. CC-Request / CC-Answer

Given the exhibit, the MME is unable to retrieve authentication vector (AV) from the HSS and the initial UE attach fails.

Which of the following actions is useful for troubleshooting this problem?

A. Verify if the IMSI to HSS mapping list is configured properly.

B. Verify if a GTP profile is associated with the S6a interface.

C. Verify if the TAI value matches between the MME and the HSS.

D. Verify if the DNS server is provisioned to dynamically discover the HSS IP address.

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 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

If the selected SGW fails, which SGW/PGW will MME select if `gateway selection mode 2' is used?

A. A new SGW, but new PGW selection is not required

B. A new SGW first, then select a new PGW that is topologically closest to the newly selected SGW

C. A new SGW first, then select a new PGW with the best order and preference values

D. The next topologically closest SGW/PGW pair