Google Cloud Platform Fundamentals: Core Infrastructure – Coursera Quiz Answers

 

 

 

1. Does a cloud computing service let you scale your resource use up and down?

• Yes
• No

 

2. To get resources from a cloud computing provider, is working with a person at the provider required?

• Yes
• No

 

GCP Regions and Zones

1. Why might a GCP customer use resources in several zones within a region?

• For improved fault tolerance
• For better performance

 

2. Why might a GCP customer use resources in several regions around the world?

• To bring their applications closer to users around the world, and for improved fault tolerance
• To improve security

 

1. Choose fundamental characteristics of cloud computing. Mark all that are correct (4 correct responses).

• Resources are available from anywhere over the network
• Customers can scale their resource use up and down
• Customers are required to commit to multi-year contracts
• Providers always dedicate physical resources to each customer
• Computing resources available on-demand and self-service
• All resources are open-source-based
• Customers pay only for what they use or reserve

 

 

2.Choose a fundamental characteristic of devices in a virtualized data center.

• They are available from anywhere on the Internet.
• They are manageable separately from the underlying hardware.
• They are more secure.
• They use less resources than devices in a physical data center.

 

 

3. What type of cloud computing service lets you bind your application code to libraries that give access to the infrastructure your application needs?

• Platform as a Service
• Infrastructure as a Service
• Software as a Service
• Hybrid cloud
• Virtualized data centers

 

 

4. What type of cloud computing service provides raw compute, storage, and network, organized in ways that are familiar from physical data centers?

• Database as a Service
• Platform as a Service
• Infrastructure as a Service
• Software as a Service

 

 

5. Which statement is true about the zones within a region?

• Customers must choose exactly one zone in each region in which to run their resources.
• The zones within a region have fast network connectivity among them.
• The zones within a region are never closer to each other than 160 km.
• Each zone corresponds to a single physical data center.

 

6. What kind of customer benefits most from billing by the second for cloud resources such as virtual machines?

• Customers who create and run many virtual machines
• Customers who create many virtual machines and leave them running for months
• Customers who create too few virtual machines to get discounts
• Customers who create virtual machines running commercially licensed operating systems

 

1. Choose the correct completion: Services and APIs are enabled on a per-__________ basis.

• Organization
• Folder
• Billing account
• Project

 

 

2. True or false: Google manages every aspect of Google Cloud Platform customers’ security.

• True
• False

 

 

3. Your company has two GCP projects, and you want them to share policies. What is the less error-prone way to set this up?

• Duplicate all the policies on one project onto the other.
• Place both projects into a folder, and define the policies on the folder.

 

1. When would you choose to have an organization node? (Choose all that are correct. Choose 2 responses.)

• When you want to create folders.
• When you want to organize resources into projects.
• When you want to apply organization-wide policies centrally.
• There is no choice; organization nodes are mandatory.

 

 

2. Order these IAM role types from broadest to finest-grained.

• Primitive roles, predefined roles, custom roles
• Custom roles, predefined roles, primitive roles
• Predefined roles, custom roles, primitive roles

 

 

3. Can IAM policies that are implemented higher in the resource hierarchy take away access that is granted by lower-level policies?

• Yes.
• No.

1. True or False: In Google Cloud IAM: if a policy applied at the project level gives you Owner permissions, your access to an individual resource in that project might be restricted to View permission if someone applies a more restrictive policy directly to that resource.

• True
• False

 

2. True or False: All Google Cloud Platform resources are associated with a project.

• True
• False

 

3. Service accounts are used to provide which of the following? (Choose all that are correct. Choose 3 responses.)

• A way to restrict the actions a resource (such as a VM) can perform
• A way to allow users to act with service account permissions
• A set of predefined permissions
• Authentication between Google Cloud Platform services

 

4. How do GCP customers and Google Cloud Platform divide responsibility for security?

• Google takes care of the higher parts of the stack, and customers are responsible for the lower parts.
• All aspects of security are the customer’s responsibility.
• Google takes care of the lower parts of the stack, and customers are responsible for the higher parts.
• All aspects of security are Google’s responsibility.

 

 

5. Which of these values is globally unique, permanent, and unchangeable, but chosen by the customer?

• The project name
• The project number
• The project ID
• The project’s billing credit-card number

 

6. Consider a single hierarchy of GCP resources. Which of these situations is possible? (Choose all that are correct. Choose 3 responses.)

• There are two or more organization nodes
• There is no organization node, but there is at least one folder.
• There is an organization node, and there is at least one folder.
• There is an organization node, and there are no folders.
• There is no organization node, and there are no folders.

