What is the purpose of intrusion detection systems (IDS) in cybersecurity?
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Which two methods can be used to improve the security of Alibaba Cloud accounts?
(Select two)
Response:

Distributed locks, a fundamental feature in large-scale applications, are implemented in redis-based systems to ensure mutually exclusive access to shared resources. In scenarios where resources are accessed by multiple hosts, distributed locks prevent logical failures due to resource contention.
Understanding the properties of distributed locks helps in designing efficient synchronization mechanisms. Which of the following are features of distributed locks?
(Choose three)
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Which services or strategies are essential for disaster recovery in Alibaba Cloud?
(Select two)
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As its business and customer base keep growing, a company needs to transform itself digitally. The original online trading system uses a chimney-style architecture that has become incapable of dealing with the increasing number of requests.
Given this, the company executives decide to upgrade the original system with the help of Alibaba Cloud to solve the problem. They want the new system to go online as soon as possible.
As an architect, how do you design the most appropriate upgrade solution?
Response: