4A0-M02.alcatel-lucent - GRATIS EXAM · 2018. 3. 1. · A. An EPS bearer may be associated with more than one QCI value. B. A new QCI policy can be defined on the Alcatel-Lucent 7750

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4A0-M02.alcatel-lucent

Number: 4A0-M02Passing Score: 800Time Limit: 120 min



Exam A

QUESTION 1On the Alcatel-Lucent 7750 PGW, which of the following is the default setting of the APN "selection-mode"?

A. ms-provided-apn

B. network-provided-apn

C. subscribed-apn

D. virtual-apn

E. None of the above answers are correct

Correct Answer: CSection: (none)Explanation

Explanation/Reference:

QUESTION 2Which 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

Correct Answer: AESection: (none)Explanation



QUESTION 3During the establishment of a default bearer, which of the following statements are TRUE regarding the TEID-U assigned by the eNodeB to the S1-U tunnel?(Choose two)

A. The eNodeB includes this TEID-U value in the Create Session Request message sent to the SGW over the S1 interface.

B. The eNodeB includes this TEID-U value in the Attach Request message sent to the MME over the S1-MME interface.

C. The MME includes this TEID-U value in the Create Session Request message sent to the SGW over the S11 interface.

D. The MME includes this TEID-U value in the Modify Bearer Request message sent to the SGW over the S11 interface.

E. The eNodeB includes this TEID-U value in the Attach Complete message sent to the MME over the S1-MME interface.

F. The eNodeB includes this TEID-U value in the Modify Bearer Request message sent to the SGW over the S1 interface.

Correct Answer: DESection: (none)Explanation


QUESTION 4On Alcatel-Lucent 7750 PGW, which of the following CLI commands can be used to check the IP addresses assigned to a particular UE?

A. Show mobile-gateway pdn pdn-context

B. Show mobile-gateway serving pdn-context imsi detail

C. Show mobile-gateway pdn ue-context

D. Show mobile-gateway pdn ue-context imsi detail

E. Show mobile-gateway pdn bearer-context

F. Show mobile-gateway pdn bearer-context imsi detail

Correct Answer: ASection: (none)Explanation


QUESTION 5How many S11 GTP-C tunnels are established for a UE having:


- One default bearer to APN1, and- One dedicated bearer to APN1, and- One default bearer to APN2, and- Two dedicated bearers to APN2?

A. One

B. Two

C. Three

D. Four

E. Five



QUESTION 6Based 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.

Correct Answer: CSection: (none)


Explanation


QUESTION 7Based on the information shown in the exhibit, 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 0xd06c05?

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.

Correct Answer: B


Section: (none)Explanation


QUESTION 8Based on the information shown in the exhibit, which procedure has been executed on the SGW?


A. UE Triggered Service Request procedure

B. Network Triggered Service Request procedure

C. UE Initiated Dedicated Bearer Activation procedure

D. Network Initiated Dedicated Bearer Activation procedure

Correct Answer: B




QUESTION 9Based on the information shown in the exhibit, what type of handover is performed when the UE moves from eNodeB2 to eNodeB4?


A. X2-based handover without SGW relocation

B. X2-based handover with SGW relocation

C. X2-based handover with MME relocation

D. S1-based handover with SGW relocation

E. S1-based handover with MME relocation

Correct Answer: BSection: (none)Explanation


QUESTION 10Which entity decides when a handover procedure needs to be performed?

A. The UE.

B. The source eNodeB.

C. The target eNodeB.

D. The MME.

E. The SGW.



QUESTION 11Which network entities assign TEIDs to the indirect data tunnel used during an S1-based handover with no SGW relocation?



A. The source eNodeB and the SGW.

B. The source eNodeB, the SGW, and the target eNodeB.

C. The SGW and the target eNodeB.

D. The source eNodeB and the target eNodeB.



QUESTION 12Based 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.

Correct Answer: ESection: (none)Explanation


QUESTION 13During an S1-based handover with MME relocation, which network entity requests the creation of an indirect data forwarding tunnel by sending a "Create IndirectData Forwarding Tunnel Request" message to the SGW?

