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CCNA ICND2 Official Exam Certification Guide, Second Edition, is an The following appendixes are available in PDF format on the CD that accompanies this. mark. ii CCNA Routing and Switching ICND2 Official Cert Guide This PDF appendix lists two cross references: one with a list of the exam topics. CCNA ICND2 official exam certification guide / Wendell Odom. The following appendixes are available in PDF format on the CD that accompanies this book.

Ccna Icnd2 Official Exam Certification Guide Pdf

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CCNA ICND2 Official Exam Certification Guide, Second Edition, presents you with an organized test preparation routine through the use of. CCNA ICND2 Official Cert Guide, 3rd - Download as PDF File information about the Cisco ICND2 () and CCNA () exams . CCNA ICND2 Official Exam Certification Guide (CCNA Exams and ) (2nd Edition): Computer Science Books @

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Visit www. Transition Plan New and updated training courses will roll out beginning in June Imagine that the question tells you to use the smallest subnet least number of hosts to meet that requirement.

Network Step 3 Make a list of existing subnet IDs and matching subnet broadcast addresses. For Step 1.

For Step 2. Step 4 Rule out overlapping new subnets by comparing the lists from the previous two steps. Table shows the results. Variable Length Subnet Masks addresses of Table denotes those subnets with gray highlights.

Simply compare the range of numbers for the subnets in the previous two tables. Table summarizes that information. Step 5 has more to do with the exam than with real network design.

You will not use all these subnets. Multiple-choice questions sometimes need to force you into a single answer. To do so. To perform the similar but more involved design work when using VLSM.

For the exam. You should also know how to list. He tells you that the new subnet ID must be part of class A network NOTE The answer. Pick the one subnet ID you would plan to use based on each of the following mask choices by the boss: Variable Length Subnet Masks all the subnets of a classful network.

How many host IP addresses do you need in each case? How much growth do you expect? How many subnets do you need of each size? Mask Other masks also meet that requirement. Chapters 16 and Many companies settle on somewhere between two and four different masks as a compromise.

CCNA ICND2 Official Exam Certification Guide, Second Edition

Although using a dozen masks might let you save lots of addresses. To choose the masks in real life. If using that one mask throughout the network. To create a subnet plan with VLSM. This section discusses how to apply those same concepts when you allow the use of multiple masks. With VLSM design. This section walks through the VLSM subnet design process. In the more theoretical world of exam preparation, you can typically expect a cleaner view of the world, which makes the discussion in this book more objective.

Figure shows requirements for the number of host IP addresses; all you have to do then is pick a mask to meet the requirements for each size subnet as a separate problem, and note the number of subnets you need to create for each size. For the exam, the question might give some guidance that leads you to a single answer, like asking you to choose a mask that meets the goal and uses the least host bits. With Figure , using the least host bits, you would choose these three masks:.

Find subnets with requirements for similar numbers of hosts, like the three sizes of subnets in Figure 5- 4. The, choose a small number of masks to use for those different sizes of subnets, as summarized in the list for this particular example. Which subnets could the engineer have chosen?

This section explores how to answer these questions and how to go about choosing subnets. To show you why, we continue the example based in part on Figure The WAN team has already used subnets How can you avoid making such mistakes?

Admittedly, the WAN team could not have been any more shortsighted in this contrived example. Regardless, it shows how a small subnet assignment can prevent you from having a larger subnet available.

You should always strive to keep large holes open in your address space in anticipation of assigning large subnets in the future. Rather than start with a formal process, this section shows an example. Then it takes one of those unused subnets and further subdivides it—sub-subnets it if you prefer—to make the next smaller size of subnets. This example uses the following requirements; they are the same requirements shown earlier in Figure Then, pick two subnets, because the requirements say that you need two.

Figure shows a representation of these four subnets and the fact that two are allocated for use. Use Use Free Free When choosing subnets for the next smaller size subnet, you have to avoid the range of addresses in these subnets.

In this case, these two subnets consume half the Class B network: The numerically lowest subnet ID that could possibly be used for the next to-be-allocated subnet, and not overlap, is For instance, in this case, the next large subnet ID in sequence is The process continues until you go through every different mask. Figure updates.

CCNA ICND2 Official Exam Certification Guide (CCNA Exams 640-816 and 640-802), 2nd Edition

In this example. To proceed. Figure Subdividing To summarize what actions we took so far in choosing and assigning subnets on paper in this example. Figure shows the idea of what subnets exist in this range. Subnet IDs are At this point. That is. Step 1 Analyze the requirements for the number of hosts and subnets. For completeness. Table lists the problems. Step 3 Repeat Step 2 for each mask. Variable Length Subnet Masks from the largest subnets to smallest subnets.

The following practice problems help with that process. Always choose the numerically lowest subnet IDs if you want your answer to match what is listed at the end of this chapter. To answer these problems. Appendix K. Table lists a reference of these key topics and the page numbers on which each is found.

Note that the tables that list details of the answer reordered the subnets as part of the process. Part A. In Problem 1. Appendix G Scenario 1.

Note that the second and third subnets do not overlap with each other. Answers to Earlier Practice Problems the third subnet. Table lists those subnet IDs and subnet broadcast addresses. Step 5 Step 2 The subnets would be Table First 14 Subnets of Network Table 5- 13 highlights the overlapped subnets.

To complete the task at Step 5. For Step 4.

Table shows the results of Step 2. Problem 4 The answer for this problem requires more detail than others. For this problem. Table 5- 14 highlights the overlapped subnets. Problem 1 For Problem 1. You would also then mark the next subnet.

Following the rule to choose the numerically lowest subnet IDs. Table First 12 Subnets of Network Starting with the subnet ID that will be sub-subnetted Starting at Problem 2 For Problem 2.

Answers to Earlier Practice Problems For the next mask. For the next mask. Of these. The fourth will be sub-subnetted at the next step. IPsec VPN.

CCNA ICND2 640-816 Official Cert Guide

Index A matching. IP routing. EtherChannel ip access-group 1. LAN switching. Frame Relay distance vector routing protocols. IPsec VPNs. Frame Relay. EIGRP metric authentication. Layer 1 issues on access links. Init state OSPF neighbors. NAT partially meshed networks. Redirect ICMP messages. Frame Relay self-assessment.

VLAN trunking. Frame Relay address ip address interface command. NAT inside local addresses. IP support. LANs local area networks implementing.

Frame Relay planning subnets. TCP numbers. SSH Secure Shell. Frame Relay address show ipv6 interface command. IP routing static routes. BPDU Guard. Listening State. IPv6 SVC switched virtual circuits.

Layer 3 problems. PC1 broadcasts. Flag for inappropriate content. Related titles. Jump to Page. Search inside document. Designing a Subnetting Plan Using VLSM In the more theoretical world of exam preparation, you can typically expect a cleaner view of the world, which makes the discussion in this book more objective.

With Figure , using the least host bits, you would choose these three masks: Variable Length Subnet Masks choose? When assigning subnets, follow this strategy: Hernaldo Jose Cruz Jarquin. Nocvato Malio. Shiva prasad. Gonzalo Olavarria Arriagada.

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All rights reserved. Join Sign In. View Larger Image. Part of the Official Cert Guide series. Premium Website Sorry, this book is no longer in print. Not for Sale. Description Sample Content Updates.

Copyright Edition: Errata Download the errata Submit Errata. Unlimited one-month access with your purchase. See Details. About Affiliates Cisco Systems, Inc.This example uses the following requirements; they are the same requirements shown earlier in Figure To do so. This book does not review subnetting or the underlying math. The process continues until you go through every different mask.