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Huawei H35-260 - HCSA-Field-Transmission & PTN V1.0

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Total 326 questions

Which of the following items is the default "fixed boundary port" of the system?

A.

FEU board IN/OUT port

B.

OTU unit line side port

C.

M40V board OUT port

D.

The OUT port of the OAU1 board

Which of the following statements about the slave subrack SCC function is correct?

A.

Status management of boards from subracks

B.

DCN message forwarding

C.

Protection switching protocol processing of this subrack

D.

Handling of Overhead

In Huawei's PTN7900 LTE solution, which of the following protection methods are used in the L2VPN part?

A.

IP/VPN FRR

B.

MC-PW APS

C.

MC-LAG

D.

VPN FRR

The purpose of setting the upper and lower threshold alarms for performance monitoring through professional network management does not include which of the following?

A.

Easy to analyze historical traffic

B.

If the data exceeds the upper and lower limits, the alarm will be reported to the network management as soon as possible

C.

In the report, the data that exceeds the reading value can be identified by the red mark

D.

Facilitates quick troubleshooting

Which of the following are common reasons for pointer adjustment

A.

The clock source or clock source level is incorrectly configured, resulting in two clock sources or two NEs in the same network following each other, causing the AU and TU pointers to be adjusted

B.

The power supply of the subrack is faulty, which causes the clock board to work abnormally, and the AU and TU pointers are adjusted together.

C.

The fault of the cross-board board causes the clock quality of its distribution to be poor, causing the adjustment of the AU and TU pointers

D.

Road version failure, together with AU, TU pointer adjustment

In the PIN LTE bearer solution, if the link between the core L3 PTN node and the SGW is faulty, what are the triggering detection mechanisms and protection mechanisms?

A.

MPLS OAM, SVPN FRR

B.

BFD, IP/VPN FRR

C.

BFD, VPN FRR

D.

MPLS OAM, IP/VPN FRR

The loss of optical fiber mainly includes the following?

A.

Absorption loss

B.

Reflection Loss

C.

Bending loss

D.

Scatter loss

Which of the items are unreasonable to configure the default route on the PTN device in the LTE solution?

A.

The default route is configured on the L2/3 master node, and the next-hop points to the L3 master node

B.

A default route is configured on the L2/L3 standby node, and the next hop points to the L3 master node

C.

On the L3 raw node, configure a default route with the next hop pointing to the main L2/L3 node

D.

Configure the default route on the standby point, and the next hop points to the standby L2/L3 node

Standard Ethernet frame length should not be less than 64 bytes. Which of the following factors would cause this limitation?

A.

Minimum transmission distance

B.

Maximum transmission distance

C.

Working Mechanism of Conflict Detection

D.

MAC address

Which items belong to the optical layer path in the path hierarchy of the WDM network?

A.

OTS

B.

OMS

C.

OCH

D.

OTU