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The name services of DCE include ________

A. the Cell Directory Service

B. the Global Directory Service

C. the Global Directory Agent

D. A,B and C

Correct Answer :

D. A,B and C


Related Questions

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A standard UNIX system includes a set of ___________ and a set of ___________.

A. Commands ,files

B. Libraries, Applications

C. Libraries, files

D. Files, Applications

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______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.

A. Race condition

B. Mutual exclusion

C. Exception

D. Interrupt

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4

Recently deleted files are stored in

A. Taskbar

B. Desktop

C. My computer

D. Recycle bin

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4

Transparent RPC mechanism refers to :

A. Existance of multuple computer visible and a provide a single system image to its users.

B. It runs the program transparently.

C. It is a technique to shift the program to other computer.

D. It is technique in which local procedures and remote procedures are indistinguishable to programmers.

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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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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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A _____________is a collection of processors that do not share memory, peripheral devices,or a clock.

A. Computer system

B. distributed system

C. network

D. None of the above

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4

The name services of DCE include ________

A. the Cell Directory Service

B. the Global Directory Service

C. the Global Directory Agent

D. A,B and C

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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 one of the following statements is true?

A. The cat command cares which file it receives as input or where the input goes.

B. Relative pathnames begin with something other than the slash character

C. UNIX shells never remember their current working directory (CW.

D. The cat command interprets -X as an option character rather than a pathname.

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Ext2 is the standard file system of _______ and uses a block size of_____bytes

A. MS DOS,8K

B. Linux ,1024

C. Linux, 512

D. Unix, 512

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4

The Network Time Protocol is similar to _______________algorithm in that synchronization is also performed using time servers and an attempt is made to correct for communication latencies.

A. Banker's

B. Divide and conquer's

C. Cristians

D. Xdelta's

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______________approach simplifies debugging and system verification.

A. Kernel

B. Layered

C. Extended

D. Virtual machine

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BSD stands for_____________________

A. Basic Software Division

B. Berkeley Software Distribution

C. British Software Distribution

D. Berkeley Software data

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In the case of____________ , changes to an open file are only locally visible.

A. session semantics

B. immutable files

C. atomic transactions

D. None of the above.

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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

The maximum size of a write file is limited to only

A. Name of the file

B. Extension of the file

C. The amount of memory in your computer

D. All of above

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____________ file system allows sharing in multiple different locations grouped under one folder.

A. Direct

B. distributed

C. sequential

D. parallel

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_____________typically contains temporary data such as subroutine parameter, return address, and temporary variables.

A. Current value of Program Counter

B. Value of the variables

C. The process stack

D. A data section

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PVM stands for

A. Parallel Virtual Machine

B. Parallel Virtual Message

C. Process Virtual Machine

D. Process Virtual Monitor

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A solution to starvation is _____________.

A. segmentation

B. Aging

C. Paging

D. virtual memory

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Choose the correct statement from the following.

A. In computer terminology, variables are symbols which stand for some value.

B. An alternative method for executing the commands in the file backup is to make the file as directory.

C. The restricted shell gives more control to the system administrator and restricts the options of the user.

D. The decision making done by computer programs is in the form of conditional execution.

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Wiretapping to capture data in a network is an example of ________________

A. interruption

B. interception

C. fabrication

D. modification

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Bootstrapping is also known as ______

A. cold-hot boot

B. hot boot

C. hot strap

D. cold boot

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_________, 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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A process control block contains varies attributes required by _____________ to control a process.

A. RAM

B. virtual memory

C. BIOS

D. Operating System

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A two-byte integer called ____________is interpreted as an index into an array of inodes in a fixed, known location on disk.

A. an inode

B. an inumber

C. an imap

D. an imark

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4

The primary purpose of an operating system is:

A. To allow people to use the computer,

B. To make the most efficient use of the computer hardware

C. To make computers easier to use

D. To keep systems programmers employed

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4

Which components appear in the initial windows start up display?

A. Dialog box

B. Task bar

C. Start menu

D. All of the above

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The date and time displays on

A. Taskbar

B. Launch pad

C. Status bar

D. System tray