Problem
I. Name 5 types of Networks
II. What is the OSI Model name it's 7 layers with examples of devices and/or protocols they will use
III. What is the difference between the OSI Model and the TCP/IP Model?
IV. What is the role of a firewall in a network?
V. What is a protocol? Name 10 well known protocols and their port numbers.
VI. What is the difference between a logical port and a physical port? Explain with examples.
VII. What is a firewall
VIII. Explain what you know about NAT protocol.
IX. What is the difference between MAC address and IP address?
X. Name 6 differences between TCP and UDP
XI. What is the difference between a Hub, Switch and a Router?
XII. What are the versions of IP addresses and explain the difference?
XIII. Name the different classes of IP and their ranges.
XIV. Classify the following IP address in their respective classes.
i. 10.16.9.0
ii. 127.45.16.8
iii. 192.34.65.76
iv. 227.188.155.75
v. 230.100.65.0
XV. Convert the following IP addresses to their binary format and identify each octet
i. 224.121.21.45
ii. 10.24.13.11
iii. 23.32.0.1
XVI. If you have a sider 28 meaning you have 28 bits on. Calculate the first 3 networks ID (subnet ID) , Calculate the first 3 Broadcast addresses and the range of each of them.