mobile computing

The Media Access Control (MAC) layer frame has

• 5 fields

• 7 fields

• 9 fields

In third generation of Cellular Telephony, the data rate for access in a moving vehicle is

• 244 Kbps

• 150 Kbps

• 144 Kbps

In the poll function, when the response is positive then the primary reads the data and returns an

• sending frame

• receiving frame

• acknowledgment frame

IANA has divided the port numbers into

• three ranges

• pair of four

• two ranges

The Internet Protocol (IP) packet that carries an Internet Group Management Protocol (IGMP) packet has a value of

• 0

• 1

• 2