1. E-Mails provides faster and easy mean of communication. One can send message to any person at any place of world by just one click.
2. Its effective and cheap means of communication because single message can be sent to multiple people at same time.
3. E-mail is not just only for textual message. One can send any kind of multimedia within mail.
4. It is secure and reliable method to deliver our message.
5. To write an email there is no need of any kind of paper thus it is environment friendly.
6. Email allows the exchange of information, removes global barriers, keep communication costs low and allow business people the flexibility to access their messages from anywhere in the world.

1. Indirect access:
(i) This is most common method used in home and office networks.
(ii) The device e.g. computer connects to a network using Ethernet or Wi-Fi and the network connects to the Internet using Asymmetric digital subscriber line ADSL (cable or fibre).
2. Direct access:
(i) This is most common method used when travelling.
(ii) The device e.g. smart phone connects directly to the Internet using 3G/4G mobile networks or public Wi-Fi.
(iii) Internet access is sold by Internet Service Provider(ISPs) delivering connectivity at a wide range of data transfer rates via various networking technologies.

1. Hotspots are sites that offer Internet access over a wireless local area network (WLAN) by way of a router that then connects to an internet service provider.
2. Hotspots utilize Wi-Fi technology, which allows electronic devices to connect to the Internet or exchange data wirelessly through radio waves.
3. Hotspots can be phone based or free standing, commercial or free to the public.
4. Its possible for hackers to distribute malware through an unsecured Wi-Fi connection, especially if you are using a file-sharing program over the same network.

(i) Phishing is a types of social engineering attack often used to steal user data, including login credentials and credit card numbers.
(ii) Phishing is one of the easiest forms of cyber-attack to deliver malware.