Answer:
They use principles of light to scan document
Magnetic scanning
Explanation:
It has happened to me before. i think it’s just because someone is already typing an answer maybe ♀️ or try restarting the app and get back on it. might be jus a glitch from the app but either way hope you get it fixed :)
Routing is process of selecting and establishing the routes that data packets take on their way to a particular destination (specific IP addresses). Broadcasting on the other hand is the simultaneous transmission of the same message to multiple recipients. In contrast to routing, broadcasting lacks the ability to direct packets to a specific address. When it comes to security, routing is not necessarily more secure than broadcasting. Without goof security protocols other users can read messages even if they aren't the recipient of the packet.
Answer: The correct answer is A. I just answered this question myself!
Answer:
Dynamic Host Configuration Protocol (DHCP) enables users to dynamically and transparently assign reusable IP addresses to clients. ... Domain Name System (DNS) is the system in the Internet that maps names of objects (usually host names) into IP numbers or other resource record values.