4A0-M02 Online Practice Questions and Answers

An Alcatel-Lucent SGW is only connected to an Alcatel-Lucent PGW. Based on the information shown in the exhibit, how many GTP-C tunnels are established between the SGW and the PGW?

A. 1

B. 2

C. 3

D. 4

E. 6

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.

During an S1-based handover with MME relocation, which network entity requests the creation of an indirect data forwarding tunnel by sending a "Create Indirect Data Forwarding Tunnel Request" message to the SGW?

A. The source MME.

B. The target MME.

C. The source eNodeB.

D. The target eNodeB.

Which of the following LTE interfaces are used for the communication of control messages? (Choose one best answer)

A. The S1-MME interface and the S11 interface.

B. The S5 interface.

C. The Gx interface.

D. The LTE-Uu interface and the Rx interface.

E. All of the above answers are correct.

F. Only answers A, B and C are correct.

During a service request procedure, which message is sent by the MME over the S11 interface to provide the SGW with the eNodeB address and eNodeB S1-U TEID?

A. Downlink Data Notification

B. Downlink Data Notification Ack

C. Modify Bearer Request

D. Modify Bearer Response

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 interfaces is not using the GTP-C protocol?

A. TheS11 interface

B. The S1-MME interface

C. The S10 interface

D. The S5 interface

E. The S8 interface

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. On the SGW, there is only one GTP-C tunnel over the S5 interface to handle all the bearers to reach the same PGW.

D. A GTP-C tunnel may be associated with multiple GTP-U tunnels over the S5 interface.

E. There is a one-to-one mapping between the S1 bearer and the S1-U GTP-U tunnel.

Which of the following most accurately describes the CPM modules on an Alcatel-Lucent 7750 MG?

A. The CPM modules are responsible for load balancing the EPS bearers.

B. The CPM modules always choose the same MG-ISM group to handle all the bearers of a given UE.

C. Two CPM modules can be installed on an Alcatel-Lucent 7750 MG node. One CPM is in active state while the other is in hot-standby state.

D. The CPM module also includes the Switch Fabric function for the Alcatel-Lucent 7750 MG.

E. All of the above answers are correct.

A HE (HTTP client) is communicating with an HTTP server over The EPC core Based on the information

shown in the exhibit, what is the maximum HTTP traffic rate that the UE may have in the DL direction?

A. 10000 kbps

B. 15000 kbps

C. 20000 kbps

D. 30000 kbps

E. 55000 kbps

F. None of the above answers are correct.