We have compiled very important and most repeated questions for Network Online Online MCQs which are asked in academic as well as in different exams. Most importantly our Online MCQs will help you to evaluate and check your knowledge of computer and IT basics. These Computer Knowledge MCQs will help you to crack any competitive or academic exams.
Youth For Pakistan has provided an excellent opportunity for the students to prepare for their Computer Knowledge Online MCQs test. These Online Computer Knowledge MCQs cover all the topics including MS Powerpoint, MS Word, MS Excel, Information Tfechnology, Hardware, Internet, Operating Systems, Keyboard Shortcuts, Network, Data Structure, DBMS, Security, Abbreviations, Computer Graphics, Output, Memory, Electronics, Input, Marketing, File Location, File Extensions, Software, Programming, Computer Basics, Windows, Binary, Discrete Mathematics, Data Communication, Compiler and OOPS.
The questions about computers are asked in almost every test whether it is for admission to some institutes or for recruitment purposes.
Network Online Online MCQs with Answers
We strongly recommend to all of our visitors that they attempt these Network Online Online MCQs tests more than one time after completing the preparation so that they can prepare for the Network Online MCQs in the best possible way.
1. Smaller and less expensive PC based servers are replacing today in many businesses
super computers
clients
laptops
mainframes
None of these
Correct Ans: mainframes
2. Servers are computers that provide resources to other computers connected to
network
mainframe
super computer
client
None of these
Correct Ans: network
3. Which of the following is not one of the four major data processing functions of a computer ?
Gathering data
Processing data into information
Analysing the data or information
Storing the data or information
None of these
Correct Ans: Analysing the data or information
4. The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement speciality called
Robotics
Simulation
Computer forensics
Animation
None of these
Correct Ans: Computer forensics
5. This system is a small, wireless handheld computer that scans an item’s tag and pulls up the current price (and any special offers) as you shop
PSS
POS
Inventory
Data mining
None of these
Correct Ans: PSS
6. __________ does works related to exchange of data between the computers.
Sound card
Network card
Expansion slot
Modem
None of these
Correct Ans: Network card
7. Exchange of text messages and computer files over network either local network as LAN or over internet as WAN is called as
chatting
FTP
e-mail
download
None of these
Correct Ans: e-mail
8. 4GL (fourth generation language) is a
structural language
non-procedural language
procedural language
All of the above
None of these
Correct Ans: procedural language
9. A computer science branch that is involved in using computers to solve that appear to require human imagination or intelligence is called as
Analog
ASCII
AI
Both (a) & (b)
None of these
Correct Ans: AI
10. By clicking on this icon, one can access the networked resources, usually shared resources. This icon is
My Computer
Connect to Internet
Network Neighbourhood
My Document
None of these
Correct Ans: Connect to Internet
11. Traffic in a VPN is not
invisible from public networks
logically separated from other traffic
accessible from unauthorized public networks
restricted to a single protocol in IP
None of these
Correct Ans: logically separated from other traffic
12. SMTP, FTP and SNS are applications of the __________ layer.
data link
network
transport
application
None of these
Correct Ans: application
13. Customers, facilities, knowledge workers, business information, communication infrastructure and computer equipment are all considerations in a good ___________ plan.
hacker
disaster recovery
security
risk management
None of these
Correct Ans: risk management
14. ___________ is a primary key of one file that also appears in another file.
Physical key
Primary key
Foreign key
Logical key
None of these
Correct Ans: Foreign key
15. Bandwidth refers to the
cost of the cable required to implement a WAN
cost of the cable required to implement a LAN
account of information a peer-to-peer network can store
account of information a communications medium can transfer in a given amount of time
None of these
Correct Ans: account of information a communications medium can transfer in a given amount of time
16. A processor that collects the transmissions from several communications media and send them over a single line that operates at a higher capacity is called
Multiplexer
Bridge
Hub
Router
None of these
Correct Ans: Multiplexer
17. _____________ is an access method in which collisions are entirely avoided.
