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CDL β€” all questions

289 practice questions with answers and explanations.

Topic 1 Β· Question 1

You are migrating workloads to the cloud. The goal of the migration is to serve customers worldwide as quickly as possible According to local regulations, certain data is required to be stored in a specific geographic area, and it can be served worldwide. You need to design the architecture and deployment for your workloads. What should you do?

  • ASelect a public cloud provider that is only active in the required geographic area
  • BSelect a private cloud provider that globally replicates data storage for fast data access
  • CSelect a public cloud provider that guarantees data location in the required geographic area (correct answer)
  • DSelect a private cloud provider that is only active in the required geographic area
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Select a public cloud provider that guarantees data location in the required geographic area.

Topic 1 Β· Question 2

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?

  • AUse a committed use discount to reserve a very powerful virtual machine
  • BPurchase one very powerful physical computer
  • CStart a very powerful virtual machine without using a committed use discount (correct answer)
  • DPurchase multiple physical computers and scale workload across them
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Start a very powerful virtual machine without using a committed use discount This option delivers the requirement at the lowest cost.

Topic 1 Β· Question 3

Your organization needs to plan its cloud infrastructure expenditures. Which should your organization do?

  • AReview cloud resource costs frequently, because costs change often based on use (correct answer)
  • BReview cloud resource costs annually as part of planning your organization's overall budget
  • CIf your organization uses only cloud resources, infrastructure costs are no longer part of your overall budget
  • DInvolve fewer people in cloud resource planning than your organization did for on-premises resource planning
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Review cloud resource costs frequently, because costs change often based on use.

Topic 1 Β· Question 4

The operating systems of some of your organization's virtual machines may have a security vulnerability. How can your organization most effectively identify all virtual machines that do not have the latest security update?

  • AView the Security Command Center to identify virtual machines running vulnerable disk images (correct answer)
  • BView the Compliance Reports Manager to identify and download a recent PCI audit
  • CView the Security Command Center to identify virtual machines started more than 2 weeks ago
  • DView the Compliance Reports Manager to identify and download a recent SOC 1 audit
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: View the Security Command Center to identify virtual machines running vulnerable disk images

Explanation

Security Command Center centralizes security findings, threats, and compliance posture.

Topic 1 Β· Question 5

You are currently managing workloads running on Windows Server for which your company owns the licenses. Your workloads are only needed during working hours, which allows you to shut down the instances during the weekend. Your Windows Server licenses are up for renewal in a month, and you want to optimize your license cost. What should you do?

  • ARenew your licenses for an additional period of 3 years. Renew your licenses for an additional period of 3 years. Negotiate a cost reduction with your current hosting provider wherein infrastructure cost is reduced when workloads are not in use
  • BRenew your licenses for an additional period of 2 years. Negotiate a cost reduction by committing to an automatic renewal of the licenses at the end of the 2 year period
  • CMigrate the workloads to Compute Engine with a bring-your-own-license (BYOL) model
  • DMigrate the workloads to Compute Engine with a pay-as-you-go (PAYG) model (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Migrate the workloads to Compute Engine with a pay-as-you-go (PAYG) model

Explanation

Compute Engine provides configurable virtual machines when you need full control of the OS.

Topic 1 Β· Question 6

Your organization runs a distributed application in the Compute Engine virtual machines. Your organization needs redundancy, but it also needs extremely fast communication (less than 10 milliseconds) between the parts of the application in different virtual machines. Where should your organization locate this virtual machines?

  • AIn a single zone within a single region
  • BIn different zones within a single region (correct answer)
  • CIn multiple regions, using one zone per region
  • DIn multiple regions, using multiple zones per region
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: In different zones within a single region This option meets the real-time / low-latency performance requirement.

Topic 1 Β· Question 7 Β· Select all that apply

An organization decides to migrate their on-premises environment to the cloud. They need to determine which resource components still need to be assigned ownership. Which two functions does a public cloud provider own? (Choose two.)

