Networking in Computers MCQ Questions with Answers

Question. A group of computers and other devices connected together is called________.
(a) Network
(b) Intranet
(c) Internetworking
(d) Both 2 and 3
(e) Extranet

Answer : A

Question. What is the minimum number of wires needed to send data over a serial communication link layer ?
(a) 1
(b) 2
(c) 4
(d) 6
(e) None of these

Answer : B

Question. Which of the following devices translates hostnames into IP addresses?
(a) DNS Server
(b) Hub
(c) DHCP Server
(d) Firewall
(e) MAC

Answer : A

Question. What is a stub network?
(a) A network that has only one entry and exit point.
(b) A network with only one entry and no exit point.
(c) A network with more than one exit point.
(d) A network with more than one exit and entry point.
(e) A network with more than one entry point.

Answer : A

Question. Which of the following devices takes data sent from one network device and forwards it to all devices on the network regardless of the intended recipient?
(a) Switch
(b) DNS Server
(c) Hub
(d) Gateway
(e) All

Answer : C

Question. Device that connect to the network without using cables is called———.
(a) Distributed
(b) Wireless
(c) Centralized
(d) Open source
(e) None of these

Answer : B

Question. Which of the following communication mode support two way traffic but only in one direction at a time?
(a) Simplex
(b) half-duplex
(c) three-quaters duplex
(d) All of the Above
(e) None of these

Answer : B

Question. Which of the following performs modulation and demodulation ?
(a) Fiber optics
(b) Satellite
(c) Coaxial Cable
(d) Encoder/Decoder
(e) None of these

Answer : E

Question. Example of connectivity is_______
(a) Internet
(b) Floppy disk
(c) Powercord
(d) Data
(e) None of these

Answer : A

Question. A ____________ uses long-distance transmission media to link computers separated by distance.
(a) circuit-switching network
(b) Wi-Fi
(c) WAN
(d) LAN
(e) None of these

Answer : C

Question. Which device can not be shared in Network?
(a) Computer
(b) Keyboard
(c) Floppy
(d) Printer
(e) None of these

Answer : B

Question. The loss in signal power as light travels down the fiber is called
(a) Attenuation
(b) Interruption
(c) Scattering
(d) Propogation
(e) None of these

Answer : A

Question. Which class of IP address provides a maximum of only 254 host addresses per network ID?
(a) Class E
(b) Class B
(c) Class C
(d) Class D
(e) Class A

Answer : C

Question. Work group means ?
(a) Computer in Network
(b) Individual user
(c) Individual deposit
(d) All of above
(e) None of these

Answer : A

Question. An unauthorized user is a network _______ issue.
(a) Performance
(b) Reliability
(c) Security
(d) Firewall
(e) None of these

Answer : C

Question. Which layer of OSI Model is closest to the user -
(a) Physcial layer
(b) Transport layer
(c) Application layer
(d) Network layer
(e) None of these

Answer : C

Question. Which of the following is considered as a broad band communications channel?
(a) co-axial cable
(b) fiber optic cable
(c) microwave circuits
(d) satellite systems
(e) All of the above

Answer : E

Question. Which one of the following is used as connect to the internet?
(a) Web browser
(b) Net fitter
(c) Windows 95
(d) Cable
(e) None of these

Answer : D

Question. Which is the first layer of OSI model-
(a) Physical layer
(b) Link layer
(c) Transport layer
(d) Network layer
(e) None of these

Answer : A

Question. The user account can only be created by the
(a) User
(b) Network administrator
(c) Security administrator
(d) Project incharge
(e) None of these

Answer : B

Question. Which of the following devices is used to connect same network segments and manage the traffic between them?
(a) Switch
(b) Hub
(c) Modem
(d) Repeater
(e) Bridge

Answer : E

Question. The protocol that makes Internet universality possible is _________.
(a) FEP
(b) WAN
(c) POTS
(d) TCP/IP
(e) MAN

Answer : D

Question. Digital signal used in ISDN have -
(a) Discrete value
(b) Any value
(c) whole no value
(d) fractional value
(e) None of these

Answer : A

Question. Which of the following layer is not in OSI model?
(a) Physical layer
(b) Internet layer
(c) Network layer
(d) Transport layer
(e) Application layer

