300+ Senior Systems Engineer Interview Questions and Answers

Windows Server 2019 is the latest version of Microsoft's server operating system, offering new features and improvements for businesses.

• Windows Server 2019 provides enhanced security features such as Windows Defender Advanced Threat Protection (ATP).

• It includes improvements in virtualization, storage, networking, and hybrid cloud integration.

• Windows Server 2019 supports Kubernetes and Linux containers, making it easier to run modern applications.

• It offers improved performance...read more

My data domain is network security, focusing on intrusion detection and prevention systems.

• Specialize in designing and implementing security measures to protect networks from cyber attacks

• Analyze network traffic patterns to identify potential threats

• Utilize tools like Snort and Suricata for intrusion detection

• Implement firewall rules to block malicious traffic

• Stay updated on latest security threats and vulnerabilities

To find a failed hard disk and data taken, check system logs, run diagnostic tools, and investigate any suspicious activity.

• Check system logs for any error messages related to the hard disk

• Run diagnostic tools such as SMART or CHKDSK to identify any issues with the hard disk

• Investigate any suspicious activity such as unauthorized access or data transfers

• If data has been taken, check backup systems or attempt to recover data using specialized software

• Consider implementing prev...read more

Keys and roles for Active Directory

• Keys: Domain controllers, Global Catalog servers, Flexible Single Master Operation roles

• Roles: Authentication, Authorization, Policy enforcement

• Examples: Domain controllers manage user accounts, Global Catalog servers provide a searchable index of all objects in the forest

Federating nodes involves connecting multiple nodes to form a single network. Syncing ensures data consistency across all nodes.

• Federation involves establishing trust between nodes and allowing them to communicate with each other.

• Syncing involves ensuring that data is consistent across all nodes in the network.

• Examples of federated systems include blockchain networks and distributed databases.

• Syncing can be achieved through various methods such as periodic updates or real-tim...read more

To configure path externally in Spring Framework, use @PropertySource and @Value annotations.

• Use @PropertySource to specify the external properties file

• Use @Value to inject the property value into the bean

• Example: @PropertySource("classpath:config.properties") @Value("${path}") private String path;

• Make sure to include the necessary dependencies in the pom.xml file

I recently built a complex system for automating network infrastructure deployment.

• Designed and implemented a custom Python framework for automating network infrastructure deployment

• Integrated the framework with Ansible for configuration management

• Developed custom modules for interacting with network devices using NETCONF and REST APIs

• Implemented a web-based UI for managing network infrastructure

• Utilized Git for version control and Jenkins for continuous integration and deplo...read more

NIC stands for Network Interface Card.

• NIC is a hardware component that connects a computer to a network.

• It allows the computer to communicate with other devices on the network.

• NICs can be wired or wireless, and can have different speeds and protocols.

• Examples of NIC manufacturers include Intel, Broadcom, and Realtek.

ATM machines have a standard structure with a few variations depending on the manufacturer.

• ATM machines typically have a screen for displaying information and a keypad for entering data

• They also have a card reader for reading bank cards and a dispenser for cash

• Some ATMs may also have additional features such as a printer for receipts or a deposit slot for checks

• The structure may vary slightly depending on the manufacturer or location, but the basic components remain the same

OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

• OOPs principles include Inheritance, Encapsulation, Polymorphism, and Abstraction.

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

• Encapsulation involves bundling data and methods that operate on the data within a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction involves hiding the complex...read more

Capabilities needed for mobile automation include knowledge of mobile platforms, programming languages, testing frameworks, and automation tools.

• Knowledge of mobile platforms such as iOS and Android

• Proficiency in programming languages like Java, Swift, or Kotlin

• Familiarity with testing frameworks like Appium or Espresso

• Experience with automation tools such as Selenium or UI Automator

WSDL and SOAP have different components that enable communication between web services.

• WSDL components include types, messages, port types, bindings, and services.

• SOAP components include envelope, header, body, and fault.

• WSDL describes the web service and SOAP defines the message format.

• WSDL is written in XML and SOAP messages are sent over HTTP.

