ICT05 - Day 2

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