Wipro Consultant Interview Questions and Answers for Experienced

Easy technical and coding round

Q1. How do you replace lifecycle method with hooks
Ans. 
Replace lifecycle methods with hooks by using useEffect and useState
• Use useEffect hook to replace componentDidMount, componentDidUpdate, and componentWillUnmount

• Use useState hook to replace state in class components

• Example: Replace componentDidMount with useEffect(() => {}, [])
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Q2. What is useLayoutEffect
Ans. 
useLayoutEffect is a React Hook that is similar to useEffect, but it fires synchronously after all DOM mutations.
• Similar to useEffect but fires synchronously after all DOM mutations

• Useful for updates that need to be reflected synchronously in the DOM

• Should be used sparingly as it can impact performance
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Q1. Asset Performance Management
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Q1. Asset Performance Management
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Q1. Salary discussion
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Q1. What is VPC and explain
Ans. 
A VPC (Virtual Private Cloud) is a secure, isolated cloud environment for deploying resources in a public cloud.
• Isolation: VPC provides a private network within a public cloud, ensuring resources are isolated from other users' resources.

• Customizable Network: Users can define their own IP address range, create subnets, and configure route tables and network gateways.

• Security: VPC allows for the implementation of securit...read more
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Q2. What is difference between SG and NACL
Ans. 
SG (Specific Gravity) measures density relative to water, while NaCl (sodium chloride) is a chemical compound commonly known as salt.
• Definition: SG is a ratio of the density of a substance to the density of water, while NaCl is a compound made of sodium and chloride ions.

• Measurement: SG is a dimensionless number used in various fields like geology and medicine, whereas NaCl is measured in grams or moles.

• Applications: S...read more
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Q1. Palo Alto Firewall related questions
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Q2. What is SP3 architecture?
Ans. 
SP3 architecture refers to a software architecture pattern that emphasizes scalability, performance, and security.
• SP3 stands for Scalable, Performant, and Secure architecture.

• It focuses on designing systems that can handle increasing loads, deliver high performance, and maintain data security.

• SP3 architecture often involves using microservices, cloud computing, and encryption techniques.

• Examples of companies using SP3 ...read more
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Q3. How can we do theHA on Palo Alto Firewall?
Ans. 
High Availability (HA) on Palo Alto Firewall can be achieved by configuring active-passive or active-active HA pairs.
• Configure two firewalls in an HA pair with one as active and the other as passive for failover

• Ensure synchronized configuration and session information between the firewalls

• Utilize heartbeat monitoring to detect failures and trigger failover

• Test failover scenarios to ensure seamless transition

• Consider us...read more
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