• Examples of WSDL and SOAP can be found in popular web services like Amazon Web Services and Google Maps API.

Unity 300 Storage is a high-performance, scalable storage solution designed for enterprise environments.

• Unity 300 Storage is part of Dell EMC's Unity family of storage arrays.

• It offers features such as inline data reduction, data-at-rest encryption, and cloud tiering.

• Unity 300 Storage is ideal for organizations looking for a reliable and efficient storage solution for their data center.

• It provides unified storage for block and file workloads, simplifying management and reduci...read more

API error codes are numerical or alphanumeric codes that indicate an error occurred during API usage.

• Error codes help developers identify and troubleshoot issues with API requests and responses.

• Common error codes include 400 Bad Request, 401 Unauthorized, 404 Not Found, and 500 Internal Server Error.

• API providers may also create custom error codes specific to their API.

• Error codes may be accompanied by error messages that provide additional information about the issue.

• Develop...read more

Abstract class can have implementation while interface cannot. A class can implement multiple interfaces but can only inherit from one abstract class.

• Abstract class can have constructors while interface cannot.

• Abstract class can have non-abstract methods while interface can only have abstract methods.

• Interfaces are used for multiple inheritance while abstract classes are used for single inheritance.

• Example of abstract class: public abstract class Animal { public abstract void...read more

Secure properties in Mule are used to store sensitive information such as passwords and API keys.

• Secure properties are encrypted and can only be accessed by authorized users.

• They are commonly used to store credentials for external systems such as databases and APIs.

• Secure properties can be defined in a separate file or in the Mule configuration file.

• They can be accessed in Mule flows using the secure:: prefix.

• Examples of secure properties include database passwords, API keys,...read more

SMARTFORMS and ADOBE forms are tools used for creating and managing electronic forms.

• SMARTFORMS is a tool provided by SAP for creating and maintaining forms in SAP systems.

• ADOBE forms are created using Adobe software like Adobe Acrobat or Adobe LiveCycle Designer.

• SMARTFORMS are mainly used in SAP systems for generating forms like invoices, purchase orders, etc.

• ADOBE forms are more versatile and can be used for creating interactive and dynamic forms with rich media content.

• Bot...read more

ALV reports, Interactive Reports, and Module Pool programming are different ways to display data in SAP systems.

• ALV reports are used to display data in a tabular format with various functionalities like sorting, filtering, and subtotaling.

• Interactive Reports allow users to interact with the data displayed, such as drilling down into details or making changes directly in the report.

• Module Pool programming is used to create interactive screens for data entry and display in SAP ...read more

There are several encryption tools available now.

• AES (Advanced Encryption Standard)

• RSA (Rivest-Shamir-Adleman)

• Blowfish

• Twofish

• Triple DES (Data Encryption Standard)

• PGP (Pretty Good Privacy)

• OpenSSL

• GnuPG (GNU Privacy Guard)

AD domain is a collection of computers, users, and other objects that share a common security database.

• AD stands for Active Directory

• It is a centralized database that stores information about network resources

• It provides authentication and authorization services

• It allows administrators to manage network resources from a single location

• Example: A company's AD domain may include all the computers, users, printers, and other resources in their network

Yes, I am experienced in vulnerability management.

• I have experience in identifying, prioritizing, and mitigating vulnerabilities in systems and networks.

• I am proficient in using vulnerability scanning tools such as Nessus, Qualys, and OpenVAS.

• I have implemented patch management processes to address vulnerabilities in a timely manner.

• I have conducted vulnerability assessments and penetration testing to identify weaknesses in systems.

• I have worked on creating and implementing s...read more

Yes, I can provide a coding snippet for the solution.

• What is the problem statement?

• What programming language is required?

• What are the constraints and requirements?

• What is the expected output?

• Provide a sample input and output.

Identifying elements of an app involves analyzing its components and functionalities.

• Examine the user interface to identify buttons, menus, and input fields.

• Review the codebase to understand the different modules and classes used.

