![Certificate Computer Communications](https://kzhu.ai/wp-content/uploads/2023/05/Coursera-JVK2X8WL2WRK.jpg)
My 12th specialization certificate from Coursera
Computer Communications University of Colorado System Don’t mention those complex networks in cloud, it is even a challenging...
![Certificate TCP/IP and Advanced Topics](https://kzhu.ai/wp-content/uploads/2023/05/Coursera-PDX5MNRTRQPX.jpg)
My 131st certificate from Coursera
TCP/IP and Advanced Topics University of Colorado System This course teaches the basics of TCP and IP protocols....
![](https://kzhu.ai/wp-content/uploads/2023/04/preethi-viswanathan-h5fsy4E4FMY-unsplash.jpg)
Introduction to Transport Layer Protocols
Two transport layer protocols User Datagram Program (UDP) and Transmission Control Protocol (TCP) are built upon the best...
![](https://kzhu.ai/wp-content/uploads/2023/04/leon-seibert-2m71l9fA6mg-unsplash.jpg)
Introduction to Internet Protocol
TCP/IP Protocol Suite is to build a network of networks (Internet) that can operate over multiple, coexisting, and...
![Certificate Packet Switching Networks and Algorithms](https://kzhu.ai/wp-content/uploads/2023/03/Coursera-RHD3QVMEGCTX.jpg)
My 129th certificate from Coursera
Packet Switching Networks and Algorithms University of Colorado System Since the emergence of cloud computing the late 1990s,...
![](https://kzhu.ai/wp-content/uploads/2023/03/denys-nevozhai-7nrsVjvALnA-unsplash.jpg)
Routing in Packet Networks
A packet switch network provides communication services among multiple nodes/routers. There are usually multiple route/path from one node/router...
![](https://kzhu.ai/wp-content/uploads/2023/03/shubham-dhage-fmCr42xCLtk-unsplash.jpg)
Frame Switching and Packet Switching
There are several ways of interconnecting networks, at different layers, there are different types of devices: Layers Devices...
![Certificate Peer-to-Peer Protocols and Local Area Networks](https://kzhu.ai/wp-content/uploads/2022/11/Coursera-JMLAWWS3M6N4.jpg)
My #119 certificate from Coursera
Peer-to-Peer Protocols and Local Area NetworksUniversity of Colorado System The development of computer network has a long history,...
![](https://kzhu.ai/wp-content/uploads/2022/11/markus-spiske-L-mHnEJXR6A-unsplash.jpg)
Local Area Networks
Local area means private ownership. The distance between computers is usually below one kilometer, so it is the...
![](https://kzhu.ai/wp-content/uploads/2022/11/kyle-glenn-dGk-qYBk4OA-unsplash.jpg)
Medium Access Control
Broadcast networks are of high bandwidth and low cost. All information will be sent to all users, no...
![](https://kzhu.ai/wp-content/uploads/2022/11/adam-rhodes-S_WaEgwNxpM-unsplash.jpg)
Reliable Services and Data Link Controls
TCP Reliable Stream and Flow Control TCP Reliable Stream Service applies Automatic Repeat Request (ARQ) flow control. TCP...
![](https://kzhu.ai/wp-content/uploads/2022/11/jan-huber-tkE5nutsKt8-unsplash.jpg)
Automatic Repeat Request Protocols
Peer-to-Peer Service Model The communication process can be broken into layers. At each layer, two or more peer...
![Certificate Fundamentals of Network Communication](https://kzhu.ai/wp-content/uploads/2022/05/Coursera-H226ZHLS7J4U-1024x791.jpg)
My #95 course certificate from Coursera
Fundamentals of Network CommunicationUniversity of Colorado System Computer networking and communication are shockingly complicated. It takes years or...
![Layer, Service, Protocol, Encapsulation, Segmentation, Reassembly, Berkeley Socket API](https://kzhu.ai/wp-content/uploads/2022/05/Computer-Communication-Specialization-2-724x1024.jpg)
Fundamentals of Network Communication
Simply put, a communication network is a set of equipment (routers, servers, switches, etc) and facilities (copper wires,...