A company needs to deploy its own code directly in the cloud without provisioning additional infrastructure. Which of the following is the best cloud service model for the company to use?

• A.PaaS
• B.SaaS
• C.laaS
• D.XaaS

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A DevOps engineer is integrating multiple systems. Each system has its own API that exchanges data based on different application-level transactions. Which of the following delivery mechanisms would best support this integration?

• A.Enterprise service bus
• B.Socket
• C.RPC
• D.Queue

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A cloud engineer is provisioning a new application that requires access to the organization's public cloud resources. Which of the following is the best way for the cloud engineer to authenticate the application?

• A.Access key
• B.API
• C.MFA token
• D.Username and Password

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A developer is testing code that will be used to deploy a web farm in a public cloud. The main code block is a function to create a load balancer and a loop to create 1,000 web servers, as shown below:

The developer runs the code against the company's cloud account and observes that the load balancer is successfully created, but only 100 web servers have been created. Which of the following should the developer do to fix this issue?

• A.Request an increase of Instance quota.
• B.Run the code multiple times until all servers are created.
• C.Check the my_web_server () function to ensure it is using the right credentials.
• D.Place the my_load_balancer () function after the loop.

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Which of the following is true of SSDs?

• A.SSDs do not have self-encrypting capabilities.
• B.SSDs have small storage capacities.
• C.SSDs can be used for high-IOP applications.
• D.SSDs are used mostly in cold storage.

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