These qustions from data communications and networking.

Questioni: A) Put "T" for correct statements and "F" for wrong ones It Marks] 1. The logical address usually remains the same during data transmission. 2. The twisted pair cable is more expensive than the coaxial cable. Infrared are used for unicast communication such as cellular telephones and 3. satellite networks. 4. Fiber optic is a type of the unguided transmission media Questioni: B) Complete the following sentences It Marks] l. Bus, Star, and are network topologies 2. Listen, Connect, Receive, Send, and are state service primitives. 3. There are three categories of wireless networks, wireless LAN, wireless WAN, and 4. The connector of twisted pair cable is called