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CheckPoint 156-215.81 Exam - Topic 2 Question 40 Discussion

Actual exam question for CheckPoint's 156-215.81 exam
Question #: 40
Topic #: 2
[All 156-215.81 Questions]

Which encryption algorithm is the least secured?

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Suggested Answer: C

This answer is correct because DES (Data Encryption Standard) is the least secured encryption algorithm among the options given.DES uses a 56-bit key, which is too short and can be easily cracked by brute force attacks1.DES also suffers from other weaknesses, such as weak keys, complementation property, and linear cryptanalysis2.

The other answers are not correct because they are more secured encryption algorithms than DES.3DES (Triple DES) is an improvement over DES that applies DES three times with different keys, resulting in a 168-bit key3. AES-128 and AES-256 are variants of AES (Advanced Encryption Standard) that use 128-bit and 256-bit keys respectively. AES is considered to be the most secure symmetric encryption algorithm and is widely used for data protection.

What is DES encryption, and why was it replaced?

Data Encryption Standard - Wikipedia

What is 3DES encryption?

[What is AES encryption and how does it work?]


by Beckie at May 08, 2024, 04:16 AM

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Audra
3 months ago
I’m not sure, I’ve heard mixed reviews on 3DES.
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Eun
4 months ago
Wait, are we really saying DES is the least secure?
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Gladis
4 months ago
AES-128 is still strong enough for most uses.
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Kelvin
4 months ago
I thought 3DES was less secure?
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Irma
4 months ago
Definitely DES, it's pretty outdated.
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Stefania
5 months ago
AES-256 is definitely strong, but I think DES is the one that has been cracked more easily in the past.
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Charolette
5 months ago
I feel like I saw a practice question where DES was mentioned as the weakest, but I might be mixing it up with 3DES.
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Reuben
5 months ago
I remember studying that AES-128 is generally more secure than DES, but I can't recall if 3DES is better or worse.
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Ronnie
5 months ago
I think DES is considered outdated and less secure, but I'm not entirely sure if it's the least secure compared to 3DES.
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Royce
5 months ago
I'm confident DES is the least secure here. It's an outdated algorithm with a short key length, making it much more vulnerable to attacks compared to the other options.
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Glenna
5 months ago
I remember learning that DES has some known vulnerabilities, so I think that's probably the least secure option on this list. I'll mark that one.
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Thurman
5 months ago
AES-128 is a solid, widely-used algorithm, so I doubt that's the least secure. I'm leaning towards DES or 3DES as the most likely answers.
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Reena
5 months ago
Hmm, I'm a bit unsure about this one. I know 3DES is an older algorithm, but I'm not sure if it's the least secure. I'll have to think this through carefully.
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Denae
5 months ago
I'm pretty sure DES is the least secure option here, since it's an older algorithm with a relatively short key length.
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Veta
5 months ago
The 5 Why Analysis is a great tool to dig deeper into the root causes once you have the high-level issues mapped out in the Fishbone Diagram. I'm leaning towards B for this one.
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Claudio
5 months ago
Hmm, I'm not entirely sure about this one. I'll have to think it through carefully before answering.
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Arthur
6 months ago
I'm not entirely sure though; could it be WPA2 instead? I remember something about encryption protocols being important for security.
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Stevie
6 months ago
I like the idea of option C - pinging the hosts on the static routes. That way, we can actually verify that the traffic is flowing as expected after the change. Seems like the most practical approach.
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Leota
2 years ago
DES it is, then. It's outdated and insecure.
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Raul
2 years ago
3DES is more secure than DES. I'd pick DES too.
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Kerrie
2 years ago
I'm stuck between DES and 3DES. What do you think?
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Kasandra
2 years ago
I agree with User2, DES is known to be weak.
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Lai
2 years ago
Yeah, definitely. But I think I'd go with DES.
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Jerry
2 years ago
This question feels a bit technical, doesn't it?
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