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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 28 Nov 2025 12:53 PM study24x7 study24x7

Which of the following technique is used for fragment?

A

a technique used in best-effort delivery systems to avoid endlessly looping packets

B

a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame

C

one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size

D

All of the above

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 28 Nov 2025 12:50 PM study24x7 study24x7

How many hosts are attached to each of the local area networks at your site?

A

128

B

254

C

256

D

64

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 28 Nov 2025 12:49 PM study24x7 study24x7

The Internet Control Message Protocol (ICMP)

A

allows gateways to send error a control messages to other gateways or hosts

B

provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another

C

reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem

D

All of the above

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 27 Nov 2025 01:09 PM study24x7 study24x7

Which of the following is not a disadvantage of wireless LAN?

A

Slower data transmission

B

higher error rate

C

interference of transmissions from different computers

D

All of the above

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 27 Nov 2025 01:07 PM study24x7 study24x7

Which of the following is used for modulation and demodulation?

A

modem

B

protocols

C

gateway

D

multiplexer

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 27 Nov 2025 01:06 PM study24x7 study24x7

What is the default subnet mask for a class C network?

A

127.0.0.1

B

255.0.0.0

C

255.255.0.0

D

255.255.255.0

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 26 Nov 2025 12:57 PM study24x7 study24x7

What are the most commonly used transmission speeds in BPS used in data communication?

A

300

B

1200

C

2400

D

9600

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 26 Nov 2025 12:55 PM study24x7 study24x7

Which of the following condition is used to transmit two packets over a medium at the same time?

A

Contention

B

Collision

C

Synchronous

D

Asynchronous

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 26 Nov 2025 12:55 PM study24x7 study24x7

Frames from one LAN can be transmitted to another LAN via the device

A

Router

B

Bridge

C

Repeater

D

Modem

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 25 Nov 2025 01:01 PM study24x7 study24x7

A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?

A

hot potato routing

B

flooding

C

static routing

D

delta routing

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 25 Nov 2025 12:58 PM study24x7 study24x7

How many digits of the DNIC (Data Network Identification Code) identify the country?

A

first three

B

first four

C

first five

D

first six

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 25 Nov 2025 12:51 PM study24x7 study24x7

Which of the following NIS clients, finds and stores information about an NIS domain and server in linux?

A

ypwhich

B

ypbind

C

ypcat

D

yppoll

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 24 Nov 2025 06:23 PM study24x7 study24x7

How can you navigate around virtual consoles?

A

Alt+Function Key

B

Ctrl+Function Key

C

Ctrl+Alt+Del

D

Alt+a+w+Function Key

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 24 Nov 2025 06:22 PM study24x7 study24x7

What command is used to remove jobs from the print queue?

A

lpq

B

lpr

C

lprm

D

lpc

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 24 Nov 2025 06:22 PM study24x7 study24x7

What layer of OSI determines the interface of the system with the user?

A

Session

B

Data-link

C

Application

D

Network

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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 21 Nov 2025 01:00 PM study24x7 study24x7

Layer one of the OSI model is in linux.

A

network layer

B

transport layer

C

link layer

D

physical layer

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 21 Nov 2025 12:59 PM study24x7 study24x7

In OSI network architecture, the dialogue control and token management are responsible of

A

data link layer

B

transport layer

C

network layer

D

session layer

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 21 Nov 2025 12:58 PM study24x7 study24x7

What command is used to copy directory structures in and out in linux?

A

copy

B

cp - p

C

cpio

D

cp

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 20 Nov 2025 03:38 PM study24x7 study24x7

What command is used with vi editor to append text at end of line in linux?

A

I

B

i

C

a

D

A

Computer Science
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Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/live/makepost.php on line 52
Computer Science
7 followers study24x7 20 Nov 2025 02:47 PM study24x7 study24x7

What command is used to list contents of directories in linux?

A

tar

B

dir

C

lp

D

ls

Computer Science
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