 

7. What is the difference between IAM primitive roles and IAM predefined roles?

• Primitive roles affect all resources in a GCP project. Predefined roles apply to a particular service in a project.
• Primitive roles are changeable once assigned. Predefined roles can never be changed.
• Primitive roles only allow viewing, creating, and deleting resources. Predefined roles allow any modification.
• Primitive roles only apply to the owner of the GCP project. Predefined roles can be associated with any user.
• Primitive roles can only be granted to single users. Predefined roles can be associated with a group.

 

 

8. Which statement is true about billing for solutions deployed using Cloud Marketplace (formerly known as Cloud Launcher)?

• You pay only for the underlying GCP resources you use, with the possible addition of extra fees for commercially licensed software.
• You pay only for the underlying GCP resources you use; Google pays the license fees for commercially licensed software.
• Cloud Marketplace solutions are always free.
• After a trial period, each Cloud Marketplace solution assesses a fixed recurring monthly fee.

 

1. True or false? In Google Cloud VPCs, subnets have regional scope.

• True
• False

 

2. True or false: 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.

• True
• False

 

1. True or false: You can create Compute Engine virtual machines from the command line.

• True
• False

 

 

2. What is the main reason customers choose Preemptible VMs?

• To reduce cost.
• To improve performance.

 

 

1. True or False: Google Cloud Load Balancing allows you to balance HTTP-based traffic across multiple Compute Engine regions.

• True
• False

 

2. Which statement is true about Google VPC networks and subnets?

• Networks are global; subnets are zonal
• Networks are global; subnets are regional
• Networks are regional; subnets are zonal
• Networks and subnets are global

 

3. An application running in a Compute Engine virtual machine needs high-performance scratch space. Which type of storage meets this need?

• Local standard
• Standard persistent
• Local SSD
• SSD persistent

 

4. Choose an application that would be suitable for running in a Preemptible VM.

• A batch job that can be checkpointed and restarted
• An interactive website
• A batch job that cannot be checkpointed and restarted
• An online relational database

 

5. How do Compute Engine customers choose between big VMs and many VMs?

• Use big VMs for fault tolerance and elasticity; use many VMs for in-memory databases and CPU-intensive analytics
• Use big VMs for in-memory databases and CPU-intensive analytics; use many VMs for fault tolerance and elasticity

 

 

6. How do VPC routers and firewalls work?

• They are managed by Google as a built-in feature.
• Customers provision virtual machines and run their routers and firewalls in them.
• They are managed by Google in virtual machines, which customers may tune or turn off.
• They are managed by Google in virtual machines, which customers may never modify.

 

7. A GCP customer wants to load-balance traffic among the back-end VMs that form part of a multi-tier application. Which load-balancing option should this customer choose?

• The regional internal load balancer
• The global HTTP(S) load balancer
• The regional load balancer
• The global TCP proxy
• The global SSL proxy

 

8. For which of these interconnect options is a Service Level Agreement available?

• VPNs with Cloud Router
• Carrier Peering
• Dedicated Interconnect
• Direct Peering

 

1. Your Cloud Storage objects live in buckets. Which of these characteristics do you define on a per-bucket basis? Choose all that are correct (3 correct answers).

• A default storage class
• A default file type for the objects in the bucket
• A globally-unique name
• A geographic location
• An encryption-at-rest setting (on or off)

 

 

2. True or false: Cloud Storage is well suited to providing the root file system of a Linux virtual machine.

• True
• False

 

3. Why would a customer consider the Coldline storage class?

• To improve security.
• To save money on storing frequently accessed data.
• To save money on storing infrequently accessed data.
• To use the Coldline Storage API.

 

 

 

Cloud Bigtable

 

1. Which database service can scale to higher database sizes?

• Cloud SQL.
• Cloud Spanner.

 

 

2. Which database service presents a MySQL or PostgreSQL interface to clients?

• Cloud SQL.
• Cloud Spanner.

 

3. Which database service offers transactional consistency at global scale?

• Cloud SQL.
• Cloud Spanner.

 

1. How are Cloud Datastore and Cloud Bigtable alike? Choose all that are correct (2 correct answers)

• They are both highly scalable.
• They both offer SQL-like queries.
• They are both NoSQL databases.
• They both have a free daily quota.

 

2. True or false: Cloud Datastore databases can span App Engine and Compute Engine applications.

• True.
• False.

1. You are developing an application that transcodes large video files. Which storage option is the best choice for your application?

• Cloud Spanner
• Cloud Datastore
• Cloud Storage
• Google Drive

 

2. You manufacture devices with sensors and need to stream huge amounts of data from these devices to a storage option in the cloud. Which Google Cloud Platform storage option is the best choice for your application?

