10+ Infrastructure Analyst Interview Questions and Answers

VPN is a secure way to connect to a private network remotely. SSL and IPSec are encryption protocols used to secure data transmission.

• VPN stands for Virtual Private Network, which allows users to securely connect to a private network over the internet.

• SSL (Secure Sockets Layer) is a protocol used to secure data transmission over the internet, commonly used for websites with 'https' in the URL.

• IPSec (Internet Protocol Security) is a suite of protocols used to secure internet c...read more

O365 provides secure transport rules and email flow using SMTP.

• Office 365 (O365) ensures secure transport rules for email flow.

• Transport rules in O365 allow administrators to control email flow and apply security measures.

• SMTP (Simple Mail Transfer Protocol) is used for sending and receiving emails securely.

• O365 offers various security features like encryption, anti-malware, and anti-spam filters to protect email communication.

LAN WAN, WIFI, SDWAN, and Azure Cloud are networking technologies used to connect devices and systems.

• LAN (Local Area Network) is a network that connects devices in a limited area, like a home or office.

• WAN (Wide Area Network) connects devices over a larger geographical area, like different offices in different cities.

• WIFI is a wireless networking technology that allows devices to connect to a LAN wirelessly.

• SDWAN (Software-Defined Wide Area Network) is a technology that allo...read more

Kernel is the core of an operating system. Load can be checked using commands like top, uptime, and vmstat.

• Kernel is responsible for managing system resources and providing services to other programs.

• Load refers to the amount of work being done by the system, measured by the number of processes waiting to be executed.

• Commands like top, uptime, and vmstat can be used to check the load on the system.

• top displays real-time information about processes and their resource usage.

• upt...read more

To call server side in client side, use AJAX (Asynchronous JavaScript and XML) to make HTTP requests from client side to server side.

• Use AJAX to send HTTP requests from client side to server side

• Server side code should handle the request and send back the response

• Update client side content based on the response from server side

Fetch hardware incidents using code

• Use a scripting language like Python or PowerShell to fetch hardware incidents

• Utilize APIs provided by the incident management system to retrieve hardware incident data

• Implement error handling to ensure the code runs smoothly

HA stands for High Availability. It refers to a system or component that is continuously operational for a desirably long length of time.

• Ensures minimal downtime by providing redundancy and failover capabilities

• Improves reliability and performance of systems

• Allows for maintenance and upgrades without disrupting services

• Examples include clustering servers, load balancing, and data replication

Static in Java is a keyword used to create variables and methods that belong to the class itself, rather than instances of the class.

• Static variables are shared among all instances of a class.

• Static methods can be called without creating an instance of the class.

• Static blocks are used to initialize static variables.

• Example: public class MyClass { static int count = 0; }

SD-WAN stands for Software-Defined Wide Area Network, a technology that simplifies the management and operation of a WAN by decoupling the networking hardware from its control mechanism.

• SD-WAN uses software to dynamically route traffic across the network based on real-time data and policies.

• It improves network performance, reduces costs, and enhances security by utilizing multiple connection types such as MPLS, broadband, and LTE.

• SD-WAN solutions often include centralized man...read more

Client script is a script that runs on the client side of a network connection.

• Client scripts are written in languages like JavaScript, VBScript, or Python.

• Types of client scripts include event-driven scripts, form validation scripts, and AJAX scripts.

• Client scripts are used to enhance user experience, validate input, and interact with server-side scripts.

DORA process is a framework for measuring and improving software delivery performance.

• DORA stands for DevOps Research and Assessment

• It focuses on key metrics like deployment frequency, lead time for changes, and mean time to recover

• Helps organizations identify areas for improvement in their software delivery process

OSI layers are a conceptual framework used to understand how different networking protocols interact in a network.

• There are 7 layers in the OSI model: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and interacts with adjacent layers to facilitate communication between devices.

• For example, the Physical layer deals with the physical connection between devices, while the Application layer handles user interfaces ...read more