Ron has an older computer to which he frequently downloads and saves company files. He

recently noticed that he was running low on disk space and decided to delete many old files
that he no longer needed. He now notices that it takes a long time to open or save
documents to his hard drive. Which maintenance task can help?

One of your co-workers calls you to ask if you sent her an e-mail message with an
attachment. You recall that you sent several c-mails with attachments earlier that day.
Which of the following is your best response to this question?

When a developer wants to center a paragraph of text, which code should she use?

Wireless networks are subject to more security issues than standard wired networks. Which
wireless security protocol can prevent unauthorized devices from connecting to the wireless
network?

Irena is reviewing several promotional product videos from her company’s marketing
department before they are published on the company’s Web site. The videos are in
RealMedia format, but they do not open in Irena’s Windows Media Player. What should
Irena do in order to view the videos?

Consider the following address: http://www.ClWcertified
.com/certifications/web_foundations/iba.php Which part of the URL represents the server
name on which this page resides?

What is the distinguishing difference between a LAN and WAN?

Lisa is traveling on company business. She has a company-issued smartphone with 4G
access. Her hotel does not provide Internet access. What advantage does 4G provide to
help her access the Internet?

Virtualization software transforms the hardware resources of a physical computer to create
a fully functional virtual computer that can run its own operating systems and applications.
In addition to the CPU and RAM, which hardware resources are used by virtualization
software?

John is the network administrator for a small company. The company’s network equipment

has become outdated, and John has been asked to recommend a plan to update the
company’s infrastructure. John has read extensively about the many advantages of using
cloud-based services. Which of the following is an advantage of cloud-based services that
John could cite to support his recommendation?