4A0-M02 Online Practice Questions and Answers

On the Alcatel-Lucent 7750 PGW, which of the following is the default setting of the APN "selectionmode"?

A. ms-provided-apn

B. network-provided-apn

C. subscribed-apn

D. virtual-apn

E. None of the above answers are correct

How many S11 GTP-C tunnels are established for a UE having:

-

One default bearer to APN1, and

-

One dedicated bearer to APN1, and

-

One default bearer to APN2, and

-

Two dedicated bearers to APN2?

A.

One

B.

Two

C.

Three

D.

Four

E.

Five

Based on the information shown in the exhibit, which procedure has been executed on the SGW?

A. UE Triggered Service Request procedure

B. Network Triggered Service Request procedure

C. UE Initiated Dedicated Bearer Activation procedure

D. Network Initiated Dedicated Bearer Activation procedure

During a UE detach procedure, which commands are exchanged over the gx interface?

A. Delete Session Request / Delete Session Answer

B. Credit Control Request Terminate/Credit Control Answer Terminate

C. Release Session Request / Release Session Answer

D. Credit Control Request Release / Credit Control Answer Release

A UE is sending best-effort (BE) IP traffic to a PDN server over the EPC core. Based on the information shown in the exhibit, what is the DSCP value of traffic egressing the SGi interface of the PGW to the PDN server?

A. BE

B. EF

C. AF21

D. NC

E. None of the above answers are correct.

Which of the following statements is FALSE regarding the support of MG-ISM redundancy on an Alcatel-Lucent 7750 MG?

A. MG-ISM redundancy is supported on Alcatel-Lucent 7750 SGW.

B. MG-ISM redundancy is supported on Alcatel-Lucent 7750 PGW.

C. MG-ISM 1+1 redundancy model is supported on Alcatel-Lucent 7750 MG.

D. MG-ISM one-to-many redundancy model is supported on Alcatel-Lucent 7750 MG.

E. None of the above statements are false.

On an Alcatel-Lucent 7750 MG, which of the following best describes the protect-active-delay timer configured for an MG-ISM group?

A. This timer indicates the time that the working card waits before it declares itself active after a node restart.

B. This timer indicates the time that the protection card waits before it declares itself active during an MGISM switchover.

C. This timer indicates the time that the working card waits before it declares itself active after an MG-ISM switchover to the protection card has been performed.

D. This timer indicates the time that the protection card waits before it declares itself active if the working card does not come up after a node restart.

On Alcatel-Lucent 7750 PGW, which of the following CLI commands can be used to debug a given IMSI?

A. debug mobile-gateway pdn 1 pdn-session imsi 226041000000008

B. debug mobile-gateway pdn 1 pdn-session-db imsi 226041000000008

C. debug mobile-gateway pdn 1 pdn-session imsi 226041000000008 apn ipd.alcatel-lucent.com

D. debug mobile-gateway pdn 1 pdn-session-db imsi 226041000000008 apn ipd.alcatel-lucent.com

E. Answers A and C are both correct.

F. Answers B and D are both correct.

Which of the following statements are FALSE regarding the SDF templates / filters? (Choose two)

A. One dedicated bearer can have more than one SDF template.

B. One SDF template can have only one SDF filter for each direction.

C. One dedicated bearer can have more than one SDF template and multiple SDF filters.

D. One dedicated bearer can have only one SDF template.

E. One SDF template can have multiple SDF filters for each direction.

On the Alcatel-Lucent 7750 SGW, which of the following is the CLI command to check the "UP / IDLE" state for the GTP path to a PGW?

A. Show mobile-gateway serving ref-point-peers s5

B. Show mobile-gateway serving ref-point-stats s5

C. Show mobile-gateway serving ref-point-peers s1u

D. Show mobile-gateway serving path-mgmt s5

E. None of the above answers are correct.

Assume that dynamic PCC rules are used on the PGW. When an AF server initiates the establishment of a dedicated bearer for a UE, which of the following messages are exchanged between the PCRF and the PCEF?

A. The RAR/RAA messages

B. The CSR/CSResp messages

C. The CCR/CCA messages.

D. The CSR/CSResp and the CCR/CCA messages

E. The CSR/CSResp and the RAR/RAA messages.

When a UE is roaming, which of the following interfaces is used when the visiting SGW needs to communicate with the UE's home PGW?

A. TheS1 interface.

B. The S5 interface.

C. The S8 interface.

D. The S10 interface.

E. The SGi interface.

Which of the following statements is FALSE regarding the EPS bearers?

A. An EPS bearer is either a GBR bearer or a Non-GBR bearer.

B. An EPS bearer is either a default bearer or a dedicated bearer.

C. A dedicated bearer can be a GBR or a Non-GBR bearer.

D. A default bearer can be a GBR or a Non-GBR bearer.

E. A UE can have multiple GBR or Non-GBR bearers.

Based on the information shown in the exhibit, when the SGW sends a "Create Session Request" message to the PGW, which of the following is the source IP address expected in the IP packet?

A. 10.10.2.1

B. 10.10.7.1

C. 20.20.0.1

D. 72.22.24.163

E. None of the above answers are correct

On the Alcatel-Lucent 7750 MG, which of the following is the CLI command to check the active / standby state of the MG-ISM cards?

A. Show card detail

B. Show mda detail

C. Show card state

D. Show system information

E. Show mobile-gateway system