A user is working with the command line interface on a Linux computer To show the contents of the current directory, which of the following commands should be used'

• A.Is
• B.-get
• C.dir
• D.mv

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A customer's computer is having difficulty opening programs and regularly receives error messages regarding low system resources. Which of the following performance setting changes would BEST help the customer temporarily until a proper upgrade can be made?

• A.Data execution prevention
• B.Visual effects
• C.Page-file size
• D.Processor scheduling

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A technician is setting up a SOHO router for a customer. Per the customer's requirements, data security is the highest priority. Which of the following provides the MOST security for the network?

• A.Set up encryption for wireless
• B.Set up port forwarding.
• C.Set static IP addresses.
• D.Change the default SSID.

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A technician is having issues with the WiFi connection while working on a Mac. The technician wants to check which SSID the computer is connected to and some statistics about the connection. Which of the following terminal commands should the technician use?

• A.sudo
• B.iwconfig
• C.apt-get
• D.ifconfig

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Which of the following allows for per-command authentication and authorization?

• A.AES
• B.TACACS
• C.TKIP
• D.RADIUS

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