300+ Senior Systems Engineer Interview Questions and Answers

FM stands for Function Module, BAPI stands for Business Application Programming Interface. BAPI is a type of FM. BAPI is used for data transfer between SAP systems, BDC is used for data transfer between SAP and non-SAP systems.

• FM stands for Function Module in SAP, which is a reusable function or subroutine that can be called by other programs.

• BAPI stands for Business Application Programming Interface, which is a type of Function Module used for data transfer between SAP syste...read more

Constructor is used to initialize an object while destructor is used to destroy an object.

• Constructor is called when an object is created and can take arguments to initialize the object's state.

• Destructor is called when an object is destroyed and is used to free up any resources allocated by the object.

• Constructor has the same name as the class while destructor has the same name as the class preceded by a tilde (~).

• Example: class Car { public: Car(string make, string model) {...read more

Polymorphism is the ability of an object to take on many forms, while inheritance is the process of creating new classes from existing ones.

• Polymorphism allows objects of different classes to be treated as if they were of the same class.

• Inheritance allows a new class to be based on an existing class, inheriting its properties and methods.

• Polymorphism is achieved through method overriding and method overloading.

• Inheritance is achieved through the use of keywords like 'extends'...read more

Program to count the number of overs in a string

• Define an over as 6 consecutive balls

• Loop through the string and count the number of overs

• Handle incomplete overs at the end of the string

Different types of hardware can be accessed on console through device drivers and APIs.

• Use device drivers to communicate with hardware components such as printers, scanners, and network cards

• Utilize APIs provided by hardware manufacturers to access specific functionalities of hardware devices

• Interact with hardware through command line tools or graphical user interfaces

Appium is the framework used for mobile automation

• Appium is an open-source tool for automating native, mobile web, and hybrid applications on iOS and Android platforms

• It uses the WebDriver protocol to drive iOS and Android apps

• Supports multiple programming languages like Java, Python, Ruby, etc.

• Can run tests on simulators/emulators as well as real devices

Yes, I have experience in taking care of the Authorization part in various projects.

• Implemented role-based access control (RBAC) to manage user permissions

• Configured and managed authentication protocols such as OAuth and SAML

• Worked on setting up access control lists (ACLs) for network security

• Experience with managing user roles and permissions in Active Directory

• Utilized single sign-on (SSO) solutions for seamless user authentication

Enable SSO for SaaS applications by integrating with identity providers and configuring authentication protocols.

• Integrate with identity providers such as Okta, Azure AD, or Google Workspace

• Configure authentication protocols like SAML, OAuth, or OpenID Connect

• Implement single sign-on functionality in the application code

• Ensure secure communication between the application and the identity provider

Supporting application for SSO enablement involves configuring authentication settings, integrating with identity providers, and testing functionality.

• Configure authentication settings within the application to enable SSO

• Integrate the application with identity providers such as Okta, Azure AD, or PingFederate

• Test the SSO functionality to ensure seamless user experience

• Provide documentation and training for users on how to use SSO with the application

Volatile and extern are keywords in C for memory management. Local and external linkages determine scope. SW and HW interrupts handle events. Different scheduling algorithms manage task priorities.

• Volatile keyword is used to indicate that a variable may be changed unexpectedly, typically by hardware. Example: volatile int x;

• Extern keyword is used to declare a variable that is defined in another file. Example: extern int y;

• Local linkage restricts the scope of a variable to the...read more

To add validation, scenario-based web API, and content negotiation, utilize frameworks like ASP.NET Core and tools like Swagger.

• Use ASP.NET Core for building web APIs with built-in validation features.

• Implement scenario-based testing using tools like Postman or Swagger to simulate different user interactions.

• Utilize content negotiation to allow clients to request data in different formats (e.g. JSON, XML) based on their preferences.

JavaScript is a versatile programming language known for its ability to run on the client side of web applications.

• JavaScript is a high-level, interpreted language that allows for dynamic, client-side scripting on web pages.

• It is versatile and can be used for a wide range of applications, from simple web development to complex server-side programming.

• JavaScript has a large and active community, with a vast array of libraries and frameworks available for developers to use.

