Joe, a help desk technician, is receiving multiple calls that WiFi is not working in a new area of the building. Joe determines that the coverage should be adequate. Which of the following would be the recommended escalation procedure?
A. Log analysis
B. Spectrum analysis
C. Protocol analyzer
D. Penetration testing
A radio signal bounces off hard surfaces and arrives at a point via multiple paths. Which of the following describes this phenomenon?
A. Reflection
B. Attenuation
C. Absorption
D. Refraction
Which of the following phenomenon results in decreased signal levels due to passing through a solid structure?
A. Reflection
B. Absorption
C. Attenuation
D. Refraction
Which of the following changes with the increase in frequency?
A. Wavelength
B. Amplitude
C. Bandwidth
D. Throughput
When multiple signals arrive at a certain location at a given time and disrupt radio signal reception, this is called:
A. Interference.
B. Refraction.
C. Jamming.
D. Absorption.
An antenna that propagates its signal in 360 degrees is called which of the following?
A. Semi-directional
B. Parabolic
C. Directional
D. Omni-directional
Malicious software that is designed to appear as a legitimate program would be defined as a:
A. trojan.
B. DDoS.
C. rogue access point.
D. man-in-the-middle attack.
Preventing USB flash drives from being used in mobile devices could be accomplished with which of the following?
A. Software firewalls
B. Hardware firewalls
C. Intrusion prevention systems
D. Physical port disabling
An access point that is on a network without authorization would be defined as a(n):
A. Lightweight access point.
B. Rogue access point.
C. Wireless access point.
D. Autonomous access point.
Which of the following methods would MOST likely prevent a laptop from being booted without the correct key or password?
A. File level encryption
B. Full-disk encryption
C. Folder level encryption
D. Removable media encryption
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