Firewalls are connected with a network device which blocks untrusted network forming a barrier in between trusted and un-trusted network.
Answer:
The ARPANET was the first network that provided commercial internet services. And also it was the first network to make use of the TCP/IP protocols. However, you need to know that the first ISP or the internet service provider was the Telenet, and it was the first commercial version of the ARPANET which was introduced in the year 1974. And this service started its service for the customers in the year 1989.
Explanation:
Please check the answer section.
HTML is a very basic markup language and requires memorization of a few dozen HTML commands that structure the look and layout of a web page. Before writing <span>any HTML code or designing your first web page, you must decide on an HTML editor or text editor, such as Notepad or Word Pad.</span>
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