Nokia 4A0-M03 Exam Practice Test Instant Access

Question 1

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 2

Which of the following statements regarding SGW selection by the MME is FALSE?

ASGW selection can occur during initial attach, tracking area update, or handover procedures

BMME can select an SGW by performing a DNS query on a given TAI FQDN

CMME can select an SGW based on the overload control information received from each SGW in the SGW pool

DMME can select an SGW from the SGW pool(s) configured to serve the given TAI

Answer : C

Question 3

What information does eNodeB use to ensure MME load balancing during MME selection?

AMME relative capacity value received from each MME in the pool

BMME capacity value received from the UE attach request message

CMME capacity value from the UE's subscription data received from the HSS

DMME relative capacity value calculated by each MME based on the current network load

Answer : A

Question 4

The DNS NAPTR records shown in the exhibit are returned to the MME during SGW/PGW selection.

If gateway selection mode 1 is used, which SGW/PGW pair is selected by the MME?

Asgw01 and pgw01

Bsgw01 and pgw02

Csgw02 and pgw01

Dsgw02 and pgw02

Answer : B

Question 5

Which of the following statements regarding paging policy is FALSE?

APaging method defines which forwarding path is used to forward the paging message to eNodeBs

BPaging policy defines paging procedures used by MME to page an idle UE

CPaging timer specifies the time to wait for a response to a paging request message

DPaging attempt specifies the number of times MME tries to page a UE before the UE is deemed non- responsive

Answer : A

Question 6

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

Question 7

Which of the following statements regarding handover is FALSE?

AHandover can occur when UE is in ECM-CONNECTED state

BS1-based handover is used when X2-based handover attempt failed

CDuring X2-based handover, MME may remain the same or be relocated

DS1-based handover is used when there is no X2 interface between source and target eNodeBs

Answer : C

Nokia 4A0-M03 Nokia Mobility Manager Exam Practice Test