Google Cloud-Digital-Leader試験問題（更新されたのは2023年）100%リアル問題解答
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Google Cloudデジタルリーダー認定試験は、Google Cloudテクノロジーを使用してデジタルトランスフォーメーションの知識とスキルを向上させたい専門家を対象とした、世界的に認められた認定試験です。この試験は、候補者のデジタルトランスフォーメーションのコア原則やベストプラクティスへの理解、およびGoogle Cloudテクノロジーを使用してデジタルトランスフォーメーションイニシアチブをリードし実装する能力を検証することを意図しています。
質問 # 63
A retail company stores their product inventory in a legacy system. Often, customers find products on the company's website and want to purchase them in-store.
However, when they arrive, they discover that the products are out of stock.
How could the company benefit from using an application programming interface (API)?
- A. By manually linking each inventory system to the website on a case-by-case basis
- B. To create personalized product recommendations for customers
- C. By programmatically connecting the inventory system to their website
- D. To optimize their on-premises legacy system stability
正解：C
解説：
By programmatically connecting the inventory system to their website The issue is the website shows an item is available at the store, but when the customer gets to the store, they find out that item is out of stock.
質問 # 64
Which of the following is / are true for Preemptible Instances.
- A. Preemptible instances can't live migrate to a regular VM instance, or be set to au-tomatically restart when there is a maintenance event.
- B. Preemptible Instances have no Service Level Agreement (Compute Engine SLA).
- C. All of the above.
- D. Google Cloud Free Tier credits for compute engine do not apply to preemptible in-stances.
正解：C
解説：
Preemptible instances function like normal instances but have the following limitations:
-> Compute Engine might stop preemptible instances at any time due to system events. The probability that Compute Engine will stop a preemptible instance for a system event is generally low, but might vary from day to day and from zone to zone depending on current conditions.
-> Compute Engine always stops preemptible instances after they run for 24 hours. Certain actions reset this 24-hour counter.
-> Preemptible instances are finite Compute Engine resources, so they might not always be available.
-> Preemptible instances can't live migrate to a regular VM instance, or be set to automatically restart when there is a maintenance event.
-> Due to the above limitations, preemptible instances are not covered by any Service Level Agreement (and, for clarity, are excluded from the Compute Engine SLA).
-> The Google Cloud Free Tier credits for Compute Engine do not apply to preemptible instances.
質問 # 65
If you increase the size of a subnet in a custom VPC network, the IP addresses of virtual machines already on that subnet might be affected. Which options are Correct.
- A. None of the above
- B. True
- C. False
- D. Not Defined by Google Cloud Platform
正解：C
解説：
You can dynamically increase the size of a subnet in a custom network by expanding the range of IP addresses allocated to it. Doing that doesn't affect already configured VMs.
質問 # 66
An organization needs a platform to create custom end-to-end artificial intelligence models.
Which Google Cloud product or service should the organization use?
- A. Compute Engine
- B. Dataproc
- C. Recommendations AI
- D. Vertex AI
正解：D
解説：
Recommendations AI enables you to build an end-to-end personalized recommendation system based on state-of-the-art deep learning ML models, without a need for expertise in ML or recommendation systems. With Vertex AI, both AutoML training and custom training are available options. Whichever option you choose for training, you can save models, deploy models, and request predictions with Vertex AI.
https://cloud.google.com/vertex-ai
質問 # 67
Firebase Hosting provides the following services-
- A. Microservices.
- B. Dynamic content
- C. Static content.
- D. All of the Above.
正解：D
解説：
Firebase Hosting- Firebase Hosting provides fast and secure hosting for your web app, static and dynamic content, and microservices.
Firebase Hosting is production-grade web content hosting for developers. With a single command, you can quickly deploy web apps and serve both static and dynamic content to a global CDN (content delivery network). You can also pair Firebase Hosting with Cloud Functions or Cloud Run to build and host microservices on Firebase.
Key capabilities of Firebase Hosting:
Serve content over a secure connection:- The modern web is secure. Zero-configuration SSL is built into Firebase Hosting, so content is always delivered securely.
