Optical Switching Networks MCQ’s

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This set of Optical Communication Multiple Choice Questions & Answers (MCQs) focuses on “Optical Switching Networks”.

1. ___________________ are the array of switches which forms circuit switching fabrics.
a) Packet arrays
b) Optical cross connects
c) Circuit arrays
d) Optical networks

2. ___________ is an example of a static circuit-switched network.
a) OXC
b) Circuit regenerator
c) Packet resolver
d) SDH/SONET

3. Optical switching can be classified into ________ categories.
a) Two
b) Three
c) Four
d) One

4. What is the main disadvantage of OCS?
a) Regenerating mechanism
b) Optical session
c) Time permit
d) Disability to handle burst traffic

5. How many functions are performed by an optical packet switch?
a) Four
b) Three
c) Two
d) One

6. MPLS is independent of layer 2 and 3 in the OSI model. State whether the given statement is true or false.
a) True
b) False

7. What is usually required by a packet to ensure that the data is not overwritten?
a) Header
b) Footer
c) Guard band
d) Payload

8. Optical electro-conversions takes place in _________________ networks.
a) Sessional
b) Optical packet-switched
c) Optical circuit-switched
d) Circular

9. ____________ provides data storage for packets to resolve contention problems.
a) Switching
b) Routing
c) Buffering
d) Reversing

10. Routing technique is faster than the labeling technique. State whether the given statement is true or false.
a) False
b) True

11. Which of the following service is provided by Multiprotocol label switching (MPLS)?
a) Data forwarding
b) Routing
c) VPN’s
d) Switching

12. ______________ provides efficient designation, routing, forwarding, switching of traffic through an optical packet-switched network.
a) Label correlation
b) Multiprotocol label switching
c) Optical correlation
d) Routing

13. Burst header cell is also known as _____________
a) Burst channel
b) Burst header circuit
c) Burst regenerator
d) Burst header packet

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