Which Metro Ethernet IEEE Ethernet standard provides the greatest speed at a distance of 40 km?

A validation rule is a property that can be assigned to fields to ensure the correct data is being entered into the field

Indicate whether the statement is true or false

Answer the following statements true (T) or false (F)

1) Records in random-access files must be of uniform length. 2) Module cPickle performs more efficiently than does module pickle because cPickle is written in Python. 3) Serialization converts complex objects to a set of bytes. 4) Method sys.exit returns 1 by default to signify that no errors occurred. 5) Sequential-access files are inappropriate for instant-access applications in which records must be located quickly.