• One ...read more

Implementing design as modern technology involves incorporating user-centered design principles, agile methodologies, and cutting-edge tools and technologies.

• Utilize user-centered design principles to ensure the end product meets the needs and expectations of users.

• Adopt agile methodologies to iterate quickly, gather feedback, and make continuous improvements.

• Leverage cutting-edge tools and technologies such as cloud computing, artificial intelligence, and Internet of Things ...read more

The latest OS on iPhones and iPads is iOS 14.

• iOS 14 was released on September 16, 2020.

• It introduced new features like App Library, Widgets, and Picture-in-Picture.

• iOS 14.5, a major update, added support for Face ID with masks and App Tracking Transparency.

• iOS 14.6 and iOS 14.7 brought bug fixes and performance improvements.

• iOS 15 is the upcoming OS version for iPhones and iPads.

The Windows machine is not connecting to the wireless network.

• Check if the wireless adapter is enabled and functioning properly.

• Verify if the correct wireless network is selected and the password is entered correctly.

• Ensure that the wireless signal is strong enough and not blocked by obstacles.

• Restart the wireless router and the Windows machine.

• Update the wireless adapter driver.

• Reset the TCP/IP stack and renew the IP address.

• Disable any third-party antivirus or firewall soft...read more

IPC is Inter-Process Communication used for communication between processes. NAND and NOR Flash are types of non-volatile memory. Semaphore and mutex are synchronization mechanisms.

• IPC allows processes to communicate with each other and share resources.

• NAND Flash is faster and cheaper than NOR Flash, but has limited write cycles. NOR Flash is slower and more expensive, but has more write cycles.

• Semaphore is used to control access to a shared resource, while mutex is used to e...read more

To configure a printer, you need to connect it to the network, install drivers, and set it up on your computer. There are different types of servers for Outlook such as Exchange Server and IMAP/POP servers.

• Connect the printer to the network using Ethernet or Wi-Fi

• Install the printer drivers on your computer

• Set up the printer on your computer by adding it as a new printer

• For Outlook, there are servers like Exchange Server for Microsoft Outlook and IMAP/POP servers for other em...read more

Static block initializes static data members. Exception tree is a hierarchy of exceptions. Lambda is a functional interface.

• Static block is used to initialize static data members before the class is loaded.

• Exception tree is a hierarchy of exceptions where each exception is a subclass of Throwable.

• Lambda is a functional interface that allows the use of functional programming concepts in Java.

• Lambda expressions are used to implement functional interfaces.

• Lambda expressions can ...read more

To register a sling servlet in AEM, you need to create a Java class that extends SlingAllMethodsServlet and annotate it with @SlingServlet. To call a workflow inside another workflow, you can use the WorkflowSession API. To call an OSGi service in another OSGi service class, you can use the @Reference annotation.

• Create a Java class that extends SlingAllMethodsServlet and annotate it with @SlingServlet to register a sling servlet in AEM

• Use the WorkflowSession API to call a wor...read more

I have experience working with both connected and disconnected applications.

• I have experience developing applications that can function both online and offline.

• I have worked on projects where data synchronization is crucial for seamless user experience.

• Examples include mobile apps that can work offline and sync data when connected to the internet.

Answering questions on interface, abstract class, hashmap, and caching implementation in Hibernate.

• Interface is a blueprint for classes to implement while abstract class can have implemented methods.

• HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values.

• Caching in Hibernate involves storing frequently accessed data in memory to improve performance.

• Hibernate provides two levels of caching: first-level cache and second-level cache.

• First-leve...read more

The general structure of IT involves various components and work knowledge.

• IT infrastructure includes hardware, software, networks, and data centers.

• Work knowledge includes understanding operating systems, programming languages, and databases.

• IT teams collaborate to design, implement, and maintain systems and networks.

• Examples of work knowledge include proficiency in Linux, Java, and SQL.

• IT professionals often specialize in areas like network administration, cybersecurity, or...read more

The OSI Model is a conceptual framework that standardizes the functions of a communication system into seven layers.

• The OSI Model stands for Open Systems Interconnection Model.

