4A0-M02 practice questions, page 5 of 6, with answer review and explanations.
Question 21
Based on the information shown in the exhibit, which of the following is the time interval used by the SGW to send out an "Echo Request" message over the GTP interface?
3 seconds
5 seconds
6 seconds
60 seconds
90 seconds
Question 22
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?
Under the Diameter profile context.
Under the Diameter Peer profile context.
Under the Gx interface context.
Under the APN context.
None of the above answers are correct.
Question 23
Based on the information shown in the exhibit, which of the following is TRUE when the PGW receives a "Create Session Request" with the "PDNTYPE" set to IPv4?
The PGW tries to allocate an IP address from the subnet "5.5.0.0/16" and assigns it to the UE.
The PGW tries to allocate an IP address from the subnet "3FFE::/48" and assigns it to the UE.
The "Create Session Request" is rejected by the PGW.
There is insufficient information to answer this question.
Question 24
Based 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 "Private2"? Assume everything else is in working condition.
The "Create Session Request" is rejected by the PGW and no bearer is created.
The "Create Session Request" is accepted by the PGW and the bearer is created successfully.
The APN cannot be configured with an "APN Restriction" value of "any".
The "Create Session Request" cannot have an "APN Restriction" value of "Private2.
None of the above answers are correct.
Question 25
On the Alcatel-Lucent 7750 PGW, which of the following is the default setting of the APN "selection-mode"?