MCQ Networking

Multiple Choice Questions and Answers


    1.  MCQ: The combination of two or more networks are called
A.  Internetwork
B.   WAN
C.   MAN
D.  LAN
Answer 
    2. MCQ: Which topology covers security, robust and eliminating the traffic factor?
A.  Mesh
B.   Ring
C.   Star
D.  Bus
Answer 
Answer 
3.    MCQ: The multipoint topology is
A.  Bus
B.   Star
C.   Mesh
D.  Ring
Answer 
4.    MCQ: A communication path way that transfers data from one point to another is called
A.  Link
B.   Node
C.   Medium
D.  Topology
Answer 
5.    MCQ: The network providing a high speed connectivity is
A.  MAN
B.   LAN
C.   WAN
D.  Internetwork
Answer 
6.    MCQ: Synonymous of the rule is
A.  Standard
B.  Protocol
C.   Forum
D.  Agency
Answer 
7.    MCQ: The connection in which multi devices share a single link is called
A.  Point to point
B.  Multipoint
C.   Time Shared
D.  Spatially Shared
Answer 
8.    MCQ: The elapsed time between an inquiry and a response is called.
A.  Transit Time
B.   Delay Time
C.   Processing Time
D.  Response time
Answer 
9.    MCQ: Nodes are another name of
A.  Devices
B.   Links
C.   Medium
D.  Modes

10.  Communication channel is shared by all the machines on the network in:
·         A. broadcast network
·         B. unicast network
·         C. multicast network
·         D. none of the mentioned
Answer
11.                       nswer MCQ: National Internet Service Provider (ISP) networks are connected to one another by private switching stations called
A.  Network Access Points
B.  Peering Points
C.   National ISP
D.  Regional ISP


12.                       MCQ: Common LAN topologies are
A.  Bus and ring
B.   Mesh and Ring
C.   Star
D.  both A & CAnswer 


1.    MCQ: The size and format of physical addresses vary depending on the
A.  Receiver
B.   Message
C.   Sender
D.  Network
Answer 
2.    MCQ: ICMP Stands for
A.  Internet Connect Message Protocol
B.  Internet Control Message Protocol
C.   International Connect Message Protocol
D.  International Control Message Protocol
Answer 
3.    MCQ: Transmission Control Protocol/Internet Networking Protocol have
A.  Four Layers
B.   Five Layers
C.   Six Layers
D.  Seven Layers
Answer 
4.    MCQ: The parameter that is normally achieved through a trailer added to the end of the frame is
A.  Access Control
B.   Flow Control
C.  Error Control
D.  Physical addressing.
Answer 
5.    MCQ: The packets of data that is transported by IP is called
A.  datagrams
B.   Frames
C.   Segments
D.  Encapsulate message
Answer 
6.    MCQ: Segmentation and reassembly is the responsibility of
A.  7th Layer
B.   6th Layer
C.   5th Layer
D.  4th layer
Answer 
7.    MCQ: Port address is also known as
A.  Service point address
B.   Receiver point address
C.   Sender point address
D.  Both B & C

8.    MCQ: In encapsulation, the data portion of a packet at level N - 1 carries the whole packet from level
A.  N
B.   N+1
C.   N+2
D.  N+3
Answer 
9.    MCQ: Physical layer is responsible for
A.  Node to node communication
B.  Peer to peer communication
C.   Hop to hop communication
D.  both a and c
Answer 
10.                       MCQ: The OSI model deals with physical, data link, network, transport, session and
A.  Presentation layer
B.   Application layer
C.  both a and b
D.  None of Above
Answer 
11.                       MCQ: A 16-bit port address represents
A.  One single number
B.   four chunks of numbers
C.   two numbers
D.  both b and c
12.                       MCQ: Logical Addresses are
A.  16bit long
B.  32bit long
C.   64bit long
D.  128bit long
13.                       MCQ: Error Control and Flow Control are the responsibilities of
A.  data link and network Layers
B.   data link and Physical Layer
C.   Application and Presentation Layer
D.  data link and Transport Layer
Answer 
14.                       MCQ: The both TCP and SCTP protocols are
A.  Connection less
B.  connection oriented
C.   start but no ending
D.  None of Above
Answer 
15.                       MCQ: The layer that is in between of session and application layer is
A.  Network
B.   Transport
C.  Presentation
D.  Data link
Answer 
16.                       MCQ: In transport layer, the message is divided into transmittable
A.  packets
B.   bits
C.  Segments
D.  frames
Answer 
17.                       MCQ: The layer that are used to deal with the mechanical and electrical specifications are
A.  Physical Layer
B.   Data Link Layer
C.   Network Layer
D.  Transport Layer
Answer  
Answer 
1.    MCQ: Transmission media are directly controlled by the
A.  physical layer
B.   data link layer
C.   network layer
D.  session layer
Answer 
2.    MCQ: The electromagnetic waves ranging in frequencies between 3 kHz and 1 GHz are called
A.  High frequency
B.   Infrared
C.   Microwaves
D.  radio waves
Answer 
3.    MCQ: The ray of light refracts and moves closer to the surface then the angle of the incidence is
A.  equal to the critical angle
B.   not equal to the critical angel
C.  less than the critical angle
D.  greater than the critical angle
Answer 
4.    MCQ: Guided media provides a conduit from one device to another, includes
A.  twisted pair cable
B.   fiber optic cable
C.   coaxial cable
D.  All of the above
Answer 
5.    MCQ: RG-59 is used in
A.  radio
B.   thick Ethernet
C.   thin Ethernet
D.  cable TV

