Introduction to Computer Networks notes
63 notes by 53 users · Page 1 of 2
This page gathers notes on Introduction to Computer Networks, covering network fundamentals, packet switching and topologies. School students, university students and professional candidates can practise these concepts, while teachers can find material to use. There are over 50 notes by more than 40 users, spanning school, university and professional study. Start with a note that matches your topic.
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- Advantages and Disadvantages of Networks25
- Types of Networks: LAN, WAN and WPAN359
- Client-Server and Peer-to-Peer Networks33
- Network Topologies390
- Network Hardware and Devices151
- Transmission Media and Wireless Networks38
- Data Transmission, Routing and Switching41
- OSI and TCP/IP Models59
- Network Protocols102
- IP and MAC Addressing30
- The Internet and Its Architecture22
- Network Performance30
Notes
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Data Packets and NAT What is Time to Live (TTL)Time to Live (TTL) is a field in the Internet Protocol (IP) that specifies how many more hops a packet can travel being being discarded or returned. The TTL is set in an eight binary digit fi...
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Introduction to Networks What is a Network?"A large system consisting of many similar parts connected together to allow movement or communication between or along the parts."A network is a group of two or more computer systems linked together...
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Untitled Module 1 - Communications in a Connected World What type of network allows computers in a home office or a remote office to connect to a corporate network? Small Office Home Office Network What can be placed in or on ...
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Untitled NetworksTelecommunications network is a network off telecommunications links and nodes arranged so that messages may be passed from one part of the network to another over multiple links and through various nodes.What...
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1018 NetworksTelecommunications network is a network off telecommunications links and nodes arranged so that messages may be passed from one part of the network to another over multiple links and through various nodes.What...
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NETWORKS Networks A network is two or more computers - or other electronic devices - that are connected together for the purpose of communication. They are connected by a wired medium such as cables, or by a wireless...
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Network + Study Guide Chapter 1 A topology describes how the part of a whole work together.Physical topology, or network topology, mostly applies to hardware and describes how computers, other devices, and cables fit together to form the p...
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ICT 2a LAN: local area network (relatively limited area) e.g. office, building, campusPeer-to-peer (P2P) NetworkEach PC access the resources which are share by all the other peer workstations...
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Network Topologies Recap: Circuit-SwitchingLet's go back one set of notes and recap circuit-switching networks. In this case, a point-to-point connection is established between two devices. This channel is dedicated to these two devices...
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MPLS Basics:- MPLS puts label between IP header and ethernet header- router look at the Label and swap. - MPLS leverages routing and CEF- MPLS is layer 2.5 technology - MPLS label is put between Layer 2 n layer 3 header- M...
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Client-Server and Peer-to-Peer Networks Client-Server Network A server provides all of the services required on the network. These services include directing traffic around the network, managing disk drives and network peripherals such as printers...
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Networks and the effects of using them Networks: •Networks devices •Internet protocol (IP) and media access control (MAC) addresses •WiFi and Bluetooth •How to set up and configure a small network •Internet, Intranets and extranets •LAN and WAN •Accessing ...
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Networking 3.1.8: Explain why the speed of data transmission can vary Delays are cause by: Nodal Processing Error checking Addressing Slows down processing Queuing Queuing at the node Network load has impact Propagation The time...
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Networking Chapter 3 Three Elements of CommunicationSource: Message source, or sender. Message sources are people, or electronic devices, that need to send a message to other individuals or devices. Destination: Destination, or receiver, ...
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NETWORKS LAN: A LAN is a local area network which covers a small geographical area located on a single site. All the hardware for LAN s owned by the organisation that uses it. LANs are either wired or wireless WAN: A WAN is a ...
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Computer Science Network Revision - created from Mind Map Network Network Networks allow the transfer of data between connected devices
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Internet and Networking Packet Switching The breaking down of files into small pieces of information Each packet is transmitted separately from Point A to Point B Each packet MUST have these three components: Who the sender is Who the receiv...
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Fundamentals of computer networks - Criado a partir de um Mapa Mental Network Wired Wireless
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Network Communication - created from Mind Map Devices communicate via a network interface card (NIC) through a type of communication medium The network protocol is the set of rules the network follows in order to allow data to travel. Each computer in the network...
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Networking Virtual Circuit A short VC number also called as VCID (virtual circuit identifier) is a type of identifier which is used to distinguish between several virtual circuits in a connection oriented circuit switched ...
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Common Switching Techniques COMMON SWITCHING TECHNIQUES 1. Circuit Switching2. Packet Switching3. Messase Switching Circuit Switching: When two nodes communciate with each other over a dedicated communication path,it is called circuit switching ...
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Network glossary Network-A network is 2 or more devices connected together to share things like information or resources. e.g. Alexa, Xbox, Speaker, Tesla, Computer/Laptop etc. Node-A device connected to a network. Packet-A chunk of d...