CSMA
CSMA/CD
CSMA/CA
All of these
None of these
Correct Ans: CSMA/CA
18. Channel is a
track on magnetic tape or a band on magnetic drum
path for carrying signals between source and destination
Both ( a) and (b)
TV channel
None of these
Correct Ans: Both ( a) and (b)
19. A channel (in windows terminology) is a/an
widely used online service that offers access to the internet
specialised website designed to work with the windows 9 subscription feature to automatically download information from the internet and store it on your computer for later viewing
area on the computer memory where text or graphics car be temporarily stored
All of the above
None of these
Correct Ans: specialised website designed to work with the windows 9 subscription feature to automatically download information from the internet and store it on your computer for later viewing
20. Which of the following is the fastest communication channel?
Radiowave
Microwave
Optical fibre
All are operating in the same propagation speed
None of these
Correct Ans: All are operating in the same propagation speed
21. An inter-company network which used to distribute information, documents, files and databases, is called as
LAN
Extranet
WAN
MAN
None of these
Correct Ans: Extranet
22. 192.9.200.153 is an
Ethernet Address
IP Address
Computer Address
Any of these
None of these
Correct Ans: Ethernet Address
23. Which protocol provides e-mail facility among different hosts?
SMTP
FTP
TELNET
SNMP
None of these
Correct Ans: SMTP
24. Ethernet, LAN, Token Ring and Token Bus are types of
WAN
communication channels
LAN
physical medium
None of these
Correct Ans: LAN
25. A(n) _________________ is a combination of hardware and software that facilitates the sharing of information between computing devices.
network
peripheral
expansion board
digital device
None of these
Correct Ans: network
26. __________________ are devices used to transmit data over telecommunications lines.
