Computer Fundamentals and Networking Concepts 4--SCDL

Computer Fundamentals and Networking Concepts 4

LIST OF ATTEMPTED QUESTIONS AND ANSWERS

Multiple Choice Multiple Answer
Question
A data terminal serves as :-
Correct Answer
Effecter , Sensor
Your Answer
Transmitter , Modulator

Multiple Choice Single Answer
Question
Topology requires a multipoint connection called :-
Correct Answer
Mesh
Your Answer
Star

True/False
Question
The 5-7 digits are known as the country code of the Network User Address (NUA)
Correct Answer
False
Your Answer
False

Multiple Choice Single Answer
Question
An error detecting code which is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as :-
Correct Answer
Cyclic Redundancy check
Your Answer
Error rate

True/False
Question
The application layer of a network consists of software being run on the computer connected to the network.
Correct Answer
True
Your Answer
True

Select The Blank
Question
Flow control ________.
Correct Answer
Prevents overflow at receiver
Your Answer
Prevents overflow at transmitter

Multiple Choice Single Answer
Question
Fiber Optic Ethernet is also known as:-
Correct Answer
10BASEF
Your Answer
10BASET

Select The Blank
Question
The ________ Timer is used in termination phase.
Correct Answer
Time waited
Your Answer
Time waited

Select The Blank
Question
In Base T4 Ethernet ________ line coding is used.
Correct Answer
8B /6T
Your Answer
8B /10B

Multiple Choice Single Answer
Question
Which of the following device copies electrical signals from one Ethernet to another?
Correct Answer
Repeater
Your Answer
Passive hub

Multiple Choice Single Answer
Question
Which of the following connects LAN to a WAN?
Correct Answer
A network gateway
Your Answer
A network gateway

Multiple Choice Single Answer
Question
Which of the following communications lines is best suited to interactive processing applications?
Correct Answer
Full-duplex lines
Your Answer
Full-duplex lines

Multiple Choice Multiple Answer
Question
A spanning tree bridge :-
Correct Answer
Has no loops , Creates logical topology , Uses BPDU
Your Answer
Has no loops , Uses BPDU , Forward every frame

Multiple Choice Multiple Answer
Question
In fast Ethernet functions of autonegotiation are :-
Correct Answer
To allow incompatible devices to one other , To allow one device to have multiple capability , To allow station to check hub's capability
Your Answer
To allow incompatible devices to one other , To allow one device to have multiple capability

True/False
Question
The simultaneous transmission of data to a number of stations is known as broadcast.
Correct Answer
True
Your Answer
True

True/False
Question
The physical layer of a network controls error detection and correction.
Correct Answer
False
Your Answer
False

Multiple Choice Single Answer
Question
Which organisation has developed much of the original standards?
Correct Answer
IEEE
Your Answer
IEEE

True/False
Question
UDP is a connectionless, unreliable protocol.
Correct Answer
True
Your Answer
False

Multiple Choice Multiple Answer
Question
Twisted pair cables are preferred when :-
Correct Answer
The LAN is under cost constraint , Relatively easy installation is need
Your Answer
The LAN is under cost constraint , Relatively easy installation is need , Network is small

Match The Following
Question
Correct Answer
Your Answer
Communication system
Hardware, software, and data transferal links
Hardware, software, and data transferal links
Digital
0 and 1
0 and 1
FDM
Band width of the medium
Band width of the medium
Start and stop bits
Asynchronous transmission
Asynchronous transmission

Multiple Choice Single Answer
Question
Peer to peer communication involves:-
Correct Answer
Computers to share information over a network
Your Answer
Computers to share information over a network

Multiple Choice Single Answer
Question
Twisted -pair Ethernet is also known as :-
Correct Answer
10BASET
Your Answer
10 BASE2

Multiple Choice Multiple Answer
Question
Broadcasting methods are :-
Correct Answer
Flooding , Multidestination routing , Reverse path forwarding
Your Answer
Random routing , Multidestination routing , Reverse path forwarding

