Nokia 4A0-M03 問題練習

Question No : 1
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 U
• 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 EP
• D.A dedicated bearer uses the same IP address that was allocated for the associated default bearer.

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

Question No : 2
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

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正解:

Question No : 3
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 MM
• D.A tracking area list is a logical set of MMEs.

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正解:

Question No : 4
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.

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正解:

Question No : 5
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 SG
• 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.

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正解:

Question No : 6
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

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正解:

Question No : 7
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 U
• B.MME handles setup and management of UE connections to data and voice over LT
• C.MME routes and forwards user data packets received from eNode
• D.MME selects the appropriate SGW and PGW during a UE relocation.

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

Question No : 8
Which of the following is a Diameter interface connected to the MME?

• A.S1-MME
• B.S11
• C.Gx
• D.SLg

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正解:

Question No : 9
Which of the following MME interfaces uses a protocol OTHER than GTP-C or Diameter?

• A.S1-MME
• B.S11
• C.S6a
• D.SLg

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

Question No : 10
Which of the following statements regarding GTP-C is FALSE?

• A.GTP-C is a tunneling protocol.
• B.GTP-C runs over UDP/I
• C.GTP-C is the control plane part of GT
• D.GTP-C messages carry Attribute Value Pairs (AVPs).

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