30+ Interview Questions and Answers

The number of servers required for Zabbix architecture depends on the size of the environment and the level of monitoring required.

• Assess the size of the environment and the number of devices to be monitored

• Determine the level of monitoring required, such as real-time monitoring or historical data analysis

• Consider the need for high availability and redundancy

• Suggest a minimum of 3 servers for a basic setup: 1 for the Zabbix server, 1 for the database, and 1 for the web interf...read more

Active setup is a mechanism to ensure that software is installed correctly. Advertised shortcut is a shortcut that is created during installation.

• Active setup is a registry key that runs a command to ensure that software is installed correctly

• It is used to update or repair software installations

• Advertised shortcut is a shortcut that is created during installation and points to a specific feature or component of the software

• When the shortcut is clicked, it triggers the install...read more

GKE Architecture is a managed Kubernetes service provided by Google Cloud Platform.

• GKE Architecture consists of master nodes and worker nodes.

• Master nodes manage the Kubernetes cluster and worker nodes run the applications.

• GKE provides automated scaling, monitoring, and management of the Kubernetes cluster.

• GKE integrates with other Google Cloud services for seamless deployment and management.

Problem Management is the process of identifying, analyzing, and resolving IT issues to prevent future incidents. PTask is not a known term.

• Problem Management aims to minimize the impact of incidents on business operations.

• It involves identifying the root cause of incidents and implementing solutions to prevent their recurrence.

• PTask is not a commonly used term in ITIL or ITSM frameworks.

• However, it could refer to a specific task within a problem management process.

Develop a well Architect AWS infrastructure in Terraform

• Define the required AWS resources in Terraform configuration files

• Use modules to organize and reuse code for different components

• Leverage Terraform best practices such as state management and variable usage

• Implement security best practices like IAM roles and policies

• Utilize Terraform's plan and apply commands to create and update infrastructure

RBAC stands for Role-Based Access Control. Access certification is done by reviewing and verifying user access rights based on their assigned roles.

• RBAC is a security model that restricts system access based on the roles assigned to users.

• Access certification involves reviewing and verifying user access rights to ensure they align with their job responsibilities.

• Access certification can be done manually or through automated tools.

• Examples of RBAC include granting a doctor acc...read more

Hardware issues can be checked by running diagnostic tests, checking for physical damage, and updating drivers.

• Run diagnostic tests to identify any hardware issues

• Check for physical damage such as cracks or loose connections

• Update drivers to ensure they are functioning properly

• Use specialized hardware diagnostic tools to identify specific issues

• Check system logs for any error messages related to hardware

• Test individual components such as RAM, hard drive, and graphics card

• Cons...read more

Trusted source reconciliation compares data from a reliable source with the target source to identify discrepancies.

• Trusted source is a reliable source of data used for comparison

• Target source is the source of data being reconciled

• Discrepancies are identified and resolved to ensure data accuracy

DHCP relay is needed when a DHCP server is not on the same subnet as the client.

• DHCP relay is used to forward DHCP requests from clients on one subnet to a DHCP server on another subnet.

• This is useful in large networks where there are multiple subnets and a centralized DHCP server.

• Without DHCP relay, clients on different subnets would not be able to obtain IP addresses from the DHCP server.

• DHCP relay can be configured on routers or layer 3 switches.

• Examples of when DHCP relay...read more

I use logging, breakpoints, and step-through debugging to identify and fix issues in Java applications.

• Utilize logging statements to track the flow of the code and identify potential issues

• Set breakpoints at critical points in the code to pause execution and inspect variables

• Use step-through debugging to execute code line by line and identify the source of errors

OSPF, BGP, and EIGRP are routing protocols used in networking to determine the best path for data packets to travel.

• OSPF (Open Shortest Path First) is a link-state routing protocol that uses Dijkstra's algorithm to calculate the shortest path to a destination.

• BGP (Border Gateway Protocol) is a path vector routing protocol used to exchange routing information between different autonomous systems on the internet.

• EIGRP (Enhanced Interior Gateway Routing Protocol) is a Cisco prop...read more

Azure is a cloud computing platform by Microsoft offering various services like virtual machines, databases, AI, and more.

• Infrastructure as a Service (IaaS) - Virtual machines, storage, networking

• Platform as a Service (PaaS) - Web apps, databases, AI services

• Software as a Service (SaaS) - Office 365, Dynamics 365

• AI and Machine Learning services - Azure Cognitive Services, Azure Machine Learning

• Big Data and Analytics services - Azure Data Lake, Azure HDInsight

MSI installer is a software installation package format used by Windows. MSI tables are database tables used by the installer.

