Sgrgg

CISCO 1

CHAPTER 1

Some forms of communication include:

* Instant Messaging (IM) / Texting – IM and texting both enable instant real-time communication between two or more people. Many IM and texting applications incorporate features such as file transfer. IM applications can offer additional features such as voice and video communication.

* Social Media – Social media consists of interactive websites where people and communities create and share user-generated content with friends, family, peers, and the world.

* Collaboration Tools - Collaboration tools give people the opportunity to work together on shared documents. Without the constraints of location or time zone, individuals connected to a shared system can speak to each other, often across real-time interactive video.

* Weblogs (blogs) - Weblogs are web pages that are easy to update and edit. Unlike commercial websites, which are created by professional communications experts, blogs give anyone a means to communicate their thoughts to a global audience without technical knowledge of web design.

* Wikis - Wikis are web pages that groups of people can edit and view together. Whereas a blog is more of an individual, personal journal, a wiki is a group creation. As such, it may be subject to more extensive review and editing.

* Podcasting - Podcasting is an audio-based medium that originally enabled people to record audio and convert it for use. Podcasting allows people to deliver their recordings to a wide audience.

* Peer-to-Peer (P2P) File Sharing – Peer-to-Peer file sharing allows people to share files with each other without having to store and download them from a central server. The user joins the P2P network by simply installing the P2P software.

The network infrastructure contains three categories of network components:

* Devices

* Media

* Services

Some examples of end devices are:

* Computers (work stations, laptops, file servers, web servers)

*...