1. Junk email is called spam. Spam is an email that you did not request, and which usually promotes advertising or other unwanted content.

2. Spoofing is a special type of cyber-attack in which someone attempts to deceive other computer networks by using a computer, device, or network to identify themselves as a legitimate entity.

1. The full name of FTP is File Transfer Protocol.

2. It is a network protocol used to transfer files between two computers.

3. FTP is a two-way protocol, which means both computers can send and receive files from each other.

4. FTP runs in two main modes-

- Unprotected Mode: This mode transfers files without any protection.

- Secure Mode: This mode uses encryption to transfer files using SSL or TLS.

1. There are two types of VGA cables: 14-pin and 15-pin. 14-pin cables will work in most applications, but wider display compatibility may require a 15-pin cable.

1. Encryption is the process of encoding data in cryptography.

2. This process transforms the plaintext or original representation of data into ciphertext or alternative representation of the data.

3. Only authorized parties should be able to decipher the ciphertext back into plaintext and access the original data.

4. Encryption in itself does not prevent interference, but it hinders interceptors from deciphering the content.