[Mar 16, 2026] Ultimate H35-210_V2.5 Guide to Prepare Free Latest Huawei Practice Tests Dumps
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NEW QUESTION # 16
The ADSL2+ is an extension of the ADSL technology. It supports a maximum downstream rate of 24 Mbit/s and an upstream rate of 2.5 Mbit/s. The maximum transmission distance can reach 6.5 km.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
* ADSL2+ Specifications :
* Downstream Rate : ADSL2+ supports a maximum downstream rate of 24 Mbit/s under ideal conditions.
* Upstream Rate : The maximum upstream rate is typically 1 Mbit/s to 3.5 Mbit/s , depending on the line conditions.
* Transmission Distance : The maximum transmission distance for ADSL2+ is approximately 5.5 km , not 6.5 km. Beyond this distance, signal attenuation becomes significant, reducing performance.
* Why FALSE?
* The statement incorrectly states that the maximum transmission distance is 6.5 km, which exceeds the typical range for ADSL2+.
Thus, the correct answer is B .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: ADSL2+ Specifications.
* ADSL2+ Technical Overview by Huawei.
NEW QUESTION # 17
In the H.248 protocol, the terminal can be programmed to detect events. Once these events are detected, the MG will send a report to the MGC or the MG will take corresponding actions.
- A. Modify
- B. AuditCapabilities
- C. ServiceChange
- D. Notify
Answer: D
NEW QUESTION # 18
A school uses the POL networking and has only one campus. During VLAN design, VLANs are divided by service type and services are identified by a single VLAN tag. In this case, which VLAN attribute should be used?
- A. Stacking
- B. Common
- C. QinQ
- D. Sub
Answer: B
Explanation:
* VLAN Attributes :
* Common VLAN : Used for standard VLAN tagging, where a single VLAN tag identifies the VLAN.
* QinQ VLAN : Adds an additional VLAN tag for double-tagging, typically used in carrier networks.
* Sub VLAN : Part of a Super VLAN configuration, used for IP address conservation.
* Stacking VLAN : Similar to QinQ, used for double-tagging.
* Scenario Analysis :
* The school uses a single VLAN tag to identify services by type (e.g., student, faculty, administration).
* Since only one VLAN tag is used, the appropriate VLAN attribute is Common .
* Why A?
* Common VLAN is the simplest and most suitable choice for scenarios requiring single-tag VLAN identification.
Thus, the correct answer is A .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: VLAN Design.
* IEEE 802.1Q VLAN Tagging Standards .
NEW QUESTION # 19
Ethernet switches work in the ( ) layer of the OSI model.
- A. Data link layer
- B. Transport layer
- C. Network layer
- D. Physical layer
Answer: A
NEW QUESTION # 20
Regarding the MA5600T/MA5680T Ethernet access service board, which of the following statements is correct?
- A. Both H801ETHA and H801ETHB support Ethernet cascading and Ethernet uplink
- B. None of the above
- C. H801ETHA supports Ethernet cascading and Ethernet uplink
- D. H801ETHB supports Ethernet cascading and Ethernet uplink
Answer: D
NEW QUESTION # 21
GPON is an Ethernet-based passive optical access technology that complies with IEEE 802.3ah.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
GPON Overview:
GPON (Gigabit Passive Optical Network) is a fiber-optic access technology standardized by the ITU-T (International Telecommunication Union) under the G.984.x series of standards. It is not based on Ethernet but uses its own framing structure called GEM (GPON Encapsulation Method) for data transmission.
IEEE 802.3ah:
IEEE 802.3ah is the standard for EPON (Ethernet Passive Optical Network) , which is a competing technology to GPON.
EPON uses Ethernet frames for data transmission and is standardized by the IEEE, unlike GPON, which is standardized by ITU-T.
Why FALSE?
The statement incorrectly associates GPON with IEEE 802.3ah, which applies to EPON, not GPON.
Thus, the correct answer is B.