• MSI stands for Microsoft Installer and is a file format used for software installation on Windows.

• MSI tables are database tables that store information about the software being installed, such as files, registry settings, and shortcuts.

• MSI tables can be edited using tools like Orca or InstEd to customize the installation process.

• MSI installers can be d...read more

My previous organization used a combination of encryption, access control, and monitoring to ensure security.

• Encryption protocols such as SSL/TLS were used to secure data in transit

• Access control measures like role-based access control and multi-factor authentication were implemented to restrict unauthorized access

• Monitoring tools like intrusion detection systems and security information and event management systems were used to detect and respond to security incidents

• Regular...read more

DNS stands for Domain Name System, it translates domain names to IP addresses.

• DNS is a system that translates domain names to IP addresses.

• It helps users access websites by translating human-readable domain names (e.g. google.com) to machine-readable IP addresses (e.g. 172.217.3.206).

• DNS servers store a database of domain names and their corresponding IP addresses.

• DNS plays a crucial role in the functioning of the internet by facilitating communication between devices.

• Common ...read more

Different types of Selenium waits include implicit, explicit, and fluent waits.

• Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit wait: Waits for a certain condition to occur before proceeding further in the code.

• Fluent wait: Waits for a condition to be true with a specified frequency of checking.

• Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);

Packaging/repackaging concept refers to the process of designing and creating packaging for products.

• Packaging is the process of creating a protective covering for a product.

• Repackaging involves changing the existing packaging of a product to improve its marketability or to meet regulatory requirements.

• Packaging/repackaging can include design, materials selection, labeling, and testing.

• Examples include food packaging, pharmaceutical packaging, and consumer product packaging.

• P...read more

Custom actions/tables are user-defined actions and tables in a software system.

• Custom actions are created by users to perform specific tasks that are not available in the system by default.

• Custom tables are created by users to store additional data that is not available in the system by default.

• Custom actions and tables can be created using programming languages or through the system's user interface.

• Examples of custom actions/tables include custom reports, custom workflows, ...read more

APT stands for Advanced Persistent Threat. MITRE ATT&CK is a framework that categorizes and describes common attack techniques.

• APT refers to a sophisticated and long-term cyber attack targeting specific organizations or individuals.

• MITRE ATT&CK is a knowledge base that provides information on various attack techniques used by adversaries.

• APT attacks are often carried out by skilled and well-funded threat actors.

• MITRE ATT&CK helps organizations understand and defend against th...read more

OSI layer is a conceptual framework that standardizes the functions of a telecommunication or computing system. DHCP is a network protocol that enables a server to automatically assign an IP address to a computer. DNS is a system that translates domain names to IP addresses.

• OSI layer is a conceptual model that characterizes and standardizes the functions of a telecommunication or computing system.

• DHCP (Dynamic Host Configuration Protocol) is a network protocol that enables a ...read more

CICD groovy script is used for automating the Continuous Integration and Continuous Deployment process.

• CICD groovy script is written in Groovy language to automate the build, test, and deployment process.

• It can be used with tools like Jenkins, GitLab CI/CD, etc. to define pipelines for automating the software delivery process.

• Groovy scripts can be used to define stages, steps, triggers, and conditions in the CICD pipeline.

• Example: Writing a groovy script to build a Java proje...read more

Troubleshooting techniques for system slowness involve identifying potential causes and implementing solutions.

• Check for high CPU usage by running task manager or activity monitor

• Scan for malware or viruses using antivirus software

• Clear temporary files and cache to free up disk space

• Update system drivers and software to the latest versions

• Check network connectivity and speed to ensure it's not the cause of slowness

STP, VTP, DTP, VLAN are networking protocols and technologies used in managing and organizing network traffic.

• STP stands for Spanning Tree Protocol and is used to prevent loops in Ethernet networks.

• VTP stands for VLAN Trunking Protocol and is used to manage VLAN configurations across a network.

• DTP stands for Dynamic Trunking Protocol and is used to negotiate trunking between switches.

• VLAN stands for Virtual Local Area Network and is used to logically segment a network into se...read more

A domain controller is a server that manages network security, user access, and permissions within a Windows domain.

• Manages network security within a Windows domain

• Controls user access and permissions

• Stores user account information and authentication data

• Replicates data to other domain controllers for fault tolerance

• Examples: Active Directory Domain Services (AD DS) in Windows Server

Blue screen error is a system error that occurs in Windows operating system.

