Q5] (35 Marks): Give the reason of each of the following: i. Switches have greater efficiency than Bridge. ii. Star network topology is less expensive than mesh network topology. iii. Dedicated Architecture for client-server model is not suitable for small networks. iv. The frame header for a wireless LAN, IEEE 802.11, has four address fields. v. Even both Data link layer and Transport layers have (addressing, error control, and flow control) but the meaning of each responsibly is different for each task. vi. In Bluetooth networks, the access method uses a mixture of TDMA, Pooling, and Reservation. vii. Even with NAT, there are several limitation in address mapping. viii. ATM uses fixed length cells of 53 bytes