IBM
C2180-403 · Question #29
A customer wants to protect communication between two WebSphere DataPower Appliances against a replay attack. The second DataPower appliance needs to validate that the message received from the…
The correct answer is C. Use symmetric key encryption using an encrypt-string extension function on a timestamp string. See the full explanation below for the reasoning.
Question
A customer wants to protect communication between two WebSphere DataPower Appliances against a replay attack. The second DataPower appliance needs to validate that the message received from the first appliance has spent no more than 30 seconds in transit. How should the solution implementer satisfy this requirement?
Options
- ASet the var://service/transaction-timeout variable on the first DataPower appliance to 30 seconds.
- BConfigure mutually authenticated SSL between the two DataPower appliances with an SSL
- CUse symmetric key encryption using an encrypt-string extension function on a timestamp string
- DUse symmetric key encryption using an encrypt-string extension function on a timestamp string
How the community answered
(24 responses)- A4% (1)
- B4% (1)
- C79% (19)
- D13% (3)
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