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Exam PCNSA topic 1 question 38 discussion

Actual exam question from Palo Alto Networks's PCNSA
Question #: 38
Topic #: 1
[All PCNSA Questions]

The CFO found a USB drive in the parking lot and decide to plug it into their corporate laptop. The USB drive had malware on it that loaded onto their computer and then contacted a known command and control (CnC) server, which ordered the infected machine to begin Exfiltrating data from the laptop.
Which security profile feature could have been used to prevent the communication with the CnC server?

  • A. Create an anti-spyware profile and enable DNS Sinkhole
  • B. Create an antivirus profile and enable DNS Sinkhole
  • C. Create a URL filtering profile and block the DNS Sinkhole category
  • D. Create a security policy and enable DNS Sinkhole
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by rodobrian at May 12, 2020, 12:32 a.m.

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Oteslar
5 months, 2 weeks ago
A is correct
upvoted 1 times
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kewokil120
11 months, 1 week ago
Selected Answer: A
A is correct
upvoted 3 times
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javim
1 year, 1 month ago
Yes, the correct answer is A. DNS Sinkhole is not a Category of URL Filtering.
upvoted 2 times
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Jheax
1 year, 2 months ago
DNS sinkhole can only be configured on the antispyware security profile. Answer is A.
upvoted 3 times
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rodobrian
2 years, 11 months ago
Because they mention 'known C2 server' I think that URL filtering & DNS sinkhole is also a legitimate answer here. Known URLs that are associated with C2 are blocked via Pan-DB
upvoted 3 times
PaloGuy
2 years, 11 months ago
Answer C is saying block DNS Sinkhole which is incorrect The answer is A
upvoted 11 times
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C (25%)
B (20%)
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