The definition for latency is simple: Latency = delay. Itâs the amount of delay (or time) it takes to send information from one point to the next. Latency is usually measured in milliseconds or ms. Itâs also referred to (during speed tests) as a ping rate.
VLOOKUP is a powerful Excel function that allows you to look for a specified value in one column of data inside a table, and then fetch a value from another column in the same row.
The syntax for the VLOOKUP function is as follows: VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup]) As you see, the Microsoft Excel VLOOKUP function has 4 parameters, or arguments. The first three parameters are requited, the last one is optional. lookup_value - the value to search for.