A. The source MME.

B. The target MME.

C. The source eNodeB.

D. The target eNodeB.



QUESTION 14During 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




QUESTION 15Which of the following statements are TRUE regarding the Predefined PCC rules? (Choose two)

A. The Predefined PCC rules are preconfigured on the PCRF.

B. The Predefined PCC rules are preconfigured on the PCEF.

C. The Predefined PCC rules are preconfigured on the MME.

D. The Predefined PCC rules are activated or deactivated by the PCEF at any time.

E. The Predefined PCC rules are activated or deactivated by the PCRF at anytime.

Correct Answer: BESection: (none)Explanation


QUESTION 16Assume that dynamic PCC rules are used on the PGW. When the UE sends a request to establish a dedicated bearer, which of the following messages areexchanged between the PCRF and the PCEF?

A. The RAR/RAA messages.

B. The CSR/CSResp messages.

C. The CCR/CCA messages.

D. The CSR/CSResp and the CCR/CCA messages.

E. The CSR/CSResp and the RAR/RAA messages



QUESTION 17A dedicated bearer 6 has a total of six SDF filters. Based on the information shown in the exhibit, which of the following is the right order to apply the filters to thedownlink traffic?


A. The filters: 0 (first), 1, 2, 3, 4, 5 (last).

B. The filters: 2 (first), 3, 0, 1, 4, 5 (last).

C. The filters: 0 (first), 2, 4 (last).

D. The filters: 3 (first), 5, 1 (last).


E. The filters: 0 (first), 4, 2 (last).

F. The filters: 2 (first), 4, 0 (last).

Correct Answer: FSection: (none)Explanation


QUESTION 18Which of the following statements are TRUE regarding the SDF templates /filters? (Choose three)

A. An SDF filter can identify an SDF flow by matching the information in the IP 5-tuple and the Layer-7 application

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,

F. One dedicated bearer can have more than one SDF template.

Correct Answer: CEFSection: (none)Explanation


QUESTION 19A UE is sending data to its FTP server over the EPC core with the TCP port 20. Based on the information shown in the exhibit, which of the following bearer(s) willbe used for the uplink FTP flow?


A. The bearer # 5 will be used for the FTP flow.

B. The bearer #6 will be used for the FTP flow.

C. The bearer #7 will be used for the FTP flow.

D. Both bearer # 5 and bearer # 6 will be used for the FTP flow.

E. Both bearer #5 and bearer #7 will be used for the FTP flow.



QUESTION 20Which 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.

Correct Answer: DSection: (none)Explanation


QUESTION 21Which of the following parameters best describes the rate-limiting associated with a Non-GBR bearer?


A. The GBR and the MBR

B. The APN-AMBR

C. The MBR

D. The UE-AMBR

E. The APN-AMBR and the UE-AMBR



QUESTION 22Which of the following statements is FALSE regarding the QCI / ARP?

A. An EPS bearer may be associated with more than one QCI value.

B. A new QCI policy can be defined on the Alcatel-Lucent 7750 MG to overwrite the default one.

C. A default QCI/ARP policy is predefined on the Alcatel-Lucent 7750 MG and cannot be modified.

D. A default bearer cannot be associated with a QCI value of 4.

E. The QCI has 9 classes and the ARP has 15 levels.



QUESTION 23Based on the information shown in the exhibit, which of the following is the MBR/GBR value for Bearer 6 in the DL direction?


A. 15000/10000 kbps

B. 30000/20000 kbps

C. 45000/30000 kbps

D. 60000/40000 kbps

E. None of the above answers are correct.



QUESTION 24A 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 trafficegressing the SGi interface of the PGW to the PDN server?


A. BE

B. EF

C. AF21

D. NC




QUESTION 25On the Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to check the contents of the SDF filters enforced on the PGW for a particular UE?


