CCENT/CCNA ICND1 Official Exam Certification Guide - Chapter 14 docx

... route commands in each example in this chapter. Example 1 4-6 , later in this chapter, provides more detailed comments about the show ip route command’s output. Example 1 4-2 Albuquerque Pings—Works ... demonstrated in Example 1 4-2 . Note that this example assumes that Albuquerque still only knows the three connected routes shown in Example 1 4-1 . NOTE To be well prepared for...

Ngày tải lên: 14/08/2014, 15:21

... applications from getting packets into the Enterprise. Figure 6-1 4 Typical Enterprise Internet Connection with a Firewall Figure 6-1 4 might give an average employee of the Enterprise a false sense ... applications use a well-known port number so that clients know which port to attempt to connect to. Table 6-3 lists several popular applications and their well-known port numbers. Tab...

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... (SSID), Wi-Fi Alliance, Wi-Fi Protected Access (WPA), wired equivalent privacy (WEP), WLAN client, WPA2 Table 1 1-1 1 Key Topics for Chapter 11 Key Topic Element Description Page Number Table 1 1-2 WLAN ... read the entire chapter. If you miss no more than one of these nine self-assessment questions, you might want to move ahead to the Exam Preparation Tasks” section. Table 1 1-1...

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Ngày tải lên: 06/07/2014, 06:39

... For example, a Table 1 6-4 Comparing Circuits and Packet Switching Feature Circuits Packet Switching Service implemented as OSI layer . . . 1 2 Point-to-point (two devices) or more Point-to-point ... pieces. This cell-creation process involves breaking up a data link layer frame into 48-byte-long segments. Each segment is placed in a cell along with the 5-byte header. Figure 1 6-5 show...

Ngày tải lên: 06/07/2014, 06:41

... Certification. 2. Computer net- works Examinations Study guides. I. Title. QA76.3.O358 2007 004.6 dc22 2007029241 ISBN-13: 97 8-1 -5 872 0-1 8 2-0 ISBN-10: 1-5 872 0-1 8 2-8 Warning and Disclaimer ... classes geared toward passing the CCNA exam. About the CCENT/CCNA ICND1 Official Exam Certification Guide and CCNA ICND2 Official Exam Certification G...

Ngày tải lên: 14/08/2014, 15:21

... Fundamentals Chapter 1 Introduction to Computer Networking Concepts Chapter 2 The TCP/IP and OSI Networking Models Chapter 3 Fundamentals of LANs Chapter 4 Fundamentals of WANs Chapter 5 Fundamentals ... understanding of what is behind that wall plug in both cases shown in Figure 1-1 . The CCNA exams, and particularly the ICND1 (64 0-8 22) exam, focus on two major branche...

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... surprisingly, the CCNA exams focus heavily on TCP/IP. 1828xbook.fm Page 17 Thursday, July 26, 2007 3:10 PM 18 Chapter 2: The TCP/IP and OSI Networking Models The ICND1 exam, and the ICND2 exam to a small ... Topics for Chapter 2 Description Page Number Table 2-3 Provides definitions of same-layer and adjacent-layer interaction 26 Figure 2-5 Depicts the data-link services provided...

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... shown in Figure 3-1 4. Figure 3-1 4 LAN Header Formats Most of the fields in the Ethernet frame are important enough to be covered at some point in this chapter. For reference, Table 3-5 lists the ... circuit. OSI Layer 2 for Point-to-Point WANs: This section introduces the data link layer protocols used on point-to-point leased lines, namely HDLC and PPP. Frame Relay and Packet-Sw...

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... accomplished, as shown in Figure 4-2 . Figure 4-2 Conceptual View of Point-to-Point Leased Line Keep in mind that Figure 4-2 provides a conceptual view of a point-to-point WAN link. In concept, the ... you have a point-to-point serial link. This type of connection between two routers sometimes is called a back-to-back serial connection. Figure 4-5 shows the cabling for a back-to-bac...

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