NETWORKING guess paper for CCAT examination of C-DAC for Jun Jul 2013 For more details please visit http://cdacguru.wordpress.com or http://facebook.com/cdacguru

1. DITISS Guess Paper Jun -Jul 2013 Page 1 of 1
CENTRE FOR DEVELOPMENT OF ADVANCED COMPUTING
Each question shall carry one mark. There will be a negative
marking i.e., quarter (0.25) mark will be deducted for every
wrong answer.
1. C – programming language is related to which of
the following generation?
1. Fourth
2. Third
3. Second
4. First
2. Who introduce the concept of Stored Program?
1. Charles Babbage
2. Howard A
3. Von Neumann
4. John Atanasoff
3. The primary advantage of key-to-tape data entry
system is___________.
1. A large percentage of editing can be
performed at the time of data entry.
2. Key verification is easily performed
3. The tape is reusable
4. Keying errors can be detected as they occur.
4. While inserting a diskette into the diskette drive of a
PC, the diskette’s label side should face_________.
1. East
2. North
3. South
4. Up
5. Firewire is usually used for__________.
1. Connecting to the internet
2. Downloading Digital Camera pictures
3. Connecting to the printer
4. Interfacing to a Digital Camcorder
6. What is USB?
1. A new Hard Disk standard
2. A new CD-ROM specification
3. A high-speed serial connection
4. A high-speed video connection
7. Where is your BIOS stored?
1. DRAM
2. SDRAM
3. Flash
4. Hard Disk
8. Where does your PC store your programs when
the power is off?
1. DRAM
2. Cache
3. Hard Disk Drive
4. Monitor
9. What type of character recognition technologies
used by the banking industry to process checks?
1. CIRT
2. OICR
3. MICR
4. SICR
10. Print resolution is measured in__________
1. PPM
2. DPI
3. Pixels
4. Fonts
11. Who created Pretty Good Privacy (PGP)?
1. Paul Zimmerman
2. Tim Berners-Lee
3. Marc Andreessen
4. Ken Thompson
12. Who co-founded Hotmail in 1996 and then sold the
company to Microsoft?
1. Shawn Fanning
2. Ada Byron Lovelace
3. Sabeer Bhatia
4. Ray Tomlinson
13. What is the max length for primary name of a
computer file under DOS?
1. 8
2. 12
3. 3
4. 16
14. Which of the following could be a valid DOS file
specification?
1. NOSFILE.POST
2. NOSFILE.P.OST
3. NOSFILE.DOC
4. NOST.FILEDOC
15. In which configuration, multiple computers are
connected to a host computer?
1. Star Networks
2. Rings Networks
3. Bus Networks
4. Hybrid Networks
16. What would be the best way to move around a 3-D
environment?
1. Use a space mouse
2. Use a tracker ball
3. Use a keyboard
4. Use touch screen
17. _________is capable of changing signals from one
form to another?
1. Converter
2. Transducer
3. Conductor
4. All of the above
18. When single medium is used to present
information is called as__________.
1. Unimedium presentation
2. Single medium Presentation
3. Both 1& 2
4. None of the above
19. In India first computer installed in _________.
1. Indian institute of Technology,
2. Indian Institute of Science,
3. Indian Iron & Steel Co. Ltd.
4. Indian Statistical Institute, Calcutta,
20. Main component of the CPU is __________
1. Control unit and registers
2. Registers and main memory
3. Control Unit and ALU
4. ALU and BUS
21. When a computer is first turned on or restarted, a
special type of absolute loader called ________ is
executed.
1. Compile and Go loader
2. Boot loader
3. Bootstrap loader
4. Relating loader
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22. Why the virtual memory is used?
a. A process cannot be loaded and has to keep
waiting for its execution to start until sufficient
free memory for loading the entire process
become available.
b. A process cannot be loaded in a system
whose main memory size is less than the total
memory required by the process.
