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No Privacy Left !!!

Carding - No Privacy Left

Today, one of my friend messaged in WhatsApp group saying “Guys, my Axis bank debit card number and CVV number got hacked and deducted 7000rs (plus some change) from my account, keep your card number and CVV safe”.

That’s when I got more frustrated, irritated and lot of emotions busted out of me.

Immediately, my reply in WhatsApp group was “WTF?? When and how did it happen?? Lodged police complaint??”

He said “Yesterday (16th May 2018) around 3-4pm. Also, I have submitted fraudulent form with fraud details and they will investigate”.

Along with that he sent a screenshot of that transaction. After looking at it, I did some Googling and figured out the registrar data and it was an International transaction made on www.crazy8.com

My friend was not aware of this transaction until he got an SMS saying, “Transaction declined due to insufficient funds”. So, this was their 2nd attempt!!

…

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  • May 18, 2018
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JMeter Interview Questions & Answers

What Is JMeter?JMeter is a Java tool for load testing client/server applications, now used for testing web, API, and database performance and functionality. Explain How JMeter Works:Simulates users sending requests, collects server responses and stats, and shows application performance in graphs/tables. Where Can You Use Functions and Variables?Insert into fields of any test component to parametrize and automate your test plan. What Are Regular Expressions in JMeter?For pattern matching and dynamic data extraction throughout a test plan. What Are Samplers and Thread Groups?Thread groups set user count and ramp-up; samplers send requests (HTTP, FTP, JDBC, etc.). (Continues with all your original questions/answers...)

2025 Latest JMeter Interview Questions & Answers:

What’s new in JMeter 5.x and above?Improved Plugin Manager, new timers (Poisson, Precise Throughput), Non-GUI CI/CD integration, WebSocket/gRPC plugins. These enable advanced, …
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  • April 2, 2018
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Hadoop Interview Questions & Answers

Latest Hadoop Interview Questions & Answers (2025 Update)

What are the key differences between Hadoop 1 and Hadoop 2?Hadoop 1 had a single JobTracker, which limited scalability. Hadoop 2 introduced YARN, separating resource management from job scheduling. This allowed multiple frameworks like Spark and Tez to run on the same cluster. Hadoop 2 also supports high availability for the NameNode.

How do you optimize a MapReduce job?You can optimize by tuning the number of mappers and reducers. Use a Combiner to reduce shuffle data. Write efficient map and reduce logic. Monitor counters and execution time to detect bottlenecks. Compress intermediate data to speed up transfers.

Explain the concept of data locality in Hadoop.Data locality means moving computation closer to the data. Hadoop tries to run tasks on the same node where the data block exists. This reduces network traffic and speeds up processing.

How do you handle small files i…

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  • April 2, 2018
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