Exam profile 642-311 Cisco Optical SONET (OPTICAL)
The vendor of the 642-311 Cisco Optical SONET (OPTICAL) is Cisco.
Cisco 642-311 Certification credit: When you pass the 642-311 Cisco Optical SONET (OPTICAL) exam you earn credit towards Cisco Optical Specialist.
Cisco 642-311 Description of exam: The 642-311 Cisco Optical SONET (OPTICAL) Exam is a qualifying exam for the Cisco Optical Specialist certifications. When you pass the Cisco 642-311 Cisco Optical SONET (OPTICAL) Exam you certify that you have important knowledge and skills necessary to use install, configure, and operate LAN, WAN, and dial access services for small networks of 100 or fewer nodes.
Cisco 642-311 Available time: You have more or less 2-4 hours to complete the exam and is available in English only.
Cisco 642-311 Questions to answer: The 642-311 Cisco Optical SONET (OPTICAL) Exam consists of approximately 175-185 questions and the exam has a difficulty of 9 using a scale of 1-10.
Cisco 642-311 Cost of exam: The exam prices can fluctuate so contact your nearest exam testing centre and acquire the prices from them.
Cisco 642-311 Offers Industry's Best Cisco 642-311 Certification and Study Guides
Cisco 642-311 Skills considered
Cisco 642-311 Exam Subject 1 Optical Fundamentals
Describe Light and Fiber Optic Basics (Characteristics of Light, Properties and Components of Optical Fiber, Reflection, Refraction, and Fiber Types)
Cisco 642-311 Exam Subject 2: Dense Wavelength Division Multiplexing (DWDM) Principles
Explain Dispersion in DWDM Systems (
Cisco 642-311 Exam Subject 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
Cisco 642-311 Exam Subject 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.)
Cisco 642-311 Exam Subject 5 Service Provisioning, Operation and Troubleshooting (15454 SONET)
Describe the procedures for creating circuits and their impact on the crossconnect matrices (VT and STS, linear vs. ring)
Describe the operation and application of unidirectional path-switched ring (UPSR) in the 15454. [Typical optical fiber routing, UPSR STS protection, Typical signal paths, Automatic protection switching, Major steps required to create a UPSR, UPSR dual ring interconnect (integrated and traditional)]
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