Cloud Infrastructure Engineer

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10+ Cloud Infrastructure Engineer Interview Questions and Answers

Updated 13 Jan 2025

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Q1. What is your understanding of Service Level Agreements (SLA)?

Ans.

SLA is a formal agreement between a service provider and a customer outlining the level of service expected.

  • SLAs define the level of service, including availability, performance, and support.

  • They typically include metrics, such as uptime percentage and response time.

  • Penalties may be specified for failing to meet SLA requirements.

  • SLAs help manage expectations and ensure accountability between parties.

  • Example: An SLA may guarantee 99.9% uptime for a cloud service.

Q2. Explain the difference between application model and package model in sccm?

Ans.

Application model in SCCM is used to deploy applications based on user-centric requirements, while package model is used for traditional software deployment.

  • Application model allows for user-centric deployments and dependencies, while package model is more rigid and requires manual intervention for dependencies.

  • Application model supports user device affinity, allowing for targeted deployments to specific users or devices.

  • Package model is more suitable for legacy applications ...read more

Cloud Infrastructure Engineer Interview Questions and Answers for Freshers

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Q3. What is a brief overview of the ITIL process?

Ans.

ITIL (Information Technology Infrastructure Library) is a set of best practices for IT service management.

  • ITIL consists of five core publications: Service Strategy, Service Design, Service Transition, Service Operation, and Continual Service Improvement.

  • It focuses on aligning IT services with the needs of the business and improving overall service quality.

  • ITIL processes include Incident Management, Problem Management, Change Management, and Service Level Management.

  • ITIL helps...read more

Q4. What is Macro in c programming

Ans.

Macro in C programming is a preprocessor directive that defines a symbolic name or constant value.

  • Macros are defined using #define directive in C programming.

  • They are used to define constants, functions, or code snippets that can be reused throughout the program.

  • Example: #define PI 3.14159

  • Example: #define MAX(x, y) ((x) > (y) ? (x) : (y))

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Q5. how you handle user profile data?

Ans.

User profile data is securely stored in a centralized database with access control and encryption.

  • Store user profile data in a centralized database

  • Implement access control to restrict unauthorized access

  • Encrypt sensitive user information for added security

Q6. which tools are used to monitoring, for ticketing

Ans.

Tools commonly used for monitoring and ticketing in cloud infrastructure include Nagios, Zabbix, and ServiceNow.

  • Nagios is a popular open-source monitoring tool used for monitoring servers, network devices, and applications.

  • Zabbix is another open-source monitoring tool that provides real-time monitoring and alerting for servers, virtual machines, and network devices.

  • ServiceNow is a cloud-based IT service management platform that includes ticketing, incident management, and cha...read more

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Q7. How can we implement multi cloud architecture

Ans.

Multi cloud architecture can be implemented by using a combination of public, private, and hybrid cloud services.

  • Utilize a combination of public cloud providers like AWS, Azure, and Google Cloud

  • Implement private cloud services for sensitive data and applications

  • Use a hybrid cloud approach to leverage the benefits of both public and private clouds

  • Implement cloud management tools to orchestrate workloads across multiple cloud environments

Q8. why only 4 primary partitions are created in linux

Ans.

Only 4 primary partitions are created in Linux due to limitations of the MBR partitioning scheme.

  • MBR partitioning scheme allows for a maximum of 4 primary partitions.

  • Extended partitions can be used to create more than 4 partitions by creating logical partitions within the extended partition.

  • GPT partitioning scheme does not have the limitation of 4 primary partitions.

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Q9. Why semi colon is used

Ans.

Semi colon is used to separate independent clauses in a sentence or to separate items in a list.

  • Semi colon is used to separate two independent clauses in a sentence without using a conjunction.

  • Example: I have a meeting at 9 am; please don't be late.

  • Semi colon is also used to separate items in a list when the items themselves contain commas.

  • Example: The conference will be held in New York, NY; Los Angeles, CA; and Chicago, IL.

Q10. Explain Cloud computing and it's uses?

Ans.

Cloud computing is the delivery of computing services over the internet.

  • Cloud computing allows users to access data and applications from anywhere with an internet connection.

  • It offers scalability, flexibility, and cost-effectiveness compared to traditional on-premises infrastructure.

  • Examples of cloud computing services include Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

Q11. Explain iaac and it's main motive?

Ans.

IaC stands for Infrastructure as Code. Its main motive is to automate the process of infrastructure deployment and management.

  • IaC is a process of managing and provisioning infrastructure through code rather than manual processes.

  • It helps in automating the deployment and management of infrastructure, making it more efficient and reliable.

  • IaC tools like Terraform, Ansible, and Puppet are used to define infrastructure as code.

  • It enables version control, testing, and continuous i...read more

Q12. What is OOPS and it's pillar ?

Ans.

OOPS stands for Object-Oriented Programming System. Its pillars are Inheritance, Encapsulation, Abstraction, and Polymorphism.

  • Inheritance allows a class to inherit properties and behavior from another class.

  • Encapsulation restricts access to certain components within a class, protecting the data.

  • Abstraction hides the complex implementation details and only shows the necessary features to the outside world.

  • Polymorphism allows objects to be treated as instances of their parent c...read more

Q13. what are mailbox issues

Ans.

Mailbox issues refer to problems related to email accounts, such as login errors, missing emails, or storage limitations.

  • Login errors (e.g. incorrect password)

  • Missing emails or emails not syncing properly

  • Storage limitations causing inability to send or receive emails

Q14. Explain forest in enterprise environment

Ans.

A forest in an enterprise environment refers to a collection of Active Directory domains that share a common schema and global catalog.

  • A forest is made up of one or more domains that are interconnected in a trust relationship.

  • It allows for centralized management of users, groups, and resources across multiple domains.

  • Each domain within a forest has its own domain controllers but shares a common schema and global catalog.

  • Forests are used to establish security boundaries and ad...read more

Q15. Explain hybrid model

Ans.

Hybrid model combines on-premises infrastructure with cloud services for flexibility and scalability.

  • Combines on-premises infrastructure with cloud services

  • Allows for flexibility and scalability

  • Can help optimize costs by utilizing both on-premises and cloud resources as needed

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