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Computer Science

Description: mock
Number of Questions: 15
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Tags: Distributed systems B. Tech.
Attempted 0/15 Correct 0 Score 0

What is the range of WPAN?

  1. 1-2 km

  2. Worldwide

  3. 0.15-1.5 km

  4. 10-30 m

  5. 5-50 km


Correct Option: D
Explanation:

WPAN stands for Wireless Personal Area Network and its range is 10-30 m.

The IP address 10.100.0.1 belongs to class

  1. A

  2. B

  3. C

  4. D

  5. E


Correct Option: A
Explanation:

Class A range is 1.0.0.0 to 127.255.255.255.

__________ means the message received is identical to the one sent and no messages are delivered twice.

  1. Authentication

  2. Throughput

  3. Security

  4. Validity

  5. Integrity


Correct Option: E
Explanation:

The message received is identical to one sent and no messages are delivered twice.

The situation in which multiple users in a distributed system send concurrent request to its resources is called

  1. redundancy

  2. transparency

  3. scalability

  4. concurrency

  5. security


Correct Option: D
Explanation:

Multiple users concurrent requests to their resources.

__________ software requires a domain name to be returned given an IP address.

  1. Reverse resolution

  2. Host information

  3. Well-known services

  4. Host name resolution

  5. Mail host location


Correct Option: A
Explanation:

This is just the reverse of the normal host name query, but the name server receiving the query replies only if the IP address is in its own domain.

Which layer transfers data packets between computers in a specific network?

  1. Physical

  2. Data link

  3. Network

  4. Transport

  5. Application


Correct Option: C
Explanation:

Transfers data packets between computers in a specific network

Which protocol is used to send mail between computers?

  1. Telnet

  2. HTTP

  3. FTP

  4. SMTP

  5. Socket


Correct Option: A
Explanation:

Telnet provides access by means of terminal session to a remote computer. Simple mail transfer protocol is used to send mail between computers.

In the internet address space, ______ class is reserved for internet multicast communication.

  1. A

  2. B

  3. C

  4. D

  5. E


Correct Option: D
Explanation:

Reserved for internet multicast communication

FTP is a part of ___ layer.

  1. session

  2. transport

  3. network

  4. application

  5. data link


Correct Option: D
Explanation:

HTTP, FTP

_____ selects one of the server stub procedures according to the procedure identifier in the request message.

  1. Communication module

  2. Service procedure

  3. Dispatcher

  4. Client stub procedure

  5. Client program


Correct Option: C
Explanation:

Dispatcher will marshal the procedure identifier and unmarshal the result, and select one of the server stub procedures according to the procedure identifier in the request message.

Resources are identified using

  1. HTTP

  2. URL

  3. HTML

  4. Server

  5. Client


Correct Option: B
Explanation:

URL identifies documents and other resources stored as part of the web.

What is the generic domain for US military organisation?

  1. int

  2. edu

  3. com

  4. mil

  5. gov


Correct Option: D
Explanation:

mil is for US military organisation.

What is the global system of interconnected computer networks called?

  1. Internet

  2. Intranet

  3. Operating system

  4. Software

  5. Server


Correct Option: A
Explanation:

Internet is a global system because it interconnects the networks worldwide.

How many layers are there in ISO OSI reference model?

  1. 7

  2. 5

  3. 4

  4. 6

  5. 3


Correct Option: A
Explanation:

OSI reference model is 7 layered architecture.

The set of rules and formats to be used for communication between processes is called

  1. adaptive routing

  2. protocol stack

  3. packet

  4. broadcast

  5. protocol


Correct Option: E
Explanation:

Set of rules used for communication is known as protocol.

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