6.    MCQ: In telecommunications, transmission media can be divided into
A.  four broad categories
B.   three broad categories
C.  two broad categories
D.  None
Answer 
7.    MCQ: The twisted pair cable in which metal casing improves the penetration of noise or crosstalk is called
A.  insulated twisted pair cable
B.  Shielded twisted pair cable
C.   Unshielded twisted pair cable
D.  Both A & B
Answer 
8.    MCQ: Line-of-sight propagation lies above
A.  3 KHz
B.  30 MHz
C.   15 MHz
D.  2 KHz
Answer 
9.    MCQ: In single mode, the decrease in density results in a critical angle that is close enough to
A.  180 degree
B.   360 degree
C.   0 degree
D.  90 degree
Answer 
10.                       MCQ: Optical fibers use reflection to guide light through a
A.  channel
B.   metal wire
C.   light
D.  plastic

11.                       MCQ: In the electromagnetic spectrum for wireless communication, the reserved range for Radio waves and microwaves is known as
A.  ground propagation
B.   sky propagation
C.   line-of-sight propagation
D.  NoneAnswer 
swer 
12.                       MCQ: The range of middle frequency is
A.  3-30 kHz
B.   900KHz-300 kHz
C.   3khz-30 MHz
D.  300 kHz-3 MHz
Answer
13.                       MCQ: Unguided medium is
A.  twisted pair cable
B.   coaxial cable
C.   fiber optic cable
D.  free space
Answer 
14.                       MCQ: Radio waves are
A.  unidirectional
B.  omnidirectional
C.   bidirectional
D.  directional
Answer 
15.                       MCQ: Unguided signals can travel from the source to destination in
A.  one way
B.   two ways
C.  three ways
D.  four ways
Answer 
16.                       MCQ: Microwaves having frequency between
A.  1 and 300 GHz
B.   3 kHz and 1 GHz
C.   300 kHz and 1 GHz
D.  1GHz and 300 GHz
Answer 
17.                       MCQ: Propagation of light is
A.  unidirectional
B.   bidirectional
C.   multimode
D.  single mode
Answer

1.    MCQ: The field of the MAC frame that alerts the receiver and enables it to synchronize is known as
A.  SFD
B.  preamble
C.   source address
D.  destination address
Answer 
2.    MCQ: The maximum length of 1000BaseSX is
A.  550 m
B.   25 m
C.   100 m
D.  5000 m
Answer 
3.    MCQ: 1000Base-LX has used two wires for long wave are
A.  STP Cable
B.   UTP Cable
C.  Fiber Optic
D.  Coaxial Cable
Answer 
4.    MCQ: Protocol Data Unit (PDU) is similar to
A.  LLC
B.  HDLC
C.   MAC
D.  DSAP
Answer 
5.    MCQ: The terms that control the flow and errors in full duplex switched Ethernet is called
A.  LLC Sub layer
B.   MAC Sub layer
C.   LLC Control Layer
D.  MAC Control Layer
6.    MCQ: In 10Base2, the cable is
A.  Thick
B.  Thin
C.   Twisted Pair
D.  None of the above
Answer 
7.    MCQ: Preamble contains
A.  6 Bytes
B.   4 Bytes
C.   2 Bytes
D.  7 Bytes
Answer 
8.    MCQ: The maximum length of optical fiber in 10BaseF is
A.  100 meter
B.   185 meters
C.   500 meter
D.  2000 meter
Answer 
9.    MCQ: A destination address can be
A.  Unicast
B.   multicast
C.   broadcast
D.  all of the above
Answer 
10.                       MCQ: In Ethernet frame, both destination and sender addresses are of length
A.  1 Byte
B.   2 Bytes
C.   4 Bytes
D.  6 Bytes

11.                       MCQ: The control frame that is sent by the destination station is called
A.  clear to send
B.   Request to sent
C.   Distributed Interframe Space
D.  Short Interframe Space
Answer 
12.                       MCQ: The field retry means retransmitting frame when its value is set to
A.  0
B.  1
C.   -1
D.  infinity
Answer 
13.                       MCQ: IEEE 802.11 have three categories of
A.  frames
B.   fields
C.   signals
D.  sequences
Answer 
14.                       MCQ: The access method of baseband layer is
A.  FDMA
B.  TDMA
C.   FSK
D.  CDMA
Answer 
15.                       MCQ: A BSS without an AP is called an
A.  adhoc network
B.   infrastructure network
C.   connectionless network
D.  channelization network