1. Only a
2. Only b
3. Both a and b
4. None of the above
23. Single-user operating system is __________.
1. MS-DOS
2. UNIX
3. OS/2
4. All of the above
24. The operating system creates _________from the
physical computer.
1. Virtual space
2. Virtual computers
3. Virtual device
4. None of the above
25. Which of the following OS does not implement
multi tasking truly _________.
1. Windows 98
2. Windows NT
3. Windows XP
4. MS DOS
26. Which of the following OS would you prefer to
implement a Client-Server architecture?
1. MS DOS
2. Windows 95
3. Windows 98
4. Windows 2000
27. In First-Come, First-Served scheduling policy, I/O
bound processes may have to wait long in the
ready queue waiting for a CPU bound job to finish.
This is known as __________.
1. Aging
2. Priority inversion
3. Priority inheritance
4. Convoy effect
28. The minimum number of page frames that must be
allocated to a running process in a virtual memory
environment is determined by
1. the instruction set architecture
2. page size
3. physical memory size
4. number of processes in memory
29. Which of the following is used to describe
interconnected computer configurations with two or
more CPUs.
1. Multitasking
2. Time Sharing
3. Multiprogramming
4. Multiprocessing
30. A ________ is an application or a process that
responds to a client request.
1. client
2. thread
3. server
4. All of the above
31. ________ is a protocol that enables applications to
exchange data in a variety of formats.
1. Dynamic data exchange
2. Component object model
3. Data copy
4. None of the above
32. _________ is an efficient way for two or more
processes on the same computer to share data.
1. File exchange
2. File sharing
3. File mapping
4. None of the above
33. Dirty bit is used to show the _________.
1. Page with corrupted data
2. The wrong page in the memory
3. Page that is less frequently accessed
4. Page that is modified after being loaded into
cache memory
34. The first-fit, best-fit and the worst-fit algorithm can
be used for _________.
1. Contiguous allocation of memory
2. Linked allocation of memory
3. Indexed allocation of memory
4. All of the above
35. In Round Robin CPU scheduling, as the time
quantum is increased, the average turn around
time _________.
1. Increases
2. Decreases
3. Remain constant
4. Varies irregularly
36. Page size is always
1. In powers of 2
2. One
3. In powers of 3
4. None of the above
37. Which of the following memory allocation scheme
suffers from External fragmentation?
1. Segmentation
2. Swapping
3. Pure demand paging
4. Paging
38. _________ page replacement algorithm suffers
from Belady's anomaly.
1. LRU
2. MRU
3. FIFO
4. LIFO
39. Which of the following could be considered an
advantage of Virtual Memory Management?
1. Thrashing may occur when a program
requires two or more pages.
2. Only a part of each page needs to be loaded
into memory.
3. Job size is no longer restricted to the size of
main memory
4. All of the above
40. Memory mapped I/O involves
1. transferring information between memory locations
2. transferring information between the CPU
and I/O devices in the same way as between
the CPU and memory.
3. transferring information between registers
and memory
4. transferring information between I/O devices
and memory
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41. In demand paging, while initiating execution of
process _________ space is allocated on paging
device for its logical address, its code & data.
1. Logical
2. Swap
3. Virtual
4. Physical
42. File length _________.
1. Should always be fixed
2. Should always be variable
3. Depends upon the size of the file.
4. Should be chosen to match the data
character
43. What is internal backup?
1. Uses more tapes
2. Should be done each month
3. Saves only files that have recently changed
4. Saves all files
44. When should backup be done?
1. Daily for most installations
2. Weekly for most installations
3. As several images copies, followed by an
incremental
4. As several incremental, followed by an
image copy
45. I/O devices can be classified according to the
following criteria
1. Nature of access
2. Purpose
3. Data Transfer Mode
4. All of the above
46. To perform an output operation, data to be written
onto the I/O device is first transferred from the
memory to the DMA buffer.
1. True
2. False
3. Can’t say
4. None of the above
47. Tapes and disks are _________ devices
1. Block Mode
2. Character Mode
3. Both
4. None of the above
48. Which of the following statement is false regarding
deadlock?
