H35-260 HCSA-Field-Transmission & PTN V1.0 Questions and Answers

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?

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

In the PTN equipment, what is the default TAG mark of the Ethernet port?

Which of the following LSRs are passed by an LSP?

In the MPLS-TPOAM architecture of PTN equipment, what are the functions of network performance maintenance?

Where in the L2/L3 node is the VLAN in the Layer 2 header stripped in the packet sent by the base station in the LTE solution?

In order to support the self-opening of the base station, the DHCP Relay function is deployed in the PTN LTE bearer network. Which of the following descriptions is wrong?

In the PTN network, the L3 node needs to learn the ARP message to forward the message to the SGW. What is the type of the ARP response message?

When configuring SxCS board for OSN3500. Which of the following is the access capacity of a fully configured subrack?

Which of the following functions does Netstar ODT have?

What is the main function of the physical layer?

The IP address of the interconnection interface generally uses a 30-bit mask. Which of the following IP addresses can be configured at both ends of the link?

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

If an error occurs in the SDH network, the service signal recovered after the signal is decapsulated must have an error.

Which of the following descriptions about the IS-IS backbone area are correct?

The international professional organization responsible for allocating P addresses has divided several network segments as private network segments, which can be freely allocated and used by people on the private network. What are the

following network segments belonging to private addresses?

Which items are correct about the description of Huawei's PTN6900 E-Trunk?

Which of the following does not belong to L3VPN?

Which of the following alarms will be reported when a fiber cut test is performed on a common MSP ring?

Which of the following technologies is used in the dynamic BGP MPLS L3VPN to distinguish the same IP address in different VPNs in the BGP protocol?

OSN6800 equipment, ND2, TQX report the BUS_ERROR alarm after configuring the power cross-connect, what are the possible reasons?

In the Ethernet LAG, which of the following modes needs to enable the LACP protocol?

A company has a class C IP address segment 198.160.110.0/24. The company has 6 departments, each department is located in a different subnet, and the number of hosts in each subnet

is the same as 25-30. Which of the following can be used as the subnet mask to reasonably plan the P address space?

After the alarm inversion is set on the U2000, the alarm status of the board will also be changed accordingly, and the actual alarm status will no longer be indicated.

The 1588V2 clock protocol can realize clock and time synchronization, and the working modes are OC, BC, TC.

The services carried by PWE3 need to be sensed by the internal nodes of the PSM network.

When the bridge is using ML learning mode, create an entry in the MAC.Address gateway depending on the source MAC map and server port. This entry applies to all VANs

Which of the following is not included in the function of the Inspector inspection tool?

Optix Datacollector supports black box fault data collection for various products. Which of the following products are not supported?

When the PTN equipment configures the CBS parameters of QoS, the value affects which items are described correctly

During the normal operation of the network, the service channel protected by ODUK SNCP generates a condition for triggering protection switching, and the service has been automatically switched to the protection channel. When the fault

of the working channel is eliminated, the service cannot be automatically restored to the working channel.

In the PHB̂ category of common FTN service flows, which of the following corresponds to the voice service?

Which of the following conditions can cause the board to insert the BDI maintenance signal back to the upstream site?

Which of the following item levels are included in the MPLS-TP OAM detection object?

What are the items of routing protocols based on link state algorithm?

It is known that the nominal value of single-wave input and output of OAU101 is -16/+4dbm, and the gain range is 20〜31db. If there is a wave of -20dbm signal at the input end, use DCM (A) (insertion loss 4db),

which is To make it reach the nominal output, the gain on the network management should be set to which of the following values

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

When TCAT adds points, it recalculates the Tunnel and distributes the configuration. Which of the following information is being modified?

DCM optical power debugging requires the input of DCM to be no greater than which of the following values?

Which of the following statements about EDFA is false?

What are the values of each wavelength in the composite signal that the spectrum analyzer is mainly used for?

Which of the following descriptions about single-site commissioning is wrong?

Which of the following residual dispersion values are within the dispersion tolerance of the TN52ND2 board?

What kind of fault detection is used to trigger VPN FRR protection in PTN LTE?

When using the LCAS function, which of the following overhead bytes are used to transmit control information?