TEST 1 MOBILE COMPUTING

Which multiple access technique is primarily used in CDMA networks?

• OFDMA
• CDMA
• TDMA
• OFDMA

What is the main advantage of microcell deployment in cellular systems?

• Reduced handoffs
• Easier mobility management
• Lower equipment cost
• Reduced handoffs

Which component manages location updates for roaming subscribers?

• Mobile Switching Center
• Mobile Station
• Home Location Register
• Mobile Switching Center

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

• Handle encryption
• Manage handoff decisions
• Allocate frequency channels
• Handle encryption

What is the impact of co-channel interference in cellular networks?

• Reduced network load
• Faster handoff
• Better coverage
• Reduced network load

Which handoff type occurs when a mobile moves within the same MSC area?

• Frequency Handoff
• Intra-MSC Handoff
• Roaming Handoff
• Frequency Handoff

Which of the following is NOT part of the Base Station Subsystem?

• All are part
• Base Station Controller
• Mobile Switching Center
• All are part

In mobile networks, the “control channel” is used for:

• Reducing interference
• Signaling and coordination
• Handoff between cells
• Reducing interference

Which cellular generation introduced packet-switched data networks?

• 4G
• 2G
• 3G
• 4G

In GSM, the subscriber identity is stored on which card?

• HLR
• VLR
• SIM
• MSC