Michael Valentine's CCNA Exam Cram (Exam 640-802) PDF

By Michael Valentine

ISBN-10: 0789737124

ISBN-13: 9780789737120

CCNA® examination Cram

Third Edition

Michael Valentine

Andrew Whitaker

Exam 640-802

The good way to Study™

“The CCNA examination is tough and that i shouldn't have handed it if i didn't have this e-book with me. The CCNA examination Cram is an imperative source that guided me from the advent of networking basics to the appliance of networking theories. even if you want to study from scratch or simply desire a fast reference, this booklet is a superb advisor that would certainly make stronger your wisdom of Cisco networking and get ready you for the CCNA.” –Vincent Gov, CCNA

In this publication, you learn the way to:

Develop excellent fluency in subnetting
Connect Cisco® apparatus, make preliminary configurations, and attach to different units to construct a network
Configure Cisco routers and again up and fix your Cisco IOS® software program configurations
Explain the capabilities of Ethernet switching and the Spanning Tree Protocol (STP)
Configure PPP and body Relay for WAN connectivity
Understand and follow instant LAN concepts
Mitigate community safeguard threats and safe community devices
Build scalable routed structures utilizing dynamic routing protocols together with RIPv2, EIGRP, and OSPF
Create VLANs and distribute VLAN info utilizing the VLAN Trunking Protocol (VTP)
Filter site visitors from one community to a different with entry keep watch over lists (ACL)
Understand and enforce IPv6

Deploy community deal with Translation (NAT)

WRITTEN by way of CCNA Experts!

Mike Valentine has been within the IT box for 12 years, targeting community layout and implementation. he's presently a Cisco coach with Skyline complex know-how prone and makes a speciality of Cisco Unified Communications guideline in addition to CCNA® and CCNP® courses.

Andrew Whitaker is the director of firm InfoSec and networking and senior education teacher for education Camp. He has accomplished numerous Cisco certifications and has written on numerous Cisco topics.

CD gains new simulation questions!

This e-book encompasses a CD-ROM that features:

Complete assurance of CCNA examination objectives
Realistic examination questions for potent practice
Detailed motives of right and fallacious answers
Multiple examination modes
Flash Card format

An digital replica of the book

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Additional resources for CCNA Exam Cram (Exam 640-802)

Sample text

Practice, practice, practice! IP Address Components CCNA candidates need to be fluent in their understanding of IP addressing concepts. The following sections detail how IP addresses are organized and analyzed, with a view to answering subnetting questions. Address Class Early in the development of IP, the IANA (Internet Assigned Numbers Authority) designated five classes of IP address: A, B, C, D, and E. These classes were identified based on the pattern of high-order bits (the high-value bits at the beginning of the first octet).

If the subnets are 64 IP addresses apart, this means that the first subnet starts at 0, the next one starts at 64, the third at 128, and the fourth at 192â all multiples of the Increment. Note that if we add another 64 to that last 192, we get 256â and that is larger than 255, the largest value that is possible in one octet. So this means we only have room for four subnets. 5. Subnets created with Increment of 64. The multiples of the Incrementâ 0, 64, 128, and 192â are the starting addresses of the subnets we created.

This system enables the transport layer to multiplex connectionsâ meaning, support multiple connections between the same two hosts. To understand this better, let's say that Host A wants to start a Telnet session to Server Z. A will send a segment to Z's IP address, with the destination port of 23 and a random source port number (generated by the host operating system) from the dynamic rangeâ let's choose 55440. When Server Z receives the segment, it looks at the destination port of 23 and realizes that this segment is intended for its Telnet application, so it sends the data (which, in this case, is a request to start a Telnet session) to its Telnet application.

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