If you're talking about Microsoft PowerPoint, just go to the slide view, right click and click "Duplicate Slide".
I'm sure you can also Copy and Paste slides.
Given that,
Token is 64 bytes long
The average number of stations that the token must pass = 20
We need to calculate the transmission delay for token
Using formula of transmission delay

Put the value into the formula




We need to calculate the average wait to receive token on an idle network with 40 stations
Using formula of average wait

Put the value into the formula



Hence, The average wait to receive token on an idle network with 40 stations is 1.024 ms.
Explanation:
A computer's speed and processing power aren't attributable to a single component. It takes a number of pieces of hardware working together to determine your computer's overall performance. The key is how well, and how quickly, all the important components communicate with each other to perform actions.
The answer is A due to the internet being a plethora of information being accessed by anyone and everyone with internet access. Any person of no background to certain information could claim mastery to the field and sway his/her audience to ways possible. Ensuring that the source of the information being read is from credible and reputable companies. You can do this by ensuring the information is from newspapers with names known all over the world or there are also sourced footnotes from the author where they could have cited some information from other articles.