This chapter discusses telecommunications, networking technologies, the Internet, and wireless systems. It covers the components of networks, transmission media, protocols like TCP/IP, digital/analog signals, network types, and physical layers. The chapter also explains how the Internet works, including addressing, domains, architecture/governance. Finally, it addresses wireless devices, cellular standards, and wireless networking technologies like Bluetooth and Wi-Fi that provide mobile Internet access.
Management information system. Computer network , network in large companies. TCP/IP , functions of the modem, types of network , client server vs peer to peer. the internet and the internet technology ,
This course introduces students to issues in IT infrastructu.docxchristalgrieg
This course introduces students to issues in IT infrastructure.The course will cover computer and system architecture, and communication networks:
Infrastructure architecture
Organizational structure
Security
Metrics
Capacity PlanningThe course also focuses on the best practices employed in IT Infrastructure management, resource estimating, compliance and business continuity.
Course Description
*
7-*
IT INFRASTRUCTURE OVERVIEW
IT infrastructure - includes the hardware, software, and telecommunications equipment that, when combined, provide the underlying foundation to support the organization’s goalsClient/server networks, the Internet, and n-tier infrastructures are central to an organization’s IT infrastructureThe three primary components of any IT infrastructure include:
Client/server networks
Internet
N-tier infrastructures
Computer Networks:Arguably, the greatest advancement in technology and communication over the past 20 years has been the development and advancement of the “computer network”. From emailing a friend to on-line bill paying to downloading data off the Internet to e-commerce, networking has made our world much smaller and changed the way we communicate forever.
What is Network: a system containing any combination of computers, computer terminals, printers, audio or visual display devices, or telephones interconnected by telecommunication equipment or cables: used to transmit or receive information.
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The Network Diagram
The Internet
Other LANS
Firewall
Router
Fiber Optic Network Cable
Server
PC
Wireless Network
Wired Network
Switch
*
I wanted to present this diagram to help the viewer visually understand how a computer network was set-up. I linked each component to the same text links throughout the project.
Some network appse-mailwebtext messagingremote loginP2P file sharingmulti-user network gamesstreaming stored video (YouTube, Hulu, Netflix)
voice over IP (e.g., Skype)real-time video conferencingsocial networkingsearch……
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Types of Networks
LAN Local Area Network
WAN Wide Area Network
MAN Metropolitan Area Network
PAN Personal Area Network
SAN Storage Area Network
GAN Global Area Network
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I used this slide as a Introduction to the different types of networks. I tried to let the graphics do the talking on this slide. I elaborated more on each network type on subsequent slides.
Local Area NetworkA Local Area Network spans a relatively small areaLANs are usually confined to one building or a group of buildings Data travel between network devices via network cablesThe most common type of Local Area Network is called Ethernet
*
I kept the graphic the same as the previous graphic representing the Local Area Network in hopes of creating a degree familiarity. I also include some basic facts about it.
Wide Area NetworkA Wide Area Network exist over a large geographical area Data travels through telephone or cable lines across networks Usually requires a Mod ...
Management information system. Computer network , network in large companies. TCP/IP , functions of the modem, types of network , client server vs peer to peer. the internet and the internet technology ,
This course introduces students to issues in IT infrastructu.docxchristalgrieg
This course introduces students to issues in IT infrastructure.The course will cover computer and system architecture, and communication networks:
Infrastructure architecture
Organizational structure
Security
Metrics
Capacity PlanningThe course also focuses on the best practices employed in IT Infrastructure management, resource estimating, compliance and business continuity.
Course Description
*
7-*
IT INFRASTRUCTURE OVERVIEW
IT infrastructure - includes the hardware, software, and telecommunications equipment that, when combined, provide the underlying foundation to support the organization’s goalsClient/server networks, the Internet, and n-tier infrastructures are central to an organization’s IT infrastructureThe three primary components of any IT infrastructure include:
Client/server networks
Internet
N-tier infrastructures
Computer Networks:Arguably, the greatest advancement in technology and communication over the past 20 years has been the development and advancement of the “computer network”. From emailing a friend to on-line bill paying to downloading data off the Internet to e-commerce, networking has made our world much smaller and changed the way we communicate forever.
What is Network: a system containing any combination of computers, computer terminals, printers, audio or visual display devices, or telephones interconnected by telecommunication equipment or cables: used to transmit or receive information.
*
The Network Diagram
The Internet
Other LANS
Firewall
Router
Fiber Optic Network Cable
Server
PC
Wireless Network
Wired Network
Switch
*
I wanted to present this diagram to help the viewer visually understand how a computer network was set-up. I linked each component to the same text links throughout the project.
Some network appse-mailwebtext messagingremote loginP2P file sharingmulti-user network gamesstreaming stored video (YouTube, Hulu, Netflix)
voice over IP (e.g., Skype)real-time video conferencingsocial networkingsearch……
*
Types of Networks
LAN Local Area Network
WAN Wide Area Network
MAN Metropolitan Area Network
PAN Personal Area Network
SAN Storage Area Network
GAN Global Area Network
*
I used this slide as a Introduction to the different types of networks. I tried to let the graphics do the talking on this slide. I elaborated more on each network type on subsequent slides.
