Check_Point
156-215.81 · Question #199
Your manager requires you to setup a VPN to a new business partner site. The administrator from the partner site gives you his VPN settings and you notice that he setup AES 128 for IKE phase 1 and…
The correct answer is C. Only 128 bit keys are used for phase 1 keys which are protecting phase 2, so the longer key. See the full explanation below for the reasoning.
Question
Your manager requires you to setup a VPN to a new business partner site. The administrator from the partner site gives you his VPN settings and you notice that he setup AES 128 for IKE phase 1 and AES 256 for IKE phase 2. Why is this a problematic setup?
Options
- AThe two algorithms do not have the same key length and so don't work together. You will get the
- BAll is fine as the longest key length has been chosen for encrypting the data and a shorter key
- COnly 128 bit keys are used for phase 1 keys which are protecting phase 2, so the longer key
- DAll is fine and can be used as is.
How the community answered
(33 responses)- A15% (5)
- B6% (2)
- C76% (25)
- D3% (1)
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