• Utilize debugging tools to inspect the app's behavior and interactions.

• Conduct user testing to gather feedback on specific elements.

• Document the app's architecture and design to identify key elements.

AD server is a server that runs Active Directory, a directory service that manages network resources and user accounts.

• AD server is used to manage network resources and user accounts

• It allows for centralized authentication and authorization

• It uses a hierarchical structure of domains, trees, and forests

• It can be used to manage access to resources such as files, printers, and applications

• Examples of AD servers include Microsoft Active Directory and OpenLDAP

ABAP is a programming language used for developing applications in SAP systems.

• ABAP stands for Advanced Business Application Programming.

• It is used for developing custom reports, interfaces, and enhancements in SAP systems.

• ABAP code runs on the SAP Application Server.

• It is an object-oriented language and supports modular programming.

• ABAP programs can be developed using the SAP GUI or Eclipse-based ABAP Development Tools.

• Examples of ABAP programs include custom reports, data m...read more

Use two pointers to iterate through the list and remove duplicates by updating next pointers

• Initialize two pointers, current and next, to iterate through the list

• Compare current and next node values, if equal, update next pointer to skip duplicate node

• Repeat until end of list is reached

String buffer and string builder are classes in Java used for manipulating strings, but with different characteristics.

• String buffer is synchronized and thread-safe, while string builder is not.

• String buffer is slower than string builder due to synchronization overhead.

• String builder is preferred for single-threaded applications, while string buffer is preferred for multi-threaded applications.

Unique data in a record can be selected by using a combination of data analysis techniques and algorithms.

• Identify key fields or attributes that can be used to uniquely identify each record

• Use data profiling to understand the distribution of values in the dataset

• Implement data cleansing techniques to remove duplicates

• Utilize data matching algorithms to identify and select unique records

• Consider using machine learning models for record deduplication

SQL Joins are used to combine data from two or more tables based on a related column.

• Joins are used to retrieve data from multiple tables in a single query

• Common types of joins are Inner Join, Left Join, Right Join, and Full Outer Join

• Indexes are used to improve the performance of database queries by allowing faster data retrieval

• Indexes can be created on one or more columns of a table

• Examples of indexes include clustered index, non-clustered index, and unique index

Collection framework in Java provides a set of interfaces and classes to store and manipulate groups of objects. HashSet is a class that implements the Set interface.

• HashSet does not allow duplicate elements

• Elements are stored in a hash table using their hash codes

• HashSet does not maintain insertion order

• Example: HashSet set = new HashSet(); set.add("apple"); set.add("banana");

Angular is a JavaScript framework for building web applications.

• Angular uses a component-based architecture to create reusable UI components.

• It uses two-way data binding to keep the UI and data in sync.

• Angular has a powerful routing system for creating single-page applications.

• It can communicate with servers using HTTP requests and observables.

• Angular also has a built-in testing framework for unit and integration testing.

Agile development is an iterative approach to software development that emphasizes flexibility and collaboration.

• Agile development involves breaking down a project into smaller, more manageable chunks called sprints.

• Each sprint typically lasts 1-4 weeks and results in a working product increment.

• Agile teams prioritize collaboration, communication, and adaptability over rigid processes and documentation.

• Agile methodologies include Scrum, Kanban, and Extreme Programming (XP).

To troubleshoot a server, start by checking for hardware issues, then move on to software problems and network connectivity.

• Check hardware components such as power supply, CPU, RAM, and storage devices for any issues or failures.

• Review system logs and error messages to identify any software-related issues or conflicts.

• Verify network connectivity by checking cables, switches, routers, and firewall settings.

• Use diagnostic tools like ping, traceroute, and netstat to troubleshoot...read more

File storage stores data in files and folders, while block storage stores data in blocks or chunks.

• File storage organizes data in a hierarchical structure of files and folders, similar to a traditional file system.

• Block storage breaks data into blocks or chunks and stores them in a raw format without any file system structure.

• File storage is commonly used for storing documents, images, videos, etc., while block storage is often used for databases, virtual machines, and other ...read more

Message queue is a communication method where messages are stored in a queue for processing. Shared memory is a memory segment shared by multiple processes.

