[2024-Feb-New]Braindump2go Professional-Cloud-Developer PDF Dumps(102-268)

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QUESTION 135
You are developing an application that will allow clients to download a file from your website for a specific period of
time. How should you design the application to complete this task while following Google-recommended best practices?
A. Configure the application to send the file to the client as an email attachment.
B. Generate and assign a Cloud Storage-signed URL for the file. Make the URL available for the
client to download.
C. Create a temporary Cloud Storage bucket with time expiration specified, and give download
permissions to the bucket. Copy the file, and send it to the client.
D. Generate the HTTP cookies with time expiration specified. If the time is valid, copy the file from
the Cloud Storage bucket, and make the file available for the client to download.
Answer: B
Explanation:
https://cloud.google.com/storage/docs/access-control/signed-urls
A signed URL is a URL that provides limited permission and time to make a request. Signed URLs contain
authentication information in their query string, allowing users without credentials to perform specific actions on a
resource. When you generate a signed URL, you specify a user or service account which must have sufficient
permission to make the request that the signed URL will make. After you generate a signed URL, anyone who
possesses it can use the signed URL to perform specified actions, such as reading an object, within a specified period
of time.
QUESTION 136
Your development team has been asked to refactor an existing monolithic application into a set of composable
microservices. Which design aspects should you implement for the new application? (Choose two.)
A. Develop the microservice code in the same programming language used by the microservice
caller.
B. Create an API contract agreement between the microservice implementation and microservice
caller.
C. Require asynchronous communications between all microservice implementations and
microservice callers.
D. Ensure that sufficient instances of the microservice are running to accommodate the performance
requirements.
E. Implement a versioning scheme to permit future changes that could be incompatible with the
current interface.
Answer: BE
Explanation:
https://cloud.google.com/architecture/migrating-a-monolithic-app-to-microservices-gke#api_contracts
Each microservice should be invoked only from a set of interfaces. Each interface should in turn be clearly defined by a
contract that can be implemented using an API definition language like the OpenAPI Initiative specification or RAML.
Having well-defined API contracts and interfaces allows you to develop tests as a main component of your solution (for
example, by applying test-driven development) against these API interfaces.
https://cloud.google.com/architecture/migrating-a-monolithic-app-to-microservices-gke#versioning
To give you flexibility in managing updates that might break existing clients, you should implement a versioning scheme
for your microservices. Versioning lets you deploy updated versions of a microservice without affecting the clients that
are using an existing version.
QUESTION 137
You deployed a new application to Google Kubernetes Engine and are experiencing some performance degradation.
Your logs are being written to Cloud Logging, and you are using a Prometheus sidecar model for capturing metrics.
You need to correlate the metrics and data from the logs to troubleshoot the performance issue and send real-time
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