Which feature of Big Data refers to the speed of data

Find the appropriate answer.

Arrange the given words in the sequence in which they occur in the dictionary and choose the correct sequence from the given options.

An emolument over and above fixed income or salary  

Choose the word similar in meaning to the given word:

Ephemeral

Select the most appropriate antonym of the given word.

He is showing signs of senility .

Select the synonym of the given word:

ENDEAVOR

A very powerful businessman

 Fill in the blanks with the appropriate antonym of the word in Italic from the options given:

CREDITABLE