• Cloud Datastore
• Cloud Spanner
• BigQuery
• Cloud Bigtable

 

3. Which statement is true about objects in Cloud Storage?

• They are immutable, and new versions overwrite old unless you turn on versioning.
• They can be edited in place.
• They are immutable, and versioned by default.
• They are immutable unless you turn on versioning.

 

4.You are building a small application. If possible, you’d like this application’s data storage to be at no additional charge. Which service has a free daily quota, separate from any free trials?

• Cloud SQL
• Cloud Spanner
• Bigtable
• Cloud Datastore

 

5. How do the Nearline and Coldline storage classes differ from Multi-regional and Regional? Choose all that are correct (2 responses).

• Nearline and Coldline use a differently-architected API.
• Nearline and Coldline assess additional retrieval fees.
• Nearline and Coldline have lower durability.
• Nearline and Coldline assess lower storage fees.
• Data in Nearline and Coldline is not retrievable immediately.

 

6. Your application needs a relational database, and it expects to talk to MySQL. Which storage option is the best choice for your application?

• Cloud Spanner
• Cloud Storage
• Cloud SQL
• Bigtable

 

7. Your application needs to store data with strong transactional consistency, and you want seamless scaling up. Which storage option is the best choice for your application?

• Cloud Datastore
• Cloud Storage
• Cloud SQL
• Cloud Spanner

 

8. Which GCP storage service is often the ingestion point for data being moved into the cloud, and is frequently the long-term storage location for data?

• Cloud Storage
• Cloud Datastore
• Local SSD
• Cloud Spanner

1. True or false: each container has its own instance of an operating system.

• True
• False.

 

 

 

2. Containers are loosely coupled to their environments. What does that mean? Choose all the statements that are true. (3 correct answers)

• Containers abstract away unimportant details of their environments.
• Containers don’t require any particular runtime binary.
• Deploying a containerized application consumes less resources and is less error-prone than deploying an application in virtual machines.
• Containers package your application into equally sized components.
• Containers are easy to move around.

 

1. What is a Kubernetes pod?

• A group of clusters
• A group of nodes
• A group of containers

 

 

2. What is a Kubernetes cluster?

• A group of machines where Kubernetes can schedule workloads
• A group of containers that provide high availability for applications

 

Kubernetes Engine

1. Where do the resources used to build Kubernetes Engine clusters come from?

1. True or false: App Engine is a better choice for a web application than for long-running batch processing.

• True.
• False.

 

2. True or false: App Engine just runs applications; it doesn’t offer any services to the applications it runs.

• True.
• False.

 

1. Which of these criteria would make you choose App Engine Flexible Environment, rather than Standard Environment, for your application? Choose all that are correct (2 correct responses).

• Finer-grained scaling
• Wider range of choices for application language
• Ability to ssh in
• Daily free usage quota

 

2. True or false: App Engine Flexible Environment applications let their owners control the geographic region where they run.

• True.
• False.

 

1. Which statements are true about App Engine? Choose all that are true (2 correct answers).

• Developers who write for App Engine do not need to code their applications in any particular way to use the service.
• App Engine charges you based on the resources you pre-allocate rather than based on the resources you use.
• App Engine requires you to supply or code your own application load balancing and logging services.
• It is possible for an App Engine application’s daily billing to drop to zero.
• App Engine manages the hardware and networking infrastructure required to run your code.

 

 

2.Name 3 advantages of using the App Engine Flexible Environment over App Engine Standard. Choose all that are true (3 correct answers).

• Google provides automatic in-place security patches
• You can install third-party binaries
• Your application can execute code in background threads
• Your application can write to local disk
• You can SSH in to your application

 

 

3. Name 3 advantages of using the App Engine Standard Environment over App Engine Flexible. Choose all that are true (3 correct answers).

• You can install third-party binaries
• Google provides and maintains runtime binaries.
• Scaling is finer-grained.
• Billing can drop to zero if your application is idle.
• You can choose any programming language

 

4. You want to do business analytics and billing on a customer-facing API. Which GCP service should you choose?

• Apigee Edge
• Cloud Endpoints

 

 

5. You want to support developers who are building services in GCP through API logging and monitoring. Which GCP service should you choose?

• Cloud Endpoints
• Apigee Edge

 

 

6. You want to gradually decompose a pre-existing monolithic application, not implemented in GCP, into microservices. Which GCP service should you choose?

• Apigee Edge
• Cloud Endpoints

 

Development in the cloud

 

Cloud Functions

 

 

Developing, Deploying, and Monitoring in the Cloud

 

 

Big Data and Machine Learning

 

 

Summary and Review