Which of the following is a primary function of middleware in a cloud computing environment?
- Installing applications
- Load balancing
- Managing user data
- Server hardware maintenance
A primary function of middleware in cloud computing is load balancing, which evenly distributes network traffic to optimize resource utilization.
A company has a legacy application that is tightly coupled with its current database. They want to migrate to the cloud and modernize the application for better scalability and performance. Which migration strategy should they consider?
- Rearchitecting (rebuilding)
- Refactoring (re-architecting)
- Rehosting (lift-and-shift)
- Retiring or Decommissioning
Refactoring, or re-architecting, is the most suitable strategy when migrating to the cloud while modernizing an application. It involves making application changes to optimize for the cloud environment, ensuring scalability and performance.
Which of the following best describes cloud computing?
- A way to store personal photos and videos
- A method for companies to save on IT operational costs
- A system to play online games
- Delivering computing services over the internet
Cloud computing is about delivering various computing services like storage, databases, servers, networking, software, and more over the internet. While some of the other options may be components or uses of cloud computing, the core idea is the delivery of computing services via the internet.
Google Cloud's equivalent to AWS's RDS (Relational Database Service) is ________.
- Bigtable
- CloudSQL
- Datastore
- Firestore
Google Cloud's counterpart to AWS RDS is CloudSQL, which offers managed relational databases like MySQL and PostgreSQL.
The primary role of the back end in a cloud computing environment is to:
- Handle user authentication
- Host user interfaces
- Manage server hardware
- Manage servers
The back end in cloud computing is responsible for managing servers, handling data, and executing the core functionalities of the application. It's the "invisible" part.
The ________ is a set of security standards designed to ensure that all companies that accept, process, store, or transmit credit card information maintain a secure environment.
- FERPA
- HIPAA
- PCI DSS
- SOX
PCI DSS (Payment Card Industry Data Security Standard) is a comprehensive set of security standards designed to protect credit card information and ensure that companies maintain a secure environment when handling such data.
When considering cold starts in Google Cloud Functions, which runtime generally has the fastest initialization time?
- Go
- Java
- Node.js
- Python
In Google Cloud Functions, Go generally has the fastest cold start initialization time due to its efficient runtime. This is important for minimizing latency.
The ________ is a platform provided by AWS specifically tailored for IoT devices.
- AWS EC2
- AWS IoT Core
- AWS Lambda
- AWS S3
AWS IoT Core is a managed cloud service designed to connect IoT devices to the cloud, making it suitable for IoT applications. It provides features for device communication, security, and data management.
A key advantage of SaaS is the elimination of the need for individual ________ and maintenance.
- Data Centers
- Installation
- Licensing
- Servers
SaaS eliminates the need for individual servers and maintenance. Users don't have to worry about the physical infrastructure, as it's managed by the SaaS provider.
In a scenario where there's a tight deadline to exit a data center, which migration approach might be prioritized, even if it doesn't yield immediate cloud optimization benefits?
- Rearchitect (rebuild)
- Refactor (re-architect)
- Rehost (lift and shift)
- Repurchase (buy a new one)
When facing a tight deadline to exit a data center, 'Rehost' (lift and shift) might be prioritized, even if it doesn't yield immediate cloud optimization benefits, as it's the quickest and least disruptive approach.
In terms of data analytics, what advantage does AWS Redshift provide over traditional databases?
- ACID Compliance and High Throughput
- Columnar Storage and Parallel Processing
- Document Store and Strong Consistency
- Graph Database and Horizontal Scaling
AWS Redshift is designed for data warehousing and analytics, offering columnar storage and parallel processing for improved performance.
Google Cloud Functions can be triggered by events from which of the following Google Cloud services?
- Google Cloud Bigtable
- Google Cloud Compute Engine
- Google Cloud Pub/Sub
- Google Cloud Storage
Google Cloud Functions can be triggered by events from Google Cloud Pub/Sub, making it easy to build event-driven applications.