CompTIA Security+ Question B-74

After entering the following information into a SOHO wireless router, a mobile device’s user reports being unable to connect to the network:
PERMIT 0A: D1: FA. B1: 03: 37
DENY 01: 33: 7F: AB: 10: AB
Which of the following is preventing the device from connecting?

A. WPA2-PSK requires a supplicant on the mobile device.
B. Hardware address filtering is blocking the device.
C. TCP/IP Port filtering has been implemented on the SOHO router.
D. IP address filtering has disabled the device from connecting.

Answer: B

Explanation:
MAC filtering allows you to include or exclude computers and devices based on their MAC address.

CompTIA Network+ Question A-36

A company has seen an increase in ransomware across the enterprise. Which of the following should be implemented to reduce the occurrences?

A. ARP inspection
B. Intrusion detection system
C. Web content filtering
D. Port filtering

Correct Answer: C

Explanation:
Ransomware is a type of malware which restricts access to the computer system that it infects, and demands a ransom paid to the creator(s) of the malware in order for the restriction to be removed.
The best way to avoid ransomware include proactive measures like the following: Don’t click on any URL or open an attachment you are not expecting.
Implement an email content filtering service Install a web content filtering service
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