Computer Networks Lecture 2

Main note

1. Intro
2. Questions & Answers
   • What is a computer network?
   • What are applications of computer network?
   • What is client server model?
   • What are network topologies?
   • What is the difference between throughput and bandwidth?
   • What is the classification of computer networks?
   • What are data transmitter types?
3. References Next week Diff between OCI vs DCPI

Intro

We will be covering the questions and answers directly because only 30 lectures

Content

Questions & Answers

1. What is a computer network? (5m)
   • It is a collection of autonomous computer devices interconnected by a single technology.
   • TCP/IP
   • Interconnection can happen in variety of places such as
     • Broadcast
     • Point to Point
   • A link is established using various methods such as Wired connection ( RJ45 ), WiFi 2.4Ghz or WiFi 5ghz The technologies actual name is 802.11 , Hub, Switches, Fibernet, Sonet, ATM ( Asynchronous Transfer Mode )
   • You have to draw a kind of diagram
2. What are application of computer network (5m)
   1. Client Server
   2. Banking
   3. ATM
   4. Data centers
   5. Internet
   6. Cloud
   7. IOT
   8. Internet
   9. Office Automation
   10. IPTR
   11. Voice Over IP
   12. Social Media
   13. ETC
3. What is client server model?

   Transclude of Client-Server-Model.canvas

4. What are network Topologies? (5m)
   1. BUS Topology
   2. STAR Topology
   3. Hybrid Topology
   4. Mesh Topology
   5. Tree Topology
5. What is the difference between throughport and bandwidth Difference Between Throughport and bandwidth
6. What is the classification of computer networks (5m)

Interpreter Distance	Area	Example
1m	Square Meter	PAN
10m	Room	LAN
100m	Building	LAN
1km	Campus	LAN
10km	City	MAN
100km	Country	WAN
1000km	Continent	WAN
10000km	Planet	Internet

7. What are Data Transmitter Types (4m)
   1. Simplex
   2. Duplex
   3. Half Duplex Refer Computer Networks Lecture 1

References

Next week Diff between OCI vs DCPI