Drives
Drive bays
Modems
Platforms
None of these
Correct Ans: Modems
27. Which of the following terms is just the connection of networks that can be joined together?
virtual private network
internet
intranet
extranet
None of these
Correct Ans: internet
28. Servers are computers that provide resources to other computers connected to a
network
mainframe
supercomputer
client
None of these
Correct Ans: network
29. Connections to the Internet using a phone line and a modem are called _______________ connections.
digital
dial-up
broadband
View table
None of these
Correct Ans: dial-up
30. Personal computers can be connected together to form a ______________
server
supercomputer
enterprise
network
None of these
Correct Ans: network
31. Which set of rules is applicable for exchange of files over Internet?
FTP/IP
HTTP
HTML
HYPERLINK
None of these
Correct Ans: HTTP
32. Which is the most common request response protocol used in Internet for word processing?
SMTP
FTP
HTTP
TTY
None of these
Correct Ans: HTTP
33. Identify the odd term amongst the following group ______________
Coaxial cable
Optical cable
Twisted pair wire
Microwaves
None of these
Correct Ans: Microwaves
34. The OSI reference model is divided into how many layers?
Seven
Five
Four
Six
None of these
Correct Ans: Seven
35. Ethernet is the example of ______?
LAN
WAN
MAN
Wi-Fi
None of these
Correct Ans: LAN
36. An example of a telecommunication device is a ________:
Keyboard
Mouse
Modem
Printer
None of these
Correct Ans: Modem
37. An example of a telecommunications device is a
Keyboard
Mouse
Printer
Modem
None of these
Correct Ans: Modem
38. Which of the following cables can transmit data at high speeds?
Flat cables
Coaxial cable
Optic fiber cable
Twisted pair cable
UTP cable
Correct Ans: Optic fiber cable
39. 255.255.0.0 is default mask of
Class A networks
Class B networks
Class C networks
Class D networks
None of these
Correct Ans: Class B networks
40. What does SNMP stand for?
Simple Network Mail Protocol
Single Network Mail Protocol
Single Network Message Protocol
Simple Network Management Protocol
None of these
Correct Ans: Simple Network Management Protocol
41. A device operating at network layer is called
bridge
router
gateway
hub
repeater
Correct Ans: router
42. Which type of switching uses the entire capacity of a dedicated link?
Circuit Switching
Virtual Circuit Packet Switching
Datagram Packet Switching
Message Switching
None of these
Correct Ans: Datagram Packet Switching
43. A bridge recognizes addresses of _____________.
Layer 1
Layer 2
Layer 3
Layer 4
None of these
Correct Ans: Layer 3
44. Which of the following manages computer resources?
ALU
BUS
Control Unit
I/O unit
None of these
Correct Ans: Control Unit
45. ALU works on the instructions and data held in the _______________.
Note book
Registers
Copy pad
I/o devices
None of these
Correct Ans: Registers
46. The most important powerful computer in a typical network is ______________.
Desktop
Network Client
Network Server
Network Station
None of these
Correct Ans: Network Server
47. Firewalls are used to protect against
Unauthorised Attacks
Virus Attacks
Data Driver Attacks
Fire Attacks
None of these
Correct Ans: Virus Attacks
48. Ethernet, LAN, Token Ring, and token Bus are types of _______________.
WAN
Communication channels
LAN
Physical Medium
None of these
Correct Ans: LAN
49. Which is the network strategy used extensively by the internet ?
peer-to-peer network system
Stand -alone network system
Local Area network system
Client /server network system
None of these
Correct Ans: Client /server network system
50. . An inter-company network which used to distribute information, documents, files and databases, is _____________.
LAN
WAN
MAN
Extranet
None of these
Correct Ans: WAN
51. A device that connects to a network without the use of cables is said to be _____
distributed
centralised
open source
wireless
None of these
Correct Ans: wireless
52. The Word FTP stands for ?
File Translate Protocol
File Transit Protocol
File Transfer protocol
file typing protocol
None of these
Correct Ans: File Transfer protocol
53. DSL is an example of a(n) ____________ connection.
network
wireless
slow
broadband
None of these
Correct Ans: broadband
54. A (n) ____________ system is a small, wireless handheld computer that scans an item’s tag and pulls up the current price (and any special offers) as you shop.
PSS
POS
inventory
data mining
None of these
Correct Ans: PSS
55. ____________terminals (formerly known as cash registers) are often connected to complex inventory and sales computer systems.
Data
Point-of-sale (POS)
Sales
Query
None of these
Correct Ans: Point-of-sale (POS)
56. Graphic interfaces were first used in a xerox product is called
Ethernet
Inter LISP
Small talk
Zeta LISP
None of these
Correct Ans: Ethernet
57. A switch in a network is used to ?
It is used to connect systems on network
It is used to stop hacking
It is used to stop viruses
It is used to boot systems remotely
None of these
Correct Ans: It is used to connect systems on network
58. Which of the following device is used only in LAN (Local Area Network)?
Gateway
Modem
NIC
Router
None of these
Correct Ans: NIC
59. Before data can be transmitted, they must be transformed to ________.
periodic signals
electromagnetic signals
aperiodic signals
low-frequency sine waves
None of these
Correct Ans: electromagnetic signals
60. Control Unit of a digital computer is often called the
Clock
Nerve center
ICs
All of the above
None of these
Correct Ans: All of the above
61. Which of the following is a part of the Central Processing Unit
Printer
Keyboard
Mouse
Arithmetic Logic Unit
None of these
Correct Ans: Arithmetic Logic Unit
62. Communication using a modulated carrier to apply a data signal to a transmission medium in analog form is
Local area network
Modem
Base band networking
Broad band networking
None of these
Correct Ans: Broad band networking
63. In a _________ topology, if there devices in a network,each n device has n-1 ports for cable.
Mesh
Star
Bus
Ring
None of these
Correct Ans: Mesh
64. LANs can be connected by devices called _________ operate in the data link layer.
Hub
Bridges
HDLC
Tunnel
None of these
Correct Ans: Bridges
65. The OSI model consists of ___________ layers.
Nine
Eight
Seven
Five
Eleven
Correct Ans: Seven
66. Which among the following is correct:
Network firewalls are a software appliance running on general purpose hardware or hardware based firewall computer appliances that filter traffic between two or more networks.