B. Show mobile-gateway pdn pdn-context imsi detail

C. Show mobile-gateway pdn bearer-context

D. Show mobile-gateway pdn bearer-context imsi detail

E. Show mobile-gateway pdn ue-context

F. Show mobile-gateway pdn ue-context imsi detail



QUESTION 26Which of the following does not apply during the CPM selection of an MG-ISM card?

A. The CPM load balances amongst all configured MG-ISM groups.

B. The CPM load balances based on the number of sessions currently handled by each MG-ISM group

C. All sessions established for a given UE are handled by the same MG-ISM group.

D. The selected MG-ISM card is responsible for bearer management and TEID assignment.

E. All of the above statements apply.




QUESTION 27Which of the following statements is FALSE regarding the support of MG-ISM redundancy on an Alcatel-Lucent 7750 MG?

A. MG-ISM redundancy is supported on Alcatel-Lucent 7750 SGW.

B. MG-ISM redundancy is supported on Alcatel-Lucent 7750 PGW.

C. MG-ISM 1+1 redundancy model is supported on Alcatel-Lucent 7750 MG.

D. MG-ISM one-to-many redundancy model is supported on Alcatel-Lucent 7750 MG.

E. None of the above statements are false.



QUESTION 28Which of the following statements is FALSE regarding the keep alive messages exchanged between the CPM card and an MG-ISM card?

A. The keep alive messages are exchanged between the CPM card and the active MG-ISM card.

B. The keep alive messages are exchanged between the CPM card and the standby MG-ISM card

C. The keep alive messages are exchanged between the active and standby MG-ISM cards.

D. The CPM card considers the MG-ISM card down if it misses 3 keep alive messages.




QUESTION 29On Alcatel-Lucent 7750 SGW, which of the following statements is FALSE regarding the debugging of a given IMSI?

A. The debugging allows the operator to analyze information and messages related to a given IMSI in real-time.

B. The APN value must be specified in the debug command.

C. The output may be filtered per APN or per reference point.

D. The debugging supports three levels of tracing detail.




QUESTION 30Based on the information shown in the exhibit, which of the following statements is FALSE?

A. Gx commands are not being exchanged with the PCRF peer.

B. EPS bearers can be successfully established to this PGW.

C. The TCP connection to the PCRF peer is not established.


D. Watchdog messages are not being exchanged with the PCRF peer.




QUESTION 31On 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-flow-statistics

B. Show mobile gateway pdn call-flows

C. Show mobile-gateway pdn call-flow-stats

D. Show mobile-gateway pdn 1 call-flow-statistics



QUESTION 32Which of the following statements is FALSE regarding the configuration of Key Performance Indicator/Key Capacity Indicator (KPI/KCI) on an Alcatel-Lucent 7750MG?

A. The mobile-gateway instance must be shutdown before enabling the stats collection

B. A log file must be configured.

C. An accounting policy must be configured.

D. Only one record can be configured in a policy.


E. Only one policy can be assigned to a serving/pdn instance.

F. None of the above statements are false.



QUESTION 33Based on the information shown in the exhibit, which of the following statements is FALSE?

A. The collection interval is set to 30 minutes.


B. The number of active bearers at the end of this interval is 307

C. The stats are collected from MG-ISM card 5.

D. The number of idle users at the end of this interval is 10




QUESTION 34In a 3G network, which of the following statements most accurately describes the user data plane between a UE and the GGSN when a direct tunnel is not used?

A. A Radio Access Bearer between the UE and the NodeB, a GTP tunnel between the NodeB and the SGSN, and another GTP tunnel between the SGSN and theGGSN.

B. A Radio Access Bearer between the UE and the SGSN and a GTP tunnel between the SGSN and the GGSN.

C. A GTP tunnel between the UE and the GGSN.

D. A Radio Access Bearer between the UE and the RNC, a GTP tunnel between the RNC and the SGSN, and another GTP tunnel between the SGSN and theGGSN.




QUESTION 35Which 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.



QUESTION 36The 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?

