The OSI Model

Front

Routers operate at which layer of the OSI model? Options: physical, network, transport, data link

Back

network

Front

Bits are packaged into frames at which layer of the OSI model? Options: data link, transport, physical, presentation

Back

data link

Front

Benefits of using a layered network model?

Back

Facilitates troubleshooting, breaks networking into manageable chunks, allows layers developed by different vendors to interoperate.

Front

The layers of the OSI model, from the top down, are:

Back

application, presentation, session, transport, network, data link, physical

Front

Which of the following operate at the presentation layer?
A . MIDI 
B . FTP 
C . SMTP 
D . TFTP  
E . JPEG

Back

A and E

Front

Which of the following are transport layer protocols? Options: TCP and UDP, IP, FTAM, IP and TFTP

Back

TCP and UDP

Front

Which of the following are considered to be the upper layer protocols? Options: presentation and session, application and presentation, application, presentation, and session, application, presentation, session, and transport

Back

application, presentation, and session

Front

Flow control takes place at which layer? Options: physcial, transport, network, session

Back

transport

Front

Encryption takes place at which layer? Options: application, session, presentation, transport

Back

presentation

Front

True or False: The network layer uses physical addresses to route data to destination hosts.

Back

False