Answer : B

Question. Which of the following is NOT a type of broadband Internet connection?
(a) Cable
(b) DSL
(c) Dial-up
(d) Satellite
(e) None of these

Answer : C

Question. Which of the following is not an example of security and privacy risk ?
(a) Hackers
(b) Spam
(c) Virus
(d) Identity theft
(e) None of these

Answer : B

Question. _________ processing method allows both remote access and remote processing.
(a) Analog transmission
(b) Centralized data processing
(c) Distributed data processing
(d) Digital transmission
(e) Hierarchy processing

Answer : C

Question. Which of the following is NOT considered as a network communications device?
(a) Network interface card (NIC)
(b) Modem
(c) Data bus
(d) Router
(e) None of these

Answer : C

Question. Which one is a valid IP address?
(a) 300.215.317.3
(b) 302.215.417.5
(c) 202.50.20.148
(d) 202-5-20-148
(e) None of these

Answer : C

Question. Which type of transmission media is known as regular telephone wire?
(a) Wi-Fi
(b) Twisted-pair wire
(c) Fiber optic cable
(d) Coaxial cable
(e) All

Answer : B

Question. The most common communications devices all use __________ transmission, a continuous electrical signal in the form of a wave.
(a) analog
(b) digital
(c) automatic
(d) all
(e) None of these

Answer : A

Question. Which of the following has highest complex interconnection ?
(a) Bus
(b) Ring
(c) Star
(d) Mesh
(e) None of these

Answer : D

Question. What is the purpose of a firewall on a computer?
(a) To protect a computer from unauthorized access
(b) To protect a computer in case of fire
(c) To protect a computer from spam
(d) All of the above
(e) None of these

Answer : A

Question. Who decide about the division of work with respect to IT security ?
(a) Data owner
(b) Senior Manager
(c) Data Custodian
(d) Data user
(e) None of these

Answer : B

Question. In OSI network architecture, the routing is performed by ............. ?
(a) Network layer
(b) Data link layer
(c) Transport layer
(d) Session layer
(e) None of these

Answer : A

Question. A network of geographically distant computers and terminals is called a:
(a) Integrated Services Digital Network (ISDN)
(b) local area network (LAN)
(c) metropolitan area network (MAN)
(d) wide area network (WAN)
(e) All of the above

Answer : D

Question. The distance a simple signal can travel in one period is called ________.
(a) Wavelength
(b) Frequency
(c) Propagation speed
(d) Both 1 and 2
(e) None of these

Answer : A

Question. In this network arrangement, all computers have equal status.
(a) Client/server
(b) Client-to-client
(c) Peer-to-peer
(d) Token ring
(e) Server/ Terminal

Answer : A

Question. A (n) __________ adapter can move data at 128,000 bps, more than double a standard modem
(a) Fax
(b) Dial-Up
(c) Telephone modem
(d) ISDN
(e) None of these

Answer : D

Question. Netware is a product of which company ?
(a) Microsoft
(b) Redhat
(c) Novell
(d) Window
(e) None of these

Answer : C

Question. Which of the following refers to a small, single-site network?
(a) LAN
(b) DSL
(c) RAM
(d) USB
(e) CPU

Answer : A

Question. ________ method places all processing, hardware, and software in one central location.
(a) Wide area data processing
(b) Network data processing
(c) Centralized data processing
(d) Distributed data processing
(e) None of these

Answer : C

Question. Which of the following devices modulates digital signals into analog signals that can be sent over traditional telephone lines?
(a) Router
(b) Gateway
(c) Switch
(d) Modem
(e) NIC

Answer : D

Question. Computers connected to a LAN (Local Area Network) can—
(a) Run faster
(b) Go on line
(c) Share information and/or share peripheral equipment
(d) E-mail
(e) None of these

Answer : C

Question. Which of the following is an invalid IP Address -
(a) 10. 226. 0. 15
(b) 192. 168. 0.12
(c) 10. 265. 0 .115
(d) 192. 168. 0. 1
(e) None of these

Answer : C

Question. Transmission Lines are also called as________.
(a) Circuits
(b) Channels
(c) Trunks
(d) Circuits channels, or trunks
(e) Wire

