1. Identify the factors that contribute to congestion on an Ethernet LAN. (Choose three.) • improper placement of enterprise level servers • addition of hosts to a physical segment replacement of hubs with workgroup switches • increasing use of bandwidth intensive network applications migration to full-duplex Ethernet within the LAN 2. Which of the following are examples of TCP/IP application layer protocols? (Choose three.) • a terminal emulation protocol that supports remote console connections with various network devices a protocol created by IBM that makes it easier for mainframes to connect to remote offices • a protocol responsible for transporting electronic mail on TCP/IP networks and the Internet a protocol that controls the rate at which data is sent to another computer • a protocol that exchanges network management information between a network device and a management console 3. Which of the following eliminates switching loops? hold-down timers poison … [Read more...]

1. A network administrator is asked to design a system to allow simultaneous access to the Internet for 250 users. The ISP for this network can only supply five public IPs. What can be used to accomplish this task? routable translation dynamic translation static translation • port address translation 2. The LAN attached to the Ethernet interface of the Raleigh router shown in the graphic is addressed with private IP addresses. If one public IP is assigned to the company, which commands could be used in a configuration that allows all devices with private IPs in this network to access the Internet? (Choose two.) • ip nat inside source list 1 interface serial0 overload ip nat outside source list 1 interface serial0 overload ip nat inside serial0 • ip nat inside source list 1 pool Raleigh overload ip nat inside Raleigh overload ip inside nat source list 1 interface serial0 Raleigh 3. The command output shown in the graphic was taken from a Cisco 806 broadband router. Which kind … [Read more...]