Practice Quiz

CompTIA A+ 220-901

Category - Networking

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A business user in your organization travels constantly and requires dedicated Internet access on the road. What do you recommend she look for as a built-in feature when purchasing a new laptop?
  1. Bluetooth capabilities
  2. Wireless Ethernet (Wi-Fi)
  3. Infrared Connections (IrDa)
  4. Cellular WAN
Explanation
Answer: D - A user who needs to access Internet while traveling should look for a Cellular WAN card

Key Takeaway: In recent years, cellular companies such as AT&T, Verizon, and so on, have partnered with laptop manufacturers to offer cellular WAN services for customers, who, for a monthly fee, can access the Cellular data network and hence access the internet (not unlike the data plan with a mobile phone). Many of these companies also offer external (USB) options as well. Infrared and Bluetooth connections are built into many laptops, but do not usually directly assist with Internet access. Wireless Ethernet (WLAN) requires a hotspot or access point to access the Internet.
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