  • AHardware maintenance (correct answer)
  • BInfrastructure architecture
  • CInfrastructure deployment automation
  • DHardware capacity management (correct answer)
  • EFixing application security issues
Reveal answer & explanation
Correct answer: A, D

The correct answer is A, D. Option A: Hardware maintenance Option D: Hardware capacity management.

Topic 1 Β· Question 8

You are a program manager within a Software as a Service (SaaS) company that offers rendering software for animation studios. Your team needs the ability to allow scenes to be scheduled at will and to be interrupted at any time to restart later. Any individual scene rendering takes less than 12 hours to complete, and there is no service-level agreement (SLA) for the completion time for all scenes. Results will be stored in a global Cloud Storage bucket. The compute resources are not bound to any single geographical location. This software needs to run on Google Cloud in a cost-optimized way. What should you do?

  • ADeploy the application on Compute Engine using preemptible instances (correct answer)
  • BDevelop the application so it can run in an unmanaged instance group
  • CCreate a reservation for the minimum number of Compute Engine instances you will use
  • DStart more instances with fewer virtual centralized processing units (vCPUs) instead of fewer instances with more vCPUs
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Deploy the application on Compute Engine using preemptible instances

Explanation

Preemptible/Spot VMs use spare capacity at a large discount for fault-tolerant, interruptible work. Compute Engine provides configurable virtual machines when you need full control of the OS.

Topic 1 Β· Question 9

Your manager wants to restrict communication of all virtual machines with internet access; with resources in another network; or with a resource outside Compute Engine. It is expected that different teams will create new folders and projects in the near future. How would you restrict all virtual machines from having an external IP address?

  • ADefine an organization policy at the root organization node to restrict virtual machine instances from having an external IP address (correct answer)
  • BDefine an organization policy on all existing folders to define a constraint to restrict virtual machine instances from having an external IP address
  • CDefine an organization policy on all existing projects to restrict virtual machine instances from having an external IP address
  • DCommunicate with the different teams and agree that each time a virtual machine is created, it must be configured without an external IP address
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Define an organization policy at the root organization node to restrict virtual machine instances from having an external IP address

Explanation

Organization Policy sets guardrails that constrain how resources can be configured across the org.

Topic 1 Β· Question 10

Your multinational organization has servers running mission-critical workloads on its premises around the world. You want to be able to manage these workloads consistently and centrally, and you want to stop managing infrastructure. What should your organization do?

  • AMigrate the workloads to a public cloud (correct answer)
  • BMigrate the workloads to a central office building
  • CMigrate the workloads to multiple local co-location facilities
  • DMigrate the workloads to multiple local private clouds
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Migrate the workloads to a public cloud.

Topic 1 Β· Question 11

Your organization stores highly sensitive data on-premises that cannot be sent over the public internet. The data must be processed both on-premises and in the cloud. What should your organization do?

  • AConfigure Identity-Aware Proxy (IAP) in your Google Cloud VPC network
  • BCreate a Cloud VPN tunnel between Google Cloud and your data center
  • COrder a Partner Interconnect connection with your network provider (correct answer)
  • DEnable Private Google Access in your Google Cloud VPC network
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Order a Partner Interconnect connection with your network provider

Explanation

Partner Interconnect provides private connectivity to Google Cloud through a service provider.

Topic 1 Β· Question 12

Your company's development team is building an application that will be deployed on Cloud Run. You are designing a CI/CD pipeline so that any new version of the application can be deployed in the fewest number of steps possible using the CI/CD pipeline you are designing. You need to select a storage location for the images of the application after the CI part of your pipeline has built them. What should you do?

  • ACreate a Compute Engine image containing the application
  • BStore the images in Container Registry (correct answer)
  • CStore the images in Cloud Storage
  • DCreate a Compute Engine disk containing the application
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Store the images in Container Registry.

