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Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Generally, which of the following is not included in the performance evaluation of a WDM network

A) Monitoring signal optical power
B) Single wave optical power & flatness
C) OSNR
D) Combined optical power
E) Dispersion & FEC BER

2. Among the following methods, which is the effective way to avoid discrete business? (multiple choice)

A) Circuit scheduling is created and configured using network management end-to-end path management
B) For cross-network management services, landing through virtual network elements
C) Paths with protected routes should be tested for switching to verify that the configuration is complete and standardized
D) For services that use the command line or the network management for single-site SDH service configuration, the path search must be performed on the network management to ensure that the service configuration is complete and standardized

3. The networking of a certain wavelength division network is shown in the figure.

Now due to the needs of new business, there are 2 waves that need to be up and down at site B, that is, the OLA site needs to be transformed into a back-to-back OTM site. The error described below is

A) Need to recalculate the design signal-to-noise ratio of each segment AB, BE, AE, and evaluate whether the designed signal-to-noise ratio can meet the needs of business reception
B) The site type is transformed from OLA to back-to-back OTM. It is necessary to add boards such as M40/D40/OA/OUT. It is necessary to evaluate whether the existing network subrack slots are sufficient. Subrack
C) Since the original network dispersion is normal compensation, it is not necessary to adjust the dispersion after network transformation
D) Perform optical power budget for the new service hop, and redesign the power of the reconstructed site according to the requirements of the back-to-back OTM site. If possible, add an optical amplifier board.

4. In MSTP equipment, which of the following are necessary conditions for TPS protection. ()

A) Must be an electrical interface
B) Support STM-1 at most.
C) Any rate is supported
D) Can be an optical interface

5. If an NE is found on the U2000 network management to report an alarm of "NE is in a safe state", the operations that are not allowed on the U2000 are

A) Data consistency check
B) Alarm synchronization
C) Upload data from the network element side to the network management
D) Download data from the NMS to the problematic NE

Solutions: