Ingeniero

31 Days Before Your CCENT Certification Version 4.1 Update
Scott Bennett

Cisco Press

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800 East 96th Street

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Indianapolis, Indiana 46240 USA

Map to CCNA Discovery 2 Version 4.1 Changes
Introduction
The following sections address the recent update to v4.1 made to the online CCNA Discovery 2 course, Working at a Small-to-Medium Business or ISP. Although most of the content isnot affected, there are small differences you should make note of while using the first printing of 31 Days Before Your CCENT Certification (ISBN: 978-1-58713-217-9) to review for the CCENT (ICND1) exam.

Day 31: Network Components and Operation
No changes in the curriculum affect this chapter.

Day 30: Layered Model Applications
No changes in the curriculum affect this chapter.

Day 29:Layered Model Protocols and Purpose
No changes in the curriculum affect this chapter.

Day 28: Network Diagrams and Components
The following online changes affect this chapter: ❏ ❏ Page 23 references CCNA Discovery 2, Chapter 1.2.3: A Packet Tracer activity has been added to show results from traceroute and ping. Make sure you can interpret these outputs. Page 24 references CCNA Discovery 2,Chapter 3.1.2: A section has been added describing star and mesh topologies. Make sure you can define/identify these various topologies.

Map to CCNA Discovery 2 Version 4.1 Changes 3

Day 27: Troubleshooting and LAN Versus WAN
The following online change affects this chapter: ❏ Page 35 references CCNA Discovery 2, Chapter 5.5.3: This information is now covered in CCNA Discovery 2, Chapter5.4.2.

Day 26: Network Physical Media
No changes in the curriculum affect this chapter.

Day 25: Media Access Control and Segmentation
No changes in the curriculum affect this chapter.

Day 24: Switch Operation
The following online change affects this chapter: ❏ Page 50 references CCNA Discovery 2, Chapter 5.4.1: This information is now covered in CCNA Discovery 2, Chapter 5.5.1.

Day23: Switch Configuration
The following online changes affect this chapter: ❏ Pages 53 to 55 reference CCNA Discovery 2, Chapters 5.4.2 and 5.4.3: This information is now covered in CCNA Discovery 2, Chapters 5.5.3 and 5.5.4.

Day 22: Switch Security
The following online changes affect this chapter: ❏ Pages 57 to 58 reference CCNA Discovery 2, Chapter 5.4.3: This information is now covered inCCNA Discovery 2, Chapter 5.5.4. There are also new sections that further describe switch security and the switchport port-security command.

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31 Days Before Your CCENT Certification, Version 4.1 Update

Day 21: Switch Troubleshooting
The following online change affects this chapter: ❏ Page 61 references CCNA Discovery 2, Chapter 5.4.4: This information is now covered in CCNA Discovery 2,Chapters 5.5.3, 5.5.4, and 5.5.5.

Day 20: IP Addressing
The following online change affects this chapter: ❏ Page 72 references CCNA Discovery 2, Chapter 4.1.6: This information is now covered in CCNA Discovery 2, 4.2.5.

Day 19: Assign Addresses
The following online change affects this chapter: ❏ Page 74 references CCNA Discovery 2, Chapters 5.3.4 and 5.4.3: This information is now coveredin CCNA Discovery 2, Chapters 5.3.4 (with additional basic commands) and 5.5.4.

Day 18: NAT
The following online changes affect this chapter: ❏ ❏ Page 78 references CCNA Discovery 2, Chapter 4.2.5: This section now includes a discussion of how IPv6 solves many issues with NAT. Pages 79 to 80 reference CCNA Discovery 2, Chapter 5.3.8: This section has added the command show ip nat statistics tothe list of commands available to verify NAT.

Day 17: DNS Operation
No changes in the curriculum affect this chapter.

Day 16: Private Networks and NAT
The following online change affects this chapter: ❏ Page 86 references CCNA Discovery 2, Chapters 5.2.4 and 5.2.5: This information is now covered in CCNA Discovery 2, 5.2.4.

Map to CCNA Discovery 2 Version 4.1 Changes 5

Day 15:...