IT Trainer Questions

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Telnet uses TCP at layer 4. It uses IP at layer 3. We know that Telnet uses TCP/IP protocol, but in the question, it is asked specifically at layer 4 what is used in Telnet. So it is TCP at layer4 and IP at layer 3.

There are 60 minutes in an hour.

In ¾ of an hour there are (60 × ¾) minutes = 45 minutes.

In ¾ of an hour there are (60 × 45) seconds = 2700 seconds.

Siren sounds for every 5 seconds.

In 2700 seconds = 2700/5 = 540 times.

The count start after the first sound, the Siren will sound 541 times in ¾ of an hour.

* JSON full form is JavaScript Object Notation.
* JSON is a lightweight text-based open standard designed for human-readable data interchange.
* It is derived from the JavaScript programming language for representing simple data structures and associative arrays, called objects.
* And JSON is language-independent, with parsers available for virtually every programming language.
* Uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python,php
* The JSON format is often used for serializing and transmitting structured data over a network connection.
* When third party data interchane(REST Services) then JSON may used there LIKE SHOP.
* It is primarily used to transmit data between a server and web application, serving as an alternative to XML.

Envelope is a letter holder for one letter and in the question it mean that it holds one letter. Eye is also a word which starts and end with E but has one letter in the middle.

"Pure Banking, Nothing Else" - is a slogan raised by SBI -  State Bank of India.