The Chennai School Of banking

COMPUTER KNOWLEDGE Data Communication And Networking

Question No : 1

To send data/message to and from computers the network software puts the message information in a
(1) NIC
(2) packet
(3) trailer
(4) header
(5) None of these

Question No : 2

Geometric arrangement of devices on the network is called
(1) topology
(2) protocols
(3) media
(4) LAN
(5) None of these

Question No : 3

LAN can use ______ architecture.
(1) peer-to-peer
(2) client and server
(3) Both (1) and (2)
(4) Neither (1) and (2)
(5) None of these
 

Question No : 4

Wi-Fi uses
(1) optic fiber
(2) phase line
(3) radio-waves
(4) sound-waves
(5) None of these

Question No : 5

Hub is associated with ______ network.
(1) bus
(2) ring
(3) star
(4) mesh
(5) All of these

Question No : 6

Multiplexing involves ______ path and ______ channel.
(1) one, one
(2) one, multiple
(3) multiple, one
(4) multiple, multiple
(5) None of these

Question No : 7

______ is the transmission of data between two or more computers over communication links.
(1) Communication
(2) Data communication
(3) Networking
(4) Data networking
(5) Information networking

Question No : 8

Communication channel is of ______ types.
(1) 1
(2) 2
(3) 3
(4) 4
(5) None of these
 

Question No : 9

The advantage of LAN is
(1) sharing peripherals
(2) backing up your data
(3) accessing the web
(4) saving all your data
(5) automatic printing of data

Question No : 10

Which type of network would use phone lines?
(1) WAN
(2) LAN
(3) WWAN
(4) Wireless
(5) None of these

Question No : 11

In simplex channel, flow of data is
(1) always in one direction
(2) in both direction, but one at a time
(3) always in both direction
(4) All of the above
(5) None of these

Question No : 12

A packet filtering firewall operates at which of the following OSI layers?
(1) At the application layer
(2) At the transport layer
(3) At the network
(4) At the gateway layer
(5) Both (2) and (3)
 

Question No : 13

A combination of hardware and software that allows communication and electronic transfer of information between computers is a
(1) network
(2) backup system
(3) server
(4) peripheral
(5) modem

Question No : 14

A device that connects to a network without the use of cables is said to be
(1) distributed
(2) cabled
(3) centralized
4) open source
(5) wireless
 

Question No : 15

What type of resource is most likely to be a shared common resource in a computer network?
(1) Printers
(2) Speakers
(3) Floppy disk drives
(4) Keyboards
(5) None of these

Question No : 16

Typical data transfer rate in LAN are of the order of
(1) bits per second
(2) kilo bits per second
(3) mega bits per second
(4) tera bits per second
(5) None of the above
 

Question No : 17

Which of the following refers to a small, single-site network?
(1) PAN
(2) DSL
(3) RAM
(4) USB
(5) CPU
 

Question No : 18

Which of the following topologies is not of broadcast type?
(1) Star
(2) Bus
(3) Ring
(4) All of these
(5) None of these
 

Question No : 19

______ allows LAN users to share computer programs and data.
(1) Communication server
(2) Print server
(3) File server
(4) All of these
(5) None of these
 

Question No : 20

______ is the most important/powerful computer in a typical network.
(1) Desktop
(2) Network client
(3) Network server
(4) Network station
(5) Network switch
 

Question No : 21

P2P is a ______ application architecture.
(1) client/server
(2) distributed
(3) centralized
(4) 1-tier
(5) None of these

Question No : 22

Ethernet uses
(1) bus topology
(2) ring topology
(3) mesh topology
(4) All of these
(5) None of these
 

Question No : 23

In a ring topology, the computer in possession of the ______ can transmit data.
(1) packet
(2) access method
(3) data
(4) token
(5) None of these

Question No : 24

Which of the following represents the fastest data transmission speed?
(1) Bandwidth
(2) bps
(3) gbps
(4) kbps
(5) mbps

Question No : 25

Network components are connected to the same cable in the topology.
(1) star
(2) ring
(3) bus
(4) mesh
(5) mixed

Question No : 26

Two or more computers connected to each other for sharing information form a
(1) network
(2) router
(3) server
(4) tunnel
(5) pipeline
 

