Networking

1) Repeater operates in which layer of the OSI model?  

Answer Is: (A) Physical layer 

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2) Internet is constituted of_____

Answer Is: (A) network of networks

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3) Full name of DNS is ______

Answer Is: (C) Domain Name System

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4) A program which runs in the background and sends results requested by a client is called?

Answer Is: (A) server

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5) Which topology is use, when all nodes are connected in a circular form?

Answer Is: (D) ring

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6) Full name of TCP is _____

Answer Is: (A) Transmission Control Protocol

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7) The network connecting hosts inside a city/ metropolitan limit is called? 

Answer Is: (C) MAN

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8) The network established using Bluetooth technology is called?

Answer Is: (D) PAN

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9) When network hosts are connected without wires, which protocol is used? 

Answer Is: (D) none of them

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10) Which ofthe following layer ofOSI model also called end-to-end layer?

Answer Is: (D) Transport layer

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11) Which OSI model layer is controls transmission of data using particular protocols like TCP or  UDP?

Answer Is: (D) transport

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12) TCP/IP port number 17 is assigned for which protocol. 

Answer Is: (C) quote of the day 

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13) Which of this is not a network edge device?

Answer Is: (D) Switch

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14) Which topology is use, When hosts are connected in a part fully connected manner (with manu missing connections).

Answer Is: (D) partly connected

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15) Which is the first OSI model layer?

Answer Is: (A) physical

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16) Which OSI model layer is controls connection between 2 hosts (like client andServer) during  data communication.

Answer Is: (A) session 

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17) What is the natural mask for a class C Network?

Answer Is: (B) 255.255.255.0

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18) Full name of WAN: 

Answer Is: (D) Wide Area Network

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19) The IETF standards documents are called

Answer Is: (A) RFC

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20) Which command is use, when a file can be copied from local host to remote host (when using FTP).

Answer Is: (B) put

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21) TCP/IP port number 69 is assigned for which protocol.  

Answer Is: (D) Trivial File Transfer Protocol (TFTP) 

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22) Which topology is use, when computers are connected in chain and data hops between hosts till it reaches the intended host. 

Answer Is: (D) partly connected

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23) The structure or format of data is called

Answer Is: (B) Semantics

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24) TCP/IP port number 20 is assigned for which protocol. 

Answer Is: (D) Trivial File Transfer Protocol (TFTP)

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25) A set ofrules that governs data communication

Answer Is: (A) Protocols

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26) IPV4 Address is 

Answer Is: (C) 32 bit 

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27) Full name of MODEM:

Answer Is: (B) MODu1ation DEModu1ation

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28) Combination of two or more networks are called

Answer Is: (A) Internetwork

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29) Which hardware devices that helps the computer to connect to a network.

Answer Is: (D) all of them

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30) What is the use of MODEM?

Answer Is: (C) both a & b

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31) What is the use of Bridge in Network?  

Answer Is: (A) to connect LANs

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32) Full name of WLAN: 

Answer Is: (A) Wireless Local Area Network

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33) Which port No. is reserved for telnet protocol. 

Answer Is: (D) 23

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34) Which OSI model layer is takes care ofencryption, decryption, compression, decompression and  data encoding.

Answer Is: (B) presentation

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35) The last address of IP address represents 

Answer Is: (C) Broadcast address

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36) FTP runs on which port number?

Answer Is: (C) 20

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37) Full name of LAN: 

Answer Is: (B) Local Area Network

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38) The technology which permits data transmission between devices like computers, mobile phone,tablets, headsets, etc. is called?

Answer Is: (A) Bluetooth

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39)  A cable with single copper core and braided metal shield is which type of cable?

Answer Is: (C) coaxial cable 

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40) Which topology is use, when two devices are connected through a dedicated line

Answer Is: (A) point to point

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41) Addresses of classes A, B and C are 

Answer Is: (C) Unicast

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42) Which is the fifth OSI model layer?

Answer Is: (A) session

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43) Bluetooth permits_____

Answer Is: (D) all of them

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44) Which of the following IP address class is Multicast 

Answer Is: (D) Class D

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45) Which topology is use, When each host has a dedicated line connected to any other host on the network?

Answer Is: (A) fully connected

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46) Computer Network is

Answer Is: (D) All of the Above

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47) Full name of UDP is ______

Answer Is: (B) User Datagram Protocol

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48) Which command is use, when working directory on the local host can be changed (when using

Answer Is: (D) lcd

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49) What is the address size of IPv6? 

Answer Is: (C) 128 bit

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50) Full name of MAN:

Answer Is: (C) Metropolitan Area Network

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