Which of the following best describes serverless computing?

• A.A model where a provider manages the back-end infrastructure management tasks, such as provisioning, scaling, scheduling, and patching
• B.An abstraction layer over computer hardware that allows the hardware elements of a single computer-processors, memory, storage, and more-to be divided into multiple segments
• C.A model of software that packages up code and all its dependencies so the application runs quickly and reliably from one computing environment to another
• D.A solution comprised of sensors, software, and other technologies for the purpose of connecting and exchanging data with other devices and systems over the internet

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When working on a Linux system with firewalld enabled, how can other systems be allowed to access the HTTPS port on the system in the default firewall zone so that the access is granted immediately and persists across reboots?

• A.firewalld --add-service=https
• B.iptables --add-service=https --permanent
• C.firewall-cmd --add-service=https --permanent --reload
• D.firewallctl --add-port=https --reload

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Which of the following is considered a best practice for hardening SSHD?

• A.Using portknocking to protect ssh access for root
• B.Disabling ssh access for root
• C.Renaming root to a random name
• D.Completely disabling ssh access

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Which of the following best describes open source compliance?

• A.A process by which open source software is first initiated by a requirements analysis, followed by design and then implementation, with a final testing step
• B.A process by which software components are compiled in a development environment, pushed to staging, and then finally moved to production
• C.A process by which users of open source software evaluate each line of their code against an open source dictionary to determine which components have been plagiarized
• D.A process in which various users of open source software observe copyright notices and satisfy license obligations for their open source software components

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In which environment is the application typically accessed by customers or end users in real time?

• A.Testing
• B.Development
• C.Production
• D.Staging

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