Fundamentals Of Data Communication and Networking
1. Which of the following is not a type of network topology ?
a) Ring
b) Star
c) Circle
d) Bus
2. The network device converts digital signals into analogue signals and can be connected through a telephone is called --------------
a) Modem
b) Hotspot
c) Router
d) Bridge
3. Which of the following terms is related to sending data to a satelite ?
a) Uplink
b) Modem
c) Switch
d) Modular
4. ---------- topology is the simplest topology that connects two nodes directly together with a common link ?
a) Point to Point
b) Line
c) Ring
d) Star
5. Which is the shortest network covering network ?
a) LAN
b) MAN
c) WAN
d) PAN
6. When two or more topologies connect together , they are called
a) Tree topology
b) Cluster topology
c) Hybrid topology
d) Mesh topology
7. ATM is a form of ---------------
a) Local area network
b) Wide area network
c) Metropolitan area network
d) Personal area network
8. ------------ is a small hardware device which joins multiple computers together with a single LAN
a) Modem
b) Switch
c) Modular
d) Router
9. A collection of various computers into a single coherent system , provided to a client , is called ----
a) Distributed system
b) Computer network
c) Systematic network
d) Collective network
10. A network which is constructed by using public wires to connect to a private network is called -----
a) Local area network
b) Wide area network
c) Metropolitan area network
11. What is internet ?
a) A single network
b) A vast collection of different networks
c) Interconnection of local area network networks
d) None of the mentioned
12. To join the internet , the computer has to be connected to a
a) Internet architecture board
b) Internet society
c) Internet service provider
d) None of above
13. Internet access by transmitting digital data over the wires of a local telephone network is provided by
a) Leased line
b) Digital Subscriber line
c) Digital signal line
d) None of the mentioned
14. ISP exchanges internet traffic between their networks by
a) Internet exchange point
b) Subscriber end point
c) ISP and Point
d) None
15. Which one of the following protocol is not used in internet ?
a) HTTP
b) DHCP
c) DNS
d) None
16. IPv6 addressed have a size of
a) 32 bits
b) 64 bits
c) 128 bits
d) 265 bits
17. Internet works on
a) Packet switching
b) Circuit switching
c) Both packet switching and circuit switching
d) None of the mentioned
18. Which one of the following is not an application layer protocol used in Internet ?
a) Remote procedure call
b) Internet relay chat
c) Resource reservation protocol
d) None
19. Which protocol assigns IP address to the client connected in the internet ?
a) DHCP
b) IP
c) RPC
d) None
20. Which one of the following is not used in media access control ?
a) Ethernet
b) Digital Subscriber line
c) Fibre distributed data interface
21. When collection of various computers seems a single coherent system to its client , then it is called
a) Computer network
b) Distributed system
c) Both ( a ) and ( b )
d) None of these
22. Which one of the following computer network is built on the top of another network ?
a) Overlay network
b) Prior network
c) Chief network
d) Prime network
23. Two devices are in network if
a) PIDs of the processes running of different devices are same
b) A process in one device is able to exchange information with a process in another device
