Which option describes how IPsec is used for L2TP configuration on GGSN?

According to 3GPP standards, which option is the interface between the Charging Data
Function and the Charging Gateway Function?

During the network-initiated PDP activation procedure, which network entity provides the
GGSN the address of the SGSN, which the subscriber is attached to?

Refer to the exhibit.

Which three Diameter AVPs are sent within the CCR-I request to the OCS? (Choose three.)

When the failure handling mode is configured as Terminate, which behavior is expected on
the GGSN when the OCS sends the diameter result code=4012 within the MSCC in CCA-U
message?

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.)

Refer to the exhibit.

Which two rating groups would be included within the AVP Multiple-Services-Credit-Control
within the CCR-I message by the Cisco ASR 5000 GGSN? (Choose two.)

Which two parameters are used on the Cisco ASR 5000 GGSN to build the RADIUS
authentication attribute Acct-Session-ID, sent within the RADIUS Disconnect-Request?
(Choose two.)

When Wi-Fi offloading is enabled, which authentication protocol is used by the TTG over the
Wm interface to authenticate/retrieve subscription information at the time of PDP activation?

Which description of a smurf attack is true?