A. hub
I can't think of a good reason to use a hub anymore, I always use a switch instead.
Answer:
A: forms major percentage of amazon's overall revenue.
Explanation:
Amazon's revenue stream is based on E-Commerce, advertisements and amazon web services. Amazon is a dominant e-commerce platform with more than 50% markets share in USA.in 2018 amazon made $7.2 billion in USA market through e-commerce business.
Amazon web services generated more than 50% income in 2018.In 2018 it generated income of $7.3 billion.
The option is the hexadecimal code for 100% green is #00FF00. Check more about the code below.
<h3>What is the hexadecimal code for 100% green?</h3>
The green hex code is known to be #00FF00.
Note that the hexadecimal number system can also be called base-16 or simply as hex as it is a number system that employs the use of 16 unique symbols to depicts a specific value.
Learn more about hexadecimal code from
brainly.com/question/11293449
#SPJ1
The command that can be used to display any email messages awaiting delivery alongside the reason that they were not delivered is known as Mailq.
<h3>What is Email?</h3>
Email stands for Electronic mail. It may be defined as a type of method that significantly involves the exchange of computer-stored messages from one user to one or more recipients via the internet.
The command "Mailq" stands for mail queue. It is the command in Linux that prints the queued mail gain in form of sending it to the user. This command prints a list of messages that are in the mail queue. It is the same as the Sendmail-bp command.
Therefore, "mailq" is the command that can be used to display any email messages awaiting delivery alongside the reason that they were not delivered.
To learn more about Email, refer to the link:brainly.com/question/24688558
#SPJ1
Answer:
t
r
u
e
n .....................................................