Question 1

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

Accepted Answer

A)  The UE. 
B)  The source eNodeB. 
C)  The target eNodeB. 
D)  The MME. 
E)  The SGW. 
A)  The UE. 
B)  The source eNodeB. 
C)  The target eNodeB. 
D)  The MME. 
E)  The SGW.

Question 2

Which of the following statements most accurately describes the Diameter protocol?

Accepted Answer

A)  The Diameter is a peer-to-peer protocol that uses the TCP or SCTP as the transport protocol. 
B)  A Diameter peer could act as a Diameter client or a Diameter server to its remote peer. 
C)  The Alcatel-Lucent 7750 PGW acts as a Diameter client to the PCRF server via the Gx interface. 
D)  The Diameter protocol uses TCP and SCTP port number 3868. 
E)  All of the above answers are correct.
F) Only answers A and B are correct. 
A)  The Diameter is a peer-to-peer protocol that uses the TCP or SCTP as the transport protocol. 
B)  A Diameter peer could act as a Diameter client or a Diameter server to its remote peer. 
C)  The Alcatel-Lucent 7750 PGW acts as a Diameter client to the PCRF server via the Gx interface. 
D)  The Diameter protocol uses TCP and SCTP port number 3868. 
E)  All of the above answers are correct.
F) Only answers A and B are correct.

Question 3

On 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?

Accepted Answer

A) Show mobile-gateway pdn pdn-context 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 A) Show mobile-gateway pdn pdn-context 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 4

In 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?

Accepted Answer

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 the GGSN. 
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 the GGSN. 
E)  None of the above answers are correct. 
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 the GGSN. 
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 the GGSN. 
E)  None of the above answers are correct.

Question 5

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

Accepted Answer

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. 
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.

Question 6

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)

Accepted Answer

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 
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 7

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?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  6 
A)  1 
B)  2 
C)  3 
D)  4 
E)  6

Question 8

A UE needs to get an IP address before it can communicate to any PDN over the LTE network. Which of the following statements are FALSE regarding the process of the IP address allocation? (Choose two)

Accepted Answer

A)  A PGW may obtain an IP address from a RADIUS server and assign it to the UE. 
B)  A PGW may assign the IP address from its local address pools. 
C)  An SGW may obtain a static IP address from the HSS server and assign it to the UE. 
D)  An SGW may obtain an IP address from a RADIUS server and assign it to the UE. 
E)  A PGW may obtain an IP address from a DHCP server and assign it to the UE. 
A)  A PGW may obtain an IP address from a RADIUS server and assign it to the UE. 
B)  A PGW may assign the IP address from its local address pools. 
C)  An SGW may obtain a static IP address from the HSS server and assign it to the UE. 
D)  An SGW may obtain an IP address from a RADIUS server and assign it to the UE. 
E)  A PGW may obtain an IP address from a DHCP server and assign it to the UE.

Question 9

On an Alcatel-Lucent 7750 PGW, which of the following is the CLI context where you can specify the IP address and port number of a PCRF server?

Accepted Answer

A)  Under the Diameter profile context. 
B)  Under the Diameter Peer profile context. 
C)  Under the Gx interface context. 
D)  Under the APN context. 
E)  None of the above answers are correct. 
A)  Under the Diameter profile context. 
B)  Under the Diameter Peer profile context. 
C)  Under the Gx interface context. 
D)  Under the APN context. 
E)  None of the above answers are correct.

Question 10

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

Accepted Answer

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. 
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 11

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?

Accepted Answer

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) 
E)  None of the above answers are correct 
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) 
E)  None of the above answers are correct

Question 12

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

Accepted Answer

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. 
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 13

Based on the information shown in the exhibit, how many EPS bearers has the PGW created in total for all UEs?

Accepted Answer

A)  6 
B)  5 
C)  4 
D)  3 
E)  2
F) 1 
A)  6 
B)  5 
C)  4 
D)  3 
E)  2
F) 1

Question 14

On Alcatel-Lucent 7750 SGW, which of the following CLI commands can be used to check the connectivity to the GTP peer?

Accepted Answer

A)  oam gtp-ping s5c destination 10.10.7.2 port 2122 gateway 1 
B)  oam gtp-ping s5c destination 10.10.7.2 port 2123 gateway 1 
C)  oam gtp-ping s5u destination 10.10.7.2 port 2153 gateway 1 
D)  oam gtp-ping s5u destination 10.10.7.2 port 2154 gateway 1 
E)  Answers B and D are both correct. 
A)  oam gtp-ping s5c destination 10.10.7.2 port 2122 gateway 1 
B)  oam gtp-ping s5c destination 10.10.7.2 port 2123 gateway 1 
C)  oam gtp-ping s5u destination 10.10.7.2 port 2153 gateway 1 
D)  oam gtp-ping s5u destination 10.10.7.2 port 2154 gateway 1 
E)  Answers B and D are both correct.

Question 15

There is an active GTP path between an Alcatel-Lucent SGW and an Alcatel-Lucent PGW, On the SGW. Which of the following CLI commands is used to check the "Restart Count" value of the PGW?

Accepted Answer

A)  show mobile-gateway serving ref-point-peers s5 
B)  show mobile-gateway serving ref-point-stats s5 
C)  show mobile-gateway serving bearer-stats s5 
D)  show mobile-gateway serving path-mgmt-stats s5 
E)  None of the above answers are correct. 
A)  show mobile-gateway serving ref-point-peers s5 
B)  show mobile-gateway serving ref-point-stats s5 
C)  show mobile-gateway serving bearer-stats s5 
D)  show mobile-gateway serving path-mgmt-stats s5 
E)  None of the above answers are correct.

