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Huawei H31-311_V2.5 - HCIA-Transmission V2.5

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Total 246 questions

Bait-doped fiber amplifiers (EDFAs) are a key component of the new generation of optical communication systems. Which of the following is the feature of EDFA? Multiple Choice) â–¡

A.

High gain

B.

High output meritorious service

C.

Amplification of any wavelength

D.

Low noise index

Which of the following statements about OTN advantages is false?

A.

Provides 2 J Gbit/s, 107 Gbit/s, 43 Gbit/s, and even 111.8 Gbit/s high-rate interfaces.

B.

Satisfies the requirement for Tbit/s bandwidth per fiber through the WDM function.

C.

Provides powerful outband PEC functions to effectively guarantee the line transmission performance.

D.

Provides a maximum of five levels of nested or overlapped TCM connection monitoring.

Which of the following is the VLAN classification method? (Multiple choice).

A.

by MAC address correct answer).

B.

Through the port correct answer).

C.

By subnet

D.

press Co-set

Which of the following is not a non-linear effect?

A.

PMD

B.

SPM

C.

SRS

D.

FWM

SL64 board is available for OSN 2500.

A.

True

B.

False

When the bridge uses IVL learning mode, an entry in the MAC address table is created based on the source MAC address and source port of the teach frame. This entry applies to all VLANs

A.

True

B.

False

The receiver performs a BIP-8 check on unscrambled STM-16 frames. If the BIP8 check result XOR·∶, the value of the B1 byte contained in the next STM16 ring is 10001100, which indicates STM-16 There is a () bit False block in the axis.

A.

5

B.

3

C.

6

D.

is unclear

The index is used to folio and delineate the starting position of VC-n in the corresponding AU or TU frame so that the receiving end can correctly remove the corresponding VC from the STM-N The VC and C packages are then separated into separate low-rate signals, such as PDH That is; Low-rate branch signals can be discarded directly from the STM-N signal

A.

True

B.

False

In the system control unit, which of the following databases does not lose data after a power failure? (Multiple choice).

A.

MDE

B.

DRDB

C.

FDB0

D.

FDB1

When setting up LCAS mode, follow these principles:

1. If both ends of the device are Huawei devices, please set it to "Standard Mode".

2. If a Huawei device is interconnected with a third-party device, set the interconnect device to the same mode according to the mode supported by the third-party device.

A.

True, yes

B.

False