CCNA Exam Cram (Exam 640-802) by Michael Valentine

By Michael Valentine

CCNA® examination Cram

Third Edition


Michael Valentine

Andrew Whitaker


Exam 640-802


The good way to Study™


“The CCNA examination is hard and that i do not have handed it if i didn't have this booklet with me. The CCNA examination Cram is an vital source that guided me from the advent of networking basics to the applying of networking theories. even if you want to study from scratch or simply want a quickly reference, this booklet is a wonderful advisor that might certainly strengthen your wisdom of Cisco networking and get ready you for the CCNA.”  –Vincent Gov, CCNA


In this publication, you learn the way to:

  • Develop ideal 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 features of Ethernet switching and the Spanning Tree Protocol (STP)
  • Configure PPP and body Relay for WAN connectivity
  • Understand and observe instant LAN concepts
  • Mitigate community safety threats and safe community devices
  • Build scalable routed structures utilizing dynamic routing protocols together with RIPv2, EIGRP, and OSPF
  • Create VLANs and distribute VLAN details utilizing the VLAN Trunking Protocol (VTP)
  • Filter site visitors from one community to a different with entry regulate lists (ACL)
  • Understand and enforce IPv6

Deploy community tackle 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 complicated expertise providers and focuses on Cisco Unified Communications guideline in addition to CCNA® and CCNP® courses.


Andrew Whitaker is the director of company InfoSec and networking and senior education teacher for education Camp. He has completed numerous Cisco certifications and has written on a number of Cisco topics.


CD gains new simulation questions!

This booklet features a CD-ROM that features:

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

An digital reproduction of the book




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Extra info for CCNA Exam Cram (Exam 640-802)

Sample text

This gets easier the more experience you have, as they are constantly mentioned in the context of everyday networking. 39 40 Layer 6: The Presentation Layer The presentation layer is responsible for formatting data so that application-layer protocols (and then the users) can recognize and work with it. avi, and so onâ you realize that each of these file types is formatted for use by a particular type of application. The presentation layer does this formatting, taking the application layer data and marking it with the formatting codes so that it can be viewed reliably when accessed later.

There are, of course, many different layer 2 frame types; in CCNA, we are interested in only the following: • Ethernet • Frame Relay • Point-to-Point Protocol (PPP) • High-Level Data Link Control protocol (HDLC) • Cisco Discovery Protocol (CDP) The type of frame created depends on the type of network service in use; if it is an Ethernet interface, obviously it will be creating Ethernet frames. A router serial port can create several different frame types, including PPP, HDLC, and Frame Relay. The data link layer uses flat addressingâ not hierarchical as in Layer 3.

Answers A, B, and D are incorrect; those are the specs for STP, Wi-Fi, and Inter-switch VLAN tagging, respectively. 5. Answer E is correct. ATM is a cell-switched technology. Answers A, B, C, D, and F are incorrect because they use variable-sized frames, not cells. 6. Answers D and E are correct. Bridges and switches segment collision domains. Answers A and B are incorrect because hubs and repeaters have the opposite effect: They make collision domains bigger and more of a problem. 7. Answer D is correct.

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