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H35-260 Huawei HCSA-Field-Transmission & PTN V1.0 Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Huawei H35-260 HCSA-Field-Transmission & PTN V1.0 certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 326 questions

In the current network, which of the following is the most common way of dividing VUNs?

A.

Port based division

B.

MAC-based division

C.

Based on Protocol Division

D.

IP Subnetting

Regarding the function of backing up and restoring all data in the network management database, which of the following statements is correct?

A.

Data backed up by different versions and different types of operating systems can be recovered from each other

B.

Data backed up by different versions and different types of operating systems cannot be recovered from each other

C.

The data of the same version and the same type of database backup cannot be recovered from each other

D.

Data from different versions and different types of database backups can be recovered from each

other

Which networking type is the main networking type in the metro WDM network?

A.

Point-to-point networking

B.

Chain networking

C.

Ring Networking

D.

Mesh networking

In the NG-WDM system, which one of the following boards supports optical line protection?

A.

OTU

B.

DCP

C.

OLP

D.

QCP

When configuring LMSP, there are two switching modes: single turbulent cutting and inserting and double full switching. Single-ended switching does not require self-use protection

A.

True

B.

False

Whether it is the OSI reference model or the TCP/IP protocol, the existence of the data link layer is mainly to realize which of the following functions?

A.

Bitstreaming

B.

Addressing and Routing

C.

Provide media access

D.

Establish a host end-to-end connection

Which of the following is incorrect about the job description of a hub?

A.

HU is a physical layer device

B.

HUB. is the data link layer device

C.

HUB connects multiple terminal devices together to form a star network through ports

D.

The shared bus technology is used inside the HUB device, and the CSMA/CD technology is used for interaction

What is the main function of the physical layer?

A.

Provide a reliable information transfer mechanism

B.

A retransmission mechanism responsible for error detection and information

C.

Responsible for the physical and electrical interface between user equipment and network end equipment

D.

Establish and clear a network-wide connection between two transport protocol entities

To determine whether the optical fiber lines and connectors on the wavelength division side are normal, which of the following loopback methods is most suitable?

A.

WDM side inner loopback

B.

WDM side outer loopback

C.

Client side loopback

D.

Client side outer loopback

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

When any of the following situations occurs, the ODUk_PM_DEG alarm will be reported on the NMS?

A.

When the number of errors in the PM segment of the ODU layer exceeds the limit, the number of errors exceeds the specified error threshold.

B.

When the PM segment of the ODU layer is degraded by bit errors, and the number of error codes exceeds the specified bit error degradation threshold

C.

The ODUkTCMng signal is degraded, and the number of bit errors exceeds the specified error threshold.

D.

The error error of the ODUkTCMn layer exceeds the limit, and the number of error errors exceeds the specified error degradation threshold.

In WDM systems, the use of dielectric thin film filters (TFFs) is ideal when less than ( ) wavelengths are used.

A.

4

B.

8

C.

16

D.

20

Which one is wrong in the description of hardware redundancy backup of PTN7900-32?

A.

SCA board 1+1 backup

B.

XCS board 6+1 backup

C.

3+3/4+4/5+5 backup of power supply

D.

Fan 1+1 Backup

How many bits does the VLAN ID occupy in the Ethernet frame format marked with IEEE 802.1Q?

A.

8

B.

10

C.

12

D.

14

In order to quickly locate and eliminate the faults of optical network equipment in a timely manner, maintenance personnel are proficient in the basic operation of common transmission instruments. Which of the following instruments are

commonly used in optical network equipment maintenance?

A.

2M Bit Error Tester

B.

Optical Power Meter

C.

SDH Analyzer

D.

Light decay

E.

Multimeter

F.

Pigtail

Regarding the operation of deleting the path from the network management, which of the following statements is wrong?

A.

Deleting a trail from the network layer only deletes the WDM trail at the network layer on the NMS side

B.

Delete the path from the NE layer. Delete the path on the NE side and the NE layer together.

C.

Once the network layer deletes the trail, the service will not be interrupted

D.

After the path is deleted from the network layer and the network element, the service will be interrupted

Which of the following statements about the FEU board is false?

A.

The FIU board does not process monitoring information

B.

The FIU can complete the access and release of the OSC channel

C.

Using ESC, OTM station needs a FIU

D.

Using OSC, both OLA station and OADM station need two FIUs

Which of the following is the service board type Y of MSTP equipment

A.

Interface board

B.

Service Processing Board

C.

Service processing board with interface

D.

Auxiliary board

When the switch is working, the device forwards data according to the MAC address forwarding table. Which of the following statements is correct?

A.

If the destination MAC address of the packet is the broadcast MAC address, it will be flooded to all ports including the source port.

B.

If the destination address of the message is a unicast MAC address, look up the MAC address table, and if found, forward the frame to the corresponding port (excluding the source port)

C.

If the destination address of the packet is a unicast MAC address, but there is no corresponding entry in the MAC address table, the packet is discarded

D.

If the MAC address entry of the device reaches the upper specification limit of the device, the device cannot learn new MAC address entries, and the packet is discarded.

MPLS is used to label packets instead of IP forwarding. Which of the following descriptions about MPLS packet encapsulation are correct?

A.

The Type field in the ETH header is set to 0x8847 to indicate that it is followed by MPLS label encapsulation

B.

The nested encapsulation of MPLS can only be two layers, PW and Tunnel two layers of labels

C.

The MPLS label of the Tunnel carrying the PW, where the S bit is set to 1

D.

IP packets can be directly carried on the Tunnel

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Total 326 questions
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