400+ Senior Systems Engineer Interview Questions and Answers

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.

DHCP automates IP address assignment, enabling devices to connect to networks seamlessly.

• DHCP stands for Dynamic Host Configuration Protocol.

• It assigns IP addresses dynamically to devices on a network.

• The process involves four main steps: Discover, Offer, Request, and Acknowledge (DORA).

• Example: A laptop connects to Wi-Fi and receives an IP address from the DHCP server.

• DHCP reduces manual configuration and minimizes IP address conflicts.

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

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

Garbage collector in Java is a built-in mechanism that automatically manages memory by reclaiming unused objects.

• Garbage collector runs in the background to reclaim memory from objects that are no longer in use.

• It helps prevent memory leaks and optimize memory usage.

• Examples of garbage collectors in Java include Serial, Parallel, CMS, and G1.

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

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

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

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.

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

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

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.

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

The fixmbr command repairs the Master Boot Record (MBR) on a hard drive in Windows systems.

• Used in Windows Recovery Console to fix boot issues.

• Restores the MBR to its default state, potentially resolving boot errors.

• Can be used when the system fails to boot due to MBR corruption.

• Example: Running 'fixmbr' after a virus infection that damages the MBR.

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

Method overloading is having multiple methods with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in the superclass.

• Method overloading is used to provide different ways of calling the same method with different parameters.

• Method overriding is used to provide a specific implementation of a method in a subclass that is already defined in the superclass.

• Method overloading is resolved at com...read more

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