ZenQ Senior Test Engineer Interview Questions and Answers

Q1. How Instant clone work?
Ans. 
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 virtua...read more
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Q2. Explain primary and secondary connection with port numbers from client to agent machine?
Ans. 
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 ...read more
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Q3. Have you worked on deploying Horizon infra?
Ans. 
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.
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Q4. Different types of writable volumes?
Ans. 
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 Lay...read more
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Q5. Difference between instant clone and linked clone?
Ans. 
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 sligh
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why are you looking for a change?
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Q5. Tell me about yourself.
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Q1. On dsa, ds, programming, database
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Q2. Database mysql, sql, dsa, time complexity
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Q1. Oops based questions, mvc and webapis
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Q1. Core focus on mvc and .net core
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Q1. What are access modifiers in swift
Ans. 
Access modifiers in Swift are keywords that control the visibility and accessibility of classes, methods, properties, and other entities.
• Access modifiers include public, internal, fileprivate, and private.

• Public allows entities to be accessed from any source file in the module or from another module that imports the defining module.

• Internal restricts access to the current module.

• Fileprivate restricts access to the defi...read more
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Q2. Arc in swift, gcd , designer patterns, guard and if let
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Q1. Programming question was there to get a user input in a text field and find whether it is a number or alphabet
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Q1. General aptitude question
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Q1. Technical Questions and some coding questions
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