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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

Correct Answer :

C. Cristians


Related Questions

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4

Which components appear in the initial Windows start up display?

A. Start menu

B. Dialog boxes

C. Taskbar

D. All of above

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4

When a peripheral device needs immediate attention from the operating system, it generates a(n)

A. Page file

B. Spool

C. Stack

D. Interrupt

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4

____ runs on a computer hardware and serves as a platform for other system to run on

A. System software

B. Operating system

C. Application system

D. All of above

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4

In ________________________ each node periodically sends a message to the time server.

A. Passive Time Server Centralized Algorithm

B. Active Time Server Centralized Algorithm

C. Global Averaging Distributed Algorithms

D. Localized Averaging Distributed Algorithms

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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

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

One of the wonderful things about UNIX is its ___________names.

A. Unlimited path

B. Unlimited directory

C. Limited path

D. Limited file

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4

BSD stands for_____________________

A. Basic Software Division

B. Berkeley Software Distribution

C. British Software Distribution

D. Berkeley Software data

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4

The time taken by the Dispatcher to stop one process and start another running is known as _________________.

A. Turnaround time

B. Dispatch Latency

C. Access time

D. Response time

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4

_______refers to the block size of the DSM system, i.e. to the units of sharing and the unit of data transfer across the network when a network block fault occurs.

A. Granularity

B. Coherence

C. Abstraction

D. Synchronization

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4

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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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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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

When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called

A. Bootstrap

B. System configuration

C. Power on self test (POST)

D. Kernel loading

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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

What do you mean by 0-reliable level in multicast communication?

A. Multiple responses is expected from any receivers.

B. No response is expected from any receivers.

C. Multiple responses is expected from multiple receivers.

D. A multicast message is received by all the members of the group or none.

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4

In case of ____________________transparency a file can transparently move to another server.

A. Location

B. Migration

C. Replication

D. Concurrency

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4

In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

A. No buffering

B. Single message buffering

C. Unbounded-capacity buffer

D. Finite bound buffer

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4

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

A. interruption

B. interception

C. fabrication

D. modification

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4

______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.

A. Livelock

B. Preemption

C. Semaphore

D. either or

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4

______________ 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

Objects location is found by _________________

A. Broadcasting

B. Encoding Location of objects within UID

C. Searching creator node first and then broadcasting

D. All A, B, C

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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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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

In Multics, a process could have up to 256K segments, but each segment was limited to ___________ 64K words.

A. 64K

B. 32K

C. 1024K

D. 112K

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4

An unauthorized party inserts counterfeit objects into the system is called_________________

A. interruption

B. interception

C. fabrication

D. modification

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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

The find command is different from most UNIX commands in that each of the argument expressions following the beginning path name is considered a _____________

A. action expression

B. Boolean expression.

C. Boolean constant

D. Search qualifiers

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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

_____________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