Host – based firewalls provide a layer of software on one host that controls network traffic in and out of that single machine
Both of Above
Network firewalls are a hardware appliance running on general purpose
None of These
Correct Ans: Both of Above
67. The first paper published on firewall technology was in ____, when engineers from Digital Equipment Corporation (DEC) developed filter systems known as packet filter firewalls:
1988
1999
1992
1995
1983
Correct Ans: 1988
68. From 1989 – 1990 three colleagues from AT&T Bell Laboratories, Dave Presotto, Janardan Sharma and Kshitij Nigam developed the second generation of firewalls, calling them:
Circuit Level Gateway
Application Layer
Proxies
Network Layer
None of These
Correct Ans: Circuit Level Gateway
69. Application layer firewalls works on the application level of the ____stack (i.e. all browser traffic or all telnet or FTP traffic) and may intercept all packets travelling to or from an application:
TCP
IP
Both of Above
UDP
DNS
Correct Ans: Both of Above
70. NAT stands for:
Network Address Translation (Translation or translator same meaning)
Network Address Transformation
Network Access Translation
Network Access Translation
None of these
Correct Ans: Network Address Translation (Translation or translator same meaning)
71. Which among the following has been standardized in the IEEE 803 specifications?
Bluetooth
Ethernet
WiMAX
All of the above
None of these
Correct Ans: Ethernet
72. Which of the following terms applies to communication between separate computer systems?
Computer literacy
Power supply
Applications software
Connectivity
None of these
Correct Ans: Connectivity
73. Which of the following is used for manufacturing chips?
control bus
control unit
parity unit
semiconductor
None of these
Correct Ans: semiconductor
74. A Winchester disk is a
Disk Stack
Removable disk
Flexible disk
All of the above
None of these
Correct Ans: Disk Stack
75. A sizeable geographical area with communication based on the telephone system is though as
Local area network
Wide area network
Modulator-Demodulator
All of the above
None of these
Correct Ans: Wide area network
76. What is the standard code the computer industry created to represent characters?
DASI
ASSH
ASCII
BASCII
EPROM
Correct Ans: ASCII
77. A packet switching network that was sponsored by the Commission of the EEC and became operational in 1979 is
LAN
Broadband network
Star network
Euronet
None of these
Correct Ans: Euronet
78. Which of the following is not a protocol in the application layer of TCP/IP suit :
HTTP
TCP
HTTPS
Telnet
None of these
Correct Ans: TCP
79. Which among the following is correct about 4GL?
A computer brand
A software brand
A software program
A programming language
None of these
Correct Ans: A programming language
80. BSNL Reliance, Shaw cable, AOL, Tata Indicom all can be kept in which one of the following groups?
ISDN
IRC
ISP
ICONS
None of these
Correct Ans: ISP
81. Traffic in a VPN is not ______.
invisible from public networks
logically separated from other traffic
accessible from unauthorised public networks
restricted to a single protocol in IPSec
None of these
Correct Ans: logically separated from other traffic
82. A processor that collects the transmissions from several communications media and sends them over a single line that operates at a higher capacity is called ______.