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Circuit and Packet switching Circuit Switching1. Connection estalbished via dedicated route2. No other traffic can use that route until transmission is complete.3. data split into packets4. All packets follow same route.5. Continuous flow of data...
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Untitled Computer Science - unit 5 - Communications Revision LAN A Local Area Network is a network confined to one location or organisation. WAN A Wide Area Network is a network of LANS spanning wide area. PAN Personal A...
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1.0 Network Fundamentals 1.1 Compare and contrast OSI and TCP/IP models1.2 Compare and contrast TCP and UDP protocols1.3 Describe the impact of infrastructure components in an enterprise network 1.3.a Firewalls 1.3.b Access points 1.3.c Wirel...
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NETWORK - created from Mind Map A set of devices (node) connected by media link Criteria Line Configuration
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Packet Switching Individual packets are sent onto the network to follow the most convenient paths at that time When a packet reaches a machine on the network the label is read and, if it is not destined for that machine, the most suit...
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Packet Switching Packet- Small chunk of dataBig data broken down to small chunksIP is source + destination Individual packets are sent on to the network to follow the most convenient paths at that time.Packets end up going different r...
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Networks - created from Mind Map Two or more computers connected together to share info and resources LAN WAN
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VPC Flow Logs VPC Flow Logs VPC Flow Logs is a feature that enables you to capture information about the IP traffic going to andfrom network interfaces in your VPC. Flow log data can be published to Amazon CloudWatch Logs and ...
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Knowing Networks - Fundamentals - created from Mind Map OSI - 7 Layers TCP/IP Model THREE WAY HANDSHAKE TCP - Originating client sends out a packet with a SYN Flag and a Seq Number (X). The server replies with a SYN/ACK and own Seq Number (Y) and an acknowledgement of the ...
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Exam Question 1 Which good practices will you suggest to your family to improve your home computer network? (400 characters maximum) Keep the router near the place where you have most of your devices. Avoid having the rout...
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Untitled 1.0 Network Fundamentals 1.1 Compare and contrast OSI and TCP/IP models 1.2 Compare and contrast TCP and UDP protocols 1.3 Describe the impact of infrastructure components in an enterprise network 1.3.a Firewalls 1.3....
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Networks Networks Topologies Bus Network The Bus Network is a type of network tech in which all of the nodes of the network are connected by a backbone which has two endpoints All data that is transmitted between nodes in the ...
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Ch. 3: Networking Devices 3.1.1 Network Adapters Network Adapter: also known as network interface card (NIC), is a computer component that transmits and receives data over a network. Network adapters are architecture specific. The netwo...
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Redes e internet section 1.1 - 1,4 Sections 1.1-1.4 1) What are the two types of services that the Internet provides to its applications? What are some of characteristics of each of these services? A internet provê infra-estrutura para...
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Untitled Data, Packets and Frames: - each host has an ip address and a MAC address(unique) - each host is connected to a switch, which is a LAN - the switch on one network is connected to a router-which has the ne...
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Computer Networks - created from Mind Map WLAN Wireless Local Area Network LAN : all devices communicate wirelessly Tree Topology Combines bus and star topology If bus cable fails, star will still communicate Widely spread Too much cable Network Topology All ...
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Untitled 1.What data encoding technology is used in copper cables? electrical pulses 2. A cable installation company is trying to convince a customer to use fiber-optic cabling instead of copper cables for a particular jo...
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Networking IPs and MAC addressesIP Address - Internet protocol - each device has its own unique IP address. IP address can change. address acquired by Internet Service Provider(ISP) dynamic host control protocol (DHCP) for inter...
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About introduction to computer networks notes
GoConqr OriginalIntroduction to Computer Networks notes
The notes on this page cover network fundamentals, data packets, switching and topologies. Introduction to Networks is a useful starting point if you want to begin with what a network is. From there, Data Packets and NAT introduces details such as time to live, while Packet Switching describes how packets travel across a network.
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Read a short section, then write down the idea in your own words. Compare your summary with the note and return to any terms you missed. The Network glossary offers another place to review terminology.
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Frequently asked questions
Which note is a good place to start?
Introduction to Networks is a useful first read because it begins with what a network is. If you are already familiar with that idea, Packet Switching offers a more focused look at how data is broken into packets and sent across a network.
What topics do the notes cover?
The listing includes notes on network fundamentals, topologies, packet switching and network terminology. For example, Data Packets and NAT discusses time to live, while Network Topologies starts with a recap of circuit switching. Network glossary offers a place to review terms.
Are these notes free to use?
Yes. Every resource listed here is free to open and study without an account. The notes were made by GoConqr users. A free account also lets you save quiz scores and make your own quizzes, mind maps, flashcards and notes.