Computer Networking Questions and Answers:
In networking terminology, UTP means
(a) Unshielded Twisted pair
(b) Ubiquitous Teflon port
(c) Uniformly Terminating port
(d) Unshielded T-connector port
End – to – end connectivity is provided from host – to – host in the
(a) network layer
(b) transport layer
(c) session layer
(d) none of these
For a 1-Gbps network operating over 4000 km, the delay is the limiting factor, not the bandwidth. Consider a MAN with the average source and destination 20 km apart. At what data rate does the round-trip delay due to the speed of light equal the transmission delay for a 1-KB packet ?
(a) 24 Mbps
(b) 36 Mbps
(c) 40 Mbps
(d) 48 Mbps
Which of the following is the correct order of the four major functions of a computer?
(a) Process, an Output, an Input, a Storage
(b) Input a Output a Process a Storage
(c) Process a Storage, an Input an Output
(d) Input a Process, an Output a Storage
Whether LAN uses
(a) Polar encoding
(b) differential Manchester encoding
(c) Manchester encoding
(d) NRZ
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A desirable property of a module is
(a) independency
(b) low cohesiveness
(c) high coupling
(d) multifunctional
Gateways can function all the way upto
(a) transport layer
(b) session layer
(c) presentation layer
(d) application layer
Which of the following is not relevant to networking ?
(a) Low-end stand-alone hubs
(b) Stackable hubs
(c) Mesh network
(d) Bus hubs
GET method, HEAD method, the post methods are the methods of
(a) HTTP methods
(b) HPTP method
(c) Current standard
(d) None
If a network designer wants to connect 5 routers as point-to-point a simplex line, then the total number of lines required would be
(a) 5
(b) 10
(c) 20
(d) 32
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Which company develops the TCP/IP protocol for networking ?
(a) IBM
(b) DEC
(c) NOVELL
(d) DARPA
The IP was originally designed for
(a) Data net working
(b) Data processing
(c) Data Execution
(d) none
Which one of the following is not a class of LAN ?
(a) Broadband
(b) CSMA/CD
(c) Token bus
(d) Token ring
A local area network
(a) that connects thirty personnel computers can provide more computing power than a minicomputer
(b) controls error detection and correction
(c) constructs packets of data and sends them across the network
(d) none of these
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Different computers are connected to a LAN by a cable and
(a) modem
(b) interface card
(c) special wires
(d) telephone lines
What is a FTP program used for?
(a) Transfer files to and from an Internet Server
(b) Designing a website
(c) Connecting to the internet
(d) None of the above
Bit stuffing refers to
(a) inserting a ‘0’ in the user stream to differentiate it with a flag
(b) inserting a ‘0’ in the flag stream to avoid ambiguity
(c) appending a nibble to the flag sequence
(d) appending a nibble to the used data stream
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A network that contains multiple hubs is most likely configured in which topology ?
(a) Mesh
(b) Tree
(c) Bus
(d) Star
In Ethernet CSMA/CA, the special bit sequence transmitted by media access management collision handling is called
(a) preamble
(b) postamble
(c) jam
(d) none of these
A field in the Ethernet message packet is
(a) Type
(b) Data
(c) Address
(d) All of these
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A 3000 Hz bandwidth noisy channel transmits bits with a signal to thermal noise ratio of 30 dB. What is the maximum data rate of the channel ?
(a) 30 kbps
(b) 90 kbps
(c) 60 kbps
(d) none of these
Which of the following is a valid IP address?
(a) 984.12.787.76
(b) 192.168.321.10
(c) 1.888.234.3456
(d) 192.168.56.115
A high speed communication equipment typically would not be needed for
(a) E-mail
(b) transferring a large volume of data
(c) supporting communication between nodes on a LAN
(d) All of these
In the context of OSI or TCP/IP computer network models, which of the following is FALSE ?
(a) Besides the span of geographical area, the other major difference between LAN and WAN is that the latter uses switching element
(b) A repeater is used just to forward bits from one network to another one.
(c) The IP layer is a connected oriented layer in TCP/IP
(d) A gateway is used to connect incompatible networks
