Question: PART A: State true or false (1 mark each): 1. Effective communications depends on delivery, accuracy, reliability and jitter a. Answer It is good to

PART A: State true or false (1 mark each): 1. Effective communications depends on delivery, accuracy, reliability and jitter a. Answer It is good to have a protocol for communication between two devices but it is not mandatory 2. The entire capacity of a channel is taken over by the sender in simplex and half duplex communications 3. a. Answer 4. De-facto standards are the ones legislated by an officially recognized body 5. There is a logical connection between each layer in the layered communication model 6. TCP/IP defines a specific protocol to be used at the data link layer 7. In the TCP/IP protocol stack, flow control and congestion control services are provided a. Answer: a. Answer: by the IP layer 8. A routing protocol builds the forwarding tables and participates in the routing process 9. ICMP, IGMP, DHCP and ARP are all MAC layer protocols 10. Congestion control is a functionality provided by TCP a. Answer: a. Answer: a

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