Optum Global Solutions Quality Engineer Interview Questions and Answers for Experienced

Q1. Explain yourself? What are the projects you have worked on? As part of automation what tool you have been using?
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Basic mcq questions of java and selenium

Q1. Basic java questions:- abstract class,interface,collection hierarchy, maps etc
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Q2. Explain your framework, types of waits and all other selenium commands, javascriptexecutor
Ans. 
My framework is based on Page Object Model and uses TestNG for test execution. I use explicit and implicit waits as well as fluent waits.
• I use Page Object Model for better organization and maintenance of code

• I use TestNG for test execution and reporting

• I use explicit waits for specific conditions to be met before proceeding with the test

• I use implicit waits to set a default waiting time for all elements

• I use fluent wai...read more
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Q1. Salary and joining related discussion
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Q1. Firewall structure
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Q2. Packet flow of firewall
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Firewalls control packet flow by filtering traffic based on predefined security rules.
• 1. Packet Inspection: Firewalls inspect incoming and outgoing packets to determine if they meet security criteria.

• 2. Rule-Based Filtering: Each packet is compared against a set of rules; for example, allowing HTTP traffic (port 80) while blocking FTP (port 21).

• 3. Stateful Inspection: Firewalls track active connections and make decisio...read more
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Q1. General dsa questions leetcode
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Q1. Array and array list difference
Ans. 
Array is a fixed size data structure while array list is a dynamic size data structure.
• Array is a basic data structure in programming with a fixed size.

• Array list is a dynamic data structure that can grow or shrink in size.

• Array elements are stored in contiguous memory locations.

• Array list elements are stored in non-contiguous memory locations.

• Array list allows insertion and deletion of elements at any position.

• Array d...read more
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Q2. Hashmap and hashset difference
Ans. 
Hashmap stores key-value pairs while hashset stores only unique values.
• Hashmap allows null keys and values while hashset doesn't allow null values.

• Hashmap uses key to retrieve value while hashset uses value itself to retrieve.

• Example: Hashmap - {1:'one', 2:'two'}, Hashset - {'one', 'two', 'three'}
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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. Why should we hire you?
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Q4. Tell me about yourself.
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In aptitude there is a math english

Q1. 2nd was one on one round He will give you one topic and you have to speak on that .
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