i) The corresponding network prefix value for the subnet mask 255.255.255.248 is

Select one:

a) 24

b) 28

c) 29

d) 26

ii) _________is a security device that resides between two or more networks and helps prevent unauthorized access.

iii) To pass data streams to the proper applications, the transport layer identifies the target application using an identifier called__________ .

(ii) and (iii) is Complete the blank.