CCNA Brain Dumps

Question No. 1

Which authentication protocol is used for the S6b interface?

• A. EAP-TLS
• B. EAP-AKA
• C. IPsec
• D. SSL

Question No. 2

Which network function converts Voice over LTE voice bearer to PSTN voice bearer?

• A. border gateway control function
• B. media gateway function
• C. multimedia resource function
• D. session border controller function

Question No. 3

Which statement about idle mode signaling reduction in the LTE network is true?

• A. ISR support is not mandatory for UEs that support GERAN/UTRAN.
• B. ISR requires special functionality on the UE and the core network nodes (MME, SGSN, and SGW).
• C. ISR requires special functionality on the UE and the core network nodes (MME and SGSN).
• D. Gn/Gp SGSN supports idle mode signaling reduction functionality.

Question No. 4

Which function does the Cisco Serving Gateway perform in a basic EPC network?

• A. The SGW is responsible for authentication of the subscribers connecting to EPC network.
• B. The SGW is a termination point in the network for Internet access.
• C. The SGW forwards data packets from subscribers toward the PDN gateway.
• D. The SGW is responsible for assigning the IP address to the subscriber.