Computer Networks

MCQ Problems / Explanations

When collection of various computers seems a single coherent system to its client, then it is called

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Two devices are in network if

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Which one of the following computer network is built on the top of another network?

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In computer network nodes are

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Communication channel is shared by all the machines on the network in

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Bluetooth is an example of

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A _____ is a device that forwards packets between networks by processing the routing information included in the pa...

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A list of protocols used by a system, one protocol per layer, is called

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Which one of the following extends a private network across public networks?

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OSI stands for

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The OSI model has ___ layers.

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TCP/IP model does not have ______ layer but OSI model have this layer.

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Which layer links the network support layers and user support layers

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Which address is used in an internet employing the TCP/IP protocols?

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TCP/IP model was developed _____ the OSI model.

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Which layer is responsible for process to process delivery?

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Which address identifies a process on a host?

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Which layer provides the services to user?

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Transmission data rate is decided by

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Which transmission media has the highest transmission speed in a network?

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Bits can be send over guided and unguided media as analog signal by

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The portion of physical layer that interfaces with the media access control sublayer is called

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physical layer provides

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In asynchronous serial communication the physical layer provides

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The physical layer is responsible for

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The physical layer translates logical communication requests from the ______ into hardware specific operations.

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A single channel is shared by multiple signals by

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Wireless transmission can be done via

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The data link layer takes the packets from _____ and encapsulates them into frames for transmission.

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Which one of the following task is not done by data link layer?

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Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

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Header of a frame generally contains

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Automatic repeat request error management mechanism is provided by

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When 2 or more bits in a data unit has been changed during the transmission, the error is called

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CRC stands for

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Which one of the following is a data link protocol?

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Which one of the following is the multiple access protocol for channel access control?

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The technique of temporarily delaying outgoing outgoing acknowledgements so that they can be hooked onto the next o...

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The network layer concerns with

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Which one of the following is not a function of network layer?

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The 4 byte IP address consists of

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In virtual circuit network each packet contains

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Which one of the following routing algorithm can be used for network layer design?

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Multidestination routing

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A subset of a network that includes all the routers but contains no loops is called

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Which one of the following algorithm is not used for congestion control?

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The network layer protocol of internet is

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Transport layer aggregates data from different applications into a single stream before passing it to

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Which one of the following is a transport layer protocol used in internet?

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User datagram protocol is called connectionless because

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Transmission control protocol is

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An endpoint of an inter-process communication flow across a computer network is called

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Socket-style API for windows is called

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Which one of the following is a version of UDP with congestion control?

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A _____ is a TCP name for a transport service access point.

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The ____ translates internet domain and host names to IP address.

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Teredo is an automatic tunneling technique. In each client the obfuscated IPv4 address is represented by bits

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Which one of the following allows a user at one site to establish a connection to another site and then pass keystr...

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Application layer protocol defines

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Which one of the following protocol delivers/stores mail to reciever server?

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The ASCII encoding of binary data is called

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Which one of the following is an internet standard protocol for managing devices on IP network?

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Which one of the following is not an application layer protocol?

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Which protocol is a signalling communication protocol used for controlling multimedia communication sessions?

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Which one of the following is not correct?

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When displaying a web page, the application layer uses the

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The entire hostname has a maximum of

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A DNS client is called

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Servers handle requests for other domains

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DNS database contains

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If a server has no clue about where to find the address for a hostname then

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Which one of the following allows client to update their DNS entry as their IP address change?

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Wildcard domain names start with label

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The right to use a domain name is delegated by domain name registers which are accredited by

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The domain name system is maintained by

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Which one of the following is not true?

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Telnet protocol is used to establish a connection to

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Which one of the following is not true?

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All telnet operations are sent as

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AbsoluteTelnet is a telnet client for

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The decimal code of interpret as command (IAC) character is

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In character mode operation of telnet implementation

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Which one of the following is not correct?

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Which operating mode of telnet is full duplex?

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If we want that a character be interpreted by the client instead of server

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Dynamic web page

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What is a web browser?

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Common gateway interface is used to

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URL stands for

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A web cookie is a small piece of data

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Which one of the following is not used to generate dynamic web pages?

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An alternative of javascript on windows platform is

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What is document object model (DOM)?

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AJAX stands for

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Multiple object can be sent over a TCP connection between client and server in

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HTTP is ________ protocol.

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In the network HTTP resources are located by

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HTTP client requests by establishing a __________ connection to a particular port on the server.

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In HTTP pipelining

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FTP server listens for connection on port number

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