Packet Radio in Wireless Communication - MCQs

Packet Radio in Wireless Communication - MCQs

Q1. Packet radio refers to

a. Multiple users on single channel
b. Single user on multiple channels as per demand
c. Multiple users on multiple channels at different time slots
d. Multiple users with coding techniques

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Q2. Disadvantages of packet radio are

a. Induced delays
b. Low spectral efficiency
c. Large spectrum required
d. Both a) and b)
e. Both b) and c)

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Q3. Pure ALOHA is a

a. Random access protocol
b. Scheduled access protocol
c. Hybrid access protocol
d. Demand access protocol

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Q4. The increase in number of users in PURE ALOHA causes

a. Increase in delay
b. Increase in probability of collision
c. Increase in spectrum
d. Both a) and b)
e. Both a) & c)

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