WorksheetsOSI Model & Transmission Media
Total questions: 24
Worksheet time: 12mins
What is layer 7 of the OSI model?
Application
Presentation
Session
Transport
What is layer 4 of the OSI model?
Session
Transport
Network
Data Link
What are sets of clearly defined rules, regulations, standards, and procedures that enable hardware and software developers to make devices and applications that function properly at a particular layer?
Protocol
TCP/IP
Networks
Interconnection
What does MAC stand for?
media access control
multi access control
media account control
multi address control
The Application Layer works as and interface with the actual application program (i.e google chrome)
True
False
Tick all the statements that match the presentation layer
Responsible for data translation and code formating
Manages and dismantles sessions between users
Segments and Reassembles data into a single stream
Presents Data to the application Layer
Data, compression, decompression, encryption and decryption and assoicated with this layer
Routers operate at which layer of the OSI model?
physical
transport
network
MAC sublayer of the data link layer
session
The layers of the OSI model, from the top down, are:
application, presentation, session, transport, network, data link, physical
session, presentation, data transport, MAC, network, physical
physical, data link, network, transport, session, presentation, application
presentation, application, session, network, transport, data link, physical
application, encryption, network, transport, logical link control, physical
Which of the following are considered to be the upper layer protocols?
presentation and session
application and presentation
application, presentation, and session
application, presentation, session, and transport
application
Error detection and recovery takes place at which layer?( Choose all that apply)
transport
presentation
data link
application
network
IP is implemented at which OSI model layer?
transport
session
data link
network
logical link control
What does OSI stand for?
International Standards Organization
Open Systems Interconnect
Operating Standard Information
Operating System Interconnection
Open Systems Interface
Repeaters and hubs operate at which layer?
network
data link
transport
physical
session
Which OSI layer assumes responsibility for managing, establishing, and ending network connections between applications?
Network layer
Data link layer
Application layer
Session layer
Which transmission media has the highest transmission speed in a network?
coaxial cable
twisted pair cable
optical fiber
electrical cable
Which of the following performs modulation and demodulation?
fiber optics
switch
modulator
modem
In fiber optics, the signal is _______ waves.
light
radio
infrared
very low frequency
Which of the following is not a guided medium?
twisted-pair cable
coaxial cable
fiber-optic cable
atmosphere
Transmission media are usually categorized as __________.
fixed or unfixed
guided or unguided
determinate or indeterminate
metallic or non-metallic
_______ cable consists of an inner copper core and a second sheath.
twisted-pair
coaxial
fiber-optic
shielded twisted-pair
Radio communication frequencies range from ______
3 kHz to 300 kHz
300 kHz to 3 GHz
3 KHz to 300 GHz
3 KHz to 3000 GHz
If a satellite is in geosynchronous orbit, it completes one orbit in ______________
one hour
24 hours
one month
one year