Host static and dynamic content plus microservices:- Firebase Hosting supports all kinds of content for hosting, from your CSS and HTML files to your Express.js microservices or APIs.
Deliver content fast: Each file that you upload is cached on SSDs at CDN edges around the world and served as gzip or Brotli. We auto-select the best compression method for your content. No matter where your users are, the content is delivered fast.
質問 # 68
A prospect wants to be able to store and analyze dat
a. Their analysts already know SQL, but are not familiar with other technologies. Which of these databases can the analysts use without addi-tional training?
- A. Cloud SQL, Bigtable, BigQuery
- B. Cloud SQL, Firestore, Datastore
- C. Cloud SQL, BigQuery, Datastore
- D. Spanner, Cloud SQL, BigQuery
正解：D
解説：
Spanner, Cloud SQL, BigQuery
Spanner- Cloud Spanner is a fully managed, mission-critical, relational database service that offers transactional consistency at global scale, automatic, synchronous replication for high availability, and support for two SQL Google Standard SQL and PostgreSQL.
Cloud SQL- Cloud SQL is a fully-managed database service that helps you set up, maintain, manage, and administer your relational databases on Google Cloud Platform.
BigQuery- Google BigQuery is a cloud-based Architecture and provides exceptional performance as it can auto-scale up and down based on the data load and performs data analysis efficiently. On the other hand, SQL Server is based on client-server architecture and has fixed performance throughout unless the user scales it manually.
質問 # 69
A Customer has their current SAP systems using Microsoft SQL Server as the Database. They are migrating to Google Cloud and also preparing to later migrate to the latest ver-sion of SAP. The entire IT team is being directed to focus on the migration to the new ver-sion of SAP. The new version of SAP does not use Microsoft SQL Server as the Database, Any but the most critical IT management tasks are being deprioritized, How should they migrate their current database to Google Cloud?
- A. BigQuery
- B. Cloud SQL
- C. Spanner
- D. Bare Metal
正解：B
解説：
Cloud SQL supports SQL Server, Since the IT team's attention is being focused on other activities, they will have less time for existing admin tasks, It would be best to take a managed/hosted version.
質問 # 70
Your Coustomer's Organization has decided to move to the cloud. They currently run VMs on-promise but their goal on Google cloud is to run containers, primarily on Google Kuber-nete's Engine. They have a lease for their private data center for another year that they have already paid for. What could be strategy they could adopt in migrating?
- A. Left and Shift.
- B. Jump and Ramp.
- C. Rip and Replace.
- D. Improve and Move.
正解：D
解説：
Since they have already paid for data center for another year. They have the time and resources to work with, They can make the change to their workloads locally/on-promise Improve and Migrate Move to Google Cloud later on.
質問 # 71
Your organization runs many workloads in different Google Cloud projects, each linked to the same billing account. Each project's workload costs can vary from month to month, but the overall combined cost of all projects is relatively stable. Your organization needs to optimize its cost.
What should your organization do?
- A. Turn on committed use discount sharing, and create a commitment for the combined usage
- B. Purchase a commitment per project for each project's usual minimum
- C. Move all workloads from all different projects into one single consolidated project
- D. Create a billing account per project, and link each project to a different billing account
正解：D
解説：
Billing contacts
質問 # 72
An organization is training a machine learning model to make predictions.
What could improve the prediction accuracy of their model?
- A. Higher network bandwidth
- B. An increase in training data
- C. Faster CPU processors
- D. An increase in storage capacity
正解：B
質問 # 73
A large travel services company has been running all their workloads on Google Cloud in the previous year. They looked at their past usage of cloud resources and see that there is a consistent use of 10,000 virtual machines throughout the year. Based on the projections for the following year they have a strong indication that they will use at least this much or more capacity within Google Cloud. What is one way in which they can take advantage of this knowledge?
- A. They can use these numbers to negotiate a better contract with another public cloud number.
- B. They can get into a committed use contract with Google Cloud to get a significant discount on the usage of VMs.
- C. They can ask for a sustained use discount.
