NEXT GENERATION NETWORK MCQ
1. Which among the following is not an upper layer issue?
a) Channel sensing
b) Routing
c) Security
d) Congestion control
Answer: a
2. Which among the following is a not route metric?
a) Power efficiency
b) Interference
c) Cost
d) Data size
Answer: d
3. Which among the following is an issue for routing in cognitive radio networks?
a) Spectrum sensing
b) Power allocation
c) Spectrum knowledge
d) Spectrum characterization
Answer: c
4. What is the term used to define the additional data that has to be transferred other than the message during communication?
a) Encoded bits
b) Payload
c) Support bits
d) Overhead
Answer: d
5. Which among the following is false about the routing issue link failure?
a) Interference is a route metric used to represent link failure
b) Link capacity is a route metric used to represent link failure
c) Link failure is caused by the displacement of an intermediary node
d) Link failure is caused by the arrival of the primary user
Answer: b
6. Which among the following is not a route metric of the routing issue mobility handling?
a) Delay
b) Interference
c) Throughput
d) Link stability
Answer: c
7. Which among the following issues consider cost as a route metric?
a) Spectrum knowledge
b) Overhead
c) Link failure
d) Best path selection
Answer: d
8. Why common channel control is required for routing?
a) Transmission coordination
b) Time of arrival synchronization
c) Broadcasting
d) Spectrum analysis
Answer: c
9. Which among the following issues require channel-based models for analysis?
a) Common control channel
b) Spectrum knowledge
c) Queue management
d) Intermittent connectivity
Answer: d
10. Why is queue management required?
a) Form a queue of xG users which require access for a particular channel in the licensed band
b) Handle multiple interfaces
c) Form a queue of xG users which require access for a particular channel in the unlicensed band
d) Form a queue of xG users to forward information to spectrum broker
Answer: b
11. What is the best path from N1 to N3 in dynamic source routing?
a) N1 – N4 – N2 – N3
b) N1 – N4 – N5 – N4 – N1 – N2 – N3
c) N1 – N4 – N5 – N3
d) N1 – N2 – N3
Answer: d
12. Which among the following is not a network layer attack?
a) Network endo parasite attack
b) Jamming attack
c) Channel ecto parasite attack
d) Low cost ripple effect attack
Answer: b
13. Cross layer approach is the combination of route selection and spectrum management.
a) True
b) False
Answer: a
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