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Computer Networks

Description: Brush out your skills in Networking field
Number of Questions: 25
Created by:
Tags: Computer Networks OSI Layers Topologies Type of Networks Networking Wires Types of Cables Ethernet Network Standards LAN WAN MAN SAN Data Communication & Networks
Attempted 0/25 Correct 0 Score 0

Which topology requires a multipoint connection?

  1. Bus

  2. Star

  3. Mesh

  4. Ring

  5. None of these


Correct Option: A
Explanation:

Correct Answer: Bus

Which topology requires a central controller or hub?

  1. Bus

  2. Star

  3. Mesh

  4. Ring


Correct Option: B

Transmission media are closest to the _______________ layer.

  1. physical

  2. network

  3. transport

  4. application


Correct Option: A

___________ is a cellular telephone system popular in Europe.

  1. AMPS

  2. D_AMPS

  3. GSM

  4. IS95


Correct Option: C

Transmission media are usually categorized as

  1. fixed or unfixed

  2. guided or unguided

  3. determinate or undeterminate

  4. metallic or nonmetallic


Correct Option: B

__________ is an association that sponsors the use of infrared waves.

  1. IRDA

  2. EIA

  3. FCC

  4. PUD


Correct Option: A

LEO satellite has _______________ orbit.

  1. an equatorial

  2. an inclined

  3. a polar

  4. none of the above


Correct Option: C

During an FTP session, the data connection is opened

  1. exactly once

  2. exactly twice

  3. as many times as necessary

  4. none of the above


Correct Option: C

In anonymous FTP, the user can usually

  1. retrieve

  2. navigate through directories

  3. store file

  4. all of the above


Correct Option: A

The __________ field in the MIME header uses text to describe the data in body of the message.

  1. content type

  2. content transfer

  3. content Id

  4. none of these


Correct Option: A

To find the IP address of a host when the domain name is known, ________ can be used.

  1. inverse domain

  2. generic domain

  3. country domain

  4. none of these


Correct Option: A

If a user needs to send the server some information, the request line method is

  1. OPTION

  2. PATCH

  3. MOVE

  4. POST


Correct Option: D

If a user needs to move a file to another location, the request line method is ________.

  1. MOVE

  2. PUT

  3. GET

  4. PATCH


Correct Option: A

A resolver is a

  1. DNS client

  2. DNS server

  3. Host machine

  4. Root server


Correct Option: A

A_____ station has Ethernet LAN uses a four port bridge. Each station has an effective average data rate of 1.25Mbps.

  1. 60

  2. 50

  3. 54

  4. 32


Correct Option: D

A DNS __________ server gets its data from another DNS server.

  1. primary

  2. secondary

  3. root

  4. none of the above


Correct Option: B

In address to name resolution, the _______ domain is used.

  1. inverse

  2. reverse

  3. generic

  4. country


Correct Option: A

Forty stations are on an Ethernet LAN. A 10- port bridge segment the LAN. What is the effective average data rate of each station?

  1. 1.0 Mbps

  2. 2.0 Mbps

  3. 2.5 Mbps

  4. 5.0 Mbps


Correct Option: C

Which of the following is a four wire gigabit Ethernet implementation?

  1. 1Base-SX

  2. 1Base-LX

  3. 1Base-CX

  4. 1Base-T


Correct Option: A

What is/are the purpose(s) of LCP packets?

  1. Configuration

  2. Termination

  3. Option negotiation

  4. All of the above


Correct Option: D

In the PPP frame, the _________ field is for error control.

  1. flag

  2. control

  3. protocol

  4. FCS


Correct Option: B

HTTP has similarities to both ____ and _________.

  1. FTP; SNMP

  2. FTP; SMTP

  3. FTP; MTV

  4. None of these


Correct Option: B

The RSA algorithm uses a ____________ cryptography method.

  1. public key

  2. private key

  3. symmetric

  4. none of these


Correct Option: A

The __________ header can specify the server configuration or provide information about

  1. control

  2. request

  3. response

  4. entity


Correct Option: B

During an FTP session, the control connection is opened

  1. exactly once

  2. exactly twice

  3. as many times as necessary

  4. none of the above


Correct Option: A
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