H35-211_V2.5 Exam Questions

In the NGN system, () adopts packet technology to provide a unified integrated transmission platform with high reliability, QOS guarantee and large capacity.

Which of the following options belongs to the downstream wavelength of XGS-PON?

In GPON systems, congestion avoidance is achieved by actively discarding packets. Which of the following is a discard strategy that GPON does not support?

Which of the following statements about congestion avoidance is incorrect?

Which of the following options is correct about congestion avoidance?

On the OLT, debug commands are commonly used debugging tools. Which of the following is not a debug command?

After voice configuration is complete, the local number (08038878502) and the remote number (08038878501) can be registered normally on the IMS. However, every time I use this phon...

In a GPON network, a newly configured OLT cannot be managed properly by the network management server, but can be pinged successfully. Which of the following options is correct?

Which of the following descriptions of the HWTACACS protocol function is incorrect?

In GPON network protection, the following about Type Which of the descriptions of Type A and Type B is correct?

Regarding the OLT+MDU and OLT+ONT networking, which of the following statements about multicast capabilities is correct?

Deploying QoS can solve user service quality issues during network communications. Which of the following is not one of its purposes?

Which of the following options is a RADIUS feature?

Which of the following descriptions about the LACP protocol controlling the master-slave relationship of interconnected devices is incorrect?

Under IGMP snooping, two users request the same program under the OLT. The OLT sends two join messages to the multicast router.

Multicast technology effectively solves the problem of single-point transmission and multi-point reception and realizes efficient point-to-multipoint data transmission in IP networ...

When the ONT fails or the hardware needs to be upgraded, the ONT needs to be replaced. The ONT service needs to be removed on the OLT first, then the ONT terminal needs to be remov...

When Type C dual-homing protection is linked to uplink detection, if the OLT or OLT uplink fails, Type C dual-homing protection can switch to the other OLT.

OLT can support directly copying the user message priority as the priority of the forwarded message, and also supports direct local configuration.

In the Huawei U 2000 management system, access network elements can only be added one by one.

On the U2000 network management system, it is observed that the OLT PON port indicator light is not green, indicating that the PON port is faulty.

OLT equipment supports the use of permission templates to control the programs that multicast users can watch.

If there is a rogue ONU under the OLT PON port and the ONT is online, it will cause other ONTs or all ONTs under the same PON to go offline or go online frequently.

When configuring the VolP service on the U2000 network management system, voice-related parameters can be configured in the ONT value-added service general horizontal panel of the...

Consider 500 broadband users, with a concurrency rate of 40%, a transmittance of 50%, an online bandwidth of 4M, a duty cycle of 12.5%, a number of routes of 1, and a coverage rate...

The data multiplexing method of 10G GPON is similar to that of GPON, and the uplink still uses TDMA technology.

According to the token status in the token bucket, the device marks the message with color (green, yellow, red). The color of the mark is mainly to provide a basis for message proc...

In the GPON VOLF service, when the user picks up the phone and hears no tone or a busy tone, the possible cause is a user interface failure.

PPPOE dial-up simulation refers to simulating the user terminal to initiate the PPoE dial-up process on the access device. By analyzing the PPE dial-up simulation results, the netw...

License files control the management capabilities and functions of communications equipment. The Huawei U2000 management system also requires corresponding license files. Without a...

Similar to the command line configuration method, the MxU does not generally use the OMCI channel to deliver service configuration. In eSight, zero-configuration deployment is only...

The SIP protocol is a layered protocol, divided into 4 layers in total, among which the transaction layer is used to create or cancel client transaction instances.

If the quick leave function of multicast users is enabled, users can get a better service experience when switching channels.

Line failure is a common fault in GPON networks. Since it is a physical layer fault, eSight cannot monitor information such as the fiber status and line quality between ON and OLT.

In the general template for value-added services configured for the ONT on the U2000, the WAN port capability for WAN port management is enabled by default and needs to be changed...

For messages from the client, the VLAN tag carried in the message will be prioritized for flow matching. If no match is found and TLS service flow is deployed on the device, such m...

ITU-T G-984.2 standard defines four line protection methods in GPON networks.

GPON system only supports AES128 encryption in the downstream, 10G The PON system supports bidirectional AES encryption.

Single - mode optical fiber must be used in ODN networks.

If the configuration sent by OLT to ONU exceeds the capability of ONU, the configuration status of ONU will become failed.

The process of voice fault location can generally be divided into: eliminating external equipment faults, locating the fault to specific equipment, and locating the fault to a sing...

In the GPON voice service deployment, ONU devices can use SIP and H.248 protocols at the same time.

When creating a performance monitoring template in the NCE system, set the period to 15 minutes. The monitoring instance created based on the template will report the collection re...

For some campus networks, a single-layer VLAN can already meet the needs. When planning VLANs, C-VLAN and S-VLAN can plan the same VLAN ID. When creating service flows, the VLAN sw...

According to the agreement, the maximum distance of GPON port ranging compensation cannot exceed 60km, and the difference between the nearest and longest distances cannot exceed 20...

Multicast VLAN refers to the VLAN carried by multicast data, also known as NVLAN. VLANs with any attributes or types can become multicast VLANs, including Super VLANs.

The MSTP protocol is compatible with STP and RSTP and can make up for the shortcomings of STP and RSTP.

eSight provides the ONT device replacement function, which allows you to replace a faulty ONT with a new one while retaining the original device configuration data.

PON uses a single-fiber bidirectional transmission mode, so there is no single-pass failure.

POL is a campus LAN solution based on PON technology. It is a Layer 2 transmission network that provides gigabit access to user terminals and unified access to campus data, voice,...