Assignment#4 MMIS 653 (Winter 2013) Total points: 40 Due date: 4/16/2013 11:59PM

Assignment#4 MMIS 653 (Winter 2013) Total points: 40 Due date: 4/16/2013 11:59PM 1 How big is the MAC address space? The IPv4 address space? The IPv6 address space? Note: The size of an address space is the maximum number of different addresses it can have.
Assignment#4 MMIS 653 (Winter 2013) Total points: 40 Due date: 4/16/2013 11:59PM 1 How big is the MAC address space? The IPv4 address space? The IPv6 address space? Note: The size of an address space is the maximum number of different addresses it can have.(3 points) 2 In CSMA/CD after the 5th collision what is the probability that a node chooses K=4? The result K=4 corresponds to a delay of how many seconds on a 100 Mbps Ethernet? (6 points) 3 What are the differences between the following types of wireless channel impairments: path loss multipath propagation interference from other sources? (3 points) 4 Describe the role of the beacon frames in 802.11. (3 points) 5 What is the difference between a permanent address and a care-of address? Who assigns a care-of address? (4 points) 6 What is the difference between end-to-end delay and packet jitter? What are the causes of packet jitter? (4 points) 7 What are the differences between message confidentiality and message integrity? Can you have one without the other? Justify your answer. (4 points) 8 What is an important difference between a symmetric key system and a public key system? (4 points) 9 Define the following terms: managing entity managed device management agent MIB network management protocol. (5 points) 10 True or False explain why? (4 points) a Ethernet and 802.11 use the same frame structure. b The addresses in an Ethernet frame header are IP addresses.
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