Exercise 8 1. Describe similarities and differences between a network bridge and Internet router. 2. Describe similarities and differences between Internet reference model and ISO 7-layer model. 3. Identify the address class of the following IP addresses: a. 22.214.171.124 b. 126.96.36.199 c. 127.54.118.21 d. 188.8.131.52 e. 184.108.40.206 f. 220.127.116.11 g. 18.104.22.168 Point out which are special addresses. If an address is a host/router IP address in Class A, B or C, indicate its prefix (network ID) and suffix (host ID). 4. A small organization has a Class C address (22.214.171.124) for seven networks each with 24 hosts. Design an appropriate subnet addressing scheme (subnet addresses, host addresses and mask) for the organization. 5. Draw a TCP/IP internet that consists of two networks connected by a router. Show two computers attached to each network. Assign the IP addresses to the four computers and one router with the assumption that network prefixes or IDs of the two networks are 126.96.36.199/18 and 188.8.131.52/29., respectively.