• Also known as Blue Screen of Death (BSOD)

• Occurs when the system encounters a critical error and cannot recover

• Usually caused by hardware or software issues

• Displays a blue screen with error message and system information

• Requires a system restart to fix the issue

MSI Packaging is the process of creating an installer package for software applications.

• MSI stands for Microsoft Installer

• It is a file format used for installation, maintenance, and removal of software on Windows operating systems

• MSI packages can be created using tools like InstallShield, WiX, and Advanced Installer

• They can include files, registry entries, shortcuts, and other components needed for the software to run

• MSI packages can be deployed using Group Policy, SCCM, or o...read more

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized management of network resources

• Authentication and authorization of users and computers

• Organizational units for organizing objects

• Group policies for controlling user settings

• DNS services for locating network resources

SLA stands for Service Level Agreement, which is a contract between a service provider and a customer that outlines the level of service expected.

• SLA defines the level of service a customer can expect from a service provider

• It outlines the metrics that will be used to measure the service provided

• SLAs are commonly used in IT and telecommunications industries

• Examples of SLA metrics include uptime, response time, and resolution time

Adminstudio is a software packaging tool used for creating, testing, and deploying software packages.

• Adminstudio helps in automating the software packaging process

• It ensures that the software is compatible with the target environment

• It also helps in identifying and resolving any potential issues with the software package

• Adminstudio supports various packaging formats such as MSI, App-V, and ThinApp

• It is widely used by IT professionals and software developers for software packa...read more

Pervasive encryption is the practice of encrypting data at every point in its lifecycle.

• Pervasive encryption ensures that data is protected at all times, whether it is at rest or in transit.

• It involves encrypting data at every point in its lifecycle, from creation to deletion.

• Examples of pervasive encryption include encrypting data on a hard drive, encrypting data in transit over a network, and encrypting data in a database.

• Pervasive encryption is becoming increasingly import...read more

IT Service Management (ITSM) processes are a set of activities that help organizations design, deliver, manage, and improve IT services.

• ITSM processes include incident management, problem management, change management, service level management, and more.

• These processes help ensure that IT services are aligned with the needs of the business and delivered efficiently.

• For example, incident management involves resolving IT issues quickly to minimize impact on users.

• Change managem...read more

Problem management involves identifying, analyzing, and resolving recurring issues to prevent future incidents.

• Identifying root causes of problems

• Implementing solutions to prevent recurrence

• Documenting and tracking problems and resolutions

• Collaborating with other teams to address systemic issues

OpenShift is a container platform by Red Hat, while Kubernetes is an open-source container orchestration tool.

• OpenShift is a commercial product by Red Hat that builds on top of Kubernetes for added features and support.

• Kubernetes is an open-source container orchestration tool developed by Google.

• Both OpenShift and Kubernetes are used for managing containerized applications in a clustered environment.

• Kubernetes helps in automating the deployment, scaling, and management of con...read more

CTC as per market varies based on industry, job role, experience and location.

• CTC stands for Cost to Company and includes all the expenses incurred by the company on an employee

• CTC varies based on industry, job role, experience and location

• For example, a software engineer in Bangalore may have a higher CTC compared to a software engineer in a smaller city

• CTC may include components like base salary, bonuses, health insurance, retirement benefits, etc.

VPC stands for Virtual Private Cloud, a virtual network dedicated to a user's AWS account.

• VPC allows users to launch AWS resources into a virtual network that they've defined.

• Users can configure their VPC with their own IP address range, subnets, and route tables.

• VPC provides advanced security features such as security groups and network access control lists (ACLs).

A roadmap is a strategic plan that outlines the goals, milestones, and timeline for achieving a specific objective.

• A roadmap helps to visualize the journey towards a goal or objective.

• It typically includes key milestones, tasks, and deadlines.

• Roadmaps are commonly used in project management, product development, and strategic planning.

• Example: A product roadmap outlines the features and enhancements that will be developed over the next year.

Steps of ISO implementation involve planning, documentation, training, implementation, audit, and certification.

• Develop an implementation plan outlining goals, resources, and timeline.

• Document processes and procedures to meet ISO standards.

• Provide training to employees on ISO requirements and procedures.

• Implement the documented processes and procedures in the organization.

• Conduct internal audits to ensure compliance with ISO standards.

• Seek certification from an accredited cer...read more