• Message queue allows communication between processes without the need for synchronization.

• Shared memory allows processes to share data without the need for message passing.

• Message queue is slower than shared memory due to the overhead of message passing.

• Shared memory is faster than message queue as it avoids the overhead o...read more

To add or remove software, use package management tools like apt-get or yum.

• For Linux systems, use package managers like apt-get (Debian-based) or yum (Red Hat-based)

• For Windows systems, use the Control Panel or the Settings app to uninstall software

• For macOS systems, use the Launchpad or the Applications folder to uninstall software

• Consider dependencies and conflicts when adding or removing software

Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and multipath inheritance.

• Single inheritance involves a child class inheriting from a single parent class.

• Multiple inheritance involves a child class inheriting from multiple parent classes.

• Multilevel inheritance involves a child class inheriting from a parent class, which in turn inherits from another parent class.

• Hierarchical inheritance involves multiple child classes inheriting from a single ...read more

Lag time calculations refer to the time delay between an event and its impact.

• It is used in various fields such as finance, engineering, and project management.

• It helps in predicting the impact of an event and planning accordingly.

• For example, in project management, lag time calculations can help in determining the time required for a task to be completed after its predecessor task is finished.

Mysql can be connected to a website using PHP or other programming languages.

• Install Mysql on the server

• Create a database and user in Mysql

• Use PHP or other programming languages to connect to the database

• Execute queries to retrieve or update data

• Close the database connection when finished

To create a component in React, you need to define a JavaScript function or class that returns a React element.

• Create a new file with a .jsx extension

• Define a function or class that returns a React element

• Export the function or class using the 'export' keyword

• Import the component in the file where you want to use it

• Render the component using the component name as a tag

The question is asking for a logical analysis based on a given condition.

• Understand the condition provided and its implications

• Identify the key components of the logic to be used

• Consider different scenarios and possible outcomes

• Use critical thinking and problem-solving skills to analyze the logic

To find hard disk failure, check for unusual noises, slow performance, frequent crashes, and run diagnostic tools.

• Listen for clicking, grinding, or whirring sounds

• Monitor for slow file access or system boot

• Look for frequent system crashes or blue screens

• Use diagnostic software like SMART to check disk health

Executor service is a framework that manages threads and provides an easy way to execute tasks asynchronously.

• Executor service is part of the java.util.concurrent package

• It provides a way to manage threads and execute tasks asynchronously

• Types of executor service include single-threaded, fixed thread pool, cached thread pool, and scheduled thread pool

• Example: ExecutorService executor = Executors.newFixedThreadPool(5);

• Example: executor.execute(new RunnableTask());

Yes, I have applied to TCS before.

• Yes, I have applied to TCS for a Junior Systems Engineer position last year.

• I have also applied for a Systems Analyst role at TCS two years ago.

• I am familiar with the application process and the company's recruitment procedures.

Use the New-SCVMCheckpoint cmdlet in PowerShell to create a checkpoint on SCVMM.

• Use the New-SCVMCheckpoint cmdlet in PowerShell

• Specify the VM name and checkpoint name as parameters

• Example: New-SCVMCheckpoint -VM 'VMName' -Name 'CheckpointName'

Delete is used to remove rows from a table, while drop is used to remove an entire table from the database.

• DELETE is a DML command, while DROP is a DDL command.

• DELETE statement is used with a WHERE clause to specify which rows to delete, while DROP statement is used to remove the entire table structure.

• DELETE does not remove the table itself, only the rows within it, while DROP removes the table along with all its data and structure.

OOPs concepts are the principles of Object-Oriented Programming that help in designing and implementing software systems.

• Encapsulation: bundling of data and methods that operate on that data

• Inheritance: creating new classes from existing ones

• Polymorphism: ability of objects to take on multiple forms

• Abstraction: hiding implementation details and showing only functionality

• Example: A car is an object that encapsulates data like speed and methods like start() and stop()

• Example: I...read more