HANDS-ON ACTIVITY 9A Examining Wide Area Neworks There are millions of WANs in the world. Some are run by common carriers and are available to the public. Others are private networks run by organizations for their internal use only. Thousands of these networks have been documented on the Web. figure shows the circuits running at 100 Gbps that connect major cities in the United States. Zayo has a much larger network that includes portions that run slower than 100 Gbps, but the network has hundreds of sites and is too hard to show in one figure Explore the Web to find networks offered by common carriers and compare the types of network circuits they Deliverable have. Now do the same for public and private organiza- Print or copy two different WAN maps. Does the WAN use tions to see what they have. Figure 9-13 shows the network only one type of circuits, or are there a mix of technologies map for Zayo, a large common carrier (see zayo.com). This in use? HANDS-ON ACTIVITY 9A Examining Wide Area Neworks There are millions of WANs in the world. Some are run by common carriers and are available to the public. Others are private networks run by organizations for their internal use only. Thousands of these networks have been documented on the Web. figure shows the circuits running at 100 Gbps that connect major cities in the United States. Zayo has a much larger network that includes portions that run slower than 100 Gbps, but the network has hundreds of sites and is too hard to show in one figure Explore the Web to find networks offered by common carriers and compare the types of network circuits they Deliverable have. Now do the same for public and private organiza- Print or copy two different WAN maps. Does the WAN use tions to see what they have. Figure 9-13 shows the network only one type of circuits, or are there a mix of technologies map for Zayo, a large common carrier (see zayo.com). This in use