1. Lecture 8
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      b
c      d
e      f      g
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　( ) 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
/18 and /29., respectively.