Wipro System Administrator Interview Questions and Answers

Q1. Self introduction
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Q2. What is Java and java types.
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Java is a high-level programming language known for its portability and versatility.
• Java is an object-oriented language

• Types of Java include primitive types (int, double, boolean), reference types (classes, interfaces), and arrays

• Java is platform-independent due to its bytecode compilation
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Q3. What is c programming
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C programming is a high-level programming language used for system programming, embedded systems, and software development.
• C programming is widely used for system programming, as it allows direct access to hardware and memory.

• It is commonly used in embedded systems development, where efficiency and low-level control are important.

• C is known for its performance and portability, making it a popular choice for developing ...read more
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Q4. Features in java
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Java features include platform independence, object-oriented programming, automatic memory management, and multithreading.
• Platform independence allows Java programs to run on any platform with a Java Virtual Machine (JVM)

• Object-oriented programming supports concepts like classes, objects, inheritance, and polymorphism

• Automatic memory management through garbage collection helps in managing memory efficiently

• Multithreadi...read more
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Q5. Oops concept , class
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First round > General aptitude and versant test.

Q1. How to manage VDI?
Ans. 
VDI can be managed by monitoring performance, updating software, optimizing resources, and ensuring security.
• Monitor performance regularly to identify any issues or bottlenecks.

• Update VDI software and patches to ensure system stability and security.

• Optimize resources by balancing workloads and adjusting configurations as needed.

• Ensure security measures are in place, such as encryption, access controls, and regular back...read more
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Q2. O365 services and it's related questions.
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Q3. Questions on cloud computing, cloud services.
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Q1. What is Template
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A template is a pre-designed format used to create consistent documents or systems efficiently.
• Templates can be used in various applications like word processors, spreadsheets, and web design.

• For example, a resume template provides a structured layout for job applicants.

• In programming, a class template allows for the creation of generic classes or functions.

• In system administration, configuration file templates can sta...read more
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Q2. What is Snapshot
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A snapshot is a point-in-time copy of data, often used for backup and recovery in systems and virtual environments.
• Snapshots capture the state of a system at a specific moment.

• They are commonly used in virtual machines (e.g., VMware, Hyper-V).

• Snapshots allow for quick recovery from failures or data corruption.

• Example: A snapshot can be taken before a major software update.

• They can consume significant storage space if n...read more
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Q3. How to change the Host name
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Changing the hostname involves modifying system files and using commands to ensure the new name is recognized by the system.
• For Linux, use the command: 'hostnamectl set-hostname new-hostname'.

• Edit the '/etc/hostname' file to reflect the new hostname.

• Update the '/etc/hosts' file to map the new hostname to the IP address.

• Reboot the system or use 'systemctl restart systemd-hostnamed' to apply changes.

• For Windows, use 'wmi...read more
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Q4. What is clone
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Q5. What is High Availability
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High Availability (HA) ensures systems are operational and accessible with minimal downtime, enhancing reliability and performance.
• HA involves redundant systems to prevent single points of failure.

• Load balancing distributes workloads across multiple servers, e.g., using HAProxy.

• Failover mechanisms automatically switch to backup systems during failures.

• Clustering groups servers to work together, e.g., Microsoft Failover...read more
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Q6. What is VMkernel Adapter
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A VMkernel adapter is a virtual network interface used by ESXi hosts for various networking functions.
• Facilitates communication between virtual machines and the physical network.

• Used for management traffic, vMotion, and storage traffic.

• Example: A VMkernel adapter can be configured for NFS storage access.

• Each VMkernel adapter has its own IP address and can be assigned to different VLANs.
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Q1. Why you want to join this worst company.
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Q2. Wipro is good company you can join if your expectations is around 3 Lpa
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