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Hassan
1.Which of the following computer networks is built on the top of another network ?
A. Prior network
B. Chief network
C. Prime network
D. Prior network
2.In computer network nodes are ?
A. The computer that originates the data
B. The computer that routes the data
C. The computer that terminates the data
D. The computer that originates the data
3.Communication channel is shared by all the machines on the network in ?
A. Broadcast network
B. Unicast network
C. Multicast network
D. Broadcast network
4.Bluetooth is an example of ?
A. Wide area network
B. Virtual private network
C. Local area network
D. Wide area network
5.A is a device that forwards packets between networks by processing the routing information included in the packet ?
A. Hub
B. Router
C. Firewall
D. Hub
6.A list of protocols used by a system, one protocol per layer, is called ?
A. Protocol architecture
B. Protocol stack
C. Protocol suite
D. Protocol architecture
7.Network congestion occurs ?
A. In case of traffic overloading
B. When a system terminates
C. When connection between two nodes terminates
D. In case of traffic overloading
8.Which of the following networks extends a private network across public networks ?
A. Local area network
B. Virtual private network
C. Enterprise private network
D. Local area network
9.What is multimedia file ?
A. Is same as any other regular file
B. Must be accessed at specific rate
C. Stored on remote server can not be delivered to its client
D. Is same as any other regular file
10. In which type of streaming multimedia file is delivered to the client, but not shared ?
A. Progressive download
B. Compression
C. Real-time streaming
D. Progressive download
11.Which one of the following is the characteristic of a multimedia system ?
A. High storage
B. High data rates
C. Both high storage and high data rates
D. High storage
12.The delay that occur during the playback of a stream is called ?
A. Stream delay
B. Playback delay
C. Jitter
D. Stream delay
13.Which algorithm can be optimized to meet the timing deadlines and rate requirements of continuous media ?
A. Earliest-Deadline-First scheduling
B. SCAN-EDF scheduling
C. Both A & B
D. Earliest-Deadline-First scheduling
14.Real time streaming protocol is used ?
A. To control streaming media servers
B. For establishing and controlling media sessions between endpoints
C. To provide real time control of playback of media files from the server
D. To control streaming media servers
15.In tear down state of real time streaming protocol is ?
A. The server resources for client
B. Server delivers the stream to client
C. Server suspends delivery of stream
D. The server resources for client
16.CineBlitz multimedia server supports ?
A. Real time clients
B. Non-real time clients
C. Both A & B
D. Real time clients
17.Multimedia system require hard real time scheduling ?
A. To ensure critical tasks will be serviced within timing deadlines
B. To deliver the media file to the client
C. To minimize the delay
D. To ensure critical tasks will be serviced within timing deadlines
18.Which one of the following resource is not necessarily required on a file server ?
A. Secondary storage
B. Processor
C. Network
D. Secondary storage
19.The systems which allow only one process execution at a time, are called ?
A. Uni-programming systems
B. Uni-processing systems
C. Uni-tasking systems
D. Uni-programming systems
20.In operating system, each process has its own ?
A. Open files
B. Address space and global variables
C. Pending alarms, signals and signal handlers
D. Open files
21.In Unix, Which system call creates the new process ?
A. Fork
B. Create
C. New
D. Fork
22.A process can be terminated due to ?
A. Normal exit
B. Fatal error
C. Killed by another process
D. Normal exit
23.What is the ready state of a process ?
A. When process is scheduled to run after some execution
B. When process is unable to run until some task has been completed
C. When process is using the CPU
D. When process is scheduled to run after some execution
24.What is inter-process communication ?
A. Communication within the process
B. Communication between two process
C. Communication between two threads of same process
D. Communication within the process
25.A set of processes is deadlock if ?
A. Each process is blocked and will remain so forever
B. Each process is terminated
C. All processes are trying to kill each other
D. Each process is blocked and will remain so forever
26.A process stack does not contain ?
A. PID of child process
B. Return addresses
C. Local variables
D. PID of child process
27.Which system call returns the process identifier of a terminated child ?
A. Wait
B. Exit
C. Fork
D. Wait
28.The address of the next instruction to be executed by the current process is provided by the ?
A. Pipe
B. Process stack
C. Program counter
D. Pipe
29.converts the programs written in assembly language into machine instructions ?
A. Converter
B. Assembler
C. Interpreter
D. Converter
30.A central processing unit, fabricated on a single chip of semiconductor is called ?
A. RAM
B. Microprocessor
C. ROM
D. RAM
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