16.                       MCQ: Bluetooth defines several protocols for the upper layers that uses
A.  UDP
B.  L2CAP
C.   HSP
D.  ITP
Answer 
17.                       MCQ: Peripheral devices can communicate through a small network, known as
A.  Wireless Network
B.  Bluetooth Network
C.   Adhoc Network
D.  Piconet Network
Answer 
er 
18.                       MCQ: Bluetooth allows the station to define a quality of
A.  Time Level
B.  Service Level
C.   Data Level
D.  Segment Level
Answer 
19.                       MCQ: ACL stands for
A.  Asynchronous Connectionless Link
B.   Asynchronous Connection Link
C.   Asynchronous Connected Link
D.  Asynchronous Communication Link
Answer 
20.                       MCQ: The Ethernet frame contains
A.  3 Fields
B.   5 Fields
C.  7 Fields
D.  9 Fields 
swer 
21.                       MCQ: NIC stand for
A.  Network Interface Card
B.   National Internet code
C.   Network Isolated card
D.  Network international code
Answer wAnsw\\\er
Answer \\\\\
1.     A device that provides a central connection point for cables is –
A Switch
B Hub
C Gateway
D Proxy Server

Answer: Gateway

2.     A device which is used to boost the signal between two cable segments or wireless access points is
A Booster
B Repeater
C Switch
D Router

Answer: Switch

3.     A device that connects networks with different protocols –
a) Switch
b) Hub
c) Gateway
d) Proxy Server
View Answer
Answer: c
Explanation: Such a device is known as a Gateway.

4.     9. A device that helps prevent congestion and data collisions –
a) Switch
b) Hub
c) Gateway
d) Proxy Server
View Answer
Answer: a

5.     10. A device that is used to connect a number of LANs is –
a) Router
b) Repeater
c) Bridge
d) Switch
View Answer
Answer: a
Answer 
6.     MCQ: In filtering when the frame is forwarded, the decision must specify the
A.   Device
B.   modes
C.   Port
D.   bridge

a.     7. Which of the following is not the Networking Devices?
A. Gateways
B. Linux            
C. Routers
D. Firewalls
Answer 
b.      
8.  Layer-2 Switch is also called
A. Multiport Hub
B. Multiport Switch
C. Multiport Bridge
D. Multiport NIC

9.   Routing tables of a router keeps track of
A. MAC Address Assignments
B. Port Assignments to network devices
C. Distribute IP address to network devices
D. Routes to use for forwarding data to its destination
swer 
10.   MCQ: Issue of ?How are paths allocated to packets??, addresses the
A.Transport
B. Routing
C.Switching
D.Bandwidth
Ans
wer 
11.  MCQ: Every network that interconnects more than two devices also requires some mechanism to deliver each packet to the correct destination, the associated function is referred to as
A.   Transmission time
B.   Routing
C.   Link injection bandwidth
D.   IP offload
Answer 
12.  MCQ: When two nodes send at the same time, then the occuring problem is known as
A.   Collision
B.   Accident
C.   Switching
D.   Interaction
Answer 
13.  MCQ: Listening to detect collisions is called
A.     Collision
B.     Collision knowing
C.     Collision detection
D.     Interaction
14.                         A _______ is a device that operates only in the physical layer.nswer
A.   passive hub
B.   repeater
C.   bridge
D.   router

15.                        A ________receives a signal and, before it becomes too weak or corrupted, regenerates the original bit pattern. It then sends the refreshed signal.
A.    passive hub
B.   repeater
C.   bridge
D.   router

16.                      s ________ is actually a multiport repeater. It is normally used to create connections between stations in a physical star topology.wer
A.An active hub
B. A passive hub
C. either (a) or (b)
D.neither (a) nor (b)

17.                      A ________ operates in both the physical and the data link layer.
A.passive hub
B. repeater
C.bridge
D.router

18.                 A three-layer switch is a kind of ________.
E. repeater
F.  bridge
G.                   router
H.none

19. A ______ has a table used in filtering decisions.
          repeater
          bridge
          passive hub
          none

Answer 

20. MCQ: To create the Web Pages we use a term, called
TCP/IP
WWW
HTML
FTP


21. _______ programs are automatically loaded and operates as a part of browser.
A
Utilities
Plug-ins
C
Add-ons
D
Widgets


22.Computer that requests the resources or data from other computer is called as ________ computer.
A
Server
Client

23.Software which allows user to view the webpage is called as __________.
A
Operating System
B
Website
C
Interpreter
Internet Browser


24.Which of the following language is used to write animation and games in browser ?
A
None of these
B
HTML
Java
D
C Programming


25.___________ programs automatically connects to web sites and download documents and save them to local drive.
A
Offline Browsers
Web Downloading Utilities
C
None of these
D
Web Servers


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