Free Access Huawei.H31-311_V2.5.v2026-06-11.q157 Practice Test (Page 23)

Question 106

According to the OUTk signal rate calculation formula: OTUk rate = 255/(239-k) x STM-N frame rate, the rate of the OTU4 signal is 255/235 x 99 532800 kbit/s.

A.False

B.True

Question 107

Which of the following light sources has the best dispersion tolerance and stability?

A.None of the above

B.Directly modulated light source

C.EA modulated light source

D.Mach-Zehnder modulated light source

Question 108

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

A.15, 12

B.30, 24

C.30, 12

D.15, 24

Question 109

When there is a Critical False In Seconds (SES) in the PM portion of the ODUk layer, which of the following alarms is reported by NMS?

A.ODUk_PM_SESR

B.ODUk_PM_ES

C.ODUk_PM_UAS

D.ODUk_PM_SES

Question 110

In OSN6800, the LDG board can realize the Ethernet Layer 2 scheduling function.