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9 131

Which of the following is a protocol used for sending and receiving emails?

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9 131

What is the purpose of the subnet mask in networking?

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9 131

Which of the following is a connection-oriented protocol used for reliable data transfer in networking?

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9 131

What is the purpose of the Domain Name System (DNS) in computer networks?

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9 131

Which protocol is used for secure communication over a computer network?

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9 131

Which method is used to find the length of a string in Java?

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9 131

How do you read user input from the console in Java?

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9 131

What does the super keyword represent in Java?

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9 131

Which collection class in Java is synchronized?

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9 131

What is the purpose of the new keyword in Java?

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9 131

Which method is used to compare two strings in a case-insensitive manner in Java?

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9 131

How do you declare a constant variable in Java?

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9 131

Which of the following is used to implement multiple inheritance in Java?

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9 131

What is the role of the this keyword in Java?

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9 131

Which method is used to convert a string to an integer in Java?

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9 131

What is the purpose of the static keyword in Java?

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9 131

Which keyword is used to define an interface in Java?

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9 131

What is the default value of a boolean variable in Java?

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9 131

Which of the following statements is true about the ArrayList class in Java?

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9 131

What is the purpose of the finally block in a Java try-catch-finally statement?

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