1. Deadlock affects OS performance.
2. A deadlock involving OS performance can
not have more severe consequences.
3. OS handles only deadlocks caused by
sharing of resources.
4. Operating system uses resource allocation
policies.
49. A set of processes is deadlocked if each of
them_________.
1. does not waits for an event
2. waits for an event can be caused only by
processes in the set.
3. Both 1 & 2
4. None of the above
50. Is the following statement is true?
Various kinds of deadlocks can arise in an OS.
1. Yes
2. No
3. Can’t say
4. None of the above
51. What is SMTP?
1. Simple Mailer transport protocol
2. Simple Mail Transport protocol
3. Single Mail transport protocol
4. None of the above
52. An organization that share devices, saves_______.
1. Money
2. Time
3. Space
4. All of the above
53. Which of the following is not a guided medium?
1. Coaxial cable
2. Fiber-optic cable
3. Atmosphere
4. None of the above
54. What is the major factor that makes coaxial cable
less susceptible to noise?
1. Inner conductor
2. Diameter of cable
3. Outer conductor
4. Insulating material
55. A _________ operates at the upper levels of the OSI
model and translates information between two completely
different network architectures or data formats.
1. Router
2. Switch
3. Gateway
4. None of the above
56. Which of the following device is responsible for the
connection of Local Area Networks with Wide Area
Networks?
1. Hub
2. Bridge
3. Data switch
4. Gateway
57. Which of these is not part of the TCP/IP model?
1. Network access
2. Internet
3. Presentation
4. Application
58. Which of the following is not true for switching
technology?
1. Packet Switching
2. Link Switching
3. Packets are switched in the form of
datagram
4. Circuit Switching techniques
59. Which of the following statement is a true
description of fiber Optic Cable?
1. Fiber optic cables transfer data in a mesh
2. Fiber optic cables transfer data in light form
3. Fiber optic cables are similar to coaxial
cables
4. None of the above
60. Which of the following topologies is used for Ethernet?
1. Star
2. Bus
3. Ring
4. All of the above
61. Which of the following is not always necessary for
accessing the Web?
1. A Web browser
2. A connection to an Internet Access Provider
3. A computer
4. A modem
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62. A word that looks underlined on a web page is
usually __________.
1. important word
2. the web address
3. a "link" to another web page
4. a mistake
63. How many stations can a fiber optic network
support?
1. 25000
2. 10000
3. 5000
4. 1000
64. Which layer translates between physical and
logical addresses?
1. the MAC sublayer of the data link layer
2. transport
3. physical
4. network
65. Which of the following layer is responsible for
transmitting raw bit streams between two nodes?
1. Transport Layer
2. Presentation Layer
3. Physical Layer
4. Data Link Layer
66. ISO OSI model is used in __________.
1. Stand alone PC
2. Network environment
3. Any where
4. None of the above
67. Which of the following switching methods accept
only the first 6 bytes of a frame?
1. store and forward
2. cut-through
3. tag
4. fast flag
68. Which of the following ISO level is more closely
related to the physical communications facilities?
1. Application
2. Session
3. Network
4. Data link
69. Which of the following are benefits of using a
layered network model?
1. it facilitates troubleshooting
2. it breaks the complex process of networking
into more manageable chunks
3. it allows layers developed by different
vendors to interoperate
4. All of the above
70. Which of the following are considered to be the
upper layer protocols?
1. presentation and session
2. application and presentation
3. application, presentation, and session
4. application, presentation, session, and transport
71. The purpose of the ________ layer is to transport
a raw bit stream from one machine to another.
1. Physical Layer
2. Transport Layer
3. Network
4. Data Link Layer
72. The physical layer is concerned with the movement
of _______ over the physical medium.
