Online Access Free H31-311_V2.5 Exam Questions

The development trends of transmission networks include capacity increase, business diversification, (), and IP.

For ODUk SNCP protection, if the pass-through site is an electrical relay site, it is recommended to configure the SNCP type as SNC/I when configuring the protection.

• A.False
• B.True

Which of the following is a step to multiplex low-speed services into high-speed SDH services?
(Multiple choice)

• A.Overhead Insert
• B.Alignment
• C.Mapping
• D.Multiplexing

Two beams of light that meet the coherence condition are called coherent light. Two coherent light beams will produce interference phenomenon in the area where they meet. Which of the following meet the coherence condition? (Multiple choice)

• A.The two beams are perpendicular in phase at the encounter area
• B.The two beams of light vibrate at the same frequency in the area where they meet.
• C.The two beams of light vibrate in the same direction in the area where they meet
• D.The two beams of light have the same phase or a constant phase difference in the area where they meet

In the network management system, the network element performance monitoring time is set to () minutes and () hours.

• A.30, 12
• B.15, 12
• C.30, 24
• D.15, 24