- D. They can cut costs by cutting down on the number of VMs used.
正解：B
解説：
Compute Engine lets you purchase committed use contracts in return for deeply discounted prices for VM usage. These discounts are referred to as committed use discounts. Committed use discounts are ideal for workloads with predictable resource needs. 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. The discount is up to 57% for most resources like machine types or GPUs. The discount is up to 70% for memory-optimized machine types.
質問 # 74
Which of the following are the current options for paid support in GCP? (Select Three An-swer)
- A. Role
- B. Premium
- C. Standard
- D. Enhanced
- E. Premier
正解：B、C、D
解説：
Because GCP provides three options for paid support which are Standard, Enhanced and Premium.
Basic Support is included with your Google Cloud subscription which cover only Case, phone, and chat support for billing issues only Reference link- https://cloud.google.com/support
質問 # 75
Your organization runs all its workloads on Compute Engine virtual machine instances. Your organization has a security requirement: the virtual machines are not allowed to access the public internet. The workloads running on those virtual machines need to access BigQuery and Cloud Storage, using their publicly accessible interfaces, without violating the security requirement.
Which Google Cloud product or feature should your organization use?
- A. Private Google Access
- B. Identity-Aware Proxy
- C. VPC internal load balancers
- D. Cloud NAT (network address translation)
正解：A
解説：
VM instances that only have internal IP addresses (no external IP addresses) can use Private Google Access. They can reach the external IP addresses of Google APIs and services. The source IP address of the packet can be the primary internal IP address of the network interface or an address in an alias IP range that is assigned to the interface. If you disable Private Google Access, the VM instances can no longer reach Google APIs and services; they can only send traffic within the VPC network.
https://cloud.google.com/vpc/docs/configure-private-google-access
質問 # 76
Your organization wants to migrate its data management solutions to Google Cloud because it needs to dynamically scale up or down and to run transactional SQL queries against historical data at scale. Which Google Cloud product or service should your organization use?
- A. BigQuery
- B. Pub/Sub
- C. Cloud Bigtable
- D. Cloud Spanner
正解：D
解説：
Reference:
Cloud Spanner is a fully-managed, mission-critical relational database service. It is designed to provide a scalable online transaction processing (OLTP) database with high availability and strong consistency at global scale
質問 # 77
Which Google Cloud product or feature makes specific recommendations based on security risks and compliance violations?
- A. Cloud Deployment Manager
- B. Google Cloud firewalls
- C. Google Cloud Armor
- D. Security Command Center
正解：D
質問 # 78
What characteristics should an organization adopt to be a DevOps organization?
- A. All of the Above
- B. Teamwork over individual work
- C. Obsession with Automation over preoccupation with manual work
- D. Product based teams over component teams.
正解：A
解説：
質問 # 79
Your organization wants an economical solution to store data such as files, graphical images, and videos and to access and share them securely.
Which Google Cloud product or service should your organization use?
- A. Cloud Storage
- B. BigQuery
- C. Cloud Spanner
- D. Cloud SQL
正解：A
解説：
- Google Storage is GCP's version of AWS Simple Storage Service (S3) and an S3 bucket would be equivalent to a Google Storage bucket across the two clouds
質問 # 80
You are a program manager in a company you need to submit a bare metal solution order for a se-cure, high performance connection with a low-latency network fabric. What network information you need to submit the order to Bare Metal Solutions.
- A. Google Cloud Project Id that you are using with your bare metal solution environ-ment.
- B. Total number of VLANs you need in your Bare Metal Solution Environment.
- C. All of the above
- D. IP Ranges for example Client IP Address range used for communication between your Google Cloud and Bare Metal Solution environments.
正解：C
解説：
What Bare Metal Solution provides
Bare Metal Solution is a managed solution that provides purpose-built HPE or Atos bare-metal servers in regional extensions that are connected to Google Cloud by a managed, high-performance connection with a low-latency network fabric.
With Bare Metal Solution, Google Cloud provides and manages the core infrastructure, the network, the physical and network security, and hardware monitoring capabilities in an environment from which you can access all of the Google Cloud services. The core infrastructure includes secure, controlled-environment facilities, and power.
