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ISC2 ISSAP Exam - Topic 2 Question 121 Discussion

Which of the following protocols uses public-key cryptography to authenticate the remote computer?
A) SSH
B) Telnet
C) SCP
D) SSL

ISC2 ISSAP Exam - Topic 2 Question 121 Discussion

Actual exam question for ISC2's ISSAP exam
Question #: 121
Topic #: 2
[All ISSAP Questions]

Which of the following protocols uses public-key cryptography to authenticate the remote computer?

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Suggested Answer: A

by Xochitl at Aug 15, 2026, 09:55 PM

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Nieves
4 days ago
I feel like Telnet is definitely not the right choice since it doesn’t use encryption at all.
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Michal
9 days ago
I remember practicing a question about SSH and public keys, so I’m leaning towards that being the right answer.
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Mirta
15 days ago
I think SSH uses public-key cryptography for authentication, but I'm not entirely sure if SSL does too.
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