Manchester encoding is used to:

Select one:

a. convert digital data into digital signal

b. to correct errors

c. to check for errors

d. to add CRC code

The logical address:

Select one:

a. none of the above

b. assigned in transport layer

c. assigned in application layer

d. assigned in datalink layer

When the angle of incidence is greater than

Select one:

a. light crosses the boundary and is refracted

b. light does not cross the boundary

c. none of the above

d. light crosses the boundary and is reflected