In 4G architecture, what is the core network element responsible for authenticating and authorizing subscriber access?

• eNodeB
• Serving Gateway (SGW)
• Packet Data Network Gateway (PDN-GW)
• MME

What is the purpose of the Serving Gateway (SGW) in 4G architecture?

• To manage the mobility of devices within a small cell network
• To handle the initial authentication and setup of user connections
• To route data packets between the mobile device and the Packet Data Network (PDN)
• To manage the allocation of radio resources in the network

Which interface is used between the radio unit and the baseband unit?

• SGi
• X2-UP
• CPRI
• S1-CP

What is the primary multiple access technique used in 3G networks?

• FDMA (Frequency Division Multiple Access)
• CDMA (Code Division Multiple Access)
• TDMA (Time Division Multiple Access)
• OFDMA (Orthogonal Frequency Division Multiple Access)

Which function of the 5GC (5G Core) facilitates Mobility Management?

• AMF
• SMF
• AUSF
• UDM

What does "DSS" stand for in the context of wireless communication networks?

• Digital Spectrum System
• Dynamic Spectrum Sharing
• Data Spectrum Service
• Dual Signal Synchronization

In NSA 5G, which technology is used for the control plane and user plane functions?

• LTE
• NR
• 3G
• WI-FI

Which technology is most widely used for digital voice transmission in GSM?

• AM (Amplitude Modulation)
• FM (Frequency Modulation)
• CDMA (Code Division Multiple Access)
• TDMA (Time Division Multiple Access)

What is the primary purpose of DHCP in a network?

• To provide internet connectivity
• To assign domain names to devices
• To manage network switches and routers
• To automatically assign IP addresses to devices

What is the purpose of the Home Subscriber Server (HSS) in LTE architecture?

• Managing radio access resources
• Storing subscriber information and authentication data
• Providing IP addresses to user equipment
• Handling mobility functions