On the Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to check the message statistics between the PGW and the PCRF?
A. Show mobile-gateway pdn ref-point-peers gn
B. Show mobile-gateway pdn pdn-context
C. Show mobile-gateway pdn ref-point-peers gx
D. Show mobile-gateway pdn ref-point-stats gx
E. Show mobile-gateway pdn ref-point-stats ga
正解:D
質問 2:
On Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to verify the EPS procedures being performed on the mobile gateway?
A. Show mobile gateway pdn call-flows
B. Show mobile-gateway pdn call-flow-statistics
C. Show mobile-gateway pdn 1 call-flow-statistics
D. Show mobile-gateway pdn call-flow-stats
正解:D
質問 3:
Which of the following statements is FALSE regarding the GTP tunnel?
A. The GTP-C tunnel is used to carry the signaling messages.
B. The GTP-U tunnel is used to carry the user data.
C. There is a one-to-one mapping between the S1 bearer and the S1-U GTP-U tunnel.
D. On the SGW, there is only one GTP-C tunnel over the S5 interface to handle all the bearers to reach the same PGW.
E. A GTP-C tunnel may be associated with multiple GTP-U tunnels over the S5 interface.
正解:D
質問 4:
Which of the following parameters best describes the rate-limiting associated with a Non-GBR bearer?
A. The MBR
B. The APN-AMBR
C. The APN-AMBR and the UE-AMBR
D. The UE-AMBR
E. The GBR and the MBR
正解:C
質問 5:
When MG-ISM redundancy is used on an Alcatel-Lucent 7750 MG, which of the following statements is FALSE?
A. None of the above statements are false.
B. The redundancy is non-revertive.
C. EPS bearers are synchronized between the active and standby MG-ISM cards.
D. An MG-ISM switchover has no impact on connected users.
E. An MG-ISM switchover has no impact on network element peers.
正解:A
質問 6:
Which of the following statements is TRUE when a registered UE goes idle?
A. All UE resources are freed on the MME.
B. All UE resources are freed on the eNode
C. The UE triggers the S1 Release procedure
D. All UE resources are freed on the SGW.
E. None of the above statements are true.
正解:B
質問 7:
There is an active GTP path between an Alcatel-Lucent SGW and an Alcatel-Lucent PGW, On the SGW. Which of the following CLI commands is used to check the "Restart Count" value of the PGW?
A. None of the above answers are correct.
B. show mobile-gateway serving path-mgmt-stats s5
C. show mobile-gateway serving bearer-stats s5
D. show mobile-gateway serving ref-point-stats s5
E. show mobile-gateway serving ref-point-peers s5
正解:B
質問 8:
A UE is exchanging best-effort (BE) IP traffic with a PDN server over an EPS bearer with a QCI/ARP value of 9/12. Based on the information shown in the exhibit, what is the DSCP value of traffic egressing the S5 interface of the PGW to the SGW?
A. EF
B. NC
C. BE
D. None of the above answers are correct
E. AF21
正解:A
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