A. The Transmission Control Protocol (TCP)

B. The User Datagram Protocol (UDP)

C. The TCP or the UDP

D. The Stream Control Transmission Protocol (SCTP)




QUESTION 37Based on the information shown in the exhibit, how many mobile subscribers is the PGW currently serving?


A. 1

B. 2

C. 3

D. 5

E. 6

F. Unable to determine based on the provided information.



QUESTION 38Based 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 expectedin the GTP packet header?


A. 0xd05425

B. 0x4f00805

C. 0x21

D. 0x4f00825


Correct Answer: ASection: (none)


Explanation


QUESTION 39Which of the following is used to carry the GTP Path Management message "Echo Request"?

A. TheGTPv1 protocol.

B. The GTPv2 protocol.

C. The TCP protocol.

D. TheGTPv1 protocol or the GTPv2 protocol.




QUESTION 40Which of the following are Diameter-based interfaces?


A. The RF and the S10 interfaces.

B. The RF and the Gx interfaces.

C. The Rx and the S4 interfaces.

D. The Rx and the SGi interfaces.

E. The S9 and the S11 interfaces.




QUESTION 41Which of the following statements is FALSE regarding the X2 interface?

A. It is the interface used to connect two eNodeBs.

B. It provides some mobility management functions between two eNodeBs.

C. The X2-AP is the application layer signaling protocol for the X2 interface.

D. It is never used to transport user data packets.

E. It is an IP-based interface.



QUESTION 42Which 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.




QUESTION 43Based 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?


A. 3 seconds

B. 5 seconds

C. 6 seconds

D. 60 seconds

E. 90 seconds



QUESTION 44A 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 bestanswer)


A. local-pool

B. hss-static

C. Radius / Diameter server.

D. PCRF server

E. All of the above answers are correct

F. Only answers A, B and C are correct



QUESTION 45Based 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.


A. The "Create Session Request" is rejected by the PGW and no bearer is created.

B. The "Create Session Request" is accepted by the PGW and the bearer is created successfully.

C. The APN cannot be configured with an "APN Restriction" value of "Private1".

D. The "Create Session Request" cannot have an "APN Restriction" value of "Private1".




QUESTION 46Which of the following messages are exchanged between the PGW and the PCRF during the UE attachment procedure?


A. Authorization Control Request/ Authorization Control Answer

B. Credit Control Request / Credit Control Answer

C. Create Session Request/ Create Session Answer

D. Attach Request/Attach Answer



QUESTION 47After a UE attachment procedure, which GTP-U tunnels are established for the UE?

A. S1-MME GTP-U tunnel and S5 GTP-U tunnel.

B. S1-U GTP-U tunnel and S5 GTP-U tunnel.

C. S1-U GTP-U tunnel. S5 GTP-U tunnel, and Gx GTP-U tunnel.

D. S1-U GTP-U tunnel and Gx GTP-U tunnel.

E. No GTP-U tunnels are established.



QUESTION 48Which of the following resources are freed when a registered UE goes idle? (Choose 2)

A. S1-MME signaling connection

B. S11GTP-C tunnel

C. S1 GTP-U tunnel

D. S5 GTP-C tunnel

E. S5 GTP-U tunnel


Correct Answer: ACSection: (none)Explanation


QUESTION 49During 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-UTEID?


A. Downlink Data Notification

B. Downlink Data Notification Ack

C. Modify Bearer Request

D. Modify Bearer Response



QUESTION 50On Alcatel-Lucent 7750 SGW, which of the following CLI commands can be used to check the number of times a handover procedure has been performed for aparticular UE?

A. Show mobile-gateway serving call-flow-stats


C. Show mobile-gateway serving ue-context imsi detail

D. Show mobile-gateway serving bearer-context imsi detail

E. Show mobile-gateway serving ref-point-stats s11




QUESTION 51Which of the following statements is FALSE regarding the S1-based handover?

A. The SGW may be relocated.

B. The MME may be relocated.

C. Direct data forwarding via the X2 interface may be used.

D. Indirect data forwarding via the SGW may be used.




QUESTION 52Based 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.




