A.LEX
B.HDLC
C.GFP-F
D.PPP/BCP
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Click the Exhibit button. In the DCN connection shown in the exhibit, all non-GNE nodes are located on different subnets from the GNE. There are no static routes or external OSPF on any elements. CTC Workstation and GNE have Cisco Router as their default gateway.
Can the CTC workstation see the entire SONET network?（）
A. Yes, but only if OSPF is enabled around the ring.
B. Yes, because the GNE will only serve as a proxy-ARP for elements on the same subnet.
C. Yes, but only if the router's address is entered as a static route in the non-GNE elements.
D. Yes, because the GNE will serve as a proxy-ARP for all elements, regardless of their subnets.
A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing
Click the Exhibit button. A customer has several interconnected core rings (see exhibit). They want to create several irtual rings?utilizing their OC-192 backbone (nodes 1,2,3,4). What should you recommend?（）
A. PPMN with BLSR rings
B. PPMN with UPSR rings
C. 1:N protection on all core circuits
D. multi-ring interconnect with BLSR rings
A.10
B.32
C.64
D.84
E.96
Click the Exhibit button. Within an ONS 15454, you are provisioning a circuit on an unprotected UPSR ring. In the exhibit, which two must you configure?（） (Choose two.)
A. revertive
B. circuit type
C. circuit size
D. bidirectional
E. protected drops
F. switch on PDI-P
A.225 ft
B.450 ft
C.655 ft
D.900 ft
最新试题
SONET Code Violations (CVs) totals in the PM tables are actually an accumulation of the number of （）.
For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）
In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）
If the power is 0 dBm, what is the power in mW?（）
How is a Thin Film filter fabricated?（）
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
Which device creates an OEO conversion?（）
Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)
What are two important considerations when using 2- or 4-channel 15216 OADMs?（） (Choose two.)
UPSR protection switching is initiated by （）, while BLSR is initiated by （）.