Some of the disadvantages of using layered protocols are the redundancy and overall lower performance.
Reimplementing everything from remote and wired to connectionless and association situated application correspondence, with each ringer and shriek of BGP, MPLS, multicast steering and so on would be a gigantic endeavor and potentially unmanageable in this solid across the board convention. I could envision specialty utilize situations where most extreme execution is imperative most importantly where an exceptionally basic framework might be wanted.
Answer: Option A: data values are treated as if they occur at the midpoint of a class
Explanation: In computing descriptive statistics from grouped data, data values are treated as if they occur at the midpoint of a class
