Verizon Data Engineer Interview Questions and Answers for Freshers

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Q1. Sql question related to windows function
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Q2. Unix basics - find a word in a set of files
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Using Unix command 'grep' to find a word in a set of files
• Use 'grep' command followed by the word you want to search for and the file(s) you want to search in

• Add the '-r' flag to search recursively in all files in a directory

• Use '-i' flag for case-insensitive search

• Example: grep 'hello' file.txt

• Example: grep -r 'error' /path/to/directory

• Example: grep -i 'apple' file1.txt file2.txt
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Q3. Python question related to file system, regex
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Q1. Apex coding admin trigger vf
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Q2. Lwc aura admin flow
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Q1. Oops, design pattern, spring
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Q1. Abstract ans interface, singleton design pattern, oops
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Q1. Core Java concepts, oops fundamental, cloud, stream api, java 8 features, hashmap how it works, equals override contract
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Q1. Java 8, multi threading, why lazy evaluation in stream api, internal working of hash map, overloading, overriding
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Q1. Java basics prepare well
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