multiplexor
bridge
hub
Switch
None of these
Correct Ans: multiplexor
83. The IP address 135.0.10.27 belongs to address class ?
A
B
C
D
None of these
Correct Ans: B
84. Two different kind of networks can be connected by using __________
Bridges
Satellite
Gateway
Routers
None of these
Correct Ans: Gateway
85. Ping command is used for what purpose ?
Test a device on a network whether it is reachable
Test a hard disk fault
Test a bug in the application
Test devices scanning quality
None of these
Correct Ans: Test a device on a network whether it is reachable
86. With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?
192
240
248
224
252
Correct Ans: 252
87. A central computer surrounded by one or more satellite computers is called a
Bus network
Ring network
Star network
All of the above
None of these
Correct Ans: Star network
88. Internet-like networks within enterprises.
Intranets
Switching alternating
Inter organizational networks
Extranets
None of these
Correct Ans: Intranets
89. What is loopback address?
127.0.0.1
255.0.0.0
255.255.0.0
127.0.0.0
None of these
Correct Ans: 127.0.0.1
90. What is the default subnet mask for a class B network ?
127.0.0.1
255.0.0.0
255.255.0.0
255.255.255.0
None of these
Correct Ans: 255.255.0.0
91. ____________ is the continuous ability to send and receive data between interconnected networks.
FTP
SMTP
TNS
Network Interoperability
None of these
Correct Ans: Network Interoperability
92. Which IEEE Standards is used for Wi/Fi systems?
802.11
802.1
802.2
802.3
802.4
Correct Ans: 802.11
93. Which of the following is an example of a client-server model ?
FTP
DNS
TELNET
All of these
None of these
Correct Ans: All of these
94. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another ?
SNMP
SMTP
RFC
FTP
None of these
Correct Ans: SMTP
95. End to end connectivity is provided from host to host in :
Network layer
Session layer
Data link layer
Transport layer
None of these
Correct Ans: Transport layer
96. The ________ layer is the layer closest to transmission medium.
Transport
Network
Data link
Physical
None of these
Correct Ans: Physical
97. At _________ layer, TCP/IP defines two protocols :Transmission Control Protocol (TCP) and User Datagram Protocol(UDP)
Transport layer
Network layer
Physical layer
Application layer
None of these
Correct Ans: Transport layer
98. A communication network which is used by large organizations over regional, national or global area is called ________
LAN
WAN
MAN
Internet
None of these
Correct Ans: WAN
99. Modern is a _________ that modulates and demodulate signals
DCE (Data circuit-terminating equipment)
DTE (Data terminal equipment)
internet language
Both (a) and (b)
None of these
Correct Ans: DCE (Data circuit-terminating equipment)
100. Routers operate in which layer of the OSI model ?
Physical layer
Data link layer
Network Layer
All of these
None of these
Correct Ans: All of these
101. Which of the following uses the greatest number of layers in the OSI model ?
Bridge
Repeater
Router
Gateway
None of these
Correct Ans: Gateway
102. Where does Bridge operate in OSI model?
Physical layer
Data link layer
Both (a) and (b)
Application layer
None of these
Correct Ans: Both (a) and (b)
103. Repeater operates in which layer of OSI model?
Application layer
Presentation layer
Physical layer
Transport layer
Data link layer
Correct Ans: Physical layer
104. __________uses a Standard called IEEE 802.6.
LAN
WAN
MAN
Internet
None of these
Correct Ans: MAN
105. Which is the general network standard for the data link layer in the OSI Reference Model?
IEEE 802.1
IEEE 802.2
IEEE 802.3
IEEE 802.4
IEEE 802.6
Correct Ans: IEEE 802.2
106. ______ refers to family of IEEE standards dealing with local area network and metropolitan area network
802
800
801
803
None of these
Correct Ans: 802
107. You need to configure a switch from a remote subnet. Which of the following must be configured on the switch ?
Console port
IP
Hostname
SNMP
Default gateway
Correct Ans: Default gateway
108. What is the name of protocol used in eliminate loops ?
Switching
ISL
Frame tagging
Spanning Tree Protocol
None of these
Correct Ans: Spanning Tree Protocol
109. If you wanted to locate the hardware address of a local device, which protocol would you use
ARP
RARP
ICMP
PING
PONG
Correct Ans: ARP
110. All of the following are basic principles of networks, except
each computer must have a network card
there must be communications media connecting the network hardware devices
there must be at least one connecting device
each computer must have software that supports the movement of information
None of these
Correct Ans: each computer must have software that supports the movement of information
111. A communications processor that connects dissimilar networks by providing the translation from one set of protocol to another is _____
Bridge
Gateway
Router
Modern
All of these
Correct Ans: Gateway
112. The word FTP stands for ________
File Translate Protocol
File Transit Protocol
File Typing Protocol
File Transfer Protocol
None of these
Correct Ans: File Transfer Protocol
113. ______allows network users to share a single copy of software, which resides on the network server.
