ARPANET advanced research projects agency network developed by US Dept of Defense during the Cold War, was the world’s first operational packet switching network, and predecessor of the internet
<ul><li>Hard Bounce- failed delivery of an email due to a permanent reason like a non existent address </li></ul>Soft Bounce- an email that gets as far as the recipients mail server but is bounced back undelivered before it gets to the intended recipient. This might occur because the recipient’s mail box is full.
Spam unwanted and unsolicited email advertisements or messages
Internet- an electronic communications network that connects computer networks around the world
POP POP is a standard protocol used by email clients to retrieve mail from servers.
Phishing Phishing is the process of attempting to get sensitive information from a user such as credit cards or passwords. Phishers usually use sites similar looking to MySpace and other such websites for this.
Encryption and Decryption Encryption is the process of scrambling a message, to make it more secure while it crosses the internet. Decryption is when the message is unscrambled to make it readable for the receiver. Encryption makes it much less likely your sensitive information will be stolen or intercepted.
Netiquette Netiquette is using etiquette on the internet such as NOT SHOUTING and scrolling.
Router A Router is a networking device whose software and hardware are usually designed to the tasks of routing and forwarding information. It is usually used on the internet.