Click the Exhibit button. As shown in the exhibit， a customer has several interconnected core rings. They want to create several irtual rings？utilizing their STM-64 backbone （nodes 1， 2， 3， and 4）.
What do you recommend？ （）
A. SNCP rings
B. MS-SPRing rings
C. 1：N protection on all core circuits
D. dual-ring interconnect with MS-SPRing rings
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A customer has 2 E1s to add between far-end nodes in an SNCP ring.
What type of circuit should you recommend？ （）
A. LO-PATH circuits
B. HO-PATH circuits
C. 1：1 protection circuits
D. 1：N protection circuits
E. LO-TUNNEL tunnel circuits
A. signal fail， signal degrade， manual switch
B. signal degrade， signal fail， manual switch
C. protection lockout， manual switch， path AIS
D. forced switch， manual switch， signal degrade
E. protection lockout， manual switch， forced switch
A. LEX
B. HDLC
C. GFP-F
D. PPP/BCP
You are provisioning an E-1 circuit on an ONS 15454 MS-SPRing configuration and XC-VXL-10G card. Each VC-12 connection must also terminate via the VC-3 matrix.
How many VC-3 ports remain after this circuit is created， assuming no other circuits？（）
A. 92
B. 93
C. 94
D. 95
E. 96
A. 1+1 is based on APS， while 1：1 is based on IPS.
B. 1：1 is used in SNCP switching， while 1+1 is used in MS-SPRing switching.
C. 1+1 sends signals on Working and Protect paths， while 1：1 sends signals only on Working path.
D. 1+1 sends signals on Working path ONLY， while 1：1 sends signals on both Working and Protect paths.
最新試題
Which is a legitimate bandwidth matched pair？（）
Given the formula： （Fiber Attenuation * Km） + （Splice Attenuation * # of Splices） + （Connector Attenuation * # of Connectors） + （Optical Fiber or OADM） + Buffer（Fiber aging）） With regard to SONET/SDH optical calculations， what will the given formula provide？（）
Click the Exhibit button. Which type of multiplexer is shown in the exhibit？（）
What is the phenomenon called where different wavelengths of light travel at different speeds？（）
In SDH， what is the name of the embedded Data Communication Channel （DCC） in bytes D1-D3？（）
Which device creates an OEO conversion？ （）
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems？（）
What is the difference between the transmitted power and the sensitivity of the receiver？ （）
How is SNCP and MS-SPRing traffic rerouted during a protection switch when a complete fiber cable cut occurs？（）
Which two can be transported in one AU-4？ （）