NEW QUESTION # 22
When querying the status of the board, which of the following board statuses need to be processed to ensure that the board can be used normally? (Multiple choice)
- A. Auto_find
- B. Auto_load
- C. Normal
- D. Failed
Answer: B,C
NEW QUESTION # 23
Which method does BTV service use to send messages in the network?
- A. Broadcast
- B. Multicast
- C. Unicast
Answer: B
NEW QUESTION # 24
In the EPON network, what are the management protocols running between the OLT and the ONT?
- A. OMCI
- B. IGMP
- C. OAM
- D. SNMP
Answer: C
NEW QUESTION # 25
When the MA5600 SCU main control board starts to load, what is the status of the RUN light?
- A. 0.25 second on, 0.25 second off, periodic flashing
- B. 0.5 seconds on and 0.5 seconds off, flashing periodically
- C. 1 second on and 1 second off, periodic flashing
- D. 2 seconds on and 2 seconds off, periodic flashing
Answer: A
NEW QUESTION # 26
Which of the following optical modules has the most sufficient optical loss budget?
- A. CLASS C+
- B. CLASS C++
- C. CLASS B+
- D. CLASS B
Answer: B
Explanation:
Optical Module Classes:
Optical modules are classified based on their optical loss budget, which determines the maximum distance they can support over fiber-optic cables.
Class Comparison :
CLASS B: Supports shorter distances with lower optical loss budgets.
CLASS B+: Provides a higher optical loss budget than CLASS B, supporting longer distances.
CLASS C+: Offers an even higher optical loss budget, suitable for extended-reach deployments.
CLASS C++: Provides the highest optical loss budget, enabling the longest reach and greatest flexibility in network design.
Why B?
CLASS C++ has the most sufficient optical loss budget, making it the best choice for scenarios requiring maximum reach and reliability.
Thus, the correct answer is B.
NEW QUESTION # 27
When the UA5000 is configured with the H.248 protocol to connect to the softswitch, which of the following parameters must be consistent at both ends?
- A. Coding method
- B. Transport layer protocol port number
- C. Transport layer protocol type
- D. MG interface description information
Answer: A,B,C
NEW QUESTION # 28
Is the following description correct? MxU automatic upgrade strategy, that is, when the device is powered on, the current version of the device is automatically compared with the target version of the strategy. If it is inconsistent, the device software version is automatically upgraded to the target version.
- A. False
- B. True
Answer: B
NEW QUESTION # 29
Which of the following modules is not a functional module of the MA5600 SCU main control board?
- A. CPU module
- B. Ethernet switch module
- C. Clock module
- D. Separator module
Answer: D
NEW QUESTION # 30
The UA5000 narrowband main control board PVM and the broadband main control board IPM are jointly networked and provide voice services and broadband services at the same time. The voice services are transmitted to the IPM single board through the internal IP channel, and then transmitted by the upstream interface of the IPM single board.
To the upper network, which command should be used to configure the system networking mode at this time?
- A. working mode alone
- B. uplink tps off
- C. uplink tps on
- D. working mode integrated
Answer: D
NEW QUESTION # 31
Which of the following statements are reasonable for ONU deployment in POL scenarios?
(Multiple choice)
- A. The later maintainability should be fully considered when deploying the ONU, and the location where the ONU is installed should be convenient for maintenance.
- B. The deployment of ONU should also consider aesthetics. If customers have high requirements for aesthetics, installation methods such as under-desk installation and information box embedded in the wall can be optional options.
- C. The installation location and method of the ONU need to consider multiple factors, and choose a more balanced solution among the factors.
- D. When deploying ONU, the later expansion needs should also be considered, especially when using information boxes to install ONUs, sufficient space for equipment installation should be reserved for future expansions.
- E. The closer the ONU is deployed to the information node, the better. The closer it is to the information node, the better the access features and advantages of the POL. Therefore, for the large-bay office scenario, the ONU is preferentially deployed on the desk surface or below.
- F. The security of the ONU needs to be considered during deployment, especially the risk of equipment heat dissipation and human damage.