1. Programs
2. Dialogs
3. Protocols
4. Bits
73. Fiber optics is an example of ________ layer.
1. Physical Layer
2. Data Link Layer
3. Network layer
4. Application Layer
74. FDM in Networking stands for __________.
1. Frequency Division Multiplexing
2. Frequency Distribution Multiplexing
3. Frequency Division Methods
4. Frequency Distribution Methods
75. NIC stands for __________.
1. Network Internet Cable
2. Network Internet Card
3. Network Internal Card
4. None of the above
76. When a process wants to establish a TCP
connection with a remote process, it attaches itself
to an unused TCP port on its own machine. This is
called a _________ port.
1. Source
2. Destination
3. External
4. Internal
77. Which one of the following is a connectionless protocol?
1. UDP
2. Ethernet
3. IPX
4. All of the above
78. Which of the following application uses the UDP
protocol?
1. DNS
2. TFTP
3. RIP
4. All of the above
79. The HTTP request line contains a _________
method to request a document from the server.
1. Get
2. Post
3. Copy
4. Do
80. Which of the following protocols is unacknowledged?
1. TCP
2. UDP
3. SPX
4. All of the above
81. The inclusion of the checksum in the TCP segment
is _________.
1. Optional
2. Mandatory
3. at the discretion of the application program
4. None of the above
82. The value of window size is determined by _________.
1. the sender
2. the receiver
3. both the sender and receiver
4. None of the above
83. E-mail use ________ communication protocol.
1. SMTP
2. HTTP
3. ICMP
4. TCP/IP
84. What is the default port number for SMTP?
1. 21
2. 22
3. 28
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Page 5 of 5
4. 25
85. Current wireless MACs are based on _________.
1. CSMA/CD
2. CSMA/CA
3. Hybrid technique depending on traffic
4. Hybrid technique with fixed time partitions
86. Routers function in the _______ layers
1. physical and data link
2. physical, data link, and network
3. data link and network
4. None of the above
87. Which device act as a traffic cop?
1. Router
2. Hub
3. Switch
4. Modem
88. Any electronic device on a network is called _______.
1. Node
2. Hub
3. Router
4. Cable
89. ________ algorithm change their routing decisions
to reflect changes in the topology.
1. Routing
2. Session
3. Adaptive
4. Nonadaptive
90. Clients are the computers used by ________ users
for everyday work.
1. Individual
2. Group of
3. System administrator
4. None of the above
91. What does USB stand for in USB Port?
1. United System Booting
2. Universal System Bus
3. Universal Serial Bus
4. Universal System Booting
92. What data communications hardware converts
data from one standard to another?
1. Hub
2. Router
3. Repeater
4. Gateway
93. Which of the following is standard for transmitting a data?
1. Topology
2. Protocol
3. Packet
4. Token ring
94. Which of the following OSI layers is concerned with the
transmission of unstructured bit stream over a physical link?
1. 7
2. 1
3. 6
4. 2
95. What type of network architecture would be the
easiest to setup and maintain?
1. Local area network
2. Wide area network
3. Peer-to-peer network
4. Metropolitan network
96. What network is used at a military base?
1. Local area network
2. Wide area network
3. Campus area network
4. Office area network
97. What is the most widely used protocol for local
area networks?
1. HTML
2. TCP/IP
3. Ethernet
4. Token ring
98. At which layer does Flow control take place?
1. Physical
2. data link
3. Network
4. transport
99. At which layer error detection and recovery take
place?
1. transport
2. presentation
3. network
4. application
100. Which of the following statement is true about an
IP address?
1. IP address is based on your computer
network card
2. IP address is issued by a computer vendor
3. IP address is a Transport Protocol
4. IP address is not used on the internet
101. Which of the following words have correct spelling?
1. Vocabilary
2. Vocabullary
3. Vocabulary
4. Voccabulary
102. Which of the following is odd one?
1. Cow
2. Bull
3. Cock
4. Horse
103. Which of the following is synonymous to the word
’Disparity’?
1. Uniform
2. Equal
3. Par
4. Gap
104. Which of the following is synonymous to the word
’Deprivation’?
1. Scarcity
2. Control
3. Tenure
4. Custody
105. Which of the following is synonymous to the word
’Gleam’?
