By Todd Lammle

Cisco is relocating aggressively into the community defense enviornment via unveiling a lineup of a dozen new defense services, and a brand new professional-level certification for them, Cisco qualified protection expert (CCSP). The Securing Cisco IOS Networks (SECUR) examination (#642-501) is the 1st, and most crucial, in a sequence of 5 assessments required to accomplish CCSP prestige. Sybex, the chief in Cisco certification examine courses and winner of CertCities.com 2002 Readers' selection Award for top examine publications, is providing this crucial research consultant to the SECUR examination (#642-501). Written for everybody pursuing a occupation as a Cisco safeguard expert, this advisor is choked with actual international eventualities and examination necessities that take you past the fundamentals and toughen key topic parts. The accompanying CD contains countless numbers of not easy evaluate questions, digital flashcards, and a searchable digital model of the full e-book.

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Configuration weakness C. Policy weakness D. Software weakness 20. Not having a disaster recovery plan is listed as what type of weakness? A. Technology weakness B. Configuration weakness C. Policy weakness D. , 1151 Marina Village Parkway, Alameda, CA 94501. fm Page 26 Monday, May 5, 2003 12:46 PM 26 Chapter 1 Introduction to Network Security Answers to Written Lab 1. Network snooping and packet sniffing are two common terms for eavesdropping. 2. Policy, technology, and configuration weaknesses are the three typical security weaknesses in a network implementation.

If you’re running Microsoft Windows NT, make sure you rename the administrator account. Doing this ensures that any intruders will at least have a slightly harder time finding and breaking into your operating system. Put some serious thought into which users are granted which rights and privileges, because if you don’t and you instead give rights away indiscriminately, chaos will ensue. Take the time to establish the rights each user really needs, and don’t give them any more rights than what they really need to do their job!

Again, it comes down to that nice, tight network security policy. To counteract eavesdropping, you need to create a policy forbidding the use of protocols with known susceptibilities to eavesdropping, and you should make sure that all important, sensitive network traffic is encrypted. Denial-of-Service Attacks Denial-of-service (DoS) attacks are by far the most debilitating of attacks. Even if there was only one type of DoS attack, these attacks would still be devastating. But they come in a variety of hideous flavors!

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