Option A. is the correct answer the other three are not professional behaviour if you would like an explanation as to why they are not just comment
<span>Password procedures, information encryption software, and firewalls are examples of measures taken to address are all measures taken to safeguard information security and protect users data from being tampered or manipulated by invaders.
In web, if we leave our information without encryption or if we leave our system without firewall, different types of security threats might arise: such as, information being hacked, manipulated or sent to wrong places. To avoid this information encryption is done. We might also need to firewall our system so that we can avoid unwanted access and invading of our privacy using malwares and other tools. </span>
The answer is Fourth-generation language (4GL). <span>Sql is an example of a 4GL category programming language. </span>SQL<span> is considered a Fourth-generation </span>language<span> (</span>4GL), whereas Java and C++ are third-generation languages<span> (3GLs). Fourth-generation </span>languages<span> are programming </span>languages<span> that are closer to human </span>language<span> than the high-level </span>languages<span> like Java.</span>
23 bits would leave room for 512 node numbers.