Alexander's death in 323 B.C caused his vast empire to fragment. You meet the father and son who created the largest Indian empire that would be seen until the establishment of the modern Indian nation in 1947.

Greece's most famous city-state is often praised for its creation of democracy. You examine the origins of that system and discover some surprising revelations, including the seminal role played by an instance of spurned affection and perhaps the earliest example of stuffing a ballot box.

CompTIA IT Fundamentals+ Course | Module 2 Part 5: Binary Notation

How do fake information and stereotypes combine to produce an especially damaging type of misinformation? Fake information, including fake social media accounts, fake chat messages, and fake reviews, can infiltrate our electronic lives. See how stereotypes can magnify the damage done by fake information, and consider the difficult questions presented by the human tendency toward bias.

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Consider what it must have been like to be among the very first historians, not only practicing your art, but having to define it and its standards, as well. See how fundamental questions about writing history were answered by Herodotus, Thucydides, and Sima Qian.

Part 41 of C# .NET Bootcamp: Polymorphism

Part 18 of C# .NET Bootcamp: ⁣Console Input and Output

From 1955 to 1975, the Japanese economy grew more than 435% - an astonishing rate that economists refer to as "the Japanese Miracle." Take a closer look at the six factors that led to this unprecedented growth, including the country's cheap and motivated workforce, as well as the critical influence of the United States.

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Ibn Sina-or Avicenna-is arguably the most important philosopher in Islamic history, as well as one of the most influential thinkers of all time. Find out what makes him such an important figure in the history of philosophy, and how he built on the tradition of Aristotle. Then shift your attention to his arguments in the realms of ontology and cosmology.

Here, learn how a little-known 18th-century alliance in the Middle East came to have profound reverberations in our contemporary world. Study the pact between a desert ruler and a religious reformer that initiated a structure of political and religious power that continues to dominate the modern kingdom of Saudi Arabia.

OSN-K Informatika 2024

Part 0⁣5 of Computer Networking Fundamentals: Demarcs and Perimeter Networks

Demarcation and Perimeter Networks

At the end of this episode, I will be able to:

1. Describe the characteristics and importance of demarcation points and perimeter networks.

Learner Objective: Describe the characteristics and importance of demarcation points and perimeter networks.

Description: In this episode, the learner will explore what demarcation points and perimeter networks are as well as what the importance of these technologies are in networking.

• Introduction to Network Infrastructure
  • Demarcation point - The physical point that a carrier's network connection ends and a private network starts (think network boundaries). The term demarcation is often abbreviated demarc.
    • Types of demarcation points
      • Residential - These are utilized in homes, either at the first socket (typically the kitchen) or a junction box on the exterior of the house
      • Business - These demarcation points are either installed on the exterior of the building, or the carrier will install a specialized device within the interior of the building at a main distribution frame (think server closet/datacenter)
    • Demarcation wiring runs either overhead or underground
    • A demarc is important to understand in networks today as this marks the point of responsibility for networked components and service. The carrier's network up to the demarc is the responsibility of the carrier, however the demarc point that connect on the residential or business side is the responsibility of the subscriber.
    • Demarc connections can be fiber, coaxial or PSTN lines
  • Perimeter Network (Screened Subnets) - A logical boundary between a privately owned network and the Internet. There are other names for perimeter networks such as demilitarized zone (DMZ), screened subnet and edge network.
    • Purpose
      • Security - A companies internal network must remain secure and not allow public access. Most organizations will install security devices in the perimeter network to control the flow of inbound and outbound traffic such as firewalls, intrusion detection systems (IDSs), intrusion prevention systems, honeypots or devices called unified threat management systems (UTM) which combine all the previous devices' functionality into one centralized device.

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