A user is unable to browse a website on a PC. Which of the following commands should a technician use to verify the PC's DNS resolution for the website?

• A.nslookup
• B.hostname
• C.tracert
• D.netstat

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During a recent flight an executive unexpectedly received several dog and cat pictures while trying to watch a movie via in-flight Wi-Fi on an iPhone. The executive has no records of any contacts sending pictures like these and has not seen these pictures before. To BEST resolve this issue, the executive should:

• A.set AirDrop so that transfers are only accepted from known contacts
• B.completely disable all wireless systems during the flight
• C.discontinue using iMessage and only use secure communication applications
• D.only allow messages and calls from saved contacts

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A technician thinks a customer's computer may have a malware infection and wants to determine whether the computer is in communication with any other machines. Which of the following commands should the technician use?

• A.nslookup
• B.netstat
• C.net user
• D.net use
• E.tracert

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A user's laptop is shutting down every time the laptop lid is closed, which is leading to frequent work interruptions. Which of the following should a help desk specialist do to remediate the issue?

• A.Configure the sleep settings.
• B.Disable hibernation.
• C.Edit the power plan.
• D.Turn on fast startup.

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Which of the following is the most significant drawback of using the WEP protocol for wireless security?

• A.Complex configuration process
• B.Slow data transfer speed
• C.Vulnerability to key-cracking attacks
• D.Incompatibility with older devices

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