The basic principles of STP device fault location are? (Multiple choice)

• A.First external, then transfer
• B.First low speed, then high speed
• C.First network, then network element
• D.First advanced, then low level

Comment: *

Name: *

Email: *

Verification: *

Which of the following monitoring boards do not support the processing and transparent transmission of 1588V2 signals? (Multiple choice)

• A.SC2
• B.AST2
• C.SC1
• D.ST2

Comment: *

Name: *

Email: *

Verification: *

The E-Line service types supported by the MS-OTN packet device are: (Multiple Choice)

• A.E-Line service based on QinQ
• B.E-Line service based on VL.AN
• C.Point-to-point transparent transmission of E-Line services
• D.E-Line carried by PW

Comment: *

Name: *

Email: *

Verification: *

If the LED indicator value on the SCC board of the OSN 8800 T32 board is 11, which of the following is the subrack ID?

• A.Slave subrack 11
• B.Slave subrack 2
• C.Slave subrack 1
• D.Slave subrack 17

Comment: *

Name: *

Email: *

Verification: *

Which of the following statements about MPLS is wrong?

• A.MPLS is not a service or application. It is a standard routing and switching platform that supports various upper-layer protocols and services.
• B.MPLS packet forwarding is based on labels.
• C.In the packet transport field, the MPLS technology is mainly used to construct tunnels to carry various types of services (for example, TDM, ATM, and Ethernet) transmitted by PWE3 to implement end-to-end transmission of services on packet networks.
• D.MPLS has two planes: control plane and forwarding plane. The control plane is connection-oriented, the forwarding plane is connectionless.

Comment: *

Name: *

Email: *

Verification: *