Cisco offers many types of services to their customers. Cisco sells security equipment and computer software as well. These two services is what makes Cisco thrive as a business.
Question is not clear. Are you asking about the media type (fiber, CAT6), equipment (switch, router), or manufacturer of equipment (Cisco, Juniper)?
Cisco 1811 is a piece of computer equipment. Cisco 1811 is a router that are predominantly focused on ethernet access for laptops and desk top computers.
The Cisco Net Academy offers networking and computer courses. Information Technology courses are also available as well as courses in network security.
In North and South America, a network of independent representatives and factory sales reps sells and supports Liebert brand equipment from Emerson Network Power. You can locate your rep using this page: http://www.liebert.com/common/MapLocation.aspx?type=rep_lookup In addition, various IT solutions providers (resellers), dealers and distributors like CDW, Dell and Cisco represent Liebert solutions.
Cisco is a company that revolves around the internet, they offer employment opportunities to graduates and internships. They have employment openings in account management, systems engineering, project management, human resources and network engineering.
The type of products that Body Solid manufacture are called high quality commercial fitness equipment, weights, and other accessories for one's home fitness activity.
The company Laserline manufactures many types of equipment. These types of equipment includes Wing Plow Laser's, Series Power Converters, and many more.
You can create a hierarchial network using pretty much any type of networking equipment. No special equipment is required or needed, although if you are building a massive network, do consider at least Gbit interfaces and thus CAT6 cables.
Cisco 2800 series is a hardware router that comes with 4 platforms, performs much better than its predecessors, provides secure network connectivity for data, voice and video information.
Black Diamond manufactures a wide range of sports equipment for climbing, skiing, and mountaineering. The company is based in Utah with offices Switzerland and China.
Elcometer is a company that manufactures a wide variety of products including concrete inspection equipment and metal detectors. Their inspection equipment is capable of detecting location of rebar, concrete hardness, and more.
DSC manufactures card, secuirty, and fire access equipment. They also manufacture hardwired and addressable control panels, alarm devices, and central station receivers.