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 .
Answer:
Studying in groups can have many effective outcomes and be beneficial. Here are some ways studying in a group is benefical,
1. More support, limits chances of procrastination
<u> With many people, everyone is assigned a role or there is more determination by all peoples to get the work done than an individual being the only one responsible than many trying to accomplish the completion of the project. </u>
2. More people means more parts can get done effectively and taking notes is easier.
<u> More people allow the work (depending on the project of assignment) for the work to get more focused and worked on faster with the designated roles given. </u>
3. More interactive and allows (sometimes an enjoyable times) and to even learn faster than independently.
People, not all however, might like the company, there's support and even people skills is enhanced by being in the group.
Explanation:
Here, in the given statement, maximum flow capacity of the ALOHA channel = 18.4% = 0.184
Then, the stations N share 56 kbps
And, the channel rate = 
Then, the outputs of the wach stations is 
, the output of the bits/ sec by each stations = 
So, The output of the N stations is 10 bits/sec on the channel that having 
Finally, N = 
