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Three hardware devices need to communicate with the CPU simultaneously. Which of the following will each device need to issue?
Which of the following computer system maintenance tasks can help improve file access performance?
Which of the following is a security threat commonly associated with cloud-based services?
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 The company’s network equipment has become outdated, and John has been asked to recommend a plan to update the company’s infrastructure.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?
Which type of attack involves the installation of malicious code on personal computers or servers that redirects Internet traffic from a legitimate Web site to an identical-looking but malicious imposter Web site?
Acme Corp. is a small manufacturing company. To reduce IT infrastructure costs, it uses cloud- based services extensively and strives to have the least amount of IT equipment onsite. Last year, Acme suffered a failure that resulted in significant down time and data loss. Management has decided to implement a continuous data protection (CDP) solution. Which type of CDP solution best fits Acme’s situation?
You are a computer technician supporting a small 15-computer Internet lab. The computers are regularly used to browse the Internet and download files. Users have recently complained that they receive error messages saying the hard disk is full or out of space. You suspect this is a result of a large amount of temporary Internet files. Which of the following is a way to easily delete all the temporary Internet files?