Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Get Attractive Job

Q.

Usually telephone traffic is measured by

A Blocking probabilities
B Grade of service
C Relative congestion
D Erlangs
Answer & Explanation
Option: [D]

Your Valuable Comments Please...

Useful Computer Science EBooks