1. Atrocious
2. Nasty
3. Shimmer
4. Hide
106. Which of the following is synonymous to the word
’Compulsion’?
1. Obligation
2. Claim
3. Tribute
4. Recognize
107. Which of the following is synonymous to the word
’Ignoble’?
1. Remarkable
2. Splendid
3. Dastardly
4. Amazing
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6. Page 6 of 6
108. Adults differ a lot in their sleeping ________.
1. Manners
2. Time
3. Habits
4. Techniques
109. There should be ________of fresh air in the room.
1. Plenty
2. Much
3. more
4. Lots
110. If houses are made of wood, then they easily catch
________ fire.
1. to
2. on
3. the
4. with
111. The task calls ________ much effort.
1. at
2. specific
3. for
4. much
112. What is the antonym of the word ‘cyclic’?
1. Repeated
2. Recurring
3. Rare
4. Continual
113. What is the antonym of the word ‘Propel’?
1. Push
2. Drive
3. Force
4. Linger
114. Full : empty ::?
1. Chaos: water
2. Chaos: scattered
3. Chaos:frenzy
4. Chaos: order
115. Genuine: honest:: ?
1. Fraudulent :sensitive
2. Fraudulent :deceitful
3. Fraudulent :selfish
4. Fraudulent :truthful
116. The bus stops ________ the bus stop.
1. At
2. On
3. into
4. to
117. The clock ________ the wall is very old.
1. To
2. By
3. On
4. Over
118. 2,4,6,8,10, ________?
1. 13
2. 14
3. 12
4. 16
119. If PRIYA can coded as 15 then how can
TENDULKAR coded?
1. 108
2. 107
3. 106
4. 105
120. If DELETE is coded as 6 then how is INSERTED
coded?
1. 12
2. 13
3. 18
4. 14
121. C is the sister of F, B is the brother of E's husband,
D is the father of A and grandfather of F. There are
2 fathers, one mother and 3 brothers in the family.
Who is the mother?
1. A
2. B
3. C
4. E
122. 2(48)4, 3(74)7, 4(82)1, 3(___)2. What is the
missing number?
1. 64
2. 62
3. 66
4. 68
123. Which is the odd number, (33, 58), (66, 91), (42,
62), (55,80)?
1. (33, 58)
2. (66, 91)
3. (42, 62)
4. (55,80)
124. Sourav from his house walks towards north and
covers 15.5 km and then turns left and travels 7
km. He then turns left again and after traveling
31km, again turns left and stops after traveling
turns left and stops after traveling 7 km. How far is
he from his house?
1. 8.5 km
2. 46.5 km
3. 15.5 km
4. 60.5 km
125. Tarun walks towards east a distance of 120 m to
sell his product. Later he walks straight 70 m right
to sell his product. What would be approximately
the shortest distance between the two places?
1. 190
2. 138.9
3. 50
4. None of these
126. Sachin is 7th
from the left and Geeta is 5th
from the
right. When they interchange their positions Geeta
becomes 19
th
from the right. What is Sachin’s
position from the left?
1. 21st
2. 19
th
3. 23
th
4. 20
th
127. Flight to Mumbai leaves every 5 hrs. At the
information counter a man learnt that the flight took
off 25 min before. If the present time is 10:45 a.m.,
what is the time for the next flight?
1. 2:20 a.m.
2. 4:10 a.m.
3. 3:30 p.m.
4. 3:20 p.m.
128. If “Y% of 12 is 3 ” then what is ” H% of 50”?
1. 8
2. 4
3. 6
4. 2
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129. If × means ‘addition’, - means ‘division’, ÷ means
‘subtraction’, and + means ‘multiplication’, what
would be the value of the following?
a) 18 × 5 ÷ 10 +4 –5
b) 18 +5 ÷ 10 × 4 – 5
1. 15,80
2. 815.8, 80.8
3. 15, 80.8
4. 15.5, 80.5
130. There are five friends A, B, K, D and E. K is taller
than B. B and D are of same height. A is taller than
E and there is only one shorter than A in the group.
