When the lower-order resources of a device are insufficient, which of the following measures can be taken? (Multiple Choice)
A. Configure a VC4 server trail.
B. Combine available lower-order resources.
C. Use a cross-connect board with a larger lower-order cross-connect capacity.
D. Configure VC4 services.
Which of the following alarms does not trigger the AU-AIS alarm?
A. R-LOS
B. MS-AIS
C. AU-LOP
D. B2-EXC
Configuring an EPLAN service as a ring is not recommended. If the EPLAN service is configured as a ring, the STP protocol must be enabled on the network to prevent broadcast storms.
A. TRUE
B. FALSE
Which of the following is not a non-linear effect?
A. Self-phase modulation (SPM)
B. Dispersion
C. Raman scattering
D. Four-wave mixing (FWM)
When synchronization is performed on the 1U2000, the NE data that is the same as that on the U2000 is not uploaded to the U2000, and the data that exists on the U2000 but not on the NE is deleted.
A. TRUE
B. FALSE
Which of the following are VLAN classification methods? (Multiple Choice)
A. By MAC address
B. By port
C. By subnet
D. By protocol
Which of the following are the differences between AU pointer and TU pointer? (Multiple Choice)
A. Indication range
B. Number of bits occupied by the pointer value
C. Byte where the pointer value is stored
D. Adjustment unit
Which of the following bytes can be used for the orderwire phone between two REG devices?
A. E1
B. E2
C. E1 and E2
D. None of the above
MAC loopback and PHY loopback are used for fault locating. When the MAC loopback is set to an inloop, you can set the PHY loopback according to the actual situation.
A. TRUE
B. FALSE
After the U2000 delivers configuration data to an NE, if the verification fails on the SCC board, the NE enters the installation state.
A. TRUE
B. FALSE
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