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).
C
Explanation:
Reference: https://en.wikipedia.org/wiki/GPRS_Tunnelling_Protocol#GTP-C_-_GTP_control
Which of the following MME interfaces uses a protocol OTHER than GTP-C or Diameter?
- A . S1-MME
- B . S11
- C . S6a
- D . SLg
A
Explanation:
Reference: https://www.cablefree.net/wirelesstechnology/4glte/lte-interfaces/
Which of the following is a Diameter interface connected to the MME?
- A . S1-MME
- B . S11
- C . Gx
- D . SLg
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.
C
Explanation:
Reference: https://en.wikipedia.org/wiki/System_Architecture_Evolution
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 Cname sctp-profile CrtoMin 100 CrtoMax 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 best defines S-TMSI?
- A . A permanent, unique identification of a mobile subscriber in the GSM/UMTS/EPS system.
- B . A network that provides mobile communication services to the public.
- C . A globally unique temporary mobile identifier used to hide the subscriber’s real permanent identity.
- D . An identifier assigned by the MME that uniquely identifies a UE within an MME pool.
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 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.
B
Explanation:
Reference: https://www.mpirical.com/glossary/gbr-guaranteed-bit-rate