Which of the following messages are exchanged between the MME and the SGW during the UE attachment procedure? (Choose two)
A. Create Session Request / Create Session Response
B. Credit Control Request / Credit Control Answer
C. Attach Request/Attach Accept
D. Update Bearer Request / Update Bearer Response
E. Modify Bearer Request / Modify Bearer Response
Based on the information shown in the exhibit, what is the TEID value 0x37 used for?

A. This TEID value is used by the source eNodeB when sending downlink data traffic to the target eNodeB.
B. This TEID value is used by the target eNodeB when sending uplink data traffic to the SGW.
C. This TEID value is used by the source eNodeB when sending downlink data traffic to the SGW.
D. This TEID value is used by the SGW when sending downlink data traffic to the source eNodeB.
E. This TEID value is used by the SGW when sending downlink data traffic to the target eNodeB.
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
Which of the following statements is FALSE regarding the EPC QoS parameters?
A. The Guaranteed Bit Rate (GBR) is the traffic rate expected to be provided by a GBR bearer.
B. The MBR is the maximum bit rate expected to 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.
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 TRUE when the Alcatel-Lucent 7750 MG receives a GTP packet that has a valid TEID?
A. The ingress IOM forwards the packet directly to the MG-ISM module for further processing.
B. The ingress IOM drops the packet.
C. The ingress IOM forwards the packet to the CPM for further processing.
D. The Alcatel-Lucent 7750 MG forwards the packet to its IP destination by looking into the local IP routing table.
E. None of the above answers are correct.
Based on the information shown in the exhibit, what is the TEID value 0xd06015 used for?

A. This TEID value is used by the source eNodeB when sending uplink data traffic to the SGW.
B. This TEID value is used by the target eNodeB when sending uplink data traffic to the SGW.
C. This TEID value is used by the source eNodeB when sending downlink data traffic back to the SGW.
D. This TEID value is used by the SGW when sending downlink data traffic to the source eNodeB.
E. This TEID value is used by the SGW when sending downlink data traffic to the target eNodeB.
What is the purpose of indirect data tunnels established for a particular UE?
A. The indirect data tunnels are used during handovers to forward downlink data from the target eNodeB to the source eNodeB.
B. The indirect data tunnels are used during handovers to forward uplink data from the target eNodeB to the source eNodeB.
C. The indirect data tunnels are used during handovers to forward downlink data from the source eNodeB to the target eNodeB.
D. The indirect data tunnels are used during handovers to forward uplink data from the source eNodeB to the target eNodeB.
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.
In an LTE network, which of the following is used to carry the GTP message "Create Session Request"?
A. The GTPv1 protocol.
B. The GTPv2 protocol.
C. Both the GTPv1 and the GTPv2 protocols.
D. Either the GTFV1 protocol or the GTPv2 protocol.
E. None of the above answers are correct.