Which two nodes are introduced as part of UMTS as defined by 3GPP standards? (Choose two.)
A. SGSN
B. GGSN
C. RNC
D. VLR
E. NodeB
F. VLR
According to RFC 4006, for which two purposes is Diameter Control Credit Application designed? (Choose two.)
A. authentication and authorization of access
B. real-time content charging
C. credit card payment authorization online
D. credit authorization of prepaid users
E. billing for postpaid users
F. IMS core authorization
G. collection of user statistics
Which two AVPs will be sent by the GGSN within the CCR request when an update PDP request with IEs: NSAPI value 6, and Linked NSAPI value 5 is received? (Choose two.)
A. Called-Station-ID
B. Used-Service-Unit
C. Bearer-ID
D. Requested-Service-Unit
E. Bearer-Operation= Modification
Which option describes the advantage of using L2TP over IPsec versus IPsec only?
A. L2TP improves performance.
B. The overhead that is introduced is lower.
C. L2TP can transport protocols other than IP.
D. L2TP provides Layer 2 VPN functionality.
Which two functions does the SGSN perform? (Choose two.)
A. mobility management
B. charging
C. dynamic IP address allocation to a subscriber
D. dynamic policy control
E. deep packet inspection
Which two options are benefits of Port Resource Pooling? (Choose two.)
A. allows for increased number of network-requested PDP activations
B. reduces the number of GGSN initiated deactivate procedure
C. provides resiliency
D. reduces the signaling towards the SMSC
E. reduces the number of inter-SGSN RAU procedures
Through which two procedures does a direct tunnel session change to a two-tunnel session? (Choose two.)
A. Iu-release request procedure initiated by RNC
B. GTPU-error indication by the RNC to the GGSN
C. UE-initiated secondary PDP context activation
D. successful GGSN-initiated PDP modification procedure
E. successful UE-initiated PDP modification procedure
F. periodic RAU procedure triggered by the UE
Which action does an S4-SGSN take when it receives a secondary PDP context request from the UE?
A. A bearer resource command is sent to the SGW.
B. A create bearer request is sent to the SGW.
C. A create session request is sent to the SGW.
D. A create PDP context request is sent to the SGW.
Refer to the exhibit.
The locally configured Diameter peer does not seem to be communicating with its remote peer. Which option describes the problem?
A. Ports are not correctly configured.
B. No common AVP was found during capabilities exchange procedure.
C. The transport layer connection is not established.
D. Diameter does not support TCP as a transport protocol.