• It was developed by the International Organization for Standardization (ISO) in the 1980s.

• The model divides the communication process into seven layers, each with its own specific functions.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer interac...read more

Process is a program in execution, while thread is a subset of a process that can run concurrently with other threads.

• A process has its own memory space, while threads share memory with other threads in the same process.

• Processes are independent of each other, while threads are not.

• Processes communicate with each other through inter-process communication mechanisms, while threads communicate through shared memory.

• Struct is a user-defined data type that groups related data ite...read more

Object-oriented programming focuses on objects and their interactions, while procedure-oriented programming focuses on procedures and functions.

• Object-oriented programming uses classes and objects to encapsulate data and behavior

• Procedure-oriented programming uses functions to manipulate data

• Object-oriented programming promotes code reusability and modularity

• Procedure-oriented programming can lead to spaghetti code and is less modular

• Examples of object-oriented programming la...read more

I have a proven track record of quickly learning new technologies/modules.

• I have a strong foundation in fundamental concepts which helps me grasp new technologies quickly.

• I am proactive in seeking out resources such as online tutorials, documentation, and training courses to accelerate my learning.

• I have successfully learned and implemented new technologies/modules in previous roles, such as cloud computing platforms like AWS and Azure.

• I am adaptable and enjoy the challenge o...read more

Manage third party software patches using Intune

• Create a software update policy in Intune

• Select 'Third Party Updates' as the update source

• Choose the third party software you want to patch

• Set the schedule for patch deployment

• Monitor patch deployment status and compliance

The colour code for crimping RJ45 connection is T-568A or T-568B.

• T-568A and T-568B are the two commonly used standards for RJ45 wiring.

• T-568A uses green and orange wires for transmitting data, while T-568B uses orange and green wires.

• The order of the wires in the connector is important and must follow the correct sequence.

• A wiring diagram or guide can be helpful in ensuring the correct colour code is used.

Rest and Soap are web services used for communication between systems.

• Rest is an architectural style that uses HTTP protocol for communication.

• Soap is a protocol that uses XML for communication.

• Rest is lightweight and easy to use, while Soap is more complex.

• Rest is used for mobile and web applications, while Soap is used for enterprise applications.

• Examples of Rest services include Twitter API and Google Maps API, while examples of Soap services include Amazon Web Services an...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 managing electronic forms in SAP systems.

• Adobe forms is a tool provided by Adobe for creating and managing electronic forms that can be used in various systems.

• Both tools allow for the creation of dynamic forms that can be filled out electronically and submitted.

• SMARTFORMS and Adobe forms can be used in various industries for different pur...read more

TPM stands for Trusted Platform Module. It is a hardware-based security feature that provides secure storage for cryptographic keys.

• TPM is used to ensure the integrity of the system and protect against attacks such as malware and unauthorized access.

• To check the TPM version, go to Device Manager, expand Security Devices, and look for Trusted Platform Module. Right-click and select Properties, then go to the Details tab and select Hardware Ids.

• The TPM version will be listed in...read more

Redux is a predictable state container for JavaScript apps.

• Redux helps manage the state of an application in a predictable way

• It provides a single source of truth for the state of the application

• Redux follows the principles of immutability and pure functions

• It allows for easy debugging and time-travel debugging

• Redux can be used with any UI library or framework

• Example: A shopping cart application can use Redux to manage the state of the cart

FSMO stands for Flexible Single Master Operations. There are 5 types of FSMO roles in Active Directory.

• FSMO roles are specialized tasks that can only be performed by one domain controller at a time in a domain or forest.

• The 5 types of FSMO roles are: Schema Master, Domain Naming Master, RID Master, PDC Emulator, and Infrastructure Master.

• Each FSMO role has a specific function in the Active Directory environment, such as managing schema changes, assigning RIDs, handling passwo...read more

Yes, I am familiar with the installation process of software.

• Download the software installation file from the official website or a trusted source.

• Run the installation file and follow the on-screen instructions to complete the installation process.

• Choose the installation directory and any additional settings as required.

• Wait for the installation to finish and check for any error messages.

