Networks Layers 5.1

What is the TCP/IP protocol stack?What is the TCP/IP protocol stack?

• an abstraction of communication. So, protocols at one layer can be changed without affecting the protocols being used by the other layers.

• is a set of communication protocols that define communication over the internet.

How many layers does the TCP/IP protocol stack have?

• five layers

• four layers

• six layers

What is an advantage of separating network communication over different layers?

• protocols at one layer cannot be changed. They are affecting the protocols being used by the other layers.

• protocols at one layer can be changed without affecting the protocols being used by the other layers.

.............. are the protocols that the application layer uses.

• HTTP and HTTPS

• TCP/IP

• SMTP

• IMAP and POP

• FTP

.............. are the protocols that the transport layer uses

• FTP

• UDP

• HTTPS

• TCP

.......... is the protocol that the internet layer is using

• POP

• IP

• UDP

• IMAP

.............. are the protocols that the link layer uses

• Ethernet

• UDP

• Wi-fi

• TCP