The Bare Metal Solution also includes the provisioning and maintenance of custom, sole-tenancy servers with local SAN, and smart hands support.
The network, which is managed by Google Cloud, includes a low-latency Partner Interconnect connection into the customer Bare Metal Solution environment.
The available Google Cloud services include private API access, management tools, support, and billing.
質問 # 81
Your organization is developing a mobile app and wants to select a fully featured cloud-based compute platform for it.
Which Google Cloud product or feature should your organization use?
- A. Google Kubernetes Engine
- B. Firebase
- C. Cloud Functions
- D. App Engine
正解：D
質問 # 82
A Multiple projects within your organization have long-term VM usage. Based on current demand, they are able to project into the future and estimate how many VM hours they will use every year. Going in for a committed use contract seems sensible. How can you configure committed use easily across all the projects?
- A. Review the usage of resources by each project on a daily basis. Enable committed use for the following day based on that number, so that it gives maximum granularity without wastage.
- B. Take a report of each project's use in the last year. Enable committed use on a per-project basis based on the previous year's numbers.
- C. Share a Google Sheet and request each project team to send in their estimate. Enable committed use accordingly on a per-project basis.
- D. Enable committed use with discount sharing for the projects
正解：D
解説：
Enable committed use discounts are applied to the project from which you purchased it. To share the discount across multiple projects linked to your Cloud Billing account, enable committed use discount sharing from the console. When you enable committed use discount sharing, all of your current active committed use dis-counts in all the projects under the same Cloud Billing account, including those you previously purchased and new ones you purchase in the future are shared across your Cloud Billing account. Your sustained use discounts are also pooled and shared across all projects within your Cloud Billing account.
質問 # 83
Your organization needs to establish private network connectivity between its on-premises network and its workloads running in Google Cloud. You need to be able to set up the connection as soon as possible.
Which Google Cloud product or feature should you use?
- A. Direct Peering
- B. Cloud Interconnect
- C. Cloud CDN
- D. Cloud VPN
正解：B
解説：
Private Google Access for on-premises hosts provides a way for on-premises systems to connect to Google APIs and services by routing traffic through a Cloud VPN tunnel.
質問 # 84
Your organization needs to process large amounts of data from an online application that operates continuously. You do not want to be required to provision infrastructure or create server clusters. What should your organization choose?
- A. Compute Engine with BigQuery
- B. Google Kubernetes Engine with Cloud Bigtable
- C. Dataflow
- D. Dataproc
正解：C
解説：
You do not want to be required to provision infrastructure or create server clusters. Because Unified stream and batch data processing that's serverless, fast, and cost-effective.
Reference link- https://cloud.google.com/dataflow
質問 # 85
certain devices for cracks, rust, etc. Some of these issues are difficult to identify for a human and your company has seen increasing customer complaints - the customer has paid for an inspection and the field agent said there was no problem, but it later turned out there actually was. The team has come up with a proposal to engage AI to identify issues. On evaluating the existing system, it is seen that the mobile phone network connection is not good or consistent. What solution can work for them?
- A. Use the Rust programming language instead of Python to identify issues like rust.
- B. Use TensorFlow to create custom models and deploy it as TensorFlow Lite mod-els.
- C. Use Cloud TPUs which will be able to do the analysis faster on the cloud. Thus re-sponses also will be fast.
- D. Use AutoML Vision Edge models.
正解：D
解説：
AutoML Vision Edge model can be deployed to one of several types of edge devices, such as mobile phones, ARM-based devices, and the Coral Edge TPU
https://cloud.google.com/vision/automl/docs/edge-quickstart
質問 # 86
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Google Cloud Digital Leader認定試験は、Google Cloudテクノロジーを使用してデジタルトランスフォーメーションイニシアチブを主導する知識と技能を持つ個人を認定するオンライン認定試験です。この認定試験は、組織内でデジタルトランスフォーメーションを推進し、Google Cloudの力を活用して目標を達成する責任を持つ個人向けに設計されています。
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