c) A process is running on both devices
d) None of these
24. Communication channel is shared by all the machines on the network in
s) Multicast network
b) Broadcast network
c) Unicast network
d) None
25. In computer network nodes are
a) The computer that originates the data
b) The computer that terminates the data
c) The computer that routes the data
d) All of these
26. The IETF standards documents are called
a) RFC
b) ID
c) RCF
d) None of these
27. The structure or format of data is called
a) Semantics
b) Syntax
c) Struct
d) None
28. In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are
a) Modified
b) Removed
c) Added
d) Rearranged
29. Communication between a computer and a keyboard involves --------- transmission
a) Simplex
b) Automatic
c) Full duplex
d) Half duplex
30. The first network
a) ARPANET
b) CNNET
c) ASAPNET
31. The IETF standards documents are called
a) RFC
b) RCF
c) ID
d) None
32. In the layer hierarchy as the data packet moves from the upper to the lower layers , headers are
a) Added
b) Removed
c) Rearranged
d) Modified
33. The structure or format of data is called
a) Syntax
b) Semantics
c) Struct
d) None
34. Communication between a computer and a keyboard involves --------- transmission
a) Automatic
b) Half- duplex
c) Full-duplex
d) Simplex
35. The first network
a) CNNET
b) NSFNET
c) ASAPNET
d) ARPANET
36. The ----------- is the physical path over which a message travels
a) Path
b) Medium
c) Protocol
d) Route
37. Which organization has authority over interstate and international commerce in the communications field ?
a) ITU-T
b) IEEE
c) FCC
d) ISOC
38. Which of this is not a network edge device ?
a) PC
b) Smartphones
c) Servers
d) Switch
39. A set of rules that governs data communication
a) Protocols
b) Standards
c) RFCs
d) None
40. Three or more devices share a link in --------- connection
a) Unipoint
b) Multipoint
c) Point to point
41. When collection of various computers seems a single coherent system to its client , then it is called
a) Computer network
b) Distributed system
c) Networking system
d) None of the method
42. Two devices are in network if
a) A process in one device is able to exchange information with a process in another device
b) A process is running on both devices
c) PIDs of the processes running of different devices are same
d) None
43. Which one of the following computer network is built on the top of another network ?
a) Prior network
b) Chief network
c) Prime network
d) Overlay network
44. In computer network nodes are
a) The computer that originates the network
b) The computer that routes the data
c) The computer that terminates the data
d) All of mentioned
45. Communication channel is shared by all the machines on the network in
a) Broadcast network
b) Unicast network
c) Multicast network
d) None
46. Bluetooth is an example of
a) Personal area network
b) Local area network
c) Virtual private network
d) None
47. A ------------ is a device that forwards packets between networks by processing the routing information included in the packet
a) Bridge
b) Firewall
c) Router
d) All
48. A list of protocols used by a system , one protocol per layer is called
a) Protocol architecture
b) Protocol Stack
c) Protocol suite
d) None
49. Network congestion occurs
a) In case of traffic overloading
b) When a system terminates
c) When connection between two nodes terminates
d) None
50. Which one of the following extends a private network across public networks ?
a) Local area network
b) Virtual private network
c) Enterprise private network
d) Storage area network
51. The data link layer takes the packets from ----------- and encapsulates them into frames for transmission .
a) Network layer
b) Physical layer
c) Transport layer
52. Which one of the following task is not done by datalink layer ?
a) Framing
b) Error in control
c) Flow control
d) Channel coding
53. Which sublayer of the data link layer performs data link functions that depend upon the type of medium ?
a) Logical link control sublayer
b) Media access control sublayer
c) Network interface control sublayer
d) None
54. Header of a frame generally contains
a) Synchronization bytes
b) Address
c) Frame identifier
d) All
55. Automatic repeat request error management mechanism is provided by
a) Logical link control sublayer
b) Media access control sublayer
c) Network interface control sublayer
d) None
a) Random error
b) Burst error
c) Inverted error
d) None
57. CRC stands for
a) Cyclic redundancy check
b) Code repeat check
c) Code redundancy check
d) Cyclic repeat check
58. Which one of the following is a data link protocol ?
a) Ethernet
b) Point to point protocol
c) hdlc
d) All of above
59. Which one of the following is the multiple access protocol for channel access control ?
a) CSMA/CD
b) CSMA/CA
c) Both CSMA/CD & CSMA/CA
d) None
60. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called
a) Piggybacking
b) Cyclic redundancy check
c) Fletcher's checksum
61. Physical or logical arrangement of network is ----------
a) Topology
b) Routing
c) Networking
d) None of above
62. In which topology there is a central controller or hub ?
a) Star
b) Mesh
c) Ring
d) Bus
63. This topology requires multipoint connection
a) Star
b) Mesh
c) Ring
d) Bus
64. Data communication system spanning states , countries or the whole world is ------------
a) LAN
b) WAN
c) MAN
d) None
65. Data communication system within a building or campus ----------
a) LAN
b) WAN
c) MAN
d) None
66. Expand WAN ?
a) World area network
b) Wide area network
c) Web area network
d) None
67. In TDM , slots are further divided into ----------
a) Seconds
b) Frames
c) Packets
d) None
68. The number of objects in a Web page which consists of 4 jpeg images and HTML text is --------
a) 4
b) 1
c) 5
d) 7
69. The default connection type used by HTTP is -----------
a) Persistent
b) Non-persistent
c) Can be either persistent or non-persistent depending on connection request
d) None
70. The time taken by a packet to travel from client to server and then back to the client is called
a) STT
b) RTT
c) PTT
71. The HTTP request message is sent in ------- part of three way handshake .
a) First
b) Second
c) Third
d) Fourth
72. In the process of fetching a web page from a server the HTTP request / responses takes -----RTTs.
a) 2
b) 1
c) 4
d) 3
73. The first line of HTTP request message is called
a) Request line
b) Header line
c) Status line
d) Entity line
74. The values GET , POST , HEAD etc are specified in -------- of HTTP message .
a) Request line
b) Header line
c) Status line
d) Entity line
75. The --------- method when used in the method field , leaves entity body empty .
a) POST
b) SEND
c) GET
d) PUT
76. The HTTP response message leaves out the requested object when -------- method is used
a) GET
b) POST
c) HEAD
d) PUT
77. Find the oddly matched HTTP status codes
a) 200 OK
b) 400 Bad Request
c) 301 Moved permanently
d) 304 Not Found
78. A piece of icon or image on a web page associated with another webpage is called
a) URL
b) Hyperlink
c) Plugin
d) None
79. Dynamic web page
a) Is same every time whenever it displays
b) Generates on demand by a program or request from browser
c) Both is same every time whenever it displays and generates on demand by a program or a request from browser
