Free H35-210_V2.5 Sample Questions and 100% Cover Real Exam Questions (Updated 450 Questions)
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Huawei H35-210_V2.5 certification exam consists of a written exam and a lab exam. The written exam covers theoretical concepts related to access networks, while the lab exam assesses the candidate's ability to configure, deploy, and maintain access networks using Huawei's access network products and solutions. HCIA-Access V2.5 certification exam is designed to ensure that