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Cognitive Radio
Cognitive Radio Multiple Choice
Quiz 1
Solution
Q.1.
What is used by the cognitive radio to justify the usage of resources?
a) Computational model
b) Component cycle
c) Function cycle
d) Cognition model
Q.2.
Which among the following is not a common feature between virtual channel management and network management?
a) Identification of resources
b) Verification of availability of resources
c) Matching resources with requirements of application
d) Applicable for radio resources
Q.3.
Which among the following is a challenge in security management?
a) Authentication
b) Validation
c) Encryption and decryption
d) Balancing convenience and security
Q.4.
Which among the following is used to represent interdependencies in cognitive radio?
a) Representation language
b) Constraint language
c) Ontology language
d) Modelling language
Q.5.
Which among the following caused the shift of complexity management from networks to cognitive radio?
a) Introduction of multiple bands in radio
b) Introduction of multiple modes in radio
c) Introduction of multiple bands and multiple modes in radio
d) Elimination of multiple bands in radio
Q.6.
What is parallel virtual machine?
a) Parallel virtual machine is a centralised computing system developed by joining a set of serial computers
b) Parallel virtual machine is a distributed computing system developed by joining a set of parallel computers
c) Parallel virtual machine is a centralised computing system developed by joining a set of parallel computers
d) Parallel virtual machine is a distributed computing system developed by joining a set of serial computers
Q.7.
Which among the following may be inferred by analysing temporal properties of simultaneous processes?
a) Time difference of transmission
b) Timeout in fault tolerant systems
c) Time of arrival in receiver
d) Time difference of arrival in receiver
Q.8.
Which among the following programming styles approach a problem as a series of constraints imposed on a possible solution?
a) Linear programming
b) Constraint programming
c) Object oriented programming
d) Aspect oriented programming
Q.9.
Which among the following is a characteristic observed in constraint programming?
a) No changes can made on definition of the system
b) Only independent variables are applied
c) Strict norms to compute a value
d) Definition of relationship between variables and constraints
Q.10.
What is the Tmodel of Mitsubishi?
a) Single-mode handset
b) Dual-mode handset
c) Three-mode handset
d) Four-mode handset
Q.11.
Parallel virtual machine is implemented using homogeneous computers.
a) True
b) False
Q.12.
Which among the following correspond to the point plotted in the graph?
a) COTS Handset
b) Digital cell site
c) Software defined radio
d) Cognitive radio
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