Question 16

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

Accepted Answer

A)  It is a Diameter-based interface between the PCRF and the PCEF. 
B)  The PCEF can act as a client or as a server for the Diameter connection depending on which application is running over the Gx interface. 
C)  The PCEF receives the QoS information for a bearer from the PCRF over the Gx interface. 
D)  It runs a vendor specific application identified by an application ID value of 16777238. 
E)  It is never used to transport user data packets. 
A)  It is a Diameter-based interface between the PCRF and the PCEF. 
B)  The PCEF can act as a client or as a server for the Diameter connection depending on which application is running over the Gx interface. 
C)  The PCEF receives the QoS information for a bearer from the PCRF over the Gx interface. 
D)  It runs a vendor specific application identified by an application ID value of 16777238. 
E)  It is never used to transport user data packets.

Question 17

Which of the following statements is FALSE regarding the UE paging process?

Accepted Answer

A)  The SGW performs downlink data buffering while the S1 bearer is being established. 
B)  The SGW initiates the paging messages towards the UE. 
C)  The PGW is not aware of the paging process. 
D)  The UE initiates the service request procedure once it receives the paging message. 
E)  The paging procedure is controlled by the MME. 
A)  The SGW performs downlink data buffering while the S1 bearer is being established. 
B)  The SGW initiates the paging messages towards the UE. 
C)  The PGW is not aware of the paging process. 
D)  The UE initiates the service request procedure once it receives the paging message. 
E)  The paging procedure is controlled by the MME.

Question 18

Which of the following does not apply when an MG-ISM group is configured on an Alcatel-Lucent 7750 MG? (Choose two)

Accepted Answer

A)  A maximum of two MG-ISM cards may be configured in a group. 
B)  The redundancy model must be configured and it is always displayed as one-to-one 
C)  The MG-ISM cards configured in the same group must be contiguous. 
D)  Only one MG-ISM card in a group may be configured as working, 
E)  More than one MG-ISM card in a group may be configured as protect.
F) The gateway instance must be specified during the group configuration. 
A)  A maximum of two MG-ISM cards may be configured in a group. 
B)  The redundancy model must be configured and it is always displayed as one-to-one 
C)  The MG-ISM cards configured in the same group must be contiguous. 
D)  Only one MG-ISM card in a group may be configured as working, 
E)  More than one MG-ISM card in a group may be configured as protect.
F) The gateway instance must be specified during the group configuration.

Question 19

On the Alcatel-Lucent 7750 PGW, which of the following is the CLI command to check the statistics of the "Create Session Request" / "Create Session Response" messages?

Accepted Answer

A)  Show mobile-gateway pdn ref-point-peers gx 
B)  Show mobile-gateway pdn ref-point-peers s5 
C)  Show mobile-gateway pdn ref-point-stats ga 
D)  Show mobile-gateway pdn ref-point-stats s5 
E)  None of the above answers are correct. 
A)  Show mobile-gateway pdn ref-point-peers gx 
B)  Show mobile-gateway pdn ref-point-peers s5 
C)  Show mobile-gateway pdn ref-point-stats ga 
D)  Show mobile-gateway pdn ref-point-stats s5 
E)  None of the above answers are correct.

Question 20

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?

Accepted Answer

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. 
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.

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

Which of the following statements most accurately describes the Diameter protocol?

On 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?

In 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?

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

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)

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 UE needs to get an IP address before it can communicate to any PDN over the LTE network. Which of the following statements are FALSE regarding the process of the IP address allocation? (Choose two)

On an Alcatel-Lucent 7750 PGW, which of the following is the CLI context where you can specify the IP address and port number of a PCRF server?

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

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?

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

Based on the information shown in the exhibit, how many EPS bearers has the PGW created in total for all UEs?

On Alcatel-Lucent 7750 SGW, which of the following CLI commands can be used to check the connectivity to the GTP peer?

There is an active GTP path between an Alcatel-Lucent SGW and an Alcatel-Lucent PGW, On the SGW. Which of the following CLI commands is used to check the "Restart Count" value of the PGW?

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

Which of the following statements is FALSE regarding the UE paging process?

Which of the following does not apply when an MG-ISM group is configured on an Alcatel-Lucent 7750 MG? (Choose two)

On the Alcatel-Lucent 7750 PGW, which of the following is the CLI command to check the statistics of the "Create Session Request" / "Create Session Response" messages?

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?

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

Exam 4: Nokia Services Architecture

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

Which of the following statements most accurately describes the Diameter protocol?

On 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?

In 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?

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

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)

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 UE needs to get an IP address before it can communicate to any PDN over the LTE network. Which of the following statements are FALSE regarding the process of the IP address allocation? (Choose two)

On an Alcatel-Lucent 7750 PGW, which of the following is the CLI context where you can specify the IP address and port number of a PCRF server?

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

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?

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

Based on the information shown in the exhibit, how many EPS bearers has the PGW created in total for all UEs?

On Alcatel-Lucent 7750 SGW, which of the following CLI commands can be used to check the connectivity to the GTP peer?

There is an active GTP path between an Alcatel-Lucent SGW and an Alcatel-Lucent PGW, On the SGW. Which of the following CLI commands is used to check the "Restart Count" value of the PGW?

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

Which of the following statements is FALSE regarding the UE paging process?

Which of the following does not apply when an MG-ISM group is configured on an Alcatel-Lucent 7750 MG? (Choose two)

On the Alcatel-Lucent 7750 PGW, which of the following is the CLI command to check the statistics of the "Create Session Request" / "Create Session Response" messages?

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?

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