Which of the following is the MOST secure wireless security protocol?

• A.WPA2
• B.WEP
• C.WPA
• D.AES

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Which of the following types of social engineering attacks can be prevented by the destruction of documents with personal or sensitive information?

• A.Shoulder surfing
• B.Phishing
• C.Tailgating
• D.Dumpster diving

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Ann, an external user, has received several calls from a company asking why she has been sending the company communications with internal users' names in the "from field". Ann calls a technician and explains she has not been sending any communications and would like this issue fixed. The technician investigates and determines the PC is not infected with any viruses or malware.
Which of the following should the technician check NEXT?

• A.POP3 errors
• B.DNS entries
• C.Hijacked email
• D.Hosts file

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An administrator changed the lite permissions on a Linux server from -rwxrw-r-x to -rwxrwxrwx.
Which of the following commands did the administrator use?

• A.apt-get
• B.rm
• C.chown
• D.chmod

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A Linux user reports that an application will not open and gives the error. Only one instance of the A root administrator logs on to the device and opens a application may run at one time.
terminal. Which of the following pairs of tools will be needed to ensure no other instances of the software are currently running?

• A.ls and chown
• B.ps and kill
• C.pad and chmod
• D.cp and rm
• E.sudo and vi

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