Topic 1 Β· Question 13

Each of the three cloud service models - infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) - offers benefits between flexibility and levels of management by the cloud provider and the customer. Why would SaaS be the right choice of service model?

  • AYou want a balance between flexibility for the customer and the level of management by the cloud provider
  • BYou want to minimize the level of management by the customer (correct answer)
  • CYou want to maximize flexibility for the customer.
  • DYou want to be able to shift your emphasis between flexibility and management by the cloud provider as business needs change
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: You want to minimize the level of management by the customer.

Topic 1 Β· Question 14

As your organization increases its release velocity, the VM-based application upgrades take a long time to perform rolling updates due to OS boot times. You need to make the application deployments faster. What should your organization do?

  • AMigrate your VMs to the cloud, and add more resources to them
  • BConvert your applications into containers (correct answer)
  • CIncrease the resources of your VMs
  • DAutomate your upgrade rollouts
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Convert your applications into containers.

Topic 1 Β· Question 15

Your organization uses Active Directory to authenticate users. Users' Google account access must be removed when their Active Directory account is terminated. How should your organization meet this requirement?

  • AConfigure two-factor authentication in the Google domain
  • BRemove the Google account from all IAM policies
  • CConfigure BeyondCorp and Identity-Aware Proxy in the Google domain
  • DConfigure single sign-on in the Google domain (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Configure single sign-on in the Google domain.

Topic 1 Β· Question 16

Your company has recently acquired three growing startups in three different countries. You want to reduce overhead in infrastructure management and keep your costs low without sacrificing security and quality of service to your customers. How should you meet these requirements?

  • AHost all your subsidiaries' services on-premises together with your existing services.
  • BHost all your subsidiaries' services together with your existing services on the public cloud. (correct answer)
  • CBuild a homogenous infrastructure at each subsidiary, and invest in training their engineers.
  • DBuild a homogenous infrastructure at each subsidiary, and invest in hiring more engineers.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Host all your subsidiaries' services together with your existing services on the public cloud.

Topic 1 Β· Question 17

What is the difference between Standard and Coldline storage?

  • AColdline storage is for data for which a slow transfer rate is acceptable.
  • BStandard and Coldline storage have different durability guarantees.
  • CStandard and Coldline storage use different APIs.
  • DColdline storage is for infrequently accessed data. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Coldline storage is for infrequently accessed data.

Topic 1 Β· Question 18

What would provide near-unlimited availability of computing resources without requiring your organization to procure and provision new equipment?

  • APublic cloud (correct answer)
  • BContainers
  • CPrivate cloud
  • DMicroservices
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Public cloud.

Topic 1 Β· Question 19

You are a program manager for a team of developers who are building an event-driven application to allow users to follow one another's activities in the app. Each time a user adds himself as a follower of another user, a write occurs in the real-time database. The developers will develop a lightweight piece of code that can respond to database writes and generate a notification to let the appropriate users know that they have gained new followers. The code should integrate with other cloud services such as Pub/Sub, Firebase, and Cloud APIs to streamline the orchestration process. The application requires a platform that automatically manages underlying infrastructure and scales to zero when there is no activity. Which primary compute resource should your developers select, given these requirements?

  • AGoogle Kubernetes Engine
  • BCloud Functions (correct answer)
  • CApp Engine flexible environment
  • DCompute Engine
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Cloud Functions

Explanation

Cloud Functions runs event-driven code without managing servers and scales automatically. This option meets the real-time / low-latency performance requirement.

Topic 1 Β· Question 20

Your organization is developing an application that will capture a large amount of data from millions of different sensor devices spread all around the world. Your organization needs a database that is suitable for worldwide, high-speed data storage of a large amount of unstructured data. Which Google Cloud product should your organization choose?

  • AFirestore
  • BCloud Data Fusion
  • CCloud SQL
  • DCloud Bigtable (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Cloud Bigtable

Explanation

Cloud Bigtable is a managed, low-latency NoSQL wide-column store for very high-throughput workloads.

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