Computer Networks: Network Components The Internet - Check My Answers
IP Address
A unique identifier of a device on the Internet. It consists of 4 numbers each between 0 and 255. For instance: 123.255.7.41
Packet Switching
A mode of data transmission in which a message is broken into data packets which are sent over a network and may follow different routes before being reassembled at the destination.
IP Protocols
A set of rules used for devices to communicate over the Internet, e.g. HTTP, HTTPS, FTP, SMTP, POP3 and IMAP.
HTTP
A protocol used to access web pages. Data sent and received this protocol is not encrypted
Bandwidth
the amount of data that can be transferred in 1 second, measured in bits per second (bit/s).
Domain Name Server
A computer on the Internet that stores a directory of Domain names with their matching IP address.
POP3 / IMAP
Two protocols used for retrieving emails from a remote web server.
SMTP
A protocol used for sending e-mails.
FTP
File Transfer Protocol, a standard for the exchange of program and data files across a network.
HTTPS
A secure protocol used to access web pages. Data sent and received this protocol is encrypted.