The following features can adjust the bandwidth on demand in the application of Ethernet networking, dynamically increase and decrease the members in the VCTRUNK without affecting the business. When a virtual concatenation group member fails, the bandwidth can be quickly adjusted to ensure normal data transmission; when the failed member is restored, the original bandwidth of the virtual concatenation group is automatically restored.

• A.LCAS
• B.DLAG
• C.LAG
• D.QoS

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172.17.15.0/28 When dividing subnets, which of the following addresses are legal subnet addresses (multiple choice)

• A.172.17.15.8
• B.172.17.15.0
• C.172.17.15.40
• D.172.17.15.96

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The reason why the ODUk_PM_OCI alarm statement is correct (multiple choice)

• A.The board corresponding to the upstream site has an ODUk_PM_OCI alarm
• B.Loopback is set for the corresponding board of the opposite station
• C.This alarm will not cause interruption of the optical interface carrying service
• D.The corresponding board of the opposite station is not configured with crossover and the non-intrusive monitoring function is enabled on the local end

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Compared with traditional MPLS, what are the improvements of MPLS-TP? (multiple choice)

• A.Protection switching
• B.Data plane
• C.OAM
• D.Control plane

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The ODU product label is shown in the picture. Which of the following statements is correct? (multiple choice).

• A.The transceiver interval of this ODU is 154MHz
• B.The receiving frequency range is: 7582-7638MHz
• C.This ODU can be used as low station
• D.The transmitting frequency of this ODU is located in sub-band A of 7GHz

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