d) None
80. What is web browser ?
a) A program that can display a web page
b) A program used to view html documents
c) It enables user to access the resources of internet
81. Common gateway interface is used to
a) Generate executable files from web content by web server
b) Generate web pages
c) Stream videos
d) None
82. URL stands for
a) Unique reference label
b) Uniform reference label
c) Uniform resource locator
d) Unique resource locator
83. A web cookie is a small piece of data
a) Sent from a website and stored in user's web browser while a user is browsing a website
b) Sent from user and stored in the server while a user is browsing a website
c) Sent from root server to all servers
d) None
84. Which one of the following is not used to generate dynamic web pages
a) PHP
b) ASP.NET
c) JSP
d) None
85. An alternative of JavaScript on windows platform is
a) VBScript
b) ASP.NET
c) JSP
d) None
86. What is document object model ( DOM ) ?
a) Convention for representing and interacting with objects in html documents
b) Application programming interface
c) Hierarchy of objects in ASP.NET
d) None
87. AJAX stands for
a) Asynchronous JavaScript and xml
b) Advanced JSP and xml
c) Asynchronous JSP and xml
d) Advanced JavaScript and xml
88. Addresses separate the user name from the ISP using the ---------- symbol .
a) &
b) @
c) %
d) *
89. The mail server as defined in the text uses the -------- protocol .
a) HTTP
b) FTP
c) POP
d) SMTP
90. To send email to a large group at one time , a --------- can be use
a) Listserv
b) Group
c) Alias
91. When sending an email , the ------- line describes the contents of the message .
a) to
b) Subject
c) Contents
d) CC
92. Unsolicited commercial email is commonly known as ----------
a) Junk
b) Hoaxes
c) Spam
d) Hypertext
93. News servers utilize --------- to distribute documents to readers .
a) NNTP
b) NEWS
c) HTTP
d) FTP
94. To search FTP archives for a file , you should use the -------- tool .
a) Gopher
b) Jughead
c) Archie
d) Jalopy
95. ------------ is often referred to as " the CB of the Internet " .
a) IRC
b) FTP
c) Email
d) HTTP
96. Discussion groups may have a ---------- who monitors the posting and enforces the site's rules .
a) Judge
b) Sysop
c) Narrator
d) Sensor
97. A message with replies on a newsgroup is often called a ---------
a) Post
b) List
c) Thread
d) Comment
98. The computer network is
a) Network computer with cable
b) Network computer without cable
c) Both the above
d) None of above
99. FDDI used which type of physical topology ?
a) BUS
b) Ring
c) Star
d) Tree
100. FTP stands for
a) File transfer protocol
b) File transmission protocol
c) Form transfer protocol
101. Ethernet system uses , which of the following technology
a) BUS
b) Ring
c) Star
d) Tree
102. Which of the following are the network's services ?
a) File service
b) Print service
c) Database service
d) All of the above
103. If all devices are connected to a central hub , then topology is called
a) Bus topology
b) Ring topology
c) Star topology
d) Tree topology
104. FDDI stands for
a) Fiber distributed data interface
b) Fiber data distributed interface
c) Fiber dual distributed interface
d) Fiber dual interface
105. Which of the following is an application layer service ?
a) Network virtual terminal
b) File transfer , access and management
c) Mail service
d) All of the above
106. Which of the following is an application layer service ?
a) Node to node delivery
b) End to end delivery
c) Synchronization
d) Updating and maintaining routing tables
107. The --------- layer change bits onto electromagnetic signals ?
a) Physical
b) Transport
c) Data link
d) Presentation
108. In mesh topology , relationship between one device and another is ----------
a) Primary to peer
b) Peer to primary
c) Primary to secondary
d) Peer to peer
109. The performance of data communications network depends on ---------
a) Number of users
b) The hardware and software
c) The transmission
d) All of above
110. Find out the OSI layer , which performs token management
a) Network layer
b) Transport layer
c) Session layer
111. The name of the protocol which provides virtual terminal in TCP / IP model is
a) Telnet
b) SMTP
c) HTTP
112. The layer one of the OSI model is
a) Physical layer
b) Link layer
c) Router layer
d) Broadcast layer
113. What is the name of the network topology in which there are bi-directional links between each possible node ?
a) Ring
b) Star
c) Tree
d) Mesh
114. What is the commonly used unit for measuring the speed of data transmission ?
a) Bytes per second
b) Baud
c) Bits per second
d) Both B and C
115. Which of the communication modes support two way traffic but in only once direction of a time ?
a) Simplex
b) Half-duplex
c) Three-quarter's duplex
d) Full duplex
116. The loss in signal power as light travels down the fiber is called
a) Attenuation
b) Propagation
c) Scattering
d) Interruption
117. Which of the following TCP / IP protocol's used for transferring files form one machine to another
a) FTP
b) SNMP
c) SMTP
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