Nokia Nokia Certifications 4A0-M03 Questions & Answers

• Question 31:

  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

  Correct Answer: D

• Question 32:

  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.

  Correct Answer: B

  Reference: https://www.mpirical.com/glossary/gbr-guaranteed-bit-rate

• Question 33:

  Which of the following regarding an EPS dedicated bearer is FALSE?

  A. It can be a GBR bearer.

  B. It can be a non-GBR bearer.

  C. MME obtains the dedicated bearer QoS parameters from HSS.

  D. MME sends the dedicated bearer QoS parameters to eNodeB.

  Correct Answer: D

  Reference: https://www.sciencedirect.com/topics/computer-science/dedicated-bearer

• Question 34:

  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

  Correct Answer: A

• Question 35:

  Which of the following statements regarding GTP-C is FALSE?

  A. GTP-C is a tunneling protocol.

  B. GTP-C runs over UDP/IP.

  C. GTP-C is the control plane part of GTP.

  D. GTP-C messages carry Attribute Value Pairs (AVPs).

  Correct Answer: C

  Reference: https://en.wikipedia.org/wiki/GPRS_Tunnelling_Protocol#GTP-C_-_GTP_control

• Question 36:

  Which of the following MME interfaces uses a protocol OTHER than GTP-C or Diameter?

  A. S1-MME

  B. S11

  C. S6a

  D. SLg

  Correct Answer: A

  Reference: https://www.cablefree.net/wirelesstechnology/4glte/lte-interfaces/

• Question 37:

  Which of the following is a Diameter interface connected to the MME?

  A. S1-MME

  B. S11

  C. Gx

  D. SLg

  Correct Answer: B

• Question 38:

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

  A. MME manages registration, authentication, and mobility for the UE.

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

  C. MME routes and forwards user data packets received from eNodeB.

  D. MME selects the appropriate SGW and PGW during a UE relocation.

  Correct Answer: C

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

• Question 39:

  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

  Correct Answer: C

• Question 40:

  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.

  Correct Answer: D