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Exam PCNSE topic 1 question 569 discussion

Actual exam question from Palo Alto Networks's PCNSE
Question #: 569
Topic #: 1
[All PCNSE Questions]

Which two key exchange algorithms consume the most resources when decrypting SSL traffic? (Choose two.)

  • A. ECDSA
  • B. ECDHE
  • C. RSA
  • D. DHE
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Suggested Answer: BD 🗳️
by lmla89 at Nov. 5, 2023, 9:48 p.m.

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Marshpillowz
11 months, 3 weeks ago
Selected Answer: BD
B and D
upvoted 2 times
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franko_72
12 months ago
The way I remember this one is DHE. Think Diffie Hellman E. Just to jog your memory. BD
upvoted 4 times
jens23
10 months, 3 weeks ago
that's not the right way to think about it, the reason DHE is more resource intensive (while more secure) is that it uses PFS, therefore you have different keys for each TLS session and they key is not reused unlike in case of RSA
upvoted 4 times
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Kaifus
1 year ago
On the 1/23/24 exam
upvoted 3 times
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Andromeda1800
1 year, 1 month ago
Selected Answer: BD
B, D are correct
upvoted 2 times
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tune_in
1 year, 2 months ago
Selected Answer: BD
Which two key exchange algorithms consume the most resources when decrypting SSL traffic
upvoted 3 times
tune_in
1 year, 2 months ago
Key exchange algorithm. Perfect forward secrecy (PFS) ephemeral algorithms such as DHE and ECDHE consume more resources than RSA. https://docs.paloaltonetworks.com/best-practices/10-2/decryption-best-practices/decryption-best-practices/plan-ssl-decryption-best-practice-deployment
upvoted 2 times
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snoop88
1 year, 2 months ago
Selected Answer: BD
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-admin/decryption/prepare-to-deploy-decryption/size-the-decryption-firewall-deployment
upvoted 3 times
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lmla89
1 year, 2 months ago
Correct as per https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-admin/decryption/prepare-to-deploy-decryption/size-the-decryption-firewall-deployment
upvoted 2 times
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