TCP/IP

Which of these is an example of something that works on the application layer (layer 5 of the five-layer TCP/IP model)?

An ethernet cable UDP A browser A router Correct A browser is an application that lets users visit websites. Since it is an application, it is on the Application layer.

Which layer of the five layer TCP/IP model deals with cabling and connectors?

The application layer The physical layer The transport layer The network layer Correct The physical layer deals with physical devices like cables and connectors.

Which level of the TCP/IP five-layer model does a router operate on?

The application layer The network layer The transport layer The data link layer Correct The network layer moves data across a group of networks.

Question 1 Which of the following is an example of a network layer (layer 3) protocol in the five-layer TCP/IP model?

TCP Ethernet UDP IP Correct IP, or Internet Protocol, is the most common network layer protocol.

On which layer are Ethernet standards and some wireless technologies operating?

The transport layer The data link layer The physical layer The network layer Correct The data link layer introduces the first protocols including Ethernet standards and some wireless protocols.