Question 1

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

Accepted Answer

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 
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 2

Based on the information shown in the exhibit, when the SGW receives an IP packet from the UE, which of the following is the GTP TEID value expected to be received in the GTP packet header?

Accepted Answer

A)  0xd05025 
B)  0x4b00805 
C)  0x21 
D)  0x4b00825 
E)  None of the above answers are correct. 
A)  0xd05025 
B)  0x4b00805 
C)  0x21 
D)  0x4b00825 
E)  None of the above answers are correct.

Question 3

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

Accepted Answer

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. 
E)  None of the above statements are 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. 
E)  None of the above statements are false.

Question 4

Which of the following are Diameter-based interfaces?

Accepted Answer

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. 
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 5

Which of the following statements are FALSE regarding the SGW? (Choose two)

Accepted Answer

A)  The SGW is connected to the E-UTRAN via the S1-u interface. 
B)  At a given time, a single SGW handles all the connections for a given UE. 
C)  The SGW provides downlink data buffering and paging for an idle UE. 
D)  The SGW can connect to only one PGW. 
E)  The SGW acts as a common anchor point during handovers between LTE and Release 8 UMTS networks.
F) The SGW may provide data plane connectivity between two eNodeBs. 
A)  The SGW is connected to the E-UTRAN via the S1-u interface. 
B)  At a given time, a single SGW handles all the connections for a given UE. 
C)  The SGW provides downlink data buffering and paging for an idle UE. 
D)  The SGW can connect to only one PGW. 
E)  The SGW acts as a common anchor point during handovers between LTE and Release 8 UMTS networks.
F) The SGW may provide data plane connectivity between two eNodeBs.

Question 6

Which of the following statements most accurately describes the MME?

Accepted Answer

A)  The MME selects the SGW and the PGW for a given UE. 
B)  The MME is responsible for the bearer management. 
C)  The MME communicates with both the E-UTRAN and the EPC via GTP-C tunnels. 
D)  The MME performs the user authentication and authorization using the information provided by the HSS 
E)  All of the above answers are correct.
F) Only answers A, B and D are correct. 
A)  The MME selects the SGW and the PGW for a given UE. 
B)  The MME is responsible for the bearer management. 
C)  The MME communicates with both the E-UTRAN and the EPC via GTP-C tunnels. 
D)  The MME performs the user authentication and authorization using the information provided by the HSS 
E)  All of the above answers are correct.
F) Only answers A, B and D are correct.

Question 7

During a UE detach procedure, which commands are exchanged over the gx interface?

Accepted Answer

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 
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 8

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

Accepted Answer

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. 
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 9

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

Accepted Answer

A)  S1-MME signaling connection 
B)  S11GTP-C tunnel 
C)  S1 GTP-U tunnel 
D)  S5 GTP-C tunnel 
E)  S5 GTP-U tunnel 
A)  S1-MME signaling connection 
B)  S11GTP-C tunnel 
C)  S1 GTP-U tunnel 
D)  S5 GTP-C tunnel 
E)  S5 GTP-U tunnel

Question 10

On Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to verify the EPS procedures being performed on the mobile gateway?

Accepted Answer

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 
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 11

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

Accepted Answer

A)  The S1-MME interface and the S11 interface. 
B)  The S1-U interface. 
C)  The S5 interface. 
D)  The S1-U interface, the S5 interface and the LTE-Uu interface. 
E)  Only answers A, B and C are correct.
F) Only answers B and C are correct. 
A)  The S1-MME interface and the S11 interface. 
B)  The S1-U interface. 
C)  The S5 interface. 
D)  The S1-U interface, the S5 interface and the LTE-Uu interface. 
E)  Only answers A, B and C are correct.
F) Only answers B and C are correct.

Question 12

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

Accepted Answer

A)  The Capabilities-Exchange message 
B)  The Device-Watchdog message 
C)  The Credit-Control message 
D)  The Disconnect-Peer message 
E)  None of the above answers are correct 
A)  The Capabilities-Exchange message 
B)  The Device-Watchdog message 
C)  The Credit-Control message 
D)  The Disconnect-Peer message 
E)  None of the above answers are correct

Question 13

On the Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to check the message statistics between the PGW and the PCRF?