QUESTION 53Based on the information shown in the exhibit, how many IP addresses has the PGW allocated in total for all UEs?

A. 6

B. 5

C. 4

D. 3

E. 2

F. 1



QUESTION 54Which 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



QUESTION 55Which 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.



QUESTION 56Which of the following is the message used to detect a transport failure over a Diameter connection?

A. The Capabilities-Exchange message

B. The Device-Watchdog message

C. The Credit-Control message

D. The Disconnect-Peer message





QUESTION 57Which 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.



QUESTION 58On Alcatel-Lucent 7750 SGW, which of the following CLI commands can be used to check the TEID-U values assigned to an EPS bearer for a particular UE?


A. Show mobile-gateway serving pdn-context


C. Show mobile-gateway serving ue-context

D. Show mobile-gateway serving ue-context imsi detail

E. Show mobile-gateway serving bearer-context


F. Show mobile-gateway serving bearer-context imsi detail



QUESTION 59Which of the following statements is FALSE regarding the Network Initiated Dedicated Bearer Activation procedure?

A. A Create Bearer Request message is sent from PGW to SGW.

B. An AA Request message is sent from AF to PCRF.

C. A Bearer Setup Request message is sent from SGW to MME.

D. A Re-Authorization Request message is sent from PCRF to PGW.



QUESTION 60Based on the information shown in the exhibit, which of the following statements is TRUE regarding the UE state and its default bearer?


A. The UE is in the active state. The default EPS bearer is fully established.

B. The UE is in the active state. The default EPS bearer is not fully established.

C. The UE is in the idle state. The default EPS bearer is fully established.

D. The UE is in the idle state. The default EPS bearer is not fully established.

Correct Answer: D




QUESTION 61Which of the following statements is FALSE regarding the service request procedure?

A. The UE is always paged during a service request procedure.

B. The S1-MME signaling connection is reestablished for the UE as a result of a service request procedure.

C. The radio bearers are reestablished for the UE as a result of a service request procedure.

D. The S1 GTP-U tunnels are reestablished for the UE as a result of a service request procedure.




QUESTION 62Which 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.



QUESTION 63


Which of the following statements is FALSE regarding the triggers of the Tracking Area Update (TAU) messages?

A. A TAU is sent when an active UE moves into a new TA that is not in the UE's current Tracking Area Identity (TAI) list.

B. A TAU is sent when a UE moves from the 2G/3G network back to the LTE network.

C. A TAU is sent when an idle UE moves into a new TA that is not in the UE's current TAI list.

D. A TAU is required to be sent periodically.

E. A TAU is never required as long as an idle UE stays in the same TA.



QUESTION 64Which of the following statements is TRUE when a UE is in the EMM_REGISTERED/ECM_IDLE state?

A. There is no radio bearer between the UE and the eNodeB. The S1-MME, S1-U, and S5 connections are all released for the UE.

B. There is no radio bearer between the UE and the eNodeB. The S1-MME connection can no longer be used but the S1-U and S5 connections are still availablefor the UE.

C. There is no radio bearer between the UE and the eNodeB. The S1-MME and the S1-U connections can no longer be used but the S5 connection is still availablefor the UE.

D. There is no radio bearer between the UE and the eNodeB. The S1-MME, S1-U and S5 connections are still available for the UE.




QUESTION 65Which of the following statements is FALSE regarding the S1-U interface?

A. It is the user plane interface used to connect the E-UTRAN and the EPC core.

B. It relies on the GTP-C path to exchange the "Echo Request" / "Echo Response" messages between the eNodeB and the SGW.


C. It may be used to transport user data during the inter-eNodeB handover.

D. It uses the GTP-U protocol.

E. The UDP protocol is used as the transport protocol.



QUESTION 66On Alcatel-Lucent 7750 PGW, which of the following CLI commands can be used to check the TEID-C values assigned to an S5 GTP-C tunnel for a particular UE?


