Take the quiz (either here or use the PTP software) if you want to use the score to help you decide how much time to spend on this chapter. Appendix A, “Answers to the ‘Do I Know This Already?’ Quizzes,” found at the end of the book, includes both the answers and explanations. You can…
Category: Csico Virtualization
Traceroute is another helpful piece of network diagnostics software installed on most hosts. Traceroute takes advantage of the TTL in each IP packet to find the path between the local host and a destination. If you run a traceroute from host A in Figure 4-16 toward E: 1. The traceroute application at A will send…
Figure 10-4 shows the center-right module of the ISR. Figure 10-4 ISR Center-Right Ports This set of ports and the one to the left of them are replaceable, as you might expect, because of the screws on either end of the module. Each router with replaceable modules uses different terminology, such as NIM, 5M slot…
Table 9-3 lists the key topics for this chapter. Table 9-3 Key Topics for Chapter 9 Key Terms You Should Know Key terms in this chapter include: bandwidth throughput goodput delay jitter speed test iPerf Concepts and Actions Review the concepts considered in this chapter using Table 9-4. You can cover the right side of…
A command-line interface ( CLI) is interactive: the user types commands, and the host returns some response, usually text. Network engineers tend to work with CLIs more than GUIs because • CLIs tend to respond more quickly. • CLIs require fewer resources so they can be implemented in a broader range of devices. • Text…
Open the System Preferences app and select the Network icon. Figure 4-8 illustrates the resulting dialog. Figure 4-8 The macOS Network Configuration Dialog For the wired connection, select either the Ethernet port or a port labeled LAN (Local Area Network). Fields of note include • IPv4 Address: The IPv4 address assigned to the interface. •…
Like most other hosts, Apple Macintosh computers have a command line you can use to examine and configure network parameters. You can typically find an application called Terminal under Applications, Utilities in the Finder app. Once you have launched the terminal, you can display the network configuration using ifconfig, as shown in Figure 4-10. Figure…