network site license
end-user license agreement
business software license
single-user license agreement
None of these
Correct Ans: network site license
114. _________allows wireless mobile devices to access the Internet and its Services such as the Web and e-mail.
TCP/IP
Ethernet
WAP
Token ring
None of these
Correct Ans: WAP
115. The first layer in OSI reference model is
Network
Physical
Application
Data link
None of these
Correct Ans: Physical
116. For large network which topology is used?
Star
Ring
Bus
Mesh
None of these
Correct Ans: Mesh
117. A relatively new technology that allows wireless connectivity:
Bluetooth
Black tooth
Blue band
Broadband
Wi- fi
Correct Ans: Bluetooth
118. The capacity of a communication channel is measured in ___
Bandwidth
Bit capacity
Baud rate
Data flow
Store data
Correct Ans: Bandwidth
119. An affordable technology that uses existing telephone lines to provide high-speed connections is called ________.
ISDN
microwave
cable modem
DSL
ALU
Correct Ans: DSL
120. A Special high-speed line used by large corporations to support digital communications is known as :
satellite/air connection service lines
cable modems
digital subscriber lines
T1, T2, T3 and T4 lines
None of these
Correct Ans: T1, T2, T3 and T4 lines
121. A Credit card-sized expansion board that is inserted into portable computers that connects the modem to the telephone wall jack is:
Internal modem
External modem
PC Card modem
Wireless modem
Wired modem
Correct Ans: PC Card modem
122. The telephone is an example of a(n)_______ signal.
analog
digital
modulated
demodulated
compiler
Correct Ans: analog
123. Bluetooth is a type of radio wave information transmission system that is good for about :
30 feet
30 yards
30 miles
300 miles
3000 miles
Correct Ans: 30 feet
124. Which of the following is used for manufacturing chips ?
Bus
Control unit
Semiconductors
a and b only
None of these
Correct Ans: Semiconductors
125. Servers are computers that provide resources to other computers connected to a ________
network
mainframe
supercomputer
client
None of these
Correct Ans: network
126. Which of the following terms is just the connection of networks that can be joined together ?
virtual private network
internet
intranet
extranet
None of these
Correct Ans: internet
127. A(n) ________ is a combination of hardware and software that facilitates the sharing of information between computing devices.
network
peripheral
expansion board
digital device
None of these
Correct Ans: network
128. Encryption and decryption are functions of
Transport layer
Session layer
Presentation layer
All of the above
None of these
Correct Ans: Presentation layer
129. A device operating at the physical layer is called a
Bridge
Router
Repeater
All of the above
None of these
Correct Ans: Repeater
130. _______ is the act of copying or downloading a program from a network and making multiple copies of it.
Network piracy
Plagiarism
Software piracy
Site-license piracy
None of these
Correct Ans: Software piracy
131. In a ring topology , the computer in possession of the______ can transmit data
packet
data
access method
token
None of these
Correct Ans: token
132. The OSI model is divided into_______ processes called layers .
five
six
seven
eight
None of these
Correct Ans: seven
133. IP address contains __________ bits.
8 bits
16 bits
32 bits
40 bits
None of these
Correct Ans: 32 bits
134. Which among the following is correct characteristics about proxy server:
A proxy server may act as a firewall by responding to input packets in the manner of an application while blocking other packets.
