WN-UMTS Core network Architecture

What is the function of the UMTS Core Network (CN)?

• To provide centralized services for UMTS mobile devices
• To provide radio access for UMTS mobile devices
• To manage radio spectrum allocations
• To manage battery life of UMTS mobile devices

Which entities make up the UMTS Core Network?

• Mobile Switching Centre (MSC), Serving GPRS Support Node (SGSN), and Gateway GPRS Support Node (GGSN)
• Base Station Controller (BSC), Base Transceiver Station (BTS), and Mobile Station (MS)
• Base Station Subsystem (BSS), Mobile Switching Centre (MSC), and Home Location Register (HLR)
• SGSN, GGSN, and Home Subscriber Server (HSS)

What is the function of the Mobile Switching Centre (MSC)?

• To manage voice call connections for UMTS mobile devices
• To manage packet data connections for UMTS mobile devices
• To manage mobility and location information for UMTS mobile devices
• To manage radio frequency allocations for UMTS mobile devices

Which entity is responsible for managing mobility and location information in the UMTS Core Network?

• Home Location Register (HLR)
• Visitor Location Register (VLR)
• Serving GPRS Support Node (SGSN)
• Gateway GPRS Support Node (GGSN)

What is the function of the Serving GPRS Support Node (SGSN)?

• To manage mobility and location information for UMTS mobile devices
• To manage voice call connections for UMTS mobile devices
• To manage packet data connections for UMTS mobile devices
• To manage radio frequency allocations for UMTS mobile devices

What is the function of the Gateway GPRS Support Node (GGSN)?

• To connect the UMTS Core Network to external IP networks
• To manage mobility and location information for UMTS mobile devices
• To manage voice call connections for UMTS mobile devices
• To manage packet data connections for UMTS mobile devices

What is the function of the Home Subscriber Server (HSS)?

• To manage subscriber data for UMTS mobile devices
• To manage mobility and location information for UMTS mobile devices
• To manage voice call connections for UMTS mobile devices
• To manage packet data connections for UMTS mobile devices

Which protocol is used for communication between the UMTS Core Network and external IP networks?

• GPRS Tunneling Protocol (GTP)
• Internet Protocol (IP)
• Border Gateway Protocol (BGP)
• Simple Network Management Protocol (SNMP)

Which entity is responsible for allocating IP addresses to UMTS mobile devices?

• Dynamic Host Configuration Protocol (DHCP) server
• Home Subscriber Server (HSS)
• Visitor Location Register (VLR)
• Serving GPRS Support Node (SGSN)

What is the function of the Visitor Location Register (VLR)?

• To manage mobility and location information for UMTS mobile devices
• To manage subscriber data for UMTS mobile devices
• To manage voice call connections for UMTS mobile devices
• To manage packet data connections for UMTS mobile devices