MCQs on Computer Networking - 24

1. Sending a packet to all destinations simultaneously is called ……………….

(A) Multicasting
(B) Unicasting
(C) Telecasting
(D) Broadcasting



2. Identify the statement which cannot be associated with OSI model

(A) A structured way to discuss and easier update syatem components
(B) One layer may duplicate lower layer functionality
(C) Functionality at one layer no way requires information from another layer
(D) None of the mentioned



3. The regions in Hierarchical routing are grouped in to ……………

(A) Clusters
(B) Zones
(C) Blocks
(D) Cells



4. Two devices are in network if

(A) a process in one device is able to exchange information with a process in another device
(B) a process is running on both devices
(C) PIDs of the processes running of different devices are same
(D) none of the mentioned



5. Which of the communication modes support two way traffic but in only once direction of a time?

(A) Simplex
(B) Half-duplex
(C) Three - quarter's duplex
(D) Full duplex


6. A set of rules that governs data communication

(A) Protocols
(B) Standards
(C) RFCs
(D) None of the mentioned


7. Which type of switching uses the entire capacity of a dedicated link?

(A) circuit switching
(B) datagram packet switching
(C) virtual circuit packet switching
(D) message switching



8. The physical layer concerns with

(A) 
application to application delivery 
(B) process to process delivery
(C) bit-by-bit delivery
(D) none of the mentioned


9. The loss in signal power as light travels down the fiber is called.............

(A) Attenuation
(B) Propagation
(C) Scattering
(D) Interruption


10. In OSI network architecture, the routing is performed by

(A) transport layer
(B) data link layer
(C) network layer 
(D) session layer


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