A customer has 20 E1s to add between far-end nodes in an SNCP ring.
What type of circuit would you recommend？（）
A. LO-PATH circuits
B. HO-PATH circuits
C. 1：1 protection circuits
D. 1：N protection circuits
E. LO-PATH tunnel circuits
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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
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
最新試題
What is the difference between the transmitted power and the sensitivity of the receiver？ （）
A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）
What are two important considerations when using 2- or 4-channel 15216 OADMs？（）
What are three factors that limit the maximum distance of an amplified optical signal without regeneration？ （）
If node 2 is accepting line timing from node 1， node 2 will send （） to node 1 as its SSM messge.
Click the Exhibit button. The exhibit shows a 15454/15216 DWDM system and alarm indications. What are two possible sources of trouble shown in the system？（）
Click the Exhibit button. Which type of multiplexer is shown in the exhibit？（）
If the power is 0 dBm， what is the power in mW？（）
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？ （）