Title of Exam: 642-311 Cisco Optical SONET
Who is the vendor for 642-311? CISCO When completing 642-311you would have earned credit towards : Cisco Optical Specialist 642-311 Exam Description The 642-311 Cisco Optical SONET exam is the only exam required to achieve a CCNA (Cisco Certified Network Associate certification. What are the fields covered by this examination? The 642-311 Cisco Optical SONET examination covers five broad areas which are discussed in detail below: Exam area 1 Optical Fundamentals Describe Light and Fiber Optic Basics (Characteristics of Light, Properties and Components of Optical Fiber, Reflection, Refraction, and Fiber Types) Describe Passive Components of an Optical Network Exam area 2. Dense Wavelength Division Multiplexing (DWDM) Principles Explain Dispersion in DWDM Systems (Harmonics, Measuring Dispersion, Effects of Dispersion on Telecom Signals, Polarization Mode Dispersion, Calculating Dispersion Budget)Cisco 642-311 Certification - Sponsored by Real-Exams - 642-311Exam area 3. Service Provisioning, Operation and Troubleshooting (216 DWDM) Describe the components of the ONS 15216 system, supported configurations, and network applications Describe the functions and characteristics of the DWDM system created by combining ONS 15454 OC-48 ELR cards and ONS 15216 DWDM filters Describe the functions, characteristics, and applications of the ONS 15216 OADMs Exam area 4 SONET Principles Given various SONET hierarchy levels, compute the bit rates, identify the main protection switching concepts for UPSR, BLSR, and Linear Configurations. Compare and contrast UPSR and BLSR ring technology (capacity, application, node limiatations, design constraints, traffic flow and APS.) Exam area 5 Service Provisioning, Operation and Troubleshooting (15454 SONET) Describe the procedures for configuring a Cisco ONS 15454 in a Data Communications Network. Describe the shelf layout, shelf hardware, and backplane interfaces Set the timing parameters in the ONS 15454 from the CTC Timing subtab Describe the following protection schemes and their application to the ONS 15454. (1+1 (one plus one) protection, 1:1 (one for one) protection, 1:N (one for "N") protection) Identify the following, as applied to an ONS 15454. (Typical point-to-point optical fiber routing, 1+1 protection groups, Typical linear add/drop multiplexer (ADM) configuration optical fiber routing.) Describe the procedures for creating circuits and their impact on the crossconnect matrices (VT and STS, linear vs. ring) Difficulty rating : this examination rates 3 on a scale of 1 - 5 difficulty rating. How long do I have to complete 642-311? 2-4 hours How many questions will I be required to answer? 175 and 185 questions How much will 642-311 cost? 115 USD - Contact the Examination Test Centre directly for information regarding course availability, registration information and cost. Remember that costs may vary from vendor to vendor and from examination to examination. 642-311 Study Tips: Testking has several products that include excellent materials that will aid in preparation for this exam. Their materials include detailed 642-311study notes and guides, questions and answers with detailed explanations, even practice tests, which were compiled by experts in their respective field. For this examination you can check 642-311 Test King and the 642-311 practice test. Cisco 642-311 Certification - Sponsored by Real-Exams - 642-311
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