Which line of code uses the correct syntax to apply an external CSS style sheet to HTML
documents?

You accidentally dropped your mobile phone, which was submerged in water and no longer
works. Upon replacing the phone with an upgraded unit you must reconfigure many of the
services. The instructions say that all you need to do is enter your e-mail address and the
unit will configure the email client for you. Even though you have tried this several times, it
does not work. The mobile phone vendor says that because you are trying to sync your
e-mail account with an enterprise mail server, you will need to configure the e-mail client
manually. Which choice lists the information you will need to configure the e-mail client?

Xue’s company has provided her with a desktop computer to use at work. She has
configured her email client on this work computer to include her personal e-mail account so
that she can conveniently download messages and check her personal e-mail. Xue should
be aware that:

Which HTML validator is best for a final check before a new Web site is published?

Consider the following HTML5 code: This I-ITML5 and CSS code directs the sidebar
background image to:

Which choice describes a correct order of precedence for implementing CSS?

As a project manager, you have to balance three elements that compose the project
triangle. Suppose your customer requests that you add some new requirements to the
project when you are halfway through. If you agree to this request, how would it affect other
aspects of the project?

Matthew has embedded a video in his Web page using the HTML5 video format. The video
is not rendering properly. He asks Arlene to help determine the problem, so she reviews his
code, which appears as follows: <video height=“ 210” class= “center” controls= “controls”>
<video src=“video.ogg” type=“video/ogg” /> Your browser does not support the HTML5
video element. </vi deo> What is wrong with this code?

What is the biggest security concern with wireless networks?

You opened an e-mail attachment and it launches a virus. The virus takes control of your
system and you are unable to run your anti-virus software. Which of the following is the best

step for you to take next?