Q7-What is the main function of the Session layer? * a. provides services to exchange the individual pieces of data over the network between identified end devices b.describes the mechanical, electrical, functional, and procedural means to transmit bits across physical connections c. provides services to the presentation layer to organize its dialogue and to manage data exchange d. none of above 08- The Transmission Control Protocol (TCP) has the following characteristics: * a. Ensures the connection between source and destination b. Ensures the delivery of data transmitted c. Enables the destination to reconstruct data based on number sequencing d. All the above Q9-Which of the below messages should be broadcasted? * a. DHCP Discover b. DHCP ACK C. ARP Request d. DNS Request