Computer Networking Questions and Answers:
Question: In networking terminology, UTP means
(a) Unshielded Twisted pair
(b) Ubiquitous Teflon port
(c) Uniformly Terminating port
(d) Unshielded T-connector port
Question: 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
Question: 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
Question: 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
Question: Whether LAN uses
(a) Polar encoding
(b) differential Manchester encoding
(c) Manchester encoding
(d) NRZ
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Question: A desirable property of a module is
(a) independency
(b) low cohesiveness
(c) high coupling
(d) multifunctional
Question: Gateways can function all the way upto
(a) transport layer
(b) session layer
(c) presentation layer
(d) application layer
Question: Which of the following is not relevant to networking ?
(a) Low-end stand-alone hubs
(b) Stackable hubs
(c) Mesh network
(d) Bus hubs
Question: GET method, HEAD method, the post methods are the methods of
(a) HTTP methods
(b) HPTP method
(c) Current standard
(d) None
Question: 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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Question: Which company develops the TCP/IP protocol for networking ?
(a) IBM
(b) DEC
(c) NOVELL
(d) DARPA
Question: The IP was originally designed for
(a) Data net working
(b) Data processing
(c) Data Execution
(d) none
Question: Which one of the following is not a class of LAN ?
(a) Broadband
(b) CSMA/CD
(c) Token bus
(d) Token ring
Question: 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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Question: Different computers are connected to a LAN by a cable and
(a) modem
(b) interface card
(c) special wires
(d) telephone lines
Question: 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
Question: 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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Question: A network that contains multiple hubs is most likely configured in which topology ?
(a) Mesh
(b) Tree
(c) Bus
(d) Star
Question: 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
Question: A field in the Ethernet message packet is
(a) Type
(b) Data
(c) Address
(d) All of these
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Question: 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
Question: 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
Question: 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
Question: 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
