Wireless Communication Quiz | Wireless Communication Multiple Choice Questions with Answers

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Questions
61 Mobile Assisted Handoff (MAHO) provides
A Faster handoffs
B Suitability for frequent handoffs
C MSC need not monitor the signal strength
D All of the above

Answer: All of the above
62 When all of the radio channels are in use in a trunking system
A The user is blocked
B The access to the system is denied
C The queue may be provided
D All of the above

Answer: All of the above
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63 Interference in cellular systems is caused by
A Two base stations operating in same frequency band
B Two calls in progress in nearby mobile stations
C Leakage of energy signals by non cellular systems into cellular frequency band
D All of the above

Answer: All of the above
64 Co-channel reuse ratio depends upon
A Radius of the cell
B Distance between the centers of the co channel cells
C Frequency allocation of nearest cells
D Both a and b

Answer: Both a and b
65 The techniques used to improve the capacity of cellular systems are
A Splitting
B Sectoring
C Coverage zone approach
D All of the above

Answer: Random access protocol
66 Distributed antenna systems are used at
A Transmitters of mobile systems
B Transmitters of base stations
C Inputs and outputs of repeaters
D Receivers of mobile stations

Answer: Inputs and outputs of repeaters
67 Antenna down tilting refers to
A Decreasing the S/N ratio at the antenna input
B Decreasing the strength of antenna
C Focusing radio energy towards ground
D All of the above

Answer: Focusing radio energy towards ground
68 The rainbow pattern seen on a CD is an example of
A Reflection
B Refraction
C Diffraction
D None of the above

Answer: Diffraction
69 When a wave falls on a perfect conductor
A Wave is partially reflected and partially transmitted
B All incident energy is reflected back without loss of energy
C Part of energy gets absorbed
D Both a and c

Answer: All incident energy is reflected back without loss of energy
70 Brewster angle is the angle at which
A No reflection occurs at the first medium
B Reflection coefficient is zero
C The wave gets refracted in the direction of source
D Both a and b

Answer: Both a and b

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