Accepted Answer

A)  Show mobile-gateway pdn pdn-context 
B)  Show mobile-gateway pdn ref-point-stats ga 
C)  Show mobile-gateway pdn ref-point-stats gx 
D)  Show mobile-gateway pdn ref-point-peers gn 
E)  Show mobile-gateway pdn ref-point-peers gx 
A)  Show mobile-gateway pdn pdn-context 
B)  Show mobile-gateway pdn ref-point-stats ga 
C)  Show mobile-gateway pdn ref-point-stats gx 
D)  Show mobile-gateway pdn ref-point-peers gn 
E)  Show mobile-gateway pdn ref-point-peers gx

Question 14

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

Accepted Answer

A)  The GBR 
B)  The APN-AMBR 
C)  The MBR 
D)  The GBR and the MBR 
E)  The UE-AMBR 
A)  The GBR 
B)  The APN-AMBR 
C)  The MBR 
D)  The GBR and the MBR 
E)  The UE-AMBR

Question 15

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

Accepted Answer

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. 
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 16

Which of the following statements is FALSE regarding the EPC QoS parameters?

Accepted Answer

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)  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.

Question 17

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

Accepted Answer

A)  The default bearer is initiated by either the UE or the PCRF. 
B)  The default bearer is always the first bearer established to an APN. 
C)  An AF server may initiate a dedicated bearer to a UE. 
D)  EPS bearers that connect a given UE to a single PGW may use different IP subnets. 
E)  The default bearer remains active throughout the lifetime of the APN connection. 
A)  The default bearer is initiated by either the UE or the PCRF. 
B)  The default bearer is always the first bearer established to an APN. 
C)  An AF server may initiate a dedicated bearer to a UE. 
D)  EPS bearers that connect a given UE to a single PGW may use different IP subnets. 
E)  The default bearer remains active throughout the lifetime of the APN connection.

Question 18

Which of the following most accurately identifies a GTP tunnel on the Alcatel-Lucent 7750 MG by default?

Accepted Answer

A)  A TEID 
B)  The System IP address 
C)  A UDP port number 
D)  A TEID and the System IP address 
E)  A TEID, the System IP address and a UDP port number 
A)  A TEID 
B)  The System IP address 
C)  A UDP port number 
D)  A TEID and the System IP address 
E)  A TEID, the System IP address and a UDP port number

Question 19

Based on the information shown in the exhibit, what is the TEID value 0x37 used for?

Accepted Answer

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. 
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.

Question 20

Which of the following statements is TRUE when the Alcatel-Lucent 7750 MG receives a GTP packet that has a zero TEID?

Accepted Answer

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. 
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.

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

Based on the information shown in the exhibit, when the SGW receives an IP packet from the UE, which of the following is the GTP TEID value expected to be received in the GTP packet header?

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

Which of the following are Diameter-based interfaces?

Which of the following statements are FALSE regarding the SGW? (Choose two)

Which of the following statements most accurately describes the MME?

During a UE detach procedure, which commands are exchanged over the gx interface?

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

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

On Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to verify the EPS procedures being performed on the mobile gateway?

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

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

On the Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to check the message statistics between the PGW and the PCRF?

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

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

Which of the following statements is FALSE regarding the EPC QoS parameters?

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

Which of the following most accurately identifies a GTP tunnel on the Alcatel-Lucent 7750 MG by default?

Based on the information shown in the exhibit, what is the TEID value 0x37 used for?

Which of the following statements is TRUE when the Alcatel-Lucent 7750 MG receives a GTP packet that has a zero TEID?

Nokia Scalable IP Networks

Nokia Border Gateway Protocol

Nokia Multiprotocol Label Switching

Nokia Virtual Private LAN Services

Nokia Virtual Private Routed Networks

Nokia Quality of Service

Nokia Multicast Protocols

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Exam 4: Nokia Services Architecture

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

Based on the information shown in the exhibit, when the SGW receives an IP packet from the UE, which of the following is the GTP TEID value expected to be received in the GTP packet header?

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

Which of the following are Diameter-based interfaces?

Which of the following statements are FALSE regarding the SGW? (Choose two)

Which of the following statements most accurately describes the MME?

During a UE detach procedure, which commands are exchanged over the gx interface?

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

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

On Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to verify the EPS procedures being performed on the mobile gateway?

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

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

On the Alcatel-Lucent 7750 PGW, which of the following CLI commands is used to check the message statistics between the PGW and the PCRF?

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

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

Which of the following statements is FALSE regarding the EPC QoS parameters?

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

Which of the following most accurately identifies a GTP tunnel on the Alcatel-Lucent 7750 MG by default?

Based on the information shown in the exhibit, what is the TEID value 0x37 used for?

Which of the following statements is TRUE when the Alcatel-Lucent 7750 MG receives a GTP packet that has a zero TEID?

Nokia Scalable IP Networks

Nokia Border Gateway Protocol

Nokia Multiprotocol Label Switching

Nokia Virtual Private LAN Services

Nokia Virtual Private Routed Networks

Nokia Quality of Service

Nokia Multicast Protocols

Filters