• Once installed, launch the software and ensure it is functioning correctly.

Key concepts in Angular development

• Component vs directive: Components are the building blocks of Angular applications, while directives are used to add behavior to elements.

• Promise vs observable: Promises are used for asynchronous operations that will return a single value, while observables are used for multiple values over time.

• Life cycle hook: Angular provides lifecycle hooks that allow you to tap into specific points in a component's lifecycle, such as ngOnInit or ngOnDes...read more

Reports are used to display data in a structured format. ALV, Module Pool, and Dynamic are different types of reports.

• ALV (ABAP List Viewer) is a standard SAP tool used to display data in a tabular format with various features like sorting, filtering, and grouping.

• Module Pool reports are used to create interactive screens with input fields, buttons, and other UI elements to display data and allow user input.

• Dynamic reports are created using ABAP code to generate a report on t...read more

Enhancements, BADI, BAPI, BDC are SAP technologies used for customizing and extending standard SAP functionality.

• Enhancements are used to add custom code to standard SAP programs without modifying the original code.

• BADI (Business Add-In) is a mechanism for adding custom code to standard SAP programs at specific points in the program flow.

• BAPI (Business Application Programming Interface) is a set of standard interfaces provided by SAP for accessing and manipulating SAP data.

• BD...read more

The default replication time between sites depends on the specific replication technology being used.

• The default replication time can vary depending on the distance between the sites and the available bandwidth.

• Some replication technologies allow for near real-time replication, while others may have longer replication intervals.

• Factors such as network latency, data size, and network congestion can also impact replication time.

• Examples of replication technologies include synch...read more

I remain calm, analyze the issue, prioritize tasks, collaborate with team members, and work towards a resolution.

• Remain calm and composed to think clearly

• Analyze the issue to identify root cause

• Prioritize tasks based on impact and urgency

• Collaborate with team members for input and support

• Work towards a resolution efficiently

Interfaces are used to define a contract for classes to implement, allowing for polymorphism and loose coupling.

• Interfaces define a set of methods that a class must implement, but do not provide the implementation details.

• Interfaces allow for polymorphism, where objects of different classes that implement the same interface can be treated interchangeably.

• Interfaces promote loose coupling between classes, as they only define the contract without specifying how it should be imp...read more

I handle change management by implementing structured processes, communication, and stakeholder involvement.

• Implementing a change management process to track and document changes

• Communicating changes effectively to all stakeholders

• Involving key stakeholders in decision-making and planning

• Ensuring proper testing and validation of changes before implementation

RTO stands for Recovery Time Objective in disaster recovery, representing the targeted duration of time within which a business process must be restored after a disaster.

• RTO is a crucial metric in disaster recovery planning, indicating the maximum acceptable downtime for a system or process.

• It helps organizations determine the resources and strategies needed to recover from a disaster within a specific timeframe.

• For example, if a company sets an RTO of 4 hours for its critica...read more

Tables store data in rows and columns, while views are virtual tables created by a query.

• Tables store actual data, while views store a query result

• Tables can be modified directly, views are read-only

• Views can combine data from multiple tables

• Views can simplify complex queries by predefining joins and filters

Reverse a string and check if it's a palindrome.

• Use a loop to reverse the string.

• Compare the reversed string with the original string to check if it's a palindrome.

• Ignore spaces and punctuation while checking for palindrome.

Classification is used to categorize data into different groups based on certain criteria.

• Classification is used in machine learning to predict the class of new data based on past observations.

• It is used in image recognition to identify objects in an image.

• In natural language processing, it is used to classify text into different categories such as spam or not spam.

• Classification is also used in finance to predict the creditworthiness of a borrower.

• It is used in biology to cl...read more

Hyper-V Server is a virtualization platform that allows users to create and manage virtual machines on Windows servers.

• Hyper-V Server is a standalone product offered by Microsoft for virtualization purposes.

• It allows users to create and manage virtual machines on Windows servers.

• Hyper-V Server includes features such as live migration, failover clustering, and support for various operating systems.

• It is commonly used in enterprise environments for server virtualization.

• Hyper-V...read more