nncss-optera metro 3000
Questions, Answers, Braindumps (920-502)
Many thanks to all the dumpers, who submit their dumps
on this site. Please submit more dumps, in order to
provide more help to the others. Here's my contribution.
Question no: 1
You are fibering a Band 1 OMX module. How is the "Channel
1 Add port" utilized in order to allow Band 1
Channel 1 traffic signals to be added and dropped
at a site?
A. This port is connected to the Band 1 OMX module
OTS out port.
B. This port is connected to the Band 1 Channel 1
drop port of the Band 1 OMX module.
C. This port is connected to the receive port of a
Band 1 Channel 1 OC-48 optical circuit pack.
D. This port is connected to the transmit port of
a Band 1 Channel 1 OC-48 optical circuit pack.
Question no: 2
You have a protected four-channel DWDM implementation
on the OPTera Metro 3500 platform. What is the minimum
number of OMX modules required at the terminal site?
Question no: 3
You are dispatched to solve a problem with an OPTera
Metro 3000 network. You checked the fiber connections
and found that the fiber pair from slot 11 on one
shelf is always connected to slot 12 of the next shelf.
Which network topology has been configured?
A. UPSR configuration
B. Linear ADM configuration
C. Folded-Ping configuration
D. Matched-Node configuration
Question no: 4
Which two characteristics describe the VTX equipment
protection scheme? (Choose two.)
A. VTX-13 and VTX-14 support both BITSOUT-A and BITSOUT-B.
B. It has 1:1 non-revertive switching synchronization
and bandwidth management functions.
C. It has an independent synchronization and bandwidth
management equipment protection switching scheme.
D. Latch open detection places the VTX circuit pack
out-of-service and switches synchronization and bandwidth
Answer: C, D
Question no: 5
An OPTera Metro 3300 is equipped with two iPT circuit
packs. What is the maximum number of additional iPT
circuit packs that you can add to the shelf?
Question no: 6
You have just arrived on site to troubleshoot an OPTera
Metro 3400. You have connected your laptop to the
shelf and opened the PCGUI application. What are the
steps to login to the shelf?
A. Do nothing, the PCGUI will log you in automatically.
B. click File, Login Manager, select shelf, enter
user name and password and hit enter
C. click File, Open, browse to the shelf, click open,
enter user name and password and hit enter
D. configure Comms for direct connection, connect
Comms, click login, enter user name and password and
Question no: 7
A shelf has green LEDs lit on the SP and VTXs and
ND LEDs lit on any of the transport cards. Assuming
all cards are in-service, what is the status of the
A. Cross-connects are not provisioned and the shelf
B. Cross-connects are provisioned and the shelf is
C. Cross-connects are provisioned and traffic is running
D. Cross-connects are not provisioned and the shelf
is not fibered.
Question no: 8
Which step should you perform if your NE raised a
Timing Generation Entry to Freerun event?
A. restart your SP
B. replace your VTX circuit packs
C. verify your provisioned timing references
D. verify your BITSOUT SSM provisioned values
Question no: 9
Which statement is true about an auto-upgrade/downgrade?
A. A tributary circuit pack auto-upgrades from its
mate circuit pack.
B. A tributary circuit pack always auto-upgrades when
first placed into a new shelf.
C. A tributary circuit pack auto-downgrades when first
placed into a shelf running a lower release.
D. A new SP auto-upgrades to the shelf release if
the shelf is running a higher release than the SP.