ccna security official exam certification guide exam 640-553 by Michael Watkins, Kevin Wallace PDF

By Michael Watkins, Kevin Wallace

ISBN-10: 1587202204

ISBN-13: 9781587202209

CCNA Security

Official examination Certification Guide


  • Master the IINS 640-553 examination with this reputable research guide
  • Assess your wisdom with chapter-opening quizzes
  • Review key options with examination training Tasks
  • Practice with life like examination questions about the CD-ROM


CCNA protection authentic examination Certification Guide is a better of breed Cisco® examination learn consultant that focuses particularly at the ambitions for the CCNA® safeguard IINS examination. Senior safeguard teachers Michael Watkins and Kevin Wallace percentage practise tricks and test-taking assistance, assisting you establish parts of weak spot and increase either your conceptual wisdom and hands-on abilities. fabric is gifted in a concise demeanour, targeting expanding your knowing and retention of examination topics.


CCNA safety respectable examination Certification Guide provides you with an equipped try out training regimen by utilizing confirmed sequence components and methods. “Do i do know This Already?” quizzes open every one bankruptcy and let you come to a decision how a lot time you want to spend on each one part. examination subject lists make referencing effortless. Chapter-ending examination guidance initiatives sections aid drill you on key strategies you need to understand completely.


The spouse CD-ROM incorporates a strong trying out engine so as to specialize in person subject parts or take entire, timed checks. The evaluate engine additionally tracks your functionality and gives suggestions on a topic-by-topic foundation, offering question-by-question remediation to the textual content and laying out an entire research plan for evaluate.

Well-regarded for its point of aspect, evaluate positive factors, and hard assessment questions and workouts, this legitimate research advisor is helping you grasp the techniques and methods that may provide help to prevail at the examination the 1st time.


CCNA protection respectable examination Certification Guide is a part of a urged studying course from Cisco that incorporates simulation and hands-on education from licensed Cisco studying companions and self-study items from Cisco Press. to determine extra approximately instructor-led education, e-learning, and hands-on guide provided through approved Cisco studying companions around the globe, please stopover at


Michael Watkins, CCNA/CCNP®/CCVP®/CCSP®, is a full-time senior technical teacher with SkillSoft company. With thirteen years of community administration, education, and consulting adventure, Michael has labored with agencies reminiscent of Kraft meals, Johnson and Johnson, Raytheon, and the U.S. Air strength to aid them enforce and research the newest community applied sciences.


Kevin Wallace, CCIE® No. 7945, is a qualified Cisco teacher operating complete time for SkillSoft, the place he teaches classes within the Cisco CCSP, CCVP, and CCNP tracks. With 19 years of Cisco networking adventure, Kevin has been a community layout professional for the Walt Disney global lodge and a community supervisor for japanese Kentucky collage. Kevin is also a CCVP, CCSP, CCNP, and CCDP with a number of Cisco protection and IP communications specializations.


The reputable research advisor is helping you grasp the entire subject matters at the IINS examination, including

  • Network safety threats
  • Security policies
  • Network perimeter defense
  • AAA configuration
  • Router security
  • Switch security
  • Endpoint security
  • SAN security
  • VoIP security
  • IOS firewalls
  • Cisco IOS® IPS
  • Cryptography
  • Digital signatures
  • PKI and uneven encryption
  • IPsec VPNs


This quantity is a part of the examination Certification advisor sequence from Cisco Press®. Books during this sequence supply formally constructed examination practise fabrics that provide evaluate, evaluate, and perform to assist Cisco occupation Certification applicants establish weaknesses, focus their examine efforts, and increase their self belief as examination day nears.


Category: Cisco Press—Cisco Certification

Covers: IINS examination 640-553

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Extra resources for ccna security official exam certification guide exam 640-553 exam certifica 1587202204

Example text

Ethical guidelines deal more with someone’s intent and conduct, as opposed to whether an act was technically legal. Although the issue of ethics might seem more difficult to define, information security professionals have several formalized codes of conduct: ■ International Information Systems Security Certification Consortium, Inc. Code of Ethics ■ Computer Ethics Institute ■ Internet Activities Board (IAB) ■ Generally Accepted System Security Principles (GASSP) Exploring Security Fundamentals Legal Issues to Consider As a provider of network connectivity to customers, a service provider needs to be aware of potential liability issues.

Consider the sample Defense in Depth topology shown in Figure 1-2. Notice the two e-mail servers—external and internal. The external e-mail server acts as an e-mail relay to the internal e-mail server. Therefore, an attacker attempting to exploit an e-mail vulnerability would have to compromise both e-mail servers to affect the internal corporate e-mail. Also notice the use of a Network-based Intrusion Detection System (NIDS), a Network Intrusion Prevention System (NIPS), and a Host-based Intrusion Prevention System (HIPS).

Here are a couple of examples of how an attacker could attempt to compromise the availability of a network: ■ He could send improperly formatted data to a networked device, resulting in an unhandled exception error. ■ He could flood a network system with an excessive amount of traffic or requests. This would consume the system’s processing resources and prevent the system from responding to many legitimate requests. This type of attack is called a denial-of-service (DoS) attack. Categorizing Data Different data requires varying levels of security (for example, based on the data’s sensitivity).

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ccna security official exam certification guide exam 640-553 exam certifica 1587202204 by Michael Watkins, Kevin Wallace

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