Which parameter can be used to compute the permissible power of xG users?

A. Distance between the primary transmitter and xg user
B. Amount of interference at the primary receiver
C. Amount of interference at xg user
D. Distance between the primary receiver and xg user

What is the function of the spectrum analysis unit?

A. Detect spectrum holes
B. Prevent collision between multiple users
C. Match spectrum bands with user requirements
D. Listen for the arrival of the primary user

What is the function of spectrum mobility?

A. Detect spectrum holes
B. Gather information about available spectrum bands
C. Vacate spectrum band
D. Monitor spectrum band

Which among the following functions prevent collision?

A. Spectrum analysis
B. Spectrum decision
C. Spectrum mobility
D. Spectrum sharing

What among the following is not a function of spectrum management?

A. Sensing
B. Decision
C. Mobility
D. Repair

Which among the following is not considered for associating a cognitive radio user to an unused spectrum band?

A. Time-varying radio environment
B. Bandwidth
C. Qos requirement
D. Application policies

Identify the critical path in the below-given network diagram.

A. A-b-f
B. A-e-f
C. A-c-d-f
D. A-c-d-e-f

Find the free float of activity if the earliest start time (EST) of the tail event and the head event are 2 and 10 minutes respectively. Consider the activity duration as 4 minutes.

A. 4 minutes
B. 9 minutes
C. 8 minutes
D. 6 minutes

Calculate the total float available for an activity if the LST and EST are 12 and 10 minutes respectively.

A. 1 minute
B. 11 minutes
C. 12 minutes
D. 2 minutes

Which of the following may affect the floats of both the succeeding activities as well as preceding activities?

A. Total float
B. Free float
C. Independent float
D. Free and independent