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Technology & Digital Tools Flashcards

7 cards from real GCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Technology & Digital Tools flashcards as text

  1. What is the purpose of a VPC (Virtual Private Cloud) in GCP?

    Answer: Creating isolated, private network environments for GCP resources

    A VPC provides a logically isolated section of the Google Cloud network where you can define your own IP address ranges, subnets, and routing.

  2. Which GCP service is designed for storing and querying large volumes of semi-structured time-series or IoT data?

    Answer: Bigtable

    Bigtable is a fully managed, scalable NoSQL database service designed for high-throughput workloads like time-series, IoT, and analytics data.

  3. What is the key difference between Cloud Storage Nearline and Coldline storage classes?

    Answer: Nearline is for data accessed less than once a month; Coldline for less than once a quarter

    Nearline is optimized for data accessed about once a month, while Coldline is for data accessed at most once every 90 days, with lower storage but higher retrieval costs.

  4. Which GCP feature allows you to automatically scale Compute Engine instances based on load?

    Answer: Managed Instance Groups with Autoscaling

    Managed Instance Groups (MIGs) with autoscaling automatically add or remove VM instances based on metrics like CPU utilization or request load.

  5. What is the purpose of Cloud KMS (Key Management Service) in GCP?

    Answer: Creating and managing cryptographic keys for data encryption

    Cloud KMS is a cloud-hosted key management service that lets you manage cryptographic keys for your cloud services the same way you do on-premises.

  6. Which GCP tool enables you to define, deploy, and manage APIs, including authentication and traffic management?

    Answer: Both Cloud Endpoints and API Gateway

    Both Cloud Endpoints and API Gateway are GCP tools for managing APIs; Endpoints uses Extensible Service Proxy while API Gateway is fully managed and serverless.

  7. What does IAM (Identity and Access Management) enforce in Google Cloud?

    Answer: Who (identity) can do what (role) on which resource

    Cloud IAM enforces authorization by defining which principals have which permissions on which GCP resources through a policy model.