Free Access Google.Professional-Cloud-Architect.v2022-12-12.q249 Practice Test (Page 37)

Question 176

Dress4Win would like to become familiar with deploying applications to the cloud by successfully deploying some applications quickly, as is. They have asked for your recommendation.
What should you advise?

A.Identify enterprise applications with internal dependencies and recommend these as a first move to the cloud.

B.Suggest moving their in-house databases to the cloud and continue serving requests to on-premise applications.

C.Recommend moving their message queuing servers to the cloud and continue handling requests to on- premise applications.

D.Identify self-contained applications with external dependencies as a first move to the cloud.

Question 177

JencoMart has built a version of their application on Google Cloud Platform that serves traffic to Asia. You want to measure success against their business and technical goals.
Which metrics should you track?

A.Error rates for requests from Asia

B.Latency difference between US and Asia

C.Total visits, error rates, and latency from Asia

D.Total visits and average latency for users from Asia

E.The number of character sets present in the database

Question 178

The current Dress4win system architecture has high latency to some customers because it is located in one data center.
As of a future evaluation and optimizing for performance in the cloud, Dresss4win wants to distribute its system architecture to multiple locations when Google cloud platform.
Which approach should they use?

A.Use regional managed instance groups and a global load balancer to increase performance because the regional managed instance group can grow instances in each region separately based on traffic.

B.Use a global load balancer with a set of virtual machines that forward the requests to a closer group of virtual machines managed by your operations team.

C.Use regional managed instance groups and a global load balancer to increase reliability by providing automatic failover between zones in different regions.

D.Use a global load balancer with a set of virtual machines that forward the requests to a closer group of virtual machines as part of a separate managed instance groups.

Correct Answer: D

Explanation/Reference:
Dress4Win, B
Testlet 1
Company Overview
Dress4win is a web-based company that helps their users organize and manage their personal wardrobe using a webapp and mobile application. The company also cultivates an active social network that connects their users with designers and retailers. They monetize their services through advertising, e-commerce, referrals, and a freemium app model. The application has grown from a few servers in the founder's garage to several hundred servers and appliances in a colocated data center. However, the capacity of their infrastructure is now insufficient for the application's rapid growth. Because of this growth and the company's desire to innovate faster, Dress4Win is committing to a full migration to a public cloud.
Solution Concept
For the first phase of their migration to the cloud, Dress4win is moving their development and test environments. They are also building a disaster recovery site, because their current infrastructure is at a single location. They are not sure which components of their architecture they can migrate as is and which components they need to change before migrating them.
Existing Technical Environment
The Dress4win application is served out of a single data center location. All servers run Ubuntu LTS v16.04.
Databases:
* MySQL. 1 server for user data, inventory, static data:
- MySQL 5.8
- 8 core CPUs
- 128 GB of RAM
- 2x 5 TB HDD (RAID 1)
* Redis 3 server cluster for metadata, social graph, caching. Each server is:
- Redis 3.2
- 4 core CPUs
- 32GB of RAM
Compute:
* 40 Web Application servers providing micro-services based APIs and static content.
- Tomcat - Java
- Nginx
- 4 core CPUs
- 32 GB of RAM
* 20 Apache Hadoop/Spark servers:
- Data analysis
- Real-time trending calculations
- 8 core CPUS
- 128 GB of RAM
- 4x 5 TB HDD (RAID 1)
* 3 RabbitMQ servers for messaging, social notifications, and events:
- 8 core CPUs
- 32GB of RAM
* Miscellaneous servers:
- Jenkins, monitoring, bastion hosts, security scanners
- 8 core CPUs
- 32GB of RAM
Storage appliances:
* iSCSI for VM hosts
* Fiber channel SAN - MySQL databases
- 1 PB total storage; 400 TB available
* NAS - image storage, logs, backups
- 100 TB total storage; 35 TB available
Business Requirements
* Build a reliable and reproducible environment with scaled parity of production.
* Improve security by defining and adhering to a set of security and Identity and Access Management (IAM) best practices for cloud.
* Improve business agility and speed of innovation through rapid provisioning of new resources.
* Analyze and optimize architecture for performance in the cloud.
Technical Requirements
* Easily create non-production environment in the cloud.
* Implement an automation framework for provisioning resources in cloud.
* Implement a continuous deployment process for deploying applications to the on-premises datacenter or cloud.
* Support failover of the production environment to cloud during an emergency.
* Encrypt data on the wire and at rest.
* Support multiple private connections between the production data center and cloud environment.
Executive Statement
Our investors are concerned about our ability to scale and contain costs with our current infrastructure. They are also concerned that a competitor could use a public cloud platform to offset their up-front investment and free them to focus on developing better features. Our traffic patterns are highest in the mornings and weekend evenings; during other times, 80% of our capacity is sitting idle.
Our capital expenditure is now exceeding our quarterly projections. Migrating to the cloud will likely cause an initial increase in spending, but we expect to fully transition before our next hardware refresh cycle. Our total cost of ownership (TCO) analysis over the next 5 years for a public cloud strategy achieves a cost reduction between 30% and 50% over our current model.

Question 179

For this question, refer to the TerramEarth case study
Your development team has created a structured API to retrieve vehicle data. They want to allow third parties to develop tools for dealerships that use this vehicle event data. You want to support delegated authorization against this data. What should you do?

A.Build or leverage an OAuth-compatible access control system.

B.Build SAML 2.0 SSO compatibility into your authentication system.

C.Restrict data access based on the source IP address of the partner systems.

D.Create secondary credentials for each dealer that can be given to the trusted third party.

Question 180

You are using Cloud CDN to deliver static HTTP(S) website content hosted on a Compute Engine instance
group. You want to improve the cache hit ratio.
What should you do?

A.Customize the cache keys to omit the protocol from the key.

B.Shorten the expiration time of the cached objects.

C.Make sure the HTTP(S) header "Cache-Region" points to the closest region of your users.

D.Replicate the static content in a Cloud Storage bucket. Point CloudCDN toward a load balancer on that
bucket.

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Question 176

Question 177

Question 178

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