Answer : D

Question. Copper wire is an example of?
(a) Guided Transmission Media
(b) Shield Media
(c) Group Media
(d) Unguided Transmission Media
(e) None of these

Answer : A

Question. Bandwidth means -
(a) Channel capacity
(b) Data transmission
(c) Cable lengt
(d) All
(e) None of these

Answer : D

Question. Which of the following is not a transmission medium ?
(a) Telephones lines
(b) Coaxial cables
(c) Modem
(d) Micro wave system
(e) None of these

Answer : C

Question. The Switching Elements are also called as _____.
(a) Host
(b) Terminal
(c) Interface Message Processors (IMPs)
(d) Both 1 and 2
(e) Subnet

Answer : C

Question. Which protocol does Ping use?
(a) TCP
(b) ARP
(c) ICMP
(d) BootP
(e) UDP

Answer : C

Question. Which topology requires a multipoint connection?
(a) Mesh
(b) Star
(c) Bus
(d) Ring
(e) Tree

Answer : C

Question. What is the function of network neighbourhood ?
(a) To navigate shared computer and folder in Network
(b) To identify who is living near to you
(c) Send messages to neighbouring computer
(d) Both 1 & 2
(e) None of these

Answer : A

Question. Which of the following services use TCP?
(a) DHCP
(b) SMTP
(c) FTP
(d) HTTP
(e) 2, 3 and 4

Answer : E

Question. Which of the following terms is used to describe a hardware- or software-based device that protects networks from outside threats?
(a) NIC
(b) Gateway
(c) Firewall
(d) Hub
(e) Server

Answer : C

Question. Network which is connected over a Geographic area is called -
(a) LAN
(b) MAN
(c) WAN
(d) CAN
(e) None of these

Answer : C

Question. The most important and powerful computer are typically____.
(a) Desktop
(b) Network client
(c) Network server
(d) Networkstation
(e) Super computer

Answer : E

Question. Which topology requires a central controller or hub?
(a) Mesh
(b) Star
(c) Bus
(d) Ring
(e) Tree

Answer : B

Question. Which of the following network devices/systems translates data from one format to another?
(a) DHCP Server
(b) Hub
(c) Gateway
(d) NIC
(e) Switch

Answer : B

Question. Which device is used to connect a computer over the Telephone Network.
(a) Router
(b) Hub
(c) VSAT
(d) Gateway
(e) None of these

Answer : E

Question. HUB is a _________ Device and Switch is a ________ Device.
(a) Unicast, Multicast
(b) Multicast, Unicast
(c) Broadcast, Unicast
(d) Unicast, Unicast
(e) Multicast, Multicast

Answer : D

Question. CBS is the example of -
(a) LAN
(b) WAN
(c) Internet
(d) Intranet
(e) None of these

Answer : D

Question. A communication processor that connects dissimilar networks by providing the translation from one set of protocol to another is—
(a) Modem
(b) Gateway
(c) Router
(d) Bridge
(e) All of these

Answer : B

Question. Star Topology is based on a Central Device that can be __________.
(a) HUB
(b) Switch
(c) Router
(d) Both 1 and 2
(e) Gateway

Answer : D

Question. Switch is a device of _________ Layer of OSI Model.
(a) Network Layer
(b) Data Link Layer
(c) Application Layer
(d) Session Layer
(e) None of these

Answer : C

Question. Computer systems that transmit data over communications lines, such as telephone lines or cables are called______.
(a) home-based systems
(b) centralized data systems
(c) data networks
(d) data communications systems
(e) Wi-Fi system

Answer : D

Question. Which of the following devices takes data sent from one network device and forwards it to the destination node based on MAC address?
(a) Hub
(b) Switch
(c) Gateway
(d) Modem
(e) All

Answer : B

Question. A network of personal computers that share hardware, software, and data is called a ________.
(a) local area network (LAN)
(b) metropolitan area network (MAN)
(c) wide area network (WAN)
(d) plain old telephone service (POTS)
(e) None of these

Answer : A

Question. A computer system that uses communications equipment to connect two or more computers and their resources is a __________.
(a) network
(b) hub
(c) bridge
(d) router
(e) firewall

Answer : A

Question. How many collision domains are created when you segment a network with a 12-port switch?
(a) 1
(b) 12
(c) 5
(d) 2
(e) 10 12

Answer : B