What should be your first step when troubleshooting a network connection that uses a cable modem?

A. Ping the proxy server.

B. Ping the default gateway.

C. Ping local devices using their DNS names.

D. Ping local devices using their IP addresses.

A friend has called you about a possible computer problem because her computer is acting strangely. Sounds play unexpectedly, the monitor turns off suddenly, the hard-drive light flashes constantly, the computer sometimes reboots itself without warning. When you inspect your friend's system, you notice that several ports are open. Which of the following is most likely the cause of these symptoms?

A. The computer has been infected with a polymorphic virus.

B. The computer is experiencing a denial-of-service attack.

C. The computer has been infected with an illicit server.

D. The computer has been infected by a worm.

Which of the following is a security threat commonly associated with cloud-based services?

A. Malware

B. Phishing

C. Hypervisor vulnerabilities

D. Operating system vulnerabilities

Which term describes the practice of actively collecting wireless networking data from companies and individuals?

A. War driving

B. Spear phishing

C. Dictionary attack

D. Social engineering

On your Windows laptop, you store all your vacation photos and your entire digital music library. Concerned about data loss, you perform frequent backups. Your laptop has recently been stolen and you need to restore your files to a desktop computer. Which Windows tool would you use to recover and set up the saved copies of your files onto your desktop computer?

A. Backup and Restore

B. Backup Recovery

C. System Recovery

D. System Restore

Patrick visits his teenage daughter's social media page and discovers several offensive posts about one of her classmates. After speaking with his daughter, Patrick learns that several other girls in her class are upset with the classmate and have been posting, texting and e-mailing others about the girl. What is the best way for Patrick to help his daughter understand cyber bullying?

A. He should advise his daughter to ignore the posts, texts and c-mails.

B. He should explain to his daughter that she is participating in the bullying by accepting others'posts, texts and c-mails.

C. He should explain to his daughter that the Internet embraces freedom of speech, and anyone is allowed to write anything.

D. He should advise his daughter to delete all the posts, texts and c-mails she has received, as well as any new ones that appear.

Which security issue is most closely associated with wireless networks?

A. Spoofing

B. Wardriving

C. Eavesdropping

D. Man-in-the-middle

You have recently purchased a new wireless router. You would like to configure a name for your wireless network so that you can easily identify it when scanning available wireless networks.

Which term describes this wireless network device name?

A. Default gateway

B. Wireless access point (AP)

C. Access Point Identifier (API)

D. Service Set Identifier (SSID)

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?

A. WPA2

B. RSA

C. AES

D. DES

Carol is experiencing read/write errors when trying to save files on her Windows-based laptop. To correct the issue, she could consider performing which of the following maintenance tasks?

A. Disk cleanup

B. fsck command

C. chkdsk command

D. Disk defragmentation