Answer:
d.photographers who follow stars to take pictures
The sender forms an idea.The sender encodes the idea in a message.
Answer:
The answer is True
Explanation:
Switches are responsible for connecting computers within a network and it belongs only to its local network. Its responsibility is to filter and forward packets between LAN segments. They operate on layer two (2) and sometime layer three (3) of the OSI Model.
Routers on the other hand, are responsible for the interconnections of two or more networks. They forward data packets between networks. They reside at gateways, exactly where two or more networks connects. And they use communication protocols to effectively and efficiently communicate among two or more host.
Answer:
First point and the last point are the correct answer to the given question .
Explanation:
The main objective of the digital signature is to ensure the quality of the document or the message was not changed during the transfer of message in the network.
Following are the advantages of the digital signature
- As compare to the electronic signature the digital signature is more secure then that of.
- The signer's signature is seen on the digital signatures as the physical proof.
- Global recognition, and the compliance with the law.
All the other options are incorrect they are not advantage of the digital signature .