The standard (and default) port for HTTP<span> servers to listen on is 80, though they can use any port. </span>HTTP<span> is based on the </span>TCP/IP protocols<span>, and is used commonly on the Internet for transmitting web-pages from servers to browsers.</span>
Answer:

Explanation:
Given
Power at point A = 100W
Power at point B = 90W
Required
Determine the attenuation in decibels
Attenuation is calculated using the following formula

Where
t and
t


Substitute these values in the given formula




<em>(Approximated)</em>
Answer:
The oldest malware vector was emails.
Explanation:
Websites were not widespread early on into the internet, however it was very easy to have a virus that uses an email contact list, where it can send itself to other email addresses and spread.
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To prepare for giving an effective and engaging business presentation;
1. Know your subject and be able to answer questions.
2. Practice your presentation until you are confident in your delivery
3. Get plenty of sleep the night before and have a light breakfast the day of.