Who is the taller in the group?
1. A
2. B
3. K
4. D
131. Swimming downstream in a river, you can swim 2
miles in 40 minutes, & in upstream 2 miles in 60
minutes. How long would it take you to swim a mile
in still water?
1. 25 Minutes
2. 23 Minutes
3. 24 Minutes
4. None of the above
132. If alternate letters are deleted from the following
series then which letter will divide the new series in
two equal parts?
ACEGIKMOQSUWY
1. N
2. M
3. K
4. O
133. If the following words are arranged according to
the dictionary order then which will be the second
word in that order?
1. youthful
2. yokel
3. young
4. youngster
134. How many times in a day the hands of a clock are
straight?
1. 22
2. 30
3. 44
4. None of the above
135. A sum of money doubles itself at compound
interest in 15 years. In how many years will it
become eight times?
1. 45 years
2. 40 years
3. 42 years
4. None of the above
136. Which is the greatest of the four least common
multiples of 3,5,7?
1. 1
2. 420
3. 315
4. 105
137. What will be the smallest one digit number to be
replaced by * in the number 6*106 so that the
number is exactly divisible by 11?
1. 4
2. 3
3. 2
4. 1
138. X began a business with Rs. 85,000. He was
joined afterwards by Y with Rs. 42,500. What will
be the profit ratio at the end of the year, if Y joins
after 4 months?
1. 1:2
2. 3:1
3. 2:1
4. 4:3
139. A student multiplied a number by 3/5 instead of
5/3. What is the percentage error in the
calculation?
1. 34%
2. 44%
3. 54%
4. 64%
140. How many words can be formed of the letters of
the word 'BANANA' be arranged so that the
consonants occupy the even places?
1. 36
2. 10
3. 3
4. 5
141. How many ways can 6 men be arranged in a
circle?
1. 720
2. 240
3. 120
4. None of the above
142. One pipe can fill a tank three times as fast as
another pipe. Together the two pipes can fill the
tank in 12 minutes, then in how many minutes the
slower pipe alone will be able to fill the tank?
1. 48 minutes
2. 81 minutes
3. 108 minutes
4. 192 minutes
143. Three taps P, Q and R can fill a tank in 12, 15 and
20 hours respectively. If P is open all the time and
Q and R are open for one hour each alternately, by
what time the tank will be full?
1. 6 hours
2. 7 hours 30 min
3. 6 hours 30 min
4. 7 hours
144. A bag contains 6 black and 8 white balls. One ball
is drawn at random. What is the probability that the
ball drawn is white?
1. 3/4
2. 4/7
3. 1/8
4. 3/7
145. There are 6 red shoes & 4 green shoes . If two of
red shoes are drawn what is the probability of
getting red shoes?
1. 1/3
2. 2/3
3. 3/5
4. 2/5
146. A shopkeeper expects a gain of 20 % on his cost
price. If in a week, his sale was of Rs. 360, what
was his profit?
1. 80
2. 72
3. 70
4. 60
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147. A man buys a cycle for Rs. 1200 and sells it at a
loss of 10%. What is the selling price of the cycle?
1. Rs. 1080
2. Rs. 1160
3. Rs. 1202
4. Rs. 1190
148. If 40% of a number is equal to two-third of another
number, what is the ratio of first number to the
second number?
1. 2:5
2. 3:7
3. 5:3
4. 7:3
149. A sum of money at simple interest amounts to Rs.
815 in 3 years and to Rs. 854 in 4 years. What is
the sum?
1. Rs. 698
2. Rs. 690
3. Rs. 650
4. Rs. 700
150. A train can travel 50% faster than a car. Both start
from point A at the same time and reach point B 75
kms away from A at the same time. On the way,
however, the train lost about 12.5 minutes while
stopping at the stations. What is the speed of the
car?
1. 90 km/hr
2. 120 km/hr
3. 140 km/hr
4. 150 km/hr
DITISS Guess Paper Jun -Jul 2013