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WorksheetsNetworks 1
Total questions: 30
Worksheet time: 29mins
When encryption is needed to protect valuable passwords and financial transactions, this will allow you a safe and secure connection to the Internet
html
http
wifi
https
Computer network that connects computers within a limited area such as a home, school, computer laboratory, or office building, using network media
LAN
WAN
MAN
NET
Computer that provides data to other computers. It may serve data to systems on a local area network (LAN) or a wide area network (WAN) over the Internet.
Client
Server
Satellite
Queue
An application used to search and find information on the Internet
Hub
Browser
Server
Search Engine
Numbered label that is given to any device in a computer network. It allows for network identification and local addressing.
FTP
Encryption
URL
IP
Communication between a computer and a keyboard involves ______________ transmission.
Half Duplex
Full Duplex
Simplex
Automatic
A _______ is the physical path over which a message travels.
Router
Path
Medium
Protocol
Which of this is not a network edge device?
Switch
Server
Client
Mobile
A _________ set of rules that governs data communication.
Medium
Protocol
Standards
Servers
Three or more devices share a link in ________ connection.
Simplex
Uni point
Point to point
Multipoint
In computer network nodes are _________
the computer that originates the data
the computer that routes the data
the computer that terminates the data
All of the mentioned
A __________ is a device that forwards packets between networks by processing the routing information included in the packet.
bridge
firewall
router
hub
Network congestion occurs _________
in case of traffic overloading
when a system terminates
when connection between two nodes terminates
in case of transfer failure
Which of this is not a constituent of residential telephone line?
A high-speed downstream channel
A medium-speed downstream channel
A low-speed downstream channel
An ultra-high speed downstream channel
DSL telcos provide which of the following services?
Wired phone access
ISP
Wired phone access and ISP
Network routing and ISP
The function of DSLAM is to __________
Convert analog signals into digital signals
Amplify digital signals
De-amplify digital signals
b) Convert digital signals into analog signals
The number of layers in ISO OSI reference model is __________
5
7
6
10
How many layers are present in the Internet protocol stack (TCP/IP model)?
5
7
6
10
Which of the following layers is an addition to OSI model when compared with TCP IP model?
Application Layer
Presentation Layer
Session Layer
Session and Presentation Layer
Which layer is used to link the network support layers and user support layers?
Session Layer
Data Link Layer
Transport Layer
Network Layer
Which address is used on the internet for employing the TCP/IP protocols?
physical address and logical address
port address
specific address
all of the mentioned
Which layer is responsible for process to process delivery in a general network model?
network layer
transport layer
session layer
data link layer
Transmission data rate is decided by ____________
Network layer
Physical layer
data link layer
transport layer
Which transmission media provides the highest transmission speed in a network?
coaxial cable
twisted pair cable
optical fiber
electrical cable
TCP/IP model was developed _____ the OSI model.
prior to
after
simultaneous to
with no link to
Which address is used to identify a process on a host by the transport layer?
physical address
logical address
port address
specific address
Which layer provides the services to user?
Application Layer
Session Layer
Presentation Layer
Physical Layer
In TCP IP Model, when data is sent from device A to device B, the 5th layer to receive data at B is ____________
Application Layer
Transport Layer
Link Layer
Session Layer
Which software prevents the external access to a system?
Firewall
Gateway
Router
Virus Checker
Which of the following cannot be used as a medium for 802.3 ethernet?
A thin coaxial cable
A twisted pair cable
A microwave link
A fiber optical cable
