An IT associate is working with a video streaming provider. What is a common approach to reduce bandwidth cost while supporting the same or an increasing number of video streams and customers?
A. Stop serving the video streams when a certain price limit is reached.
B. Reduce the bitrate to reduce the size of the video streams.
C. Serve the video streams only to a limited number of users at a time.
D. Use a content delivery network to distribute the streams.
An IT team needs to synchronize large amounts of data between two nodes on the company's local network. This data changes daily and it is not feasible to copy the entire directory tree each time. Which is the best option to securely copy files in the most timely and efficient manner?
A. rsync
B. scp
C. fsync
D. netcp
What is an appropriate cost consideration when implementing serverless functions in the cloud?
A. vCPU resources and disk cache
B. Elapsed lime of function execution and memory used
C. Virtual machine configuration and memory allocation
D. Runtime environment and container configuration
Which utility is used to create public and private key pairs for SSH authentication?
A. adduser
B. ssh-keyqen
C. keyqen
D. ssh
An IT associate is creating a business case to adopt a DevOps approach in an organization. Which of the following is a benefit of DevOps to include in the business case?
A. The DevOps tool framework reduces the mean time to recovery and number of outaqes, which results in increased sales.
B. Developers take on the work of the operations team. The operations team, therefore, needs fewer people, reducing the number of people the organization needs to pay.
C. The frequency and stability of software deployments will be increased, which can lead to faster time to market.
D. The new DevOps team takes over the work the development team does not have time to complete. The developers then have time to create new features.
What does IaaS stand for?
A. IT as a Service
B. Integration as a Service
C. Infrastructure as a Service
D. Information as a Service
When using vi or vim to edit a file, how do you exit without saving?
A. :q!
B. ZZ
C. :wq!
D. :exit
Which of the following commands is used to detach a mounted filesystem or storage device?
A. umount
B. mount
C. mkfs
D. fsck
What software application architecture allows teams to iterate quickly and to develop software applications to scale rapidly?
A. Serverless architecture
B. Container architecture
C. SOA architecture
D. Micro-service architecture
A company's IT associate lists the contents of a directory and sees this line:
-rwsr-x--x 2 bob sales 2047 Oct 10 09:44 sales-report
What happens when Alice from the accounting team tries to execute this file?
A. The script executes using Bob's account.
B. The script executes, but Alice cannot see the results.
C. The script executes and Bob is notified.
D. The script fails to execute; Alice is not on the sales team.
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