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MCQ

What does GNU stand for?

GNU's not Unix

Greek Needed Unix

General Unix

General Noble Unix

None of the above

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The physical layer of a network

constructs packets of data and sends them across the network

controls error detection and correction

defines the electrical characteristics of signals passed between the computer and communication devices

All of the above

None of the above

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MCQ

What file specifies the order in which to use specified name services?

/etc/services

/etc/nsorder

/etc/nsswitch.conf

/etc/hosts

None of the above

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MCQ

If a process does not call exec after forking ____________

the program specified in the parameter to exec will replace the entire process

all the threads should be duplicated

all the threads should not be duplicated

none of the mentioned

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MCQ

What command is used with file named 'letter' to remove the executable permission from the user and assign read permission to the group and others?

chmod go + x, u - x letter

chmod g - x, uo + r letter

chmod go + r, u + x letter

chmod u - x, go + r letter

None of the above

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MCQ

What types of installations require a special boot disk?

NFS

FTP

PCMCIA

All of the above

None of the above

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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