Answer: A,B,C,D,E,F
NEW QUESTION # 32
Access-layer devices are required to provide access for a large number of information terminals on both telecom networks and campus networks. Access-layer devices use various technologies.
Huawei's broadband "access network" devices refer to the copper line access devices that mainly use the xDSL technology and the optical access devices that mainly use the PON technology.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
Huawei's broadband access network devices are designed to support multiple technologies for providing connectivity to end users. These devices primarily include:
Copper Line Access Devices: These devices use xDSL (Digital Subscriber Line) technology, which is widely used for broadband access over traditional telephone lines. Examples include ADSL, VDSL, and G.fast.
Optical Access Devices: These devices use PON (Passive Optical Network) technology, which is a fiber-optic-based access technology. GPON (Gigabit Passive Optical Network) and XGS-PON (10-Gigabit Symmetric Passive Optical Network) are examples of PON technologies. The statement aligns perfectly with the HCIA Huawei ACCESS documentation, which emphasizes the role of access-layer devices in supporting both copper and fiber-based technologies.
NEW QUESTION # 33
MA5680T configures GPON ONT templates through templates.
What templates need to be configured?
- A. GPON ONT line template
- B. GPON ONT capability template
- C. GPON ONT business template
- D. DBA template
Answer: A,C,D
NEW QUESTION # 34
In UA5000, which of the following boards can provide 32 ADSL2+ interfaces and 32 POTS interfaces at the same time?
- A. ADRB
- B. ADRI
- C. A32
- D. CSRB
Answer: D
NEW QUESTION # 35
Is the following description correct? G.SHDSL broadband access technology is suitable for high-speed Internet access and video conferencing for users in hotels and Internet cafes, but it cannot provide dedicated line interconnection and dedicated line access.
- A. False
- B. True
Answer: A
NEW QUESTION # 36
Which of the following statements about XGS-PON key technologies are incorrect? (Select All that Apply)
- A. The OLT retains equalization delay parameters unchanged after initial ONU registration.
- B. The dynamic threshold adjustment function enables the OLT to adjust the threshold when receiving optical signals.
- C. To ensure data security, XGS-PON uses the AES encryption algorithm to encrypt an entire packet.
- D. The optical module on the OLT side must support burst transmission.
Answer: A,C
Explanation:
A (Incorrect): XGS-PON encrypts the payload, not the entire packet.
NEW QUESTION # 37
Generally, which of the following is not a split ratio of an optical splitter in a PON?
- A. 1:8
- B. 1:14
- C. 1:18
- D. 1:4
Answer: B,C
Explanation:
* Optical Splitter Overview :
* Optical splitters are passive devices used in PON (Passive Optical Network) systems to divide the optical signal from the OLT into multiple paths for ONUs.
* Standard Split Ratios :
* Common split ratios include:
* 1:4 : Divides the signal into 4 paths.
* 1:8 : Divides the signal into 8 paths.
* 1:16 : Divides the signal into 16 paths.
* 1:32 : Divides the signal into 32 paths.
* 1:64 : Divides the signal into 64 paths.
* Non-standard split ratios like 1:14 or 1:18 are not supported because they do not align with the design principles of PON systems.
* Why B, C?
* 1:14 and 1:18 are not standard split ratios and are not used in PON systems.
Thus, the correct answers are B, C .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: Optical Splitters.
* ITU-T G.984.x Standards for GPON .
NEW QUESTION # 38
In the H.248 protocol, how to apply for gateway registration?
- A. Send SVC_CHG_REQ from MG to MGC
- B. Send MOD_REQ from MG to MGC
- C. Send MOD_REQ from MGC to MG
- D. Send SVC_CHG_REQ from MGC to MG
Answer: A
NEW QUESTION # 39
For GPON lines, MA5600T/MA5680T supports multiple protection switching methods. Which protection technology below MA5600T/MA5680T supports simultaneous protection of backbone fiber and branch fiber?
- A. Type A
- B. Type D
- C. Type B
- D. Type C
Answer: D
NEW QUESTION # 40
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