Which of the following LTE interfaces are used for the communication of control messages? (Choose one best answer)
Answer : E
The S1-MME is the interface used for the communication between the eNodeB and the
MME. Which of the following transport protocols is used by this interface?
Answer : D
Based on the information shown in the exhibit, how many mobile subscribers is the PGW currently serving?
Answer : C
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?
Answer : A
Which of the following is used to carry the GTP Path Management message "Echo
Request"?
Answer : D
Which of the following are Diameter-based interfaces?
Answer : B
Which of the following statements is FALSE regarding the X2 interface?
Answer : D
Which of the following statements is TRUE when the Alcatel-Lucent 7750 MG receives a
GTP packet that has a valid TEID?
Answer : A
Based on the information shown in the exhibit, which of the following is the time interval used by the SGW to retransmit a GTP signaling message?
Answer : B
A PGW may use various methods to assign an IP address to a UE. Which of the following methods is supported on Alcatel-Lucent 7750 PGW? (Choose the best answer)
Answer : F
Based on the information shown in the exhibit, which of the following is TRUE when the
PGW receives a "Create Session Request" with the "APN Restriction" set to "Private1"?
Assume everything else is in working condition.
Answer : A
Which of the following messages are exchanged between the PGW and the PCRF during the UE attachment procedure?
Answer : B
After a UE attachment procedure, which GTP-U tunnels are established for the UE?
Answer : B
Which of the following resources are freed when a registered UE goes idle? (Choose 2)
Answer : A,C