TCP/IP

Which device controls the traffic flow across the internet?

• wi-fi
• routers
• switches
• hubs

How many functional layers are there in the TCP/IP protocol stack?

• Seven
• five
• three
• four

At which layer do we concern ourself with trailers as well as headers?

• transport
• internet / network
• application
• link

HTTP, SMTP and POP3 are protocols designed to function at which layer?

• application
• link
• internet / network
• transport

Sockets facilitate what type of communication?

(one word)

What is encapsulation in the context of networking?

• The process of putting asbestos waste in concrete pellets
• A method of modular communication
• A method of data hiding
• A method of separating concerns

Bit transmission only occurs at the internet layer?

• True

• False

What is your favourite TCP/IP layer?

At which layer do we establish the maximum segment size?

• internet / network
• application
• transport
• link

Software programs run at the transport layer?

• True
• False