- (Topic 2)
Which of the following statements is/are true about Cloud Spanner offered by Google Cloud Plat-form.

1. A. It can scale horizontally to support additional capacity.
2. B. It comes with Zero Downtime, No Maintenance windows, and is proven for large and small workloads.
3. C. You don't need to shard or replicate data.
4. D. All of the above.

Correct Answer: D
Cloud Spanner:
Fully managed relational database with unlimited scale, strong consistency, and up to 99.999% availability.
- Get all the benefits of relational semantics and SQL with unlimited scale
- Start at any size and scale with no limits as your needs grow
- Enjoy high availability with zero scheduled downtime and online schema changes
- Deliver high-performance transactions with strong consistency across regions and continents
- Focus on innovation, eliminating manual tasks with capabilities like automatic sharding.

- (Topic 1)
Your organization needs a large amount of extra computing power within the next two weeks.
After those two weeks, the need for the additional resources will end. Which is the most cost-effective approach?

1. A. Use a committed use discount to reserve a very powerful virtual machine
2. B. Purchase one very powerful physical computer
3. C. Start a very powerful virtual machine without using a committed use discount
4. D. Purchase multiple physical computers and scale workload across them

Correct Answer: C
When you purchase a committed use contract, you purchase Compute Engine resources—such as vCPUs, memory, GPUs, local SSDs, and sole-tenant nodes—at a discounted price in return for committing to paying for those resources for 1 year or 3 years

- (Topic 2)
A large organization is struggling to manage their cloud costs effectively. They want to increase vis-ibility into cloud costs. Which cost management approach should the organization use?

1. A. Establish a partnership between finance, technology, and business teams.
2. B. Appoint a single person to monitor cloud spending across the organization.
3. C. Review any cloud spending that exceeds the organization's error budget.
4. D. Increase monitoring of on-premises infrastructure and services.

Correct Answer: A
Because cross-team partnerships are part of the visibility cost management strategy.
https://wa.aws.amazon.com/wat.question.COST_1.en.html

- (Topic 2)
You are working in a company that provides different services to its customer. Now it also wants to offer some paid API services to its B2B customers for e.g. google provides google maps API, cloud vision API, and language translation API. You need to figure out the best solution for the service.

1. A. Java Programming Spring Boot Framework for to solve the problem of APIs man-agement.
2. B. Cloud Functions with Firestore and payment gateways integration development.
3. C. Apigee API Management
4. D. Frontend & Backend Development with NodeJs and angular etc.

Correct Answer: C
A top-level idea about Apigee API Management and its offered features can help you solve all questions related to Apigee in Cloud Digital Leader Practice Exam.
Apigee is a platform for developing and managing APIs. By fronting services with a proxy
layer, Apigee provides an abstraction or facade for your backend service APIs and provides security, rate limiting, quotas, analytics, and more.
Apigee services: The APIs that you use to create, manage, and deploy your API proxies. Apigee runtime: A set of containerized runtime services in a Kubernetes cluster that Google maintains. All API traffic passes through and is processed by these services.

- (Topic 3)
An organization is looking for a business intelligence solution that allows individual employees and end users to analyze business data and generate insights.
Which Google Cloud product or service should the organization use?

1. A. Looker
2. B. Cloud Spanner
3. C. BigQuery
4. D. Dataflow

Correct Answer: A