By Clare Gough
The legit learn advisor for CCNP Routing examination 640-503. A step by step option to grasp the abilities and ideas confirmed at the examination, together with routing ideas and lengthening IP addresses. The CD-ROM incorporates a customized checking out engine with perform checks that mimic the genuine checking out atmosphere. method standards: CD-ROM force.
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Extra info for Cisco CCNP routing exam certification guide
The college cited in the case study would require the network to be secure as well as reliable and responsive. The sections that follow describe the key requirements of a network: • • • • • • Reliability Responsiveness Efficiency Adaptability/serviceability Accessibility/security Factors that increase network traffic Reliability For a hospital or bank, the network must be available 24 hours a day, seven days a week. In the first instance, lives are at stake. If network access cannot be granted to the blood bank, it may not be possible to give a life-saving transfusion.
Because the packets are randomly dropped, it is difficult to track where the problems have occurred. Therefore, the network will have equally random failures. The symptoms of network congestion are consequently difficult to troubleshoot because some protocols are more sensitive than others and will time out after very short delays are experienced. However, the network administrator who knows his network well will soon identify these recurring problems. The following are three symptoms of network congestion: • • • NOTE Applications time out.
This book will build on the BSCN material and help you assess what further study you need to pass the Routing exam. Here are my strategy suggestions for your case: • Strategy 1—Read the Building Scalable Cisco Networks coursebook. 0 is not entirely a course-based test, the BSCN course is listed as the recommended course for the Routing exam. • Strategy 2—After reading BSCN, use this book exactly as described in the opening pages of Chapters 2 through 10. Each of the core chapters begins with a quiz that helps you assess what you need to study.