Question No : 27

In OSI network architecture, the routing is performed by
(1) network layer
(2) data link layer
(3) transport layer
(4) session layer
(5) None of these
 

Question No : 28

A device operating at the physical layer is called a
(1) bridge
(2) router
(3) repeater
(4) All of these
(5) None of these
 

Question No : 29

Which of the following is considered a broad band communication channel?
(1) Coaxial cable
(2) Fiber optics cable
(3) Microwave circuits
(4) All of these
(5) None of these
 

Question No : 30

A protocol is a set of rules governing a time sequence of events that must take place
(1) between peers
(2) between an interface
(3) between modems
(4) across an interface
(5) None of the above
 

Question No : 31

An inter-company network which used to distribute information, documents files and database, is called as
(1) LAN
(2) Switch
(3) WAN
(4) MAN
(5) None of these
 

Question No : 32

Which of the following is not a network device?
(1) Router
(2) Switch
(3) Modem
(4) Bridge
(5) None of these
 

Question No : 33

How many bits are there in the Ethernet address?
(1) 64 bits
(2) 48 bits
(3) 32 bits
(4) 16 bits
(5) None of these

Question No : 34

How many layers are in the TCP/IP model?
(1) 4 layers
(2) 5 layers
(3) 6 layers
(4) 7 layers
(5) None of these
 

Question No : 35

What is the user of bridge in network?
(1) To connect LANs
(2) To separate LANs
(3) To control network speed
(4) All of the above
(5) None of these
 

Question No : 36

The first network that has planted the seeds of internet was
(1) ARPANET
(2) NSF net
(3) V net
(4) I net
(5) None of these
 

Question No : 37

Ethernet, token ring and token bus are types of
(1) WAN
(2) LAN
(3) communication channels
(4) physical medium
(5) None of these
 

Question No : 38

Networking using fiber optic cable is done as
(1) It has high bandwidth
(2) It is not affected by electromagnetic
(3) It is thin and light
(4) All of the above
(5) None of these
 

Question No : 39

What is the function of a modem?
(1) Encryption and decryption      
(2) Converts data to voice            
(3) Converts analog signals to digitals and vice-versa
(4) Serve as a hardware anti-virus
(5) None of the above

Question No : 40

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
(1) Multiplexer                              
(2) bridge                                         
(3) hub           
(4) router                    
(5) None of the above

Question No : 41

Which of the following items is not used in Local Area Networks (LANs)?
(1) Interface card
(2) Cable
(3) Computer
(4) Modem
(5) None of these

Question No : 42

Bandwidth refers to
(1) the cost of the cable required to implement a WAN
(2) the cost of the cable required to implement a LAN
(3) the amount of information a peer-to-peer network can store
(4) the amount of information a communication medium can transfer in a given amount of time
(5) None of the above

Question No : 43

Which of the following is the fastest communication channel?
(1) Radio wave
(2) Micro wave
(3) Optical fiber
(4) All are operating at nearly the same propagation speed
(5) None of the above

Question No : 44

Which is the name of the network topology in which there are bidirectional links between each possible node?
(1) Ring
(2) Star
(3) Tree
(4) Mesh
(5) None of these
 

Question No : 45

Which of the following is an advantage to using fiber optics data transmission?
(1) Resistance to data theft
(2) Fast data transmission rate
(3) Low noise level
(4) All of the above
(5) None of the above
 

Question No : 46

Encryption and decryption are the functions of
(1) transport layer
(2) presentation layer
(3) session layer
(4) All of the above
(5) None of these
 

Question No : 47

Which among the following is correct features about LAN (Local Area Network):
(1)  LANs are small size networks which only covers a few buildings or a campus up to few kilometers.
(2) LANs are widely used to connect personal computers and workstations in company offices, factories and universities to share resources and exchange information.
(3) Example of LAN is to share printers in a Lab or in a department.
(4) None of These
(5) All of the Above

Question No : 48

An alternate name for the completely interconnected network topology is
(1) mesh
(2) star
(3) tree
(4) ring
(5) None of these
 

Question No : 49

The fundamental approaches to build a point - to - point network is:
(1) Circuit Switching
(2) Packet Switching
(3) Both (1) and (2)
(4) Either (1) or (2)
(5) None of These