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Q49. Which of the following statements is FALSE regarding the MG-ISM module on an Alcatel-Lucent 7750 MG?
A. The MG-ISM module implements the PCC rules for the EPS bearers.
B. The MG-ISM module can be configured as a SGW/SGSN or a PGW/GGSN.
C. The MG-ISM module enforces the QoS rules for the EPS bearers.
D. On an Alcatel-Lucent 7750 MG, two MG-ISM modules can be configured as 1+1 redundant.
E. The switchover from the active MG-ISM card to the standby MG-ISM card has no impact on other EPC nodes
Answer: B
Q50. Which of the following statements is FALSE regarding the SGW handling of an incoming GTP packet with a TEID value of zero?
A. The ingress IOM card forwards the received packet to the active CPM card.
B. After processing the received packet, the MG-ISM card creates a response and sends it to the active CPM card
C. The CPM card forwards the packet to an active MG-ISM card.
D. The MG-ISM card creates the proper contexts and assigns the required TED values.
E. None of the above statements are false.
Answer: B
Q51. Which of the following statements is FALSE regarding the EPC QoS parameters?
A. The Guaranteed Bit Rate (GBR) is the traffic rateexpectedto be provided by a GBR bearer.
B. The MBR is the maximum bit rateexpectedto be provided by a GBR bearer.
C. The PGW enforces the APN-AMBR in the DL direction.
D. The APN-AMBR limits the traffic rate on a per bearer basis.
E. The APN-AMBR in the UL direction is enforced in the UE and additionally in the PGW.
Answer: D
Q52. 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.
Answer: B,D
Q53. Based on the information shown in the exhibit, and assuming this is the only bearer present, what is the action taken by the SGW when:
-
The SGW receives a GTP packet over its S5 interface, and
-
The TEID value in the GTP header is set to 0x802d25?
A.
The packet is forwarded to the eNodeB
B.
The packet is buffered.
C.
The packet is dropped.
D.
The packet is forwarded to the MME.
Answer: C
Explanation:
Q54. Based on the information shown in the exhibit, when the SGW sends an uplink user IP packet to the PGW, which of the following is the GTP TEID value expected in the GTP packet header?
A. 0xd05425
B. 0x4f00805
C. 0x21
D. 0x4f00825
E. None of the above answers are correct
Answer: A
Q55. Based on the information shown in the exhibit, when the SGW sends a downlink user data packet to the UE, 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
Answer: D
Which of the following statements is FALSE regarding the SGW?
A. A UE may be served by more than one SGW at a given time.
B. The SGW is connected to the E-UTRAN via the S1-u interface.
C. The SGW may provide data plane connectivity between two eNodeBs.
D. The SGW connects to the PGW via the S5/S8 interface.
E. The SGW acts as a common anchor point during handovers between LTE and Release 8 UMTS networks.
Answer: A
Q56. 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 MG-ISM 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.
Answer: D