Exam Mode: CompTIA A+ Core 1 (220-1201) Practice Tests
220-1201
804
Mobile devices | Laptop hardware; Mobile accessories; Mobile connectivity (13%)
Networking | Ports & protocols; Wireless standards; Network services; SOHO network setup (23%)
Hardware | Cables & connectors; Memory; Storage; Motherboards & CPUs; Printers (25%)
Virtualization and cloud computing | Virtualization concepts; Cloud models; Cloud services (11%)
Hardware and network troubleshooting | Troubleshooting methodology; Hardware faults; Storage faults; Network faults (28%)
Networking
Which of the following statements about the 5.0 GHz wireless frequency used by Wi-Fi is correct?
The 5.0 GHz frequency supports lower data rates than 2.4 GHz
The 5.0 GHz frequency is more effective at penetrating solid surfaces than 2.4 GHz
The 5.0 GHz frequency has more channels available than 2.4 GHz
The 5.0 GHz frequency has a shorter wavelength that allows the signal to travel further than 2.4 GHz using the same power levels
C
The 5 GHz band offers many more non-overlapping channels than 2.4 GHz, which reduces congestion. It does not support lower data rates, it penetrates walls less well, and its shorter wavelength travels a shorter distance at the same power. Ref: CompTIA A+ 220-1201 Objective 2.2.
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Course Content
Supporting Resources
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Exam Mode: CompTIA A+ Core 1 – Practice Test #6
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