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4

_________, as a feature of good distributed file system, clients should be able to continue working if a file server crashes. Likewise, data must not be lost and a restarted file server must be able to recover to a valid state.

A. Scalability

B. Reliability

C. Flexibility

D. Fault tolerance

Correct Answer :

D. Fault tolerance


Related Questions

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4

Bootstrapping is also known as ______

A. cold-hot boot

B. hot boot

C. hot strap

D. cold boot

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4

Creation of a semaphore set is done using the _______system call.

A. semget()

B. semsget()

C. mknod()

D. sempget()

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4

A shared memory segment first needs to be allocated (create, using the__________ system call.

A. semget()

B. msgrcv()

C. shmget()

D. mknod()

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4

The Basic Input Output System (BIOS) resides in

A. RAM

B. ROM

C. The CPU

D. Memory Cache

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4

Having data belonging to two independent processes in the same page is called____________.

A. Buffering

B. Blocking

C. Message-passing

D. False sharing

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4

The _________takes any characters from standard input, and then echoes them to standard output.

A. kill character

B. cat command

C. cate command

D. control command

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4

______________ is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.

A. Semaphore

B. Deadlock

C. Mutual Exclusion

D. No preemption

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4

__ is the program run on a computer when the computer boots up

A. System software

B. Operating system

C. System operations

D. None

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4

Because the I/O devices are not synchronized with the CPU, some information must be exchanged between the CPU and the device to ensure that the data is received reliably. This interaction between the CPU and an I/O device is usually referred to as ____________

A. polling

B. arbitration

C. handshaking

D. interrupting

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4

IPC stands for _________

A. Integrated parallel communication

B. Intermediate process call

C. Internal program call

D. Inter process communication

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4

The command used to create logical drive for specific location of disk

A. Format

B. Fdisk

C. Subst

D. All of the above

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4

In ____________ location policies a random node is polled to check its state and the task is transferred if it will not be overloaded; polling is continued until a suitable node is found.

A. Threshold

B. Shortest

C. Bidding

D. Pairing

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4

Which of the following is drop down list?

A. Combo box

B. List

C. Text area

D. None

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4

In case of ________________the server automatically copies files to other servers after the files are written.

A. Explicit replication

B. Implicit replication

C. Lazy file replication

D. Group file replication

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4

Which command is used to display the contents of the text file of DOS?

A. Copy

B. Copy con

C. Dir

D. Type

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4

In___________, the requesting device or devices assert the signal bus_request.

A. Priority encoded arbitration

B. Distributed arbitration by self-selection

C. Priority arbitration

D. Daisy chain arbitration

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4

DSM stands for______________

A. Direct shared memory

B. Direct system memory

C. Distributed shared memory

D. Distributed system memory

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4

The controller can access memory in memory cycles which are not used by the particular bank of memory into which the DMA controller is writing data. This approach, called _________

A. interrupting

B. cycle stealing

C. swapping

D. paging

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4

The early ARPAnet is an example of a distributed computing system based on the ________________.

A. Minicomputer model

B. Workstation model

C. Hybrid model

D. Processor pool model

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4

Once text has been cut to the clipboard, you can____hat text into another document

A. Copy

B. Paste

C. Transfer

D. None of the above

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4

Pick the wrong statement from the following.

A. UNIX systems originally came with a command interpreter called the Bourne Shell.

B. The cat command takes any characters from standard input, and then echoes them to standard output.

C. A pipe is a means of taking the output of one command and directing it as another command.

D. The manual entry is called a man page, even though it is often more than one page long.

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4

Find out the characteristics of System-oriented names:

A. They are large integers or bit strings.

B. They are of the same size

C. Generally shorter than human-oriented names and are easy for manipulations like hashing, sorting and so on.

D. All A, B, C

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4

The algorithm should be scalable i.e. _____________.

A. The system should not enter a state in which nodes spend all their time migrating processes or exchanging control messages without doing any useful work.

B. The system should be able to handle small and large networked systems.

C. The algorithm should not be affected by the crash of one or more nodes in the system.

D. The process assignment decisions should be based on the current load of the system and not on some fixed static policy.

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4

To install the new font

A. Start -> setting -> font

B. Start -> control panel -> font -> install new font

C. Start -> setting -> control panel -> font -> install new font

D. Start -> setting -> control panel -> font

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4

In layered approach each layer uses the functions and services of ------------------

A. kernel

B. lower-level layers

C. higher-level layers

D. all of these

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4

A small part of taskbar that has icons of background running applications is

A. Start button

B. Quick launch

C. Task bar

D. System tray

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4

Taskbar is used for

A. Navigation program

B. Start a program

C. Switching between program

D. All of above

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4

A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.

A. name

B. attribute

C. identifiers

D. addresses

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4

_________, as a feature of good distributed file system, clients should be able to continue working if a file server crashes. Likewise, data must not be lost and a restarted file server must be able to recover to a valid state.

A. Scalability

B. Reliability

C. Flexibility

D. Fault tolerance

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4

Whenever you move a directory from one location to another

A. The directory is moved the source file is not moved

B. All the subdirectory inside that directory are moved

C. All files inside the directory are moved

D. Both b and c