Match The Following
Question
Correct Answer
Your Answer
Full - duplex
Simultaneous transmission in both directions
Simultaneous transmission in both directions
Modem
Modulator Demodulator
Modulator Demodulator
Bit
Binary digit
0 and 1
Synchronous communication efficiency
High
High

Select The Blank
Question
In ALOHA ________ is the downloading carrier frequency.
Correct Answer
413 MHz
Your Answer
407 MHz

Multiple Choice Single Answer
Question
Bandlimited signal is :-
Correct Answer
A signal all of whose energy is contained within a finite frequency range
Your Answer
The simultaneous transmission of data to a number of stations

Multiple Choice Single Answer
Question
In the TCP/IP suite the protocol used for physical addressing of the next hop :-
Correct Answer
ARP
Your Answer
ARP

Multiple Choice Multiple Answer
Question
Categories of traditional Ethernet are :-
Correct Answer
10Base 5 , 10Base 2 , 10Base T
Your Answer
10Base 5 , 10Base 2 , 10Base T

Multiple Choice Multiple Answer
Question
The functions of ATM layers are :-
Correct Answer
Routing , Switching , Multiplexing
Your Answer
Routing , Switching , Multiplexing

True/False
Question
The main purpose of a data link content monitor detect problems in protocols.
Correct Answer
True
Your Answer
True

Multiple Choice Single Answer
Question
Frame Relay operates at :-
Correct Answer
Physical and data link layer
Your Answer
Physical and data link layer

Multiple Choice Single Answer
Question
The actual transmission and reception of data on an RS - 232 interface occurs :-
Correct Answer
On pins 2 and 3
Your Answer
On pins 2 and 3

Select The Blank
Question
The ________ field is used to order packets of a message.
Correct Answer
Sequence number
Your Answer
Checksum

Select The Blank
Question
In fast Ethernet autonegotiation allows ________ negotiation.
Correct Answer
Data rate
Your Answer
Data rate

Multiple Choice Multiple Answer
Question
Error correction and detection in OSI model is done by :-
Correct Answer
Data link Layer , Transport Layer
Your Answer
Physical layer , Data link Layer

Multiple Choice Multiple Answer
Question
Link control protocol (LCP) is responsible for :-
Correct Answer
Establishing , Maintaining , Configuring
Your Answer
Establishing , Maintaining , Configuring

Multiple Choice Multiple Answer
Question
X.25 uses :-
Correct Answer
Packet assembler/disassembler , Packet switched network , Access lines to public data networks
Your Answer
Packet assembler/disassembler , Packet switched network , Access lines to public data networks

Select The Blank
Question
The full abbreviation for AAL is________.
Correct Answer
Application Adaptation layer
Your Answer
Application Adaptation layer

Select The Blank
Question
The ________ timer is needed to handle the zero window size.
Correct Answer
Persistence
Your Answer
Keep alive

Select The Blank
Question
Frame Relay is not used for ________ due to delays in transmission of variable frame sizes.
Correct Answer
Real-time video
Your Answer
Real-time video

True/False
Question
Demodulation is the process of converting digital signals to analog signals.
Correct Answer
False
Your Answer
False

True/False
Question
A device that can convert digital signals to analog signals is a packet.
Correct Answer
False
Your Answer
False

Multiple Choice Single Answer
Question
A hub is actually :-
Correct Answer
A multiport repeater
Your Answer
A multiport repeater

Multiple Choice Single Answer
Question
The cost assigned for passage of a packet through a network is called :-
Correct Answer
Metric
Your Answer
Metric

Multiple Choice Multiple Answer
Question
PAP packets include :-
Correct Answer
Authenticate request , Authenticate ack , Authenticate nak
Your Answer
Authenticate request , Authenticate ack , Authenticate nak

Select The Blank
Question
In 100BaseX ________ bits of data is received from network interface card.
Correct Answer
8
Your Answer
16

Select The Blank
Question
In digital data transmission________.
Correct Answer
Baud rate is equal to bit rate
Your Answer
Baud rate is equal to bit rate