A proxy server is a gateway from one network to another for a specific network application
It performs its tasks or functions as a proxy on behalf of the network user;
All of the Above
None of these
Correct Ans: All of the Above
135. Which device connects LAN to Internet :
HTML
Bridge
Router
Switch
None of These
Correct Ans: Router
136. The linkage of computers with a communication system is called ?
Networking
Pairing
Interlocking
Assembling
None of these
Correct Ans: Networking
137. Pathway that support communication among the various electronic components on the system board are called ?
Bus Lines
Network line
Logic paths
Gateways
None of these
Correct Ans: Bus Lines
138. Network components are connected to the same cable in the _______topology ?’
Star
Ring
Bus
Mesh
None of these
Correct Ans: Ring
139. A wireless network uses _________ waves to transmit signals ?
Mechanical
radio
Sound
Magnehe
None of these
Correct Ans: radio
140. DSL is an example of a __________ connection:
Network
Wireless
Broad band
Slow
None of these
Correct Ans: Network
141. Which of the following is not a type of WAN
VAN
PSDN
PSTN
ISDN
DAN
Correct Ans: DAN
142. What is ‘M’ stands for in MAN ?
MAGNETIC
Metropolitan
Mega
Mass
None of these
Correct Ans: Metropolitan
143. Computers connected to a LAN can ______:
run faster
go on line
share information and/or share peripheral equipment
E-mail
None of these
Correct Ans: share information and/or share peripheral equipment
144. Personal computers can be connected together to form a __________.
Server
Network
Super Computer
Enterprise
None of these
Correct Ans: Network
145. When the network serves a small area of a building or group of building, it is known as.
WAN
LAN
WWW
MAN
None of these
Correct Ans: LAN
146. Which type of network would use phone lines
WAN
LAN
WWAN
Wireless
None of these
Correct Ans: WAN
147. The general term “peripheral equipment” is used for _______________.
Any device that is attached to a computer system
Large-scale computer system
A program collection
Other office equipment not associated with a desktop computer
None of these
Correct Ans: Any device that is attached to a computer system
148. Which one of the following is a key function of firewall?
Monitoring
Deleting
moving
screening
None of these
Correct Ans: Monitoring
149. Which of the following is the key function of a firewall ?
Editing Webaddress
Deleting
Monitoring
Copying
Moving
Correct Ans: Monitoring
150. The vast network of computers that connects millions of people all over the world is called.
LAN
web
hypertext
internet
None of these
Correct Ans: internet
151. The term _______ designates equipment that might be added to a computer system to enhance its functionality.
digital device
system add-on
disk pack
peripheral device
None of these
Correct Ans: peripheral device
152. A _______ is a computer connected to two networks.
link
server
gateway
bridge way
None of these
Correct Ans: bridge way
153. SMTP, FTP and DNS are applications of the ____ layer.
data link
network
transport
application
None of these
Correct Ans: application
154. _________allows wireless mobile devices to access the Internet and its Services such as the Web and e-mail.
TCP/IP
Ethernet
WAP
Token ring
None of these
Correct Ans: WAP
155. The first layer in OSI reference model is ___________
Network
Physical
Application
Data link
None of these
Correct Ans: Physical
156. For large network which topology is used?
Star
Ring
Bus
Mesh
None of these
Correct Ans: Mesh
157. An affordable technology that uses existing telephone lines to provide high-speed connections is called ___________
ISDN
microwave
cable modem
DSL
ALU
Correct Ans: DSL
158. A special high-speed line used by large corporations to support digital communications is known as ___________
satellite/air connection service lines
cable modems
digital subscriber lines
T1, T2, T3 and T4 lines
None of the above
Correct Ans: T1, T2, T3 and T4 lines
159. Servers are computers that provide resources to other computers connected to a ________
network
mainframe
supercomputer
client
None of these
Correct Ans: network
160. What does SNMP stand for?
Simple Network Mail Protocol
Single Network Mail Protocol
Single Network Message Protocol
Simple Network Management Protocol
None of these
Correct Ans: Simple Network Management Protocol