1. | The local telephone network is the example of ___________network. |
a. | Circuit switch |
b. | Packet switch |
c. | Both a and b |
d. | None of the above |
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Answer: (b).Packet switch
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2. | STP (Spanning tree protocol) is a switching protocol that prevents _____ in switching network. |
a. | Route poisoning |
b. | Use for network discovery |
c. | Broadcast |
d. | Loops |
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Answer: (d).Loops
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3. | A Circuit-Switched Network is made of a set of switches connected by physical |
a. | links |
b. | media |
c. | nodes |
d. | frames |
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Answer: (a).links
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4. | Actual communication in a circuit-switched network requires |
a. | one phase |
b. | two phases |
c. | three phases |
d. | four phases |
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Answer: (c).three phases
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5. | Setup, data transfer, and connection teardown are three phases of |
a. | packet switching |
b. | circuit switching |
c. | message switching |
d. | none of the above |
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Answer: (b).circuit switching
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6. | Circuit switching takes place at the |
a. | session layer |
b. | application layer |
c. | data link layer |
d. | physical layer |
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Answer: (d).physical layer
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7. | In Circuit Switching, resources need to be reserved during the |
a. | Data transfer phase |
b. | Teardown phase |
c. | Setup phase |
d. | Propagation phase |
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Answer: (c).Setup phase
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8. | Switching in Internet done by using datagram approach to packet switching at the |
a. | network layer |
b. | application layer |
c. | data link layer |
d. | physical layer |
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Answer: (a).network layer
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9. | Traditionally, _____ methods of switching have been important. |
a. | four |
b. | three |
c. | five |
d. | six |
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Answer: (b).three
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10. | A ________ network is made of a set of switches connected by physical links, in which each link is divided into n channels. |
a. | line-switched |
b. | frame-switched |
c. | circuit-switched |
d. | none of the above |
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Answer: (c).circuit-switched
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