B. Show mobile-gateway pdn pdn-context imsi detail

C. Show mobile-gateway pdn ue-context

D. Show mobile-gateway pdn ue-context imsi detail

E. Show mobile-gateway pdn bearer-context

F. Show mobile-gateway pdn bearer-context imsi detail



QUESTION 67Which 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 eNodeB.

C. All UE resources are freed on the SGW.

D. The UE triggers the S1 Release procedure

E. None of the above statements are true.

Correct Answer: B




QUESTION 68A dedicated bearer 6 has a total of six SDF filters. Based on the information shown in the exhibit, which of the following is the right order to apply the filters to theuplink traffic?


A. The filters: 0 (first), 1, 2, 3, 4, 5 (last).

B. The filters: 2 (first), 3, 0, 1, 4, 5 (last).

C. The filters: 1 (first), 3, 5 (last).

D. The filters: 2 (first), 4, 0 (last).

E. The filters: 3 (first), 5, 1 (last).

F. The filters: 1 (first), 5, 3 (last).



QUESTION 69A 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 trafficrate 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.



QUESTION 70When MG-ISM redundancy is used on an Alcatel-Lucent 7750 MG, which of the following statements is FALSE?


A. An MG-ISM switchover has no impact on connected users.

B. An MG-ISM switchover has no impact on network element peers.

C. EPS bearers are synchronized between the active and standby MG-ISM cards.

D. The redundancy is non-revertive.




QUESTION 71


Which of the following interfaces is not using the GTP-U protocol?

A. The X2 interface

B. The S1-U interface

C. The S4 interface

D. The S5 interface

E. The SGi interface



QUESTION 72When a UE is roaming, which of the following interfaces is used when the visiting SGW needs to communicate with the UE's home PGW?

A. TheS1 interface.

B. The S5 interface.

C. The S8 interface.

D. The S10 interface.

E. The SGi interface.



QUESTION 73Which of the following statements is FALSE regarding the EPS bearers?

A. An EPS bearer is either a GBR bearer or a Non-GBR bearer.

B. An EPS bearer is either a default bearer or a dedicated bearer.

C. A dedicated bearer can be a GBR or a Non-GBR bearer.

D. A default bearer can be a GBR or a Non-GBR bearer.


E. A UE can have multiple GBR or Non-GBR bearers.



QUESTION 74On Alcatel-Lucent 7750 SGW, which of the following CLI commands is used to obtain the output displayed in the exhibit?


A. Show mobile-gateway serving ref-point-stats s11

B. Show mobile-gateway serving ref-point-stats s5

C. Show mobile-gateway serving ref-point-stats s11 instance

D. Show mobile-gateway serving ref-point-stats s5 instance



QUESTION 75In 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.




QUESTION 76Based on the information shown in the exhibit, when the SGW sends a "Create Session Request" message to the PGW, which of the following is the source IPaddress 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




QUESTION 77On the Alcatel-Lucent 7750 MG, which of the following is the CLI command to check the active / standby state of the MG-ISM cards?

A. Show card detail

B. Show mda detail

C. Show card state

D. Show system information

E. Show mobile-gateway system



QUESTION 78Which of the following statements is FALSE regarding the UE attachment procedure?

A. As a result of this procedure, a default bearer must be established

B. As a result of this procedure, a dedicated bearer must be established

C. As a result of this procedure, the UE is registered with the network

D. As a result of this procedure, the UE is authenticated by the network

E. As a result of this procedure, the UE has an IP connectivity to an APN




QUESTION 79Which of the following statements is FALSE regarding the UE mobility?

A. While in idle state, the UE mobility can trigger a handover.

B. While in idle state, the UE mobility can trigger a tracking area update.

C. While in connected state, the UE mobility can trigger a handover.

D. While in connected state, the UE mobility can trigger a tracking area update.





Documents

4A0-M02.alcatel-lucent - GRATIS EXAM · 2018. 3. 1. · A. An EPS bearer may be associated with more than one QCI value. B. A new QCI policy can be defined on the Alcatel-Lucent 7750