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Alibaba Cloud Certified Expert - Solutions Architect (SAE-C01) Sample Questions:

1. What is the primary goal of distributed infrastructure in a high-performance architectural design?
Response:

A) Minimizing cost
B) Reducing network latenc
C) Maximizing redundancy
D) Simplifying system complexity

2. What is the purpose of a Content Delivery Network (CDN) in the context of Cloud and Global Network Design?
Response:

A) To distribute content and reduce latency globally
B) To centralize data storage
C) To improve data security
D) To establish a private network in China

3. A company stores data in OSS buckets. According to the company's security policy, static data must be encrypted at rest. Which of the following methods can meet this requirement?
An e-commerce platform, implementing a highavailability architecture, uses an Alibaba Cloud Server Load Balancer (SLB) instance to connect user terminals to its applications. Users note login states not being updated after logging in and items disappearing from shopping carts. Addressing this issue revolves around the management of user sessions and persistence.
Which solutions can resolve issues such as session inconsistency and cleared shopping cart items?
(Choose three)
Response:

A) Use custom keys to encrypt the data at the client before importing it to OSS.
B) Upload data over HTTPS and encrypt the data before transmitting it to OSS.
C) Enable session persistence for SLB instances, ensuring user requests maintain session continuity with backend processing servers. Upload an object and specify a server-side encryption method for the object.
D) Use OSS bucket policies to restrict access to static data.

4. A cloud e-commerce platform is going to hold a sales promotion during Christmas. At present, the customer has built an online shopping platform on Alibaba Cloud by using Server Load Balancer (SLB), Elastic Compute Service (ECS), Relational Database Service (RDS), and Object Storage Service (OSS).
When handling a surge of business traffic during the past holiday sales promotions, the customer's platform encountered the following problems: Because of great purchase demands for certain holiday products, the number of access requests for such products was too large, resulting in image loading failures on shopping pages.
Transaction pages of hot-selling products were loading slowly or even could not be opened. To build the cloud architecture in advance to cope with the growth of business traffic during the sales promotion, if you are an Alibaba Cloud architect, which of the following solutions do you think are the most reasonable and effective?
(two correct answers)
Response:

A) Configure existing RDS instances as single RDS instances to improve database performance.
B) Change the instance type to upgrade the configuration of SLB instances and increase the bandwidth to handle the traffic surge.
C) Use the data control module of the business system to cache the data of hot-selling products in advance on ApsaraDB for Redis, implementing high concurrency and relieving the RDS access pressure.
D) Enable Alibaba Cloud Content Delivery Network (CDN) and separate the details pages of hot-selling products from those of general products in the business system. Statically process the details pages of hot-selling products to allow servers to dynamically determine only user clicks for buying products, and cache other static data on CDN.

5. What is the primary goal of data partitioning or sharding in a distributed high-performance architecture?
Response:

A) Improving data availability and scalability
B) Increasing data security
C) Reducing data redundan
D) Simplifying data management

Solutions: