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WorksheetsICT05 - Day 2
Total questions: 11
Worksheet time: 6mins
What does OSI stand for?
Open System Internet
Open Systeme Internationale
Open System Interconnect
Open Standards Interest
What would you find at Layer 1 of the OSI model?
Routers and Routing
Switches
Cables
TCP
My email application cannot receive email via IMAP.
I am using a company firewall, and my application works from home.
What could be the problem?
Port 933 is blocked on the firewall
Port 993 is enabled on the firewall
HTTP browsing not allowed on the firewall
My email application is not for business use
The application layer specifies the application itself and how it works
True
False
Data that travels in the OSI model.....
Can do so in any order and jump across layers
Can only travel in one direction
Can only go from one layer to the next one in order
Doesn't need to use the layers at all
Encryption takes place at which layer?
Transport
Presentation
Application
Data Link
Which protocol is used for securely accessing remote servers?
HTTP
SSH
FTP
SMTP
Which layer of the OSI model is responsible for error checking and reliable packet delivery?
Application
Presentation
Session
Transport
Which layer of the OSI model is responsible for establishing, managing, and terminating sessions?
Transport
Session
Presentation
Application
In the OSI model, which layer is directly above the network layer?
Data Link
Transport
Session
Application
Which protocol operates at the Transport layer of the OSI model to provide reliable data transmission?
UDP
IP
TCP
ARP
