Nokia 4A0-M03 Exam Practice Test Instant Access

Question 1

Which of the following statements regarding the role of the MME in the packet core is FALSE?

AMME manages registration, authentication, and mobility for the UE.

BMME handles setup and management of UE connections to data and voice over LTE.

CMME routes and forwards user data packets received from eNodeB.

DMME selects the appropriate SGW and PGW during a UE relocation.

Answer : C

https://en.wikipedia.org/wiki/System_Architecture_Evolution

Question 2

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

ADetach Request / Detach Accept

BDelete Session Request / Delete Session Response

CS1 Context Release / S1 Context Release Complete

DCC-Request / CC-Answer

Answer : A

https://www.slideshare.net/tharinduwije/lte-ue-initial-attach-detach-from-networkx

Question 3

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

AMinimizes MME relocation in case of UE mobility

BMinimizes the number of MMEs required in a network

CProvides MME load balancing

DProvides MME geographical resilience

Answer : D

Question 4

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

AA new SGW, but new PGW selection is not required

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

CA new SGW first, then select a new PGW with the best order and preference values

DThe next topologically closest SGW/PGW pair

Answer : A

Question 5

Which of the following is NOT performed by the MME during S1-based handover procedure?

AMME determines if SGW relocation is required.

BMME selects the target eNodeB for handover.

CMME releases bearers that are not accepted by the target eNodeB.

DMME checks if the handover is to restricted area based on the handover restriction list.

Answer : C

Question 6

Which of the following is NOT an EPS session management (ESM) function performed by MME?

ASupport default bearer creation, modification, and deletion

BSupport dedicated bearer creation, modification, and deletion

CInform other network elements about subscription data changes in HSS

DPerform network element selection

Answer : A

Question 7

Which of the following statements best describes a home PLMN?

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

BA provisioned network that is shared by multiple operators

CA network where a UE is currently being served

DA network where a UE is subscribed

Answer : C

Nokia Mobility Manager 4A0-M03 Exam Practice Test