Local Area NetworkA Local Area Network spans a relatively small areaLANs are usually confined to one building or a group of buildings Data travel between network devices via network cablesThe most common type of Local Area Network is called Ethernet
*
I kept the graphic the same as the previous graphic representing the Local Area Network in hopes of creating a degree familiarity. I also include some basic facts about it.
Wide Area NetworkA Wide Area Network exist over a large geographical area Data travels through telephone or cable lines across networks Usually requires a Mod ...
Multi-cluster Kubernetes Networking- Patterns, Projects and GuidelinesSanjeev Rampal
Talk presented at Kubernetes Community Day, New York, May 2024.
Technical summary of Multi-Cluster Kubernetes Networking architectures with focus on 4 key topics.
1) Key patterns for Multi-cluster architectures
2) Architectural comparison of several OSS/ CNCF projects to address these patterns
3) Evolution trends for the APIs of these projects
4) Some design recommendations & guidelines for adopting/ deploying these solutions.
Bridging the Digital Gap Brad Spiegel Macon, GA Initiative.pptxBrad Spiegel Macon GA
Brad Spiegel Macon GA’s journey exemplifies the profound impact that one individual can have on their community. Through his unwavering dedication to digital inclusion, he’s not only bridging the gap in Macon but also setting an example for others to follow.
1.Wireless Communication System_Wireless communication is a broad term that i...JeyaPerumal1
Wireless communication involves the transmission of information over a distance without the help of wires, cables or any other forms of electrical conductors.
Wireless communication is a broad term that incorporates all procedures and forms of connecting and communicating between two or more devices using a wireless signal through wireless communication technologies and devices.
Features of Wireless Communication
The evolution of wireless technology has brought many advancements with its effective features.
The transmitted distance can be anywhere between a few meters (for example, a television's remote control) and thousands of kilometers (for example, radio communication).
Wireless communication can be used for cellular telephony, wireless access to the internet, wireless home networking, and so on.
APNIC Foundation, presented by Ellisha Heppner at the PNG DNS Forum 2024APNIC
Ellisha Heppner, Grant Management Lead, presented an update on APNIC Foundation to the PNG DNS Forum held from 6 to 10 May, 2024 in Port Moresby, Papua New Guinea.
This 7-second Brain Wave Ritual Attracts Money To You.!nirahealhty
Discover the power of a simple 7-second brain wave ritual that can attract wealth and abundance into your life. By tapping into specific brain frequencies, this technique helps you manifest financial success effortlessly. Ready to transform your financial future? Try this powerful ritual and start attracting money today!
# Internet Security: Safeguarding Your Digital World
In the contemporary digital age, the internet is a cornerstone of our daily lives. It connects us to vast amounts of information, provides platforms for communication, enables commerce, and offers endless entertainment. However, with these conveniences come significant security challenges. Internet security is essential to protect our digital identities, sensitive data, and overall online experience. This comprehensive guide explores the multifaceted world of internet security, providing insights into its importance, common threats, and effective strategies to safeguard your digital world.
## Understanding Internet Security
Internet security encompasses the measures and protocols used to protect information, devices, and networks from unauthorized access, attacks, and damage. It involves a wide range of practices designed to safeguard data confidentiality, integrity, and availability. Effective internet security is crucial for individuals, businesses, and governments alike, as cyber threats continue to evolve in complexity and scale.
### Key Components of Internet Security
1. **Confidentiality**: Ensuring that information is accessible only to those authorized to access it.
2. **Integrity**: Protecting information from being altered or tampered with by unauthorized parties.
3. **Availability**: Ensuring that authorized users have reliable access to information and resources when needed.
## Common Internet Security Threats
Cyber threats are numerous and constantly evolving. Understanding these threats is the first step in protecting against them. Some of the most common internet security threats include:
### Malware
Malware, or malicious software, is designed to harm, exploit, or otherwise compromise a device, network, or service. Common types of malware include:
- **Viruses**: Programs that attach themselves to legitimate software and replicate, spreading to other programs and files.
- **Worms**: Standalone malware that replicates itself to spread to other computers.
- **Trojan Horses**: Malicious software disguised as legitimate software.
- **Ransomware**: Malware that encrypts a user's files and demands a ransom for the decryption key.
- **Spyware**: Software that secretly monitors and collects user information.
### Phishing
Phishing is a social engineering attack that aims to steal sensitive information such as usernames, passwords, and credit card details. Attackers often masquerade as trusted entities in email or other communication channels, tricking victims into providing their information.
### Man-in-the-Middle (MitM) Attacks
MitM attacks occur when an attacker intercepts and potentially alters communication between two parties without their knowledge. This can lead to the unauthorized acquisition of sensitive information.
### Denial-of-Service (DoS) and Distributed Denial-of-Service (DDoS) Attacks