10+ WNS Interview Questions and Answers

Primary and secondary connections with port numbers are used for communication between client and agent machines.

• Primary connection is established using a well-known port number, such as port 80 for HTTP.

• Secondary connection is established using a random port number, which is assigned by the client machine.

• Primary connection is used for initial communication and negotiation, while secondary connection is used for data transfer.

• Secondary connection can be closed and reopened m...read more

Yes, I have experience in deploying Horizon infrastructure.

• I have deployed Horizon View infrastructure for virtual desktops.

• I have configured and managed Horizon Connection Servers.

• I have worked with Horizon Composer for image management.

• I have experience in troubleshooting Horizon infrastructure issues.

• I have implemented Horizon Workspace for application and data access.

I am highly proficient in managing the tools designed for me to work on.

• I have extensive experience in using various supportdesk tools such as ticketing systems, knowledge bases, and remote desktop software.

• I am skilled in troubleshooting and resolving technical issues using these tools efficiently.

• I am familiar with the features and functionalities of different supportdesk tools and can adapt quickly to new ones.

• I have received positive feedback from previous employers regar...read more

Instant clone is a feature in VMware Horizon that allows for rapid creation of virtual desktops.

• Instant clones are created from a parent VM in a matter of seconds.

• They share the same virtual disks as the parent VM, but have their own memory and virtual NICs.

• Instant clones use a technology called VMFork to create a copy-on-write clone of the parent VM.

• They are ideal for use cases where a large number of identical virtual desktops are needed, such as in call centers or classroo...read more

Instant clone creates a copy of the VM while linked clone shares virtual disks with the parent VM.

• Instant clone is faster to create than linked clone.

• Instant clone uses a copy-on-write mechanism to create a new VM.

• Linked clone shares virtual disks with the parent VM and only creates delta disks for changes.

• Instant clone is useful for creating many identical VMs quickly.

• Linked clone is useful for creating VMs with slight variations from the parent VM.

Troubleshooting involves identifying and resolving problems in computer systems or networks.

• Troubleshooting is the process of diagnosing and resolving issues in computer hardware, software, or network systems.

• It requires a systematic approach to identify the root cause of the problem.

• Common troubleshooting techniques include gathering information, analyzing symptoms, and testing possible solutions.

• Examples of troubleshooting tasks include resolving network connectivity issues...read more

Writable volumes are used to store user or application data separately from the OS and applications.

• There are two types of writable volumes: User writable volumes and AppStack writable volumes.

• User writable volumes are used to store user-specific data and settings.

• AppStack writable volumes are used to store application-specific data and settings.

• Writable volumes can be created using VMware App Volumes or Citrix App Layering.

• Writable volumes can be attached to virtual machines...read more

Service refers to proactive actions taken to maintain systems, while incidents are reactive responses to issues or problems.

• Service involves planned activities to prevent issues, while incidents are unexpected events that require immediate attention

• Service includes routine maintenance, upgrades, and monitoring of systems

• Incidents are disruptions or problems that impact the normal operation of systems

• Examples of service activities include software updates, hardware replacement...read more

RDP stands for Remote Desktop Protocol, used to remotely access and control a computer. To enable on a client machine, go to System Properties > Remote tab > Allow remote connections.

• RDP allows users to connect to a remote computer over a network connection.

• To enable RDP on a client machine, go to Control Panel > System > Remote settings.

• In the Remote tab, select 'Allow remote connections to this computer'.

• You can also specify who can connect and configure other settings like...read more

VPN stands for Virtual Private Network. It is a secure connection that allows users to access a private network over a public network.

• VPN creates a secure and encrypted connection between the user's device and the private network.

• It provides privacy and anonymity by masking the user's IP address and encrypting their internet traffic.

• VPN is commonly used to access company networks remotely, bypass geo-restrictions, and enhance online security.

• Examples of VPN protocols include ...read more

OOPS concepts refer to Object-Oriented Programming concepts which include Inheritance, Encapsulation, Polymorphism, and Abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class. Example: Parent class 'Animal' and child class 'Dog'.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class 'Car' with private variables and public methods.

• Polymorphism: Ability to present the same interface for differe...read more

To join a domain, you need to access the system properties, click on the 'Computer Name' tab, click on 'Change', enter the domain name, and provide credentials.

• Access system properties

• Click on 'Computer Name' tab

• Click on 'Change'

• Enter the domain name

• Provide credentials

PVS is preferred over MCS for Citrix environments due to its ability to stream a single vDisk to multiple machines, reducing storage costs and simplifying image management.

• PVS allows for a single vDisk to be streamed to multiple machines, reducing storage costs compared to MCS which requires a separate disk for each VM.

• PVS simplifies image management as updates only need to be made to the vDisk, whereas with MCS, updates must be made to each individual VM.

• PVS provides a more ...read more

Inheritance is a mechanism in object-oriented programming where a new class inherits properties and behaviors from an existing class.

• Allows for code reusability and promotes the concept of 'is-a' relationship

• Derived class can access the attributes and methods of the base class

• Types of inheritance include single, multiple, multilevel, hierarchical, and hybrid inheritance

Hypervisor communication port number is typically 443 for HTTPS communication.

• Hypervisor communication port number is usually 443 for HTTPS traffic.

• This port number is used for secure communication between the hypervisor and other systems.

• It is important to ensure that this port is open and accessible for proper functioning of the hypervisor.

• Some hypervisors may use different port numbers for communication, so it is important to verify the specific port number being used.

I satisfy the customer by actively listening to their concerns, providing timely solutions, and ensuring their overall satisfaction.

• Actively listen to the customer's issues and concerns

• Provide timely and effective solutions to their problems

• Ensure the customer's overall satisfaction by following up and addressing any additional needs or questions