Question No : 1
Which of the following statements about extended ECC is incorrect?

• A.Extended ECC is classified into automatic extended ECC and extended ECC in specified mode.
• B.Automatic extended ECC indicates using a straight-through cable to connect the Ethernet ports of two NEs.
• C.Extended ECC in specified mode indicates that the server and client need to be specified.
• D.Automatic extended ECC can be enabled on a maximum of four NEs. In manual extended ECC mode, each server can be connected to a maximum of three clients.

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Question No : 2
Which of the following is not the northbound interface provided by the U2000?

• A.XML
• B.SNMP
• C.CORBA
• D.Qx

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Question No : 3
An optical amplifier unit compensates for line loss and extends transmission distance. Connecting multiple optical amplifier units in cascading mode can infinitely extend transmission distance of a system.

• A.TRUE
• B.FALSE

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Question No : 4
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

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Question No : 5
Which of the following is the frame whose VC-4 J1 byte is indicated by the current frame's AU pointer?

• A.Current frame
• B.Next frame
• C.Previous frame
• D.None of the above

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Question No : 6
When the U2000 data is backed up using scripts, the backup is fast because the backup files are small.

• A.TRUE
• B.FALSE

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Question No : 7
Which of the following are the electrical-layer overheads of OTN? (Multiple Choice)

• A.OPUk
• B.ODUk
• C.OCh
• D.OTUk

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Question No : 8
Some of the SNCP protection switching conditions are default, such as AU-AIS and TU-AIS. Others conditions are optional, such as HP-TIM and HP-SLM. The optional conditions can be flexibly set based on service levels.

• A.TRUE
• B.FALSE

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Question No : 9
In MSP networking, when optical fibers are connected between sites, the east optical board of a site is connected to the west optical board of the downstream site, and these sites are connected in sequence to form a ring. In this case, the direction from the east optical board of a site to the west optical board of the downstream site is the major ring direction, and the direction that the ring is formed is the service direction.

• A.TRUE
• B.FALSE

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Question No : 10
1.When a fiber cut test is performed on a normal MSP ring, which of the following alarms is reported? (Multiple Choice)

• A.TU-AIS
• B.R-LOS
• C.APSJNDI
• D.BD STATUS

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