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  5. HCIA-Transmission V2.5 Questions and Answers

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Viewing questions 31-40 out of questions
Questions # 31:

When the low-level resources of the device are insufficient, which of the following measures can be taken? (Multiple choice).

Options:

A.

Configure VC4 Server Path

B.

Combine available low-level resources. (.)

C.

Use a crossover connection board with a large low-level cross-connection

D.

Configure the VC4 service. .

Questions # 32:

The Raman amplifer uses which of the following effects?

Options:

A.

Self-phase modulation (SPM).

B.

Dispersion

C.

Raman scattering

D.

Four-wave mixing (FWM).

Questions # 33:

Which of the following statements regarding the sequence of signal flows between the SDH interface and the cross-connecting unit is correct?

Options:

A.

SPI <> RST <> MST <> MSP<> MSA <> HPT

B.

SPI <> RST <> MSA<> MSP<> MST <> HPT

C.

SPI <> MST<> RST <> MSA <> MSP >HPT

D.

SPT<> MS <> MSA<> RST > MSP<> HPT

Questions # 34:

Which of the following are communication quality alerts? (Multiple choice).

Options:

A.

Optical port loopback

B.

There is no login user

C.

NE communication in the

D.

Optical signal loss

Questions # 35:

In the case of a 1+1 linear MSP, which of the following switching modes does not require the APS protection protocol full (multiple choice) to be enabled

Options:

A.

Single-ended reply mode (correct case management).

B.

Single-ended non-reply pattern

C.

Double-ended reply mode

D.

Double-ended non-reply mode

Questions # 36:

When a bit False is detected in B2 bytes, which of the following alarms is reported by the peer?

Options:

A.

MS-AIS

B.

RS-BBE。

C.

MS-FEBBE

D.

MS-BBE

Questions # 37:

TU-AIS is often encountered during network maintenance. Which of the following alerts can trigger a TU-AIS alert? (Multiple choice).

Options:

A.

AU-LOP

B.

R-LOS

C.

HP-TIM

D.

B2-EXC

Questions # 38:

A standard Ethernet frame should not be shorter than 64 bytes, which is determined by the____and the collision detection used. (Enter only lowercase letters.)

Options:

Questions # 39:

A light wave has two independent and orthogonally polarized modes on the plane perpendicular to the transmission direction, which are generally called X polarization and Y polarization respectively. Using this property of optical signals, the polarization multiplexing separately modulates optical signals on the two orthogonal polarizations.

Options:

A.

TRUF

B.

FALSE

Questions # 40:

Which of the following statements regarding the protection of the cross-connecting plate 1+1 is correct? (Multiple choice).

Options:

A.

The source business board sends services to the main and standby crossover boards. .

B.

After the service cross-connection is completed, the active and standby cross-board sends the data of the primary cross-board to the receiving service board.

C.

The receiving service board can only receive data from the active cross-link board

D.

The bus of the two cross-connected modules works independently and does not interfere with each other. .

E.

Dual bus system structure indicates that the service board performs dual data transfer to the cross-connection side and selectively receives data on the cross-connection side. .

F.

Both cross-connecting plates have the same configuration. The service board will selectively receive services from one of them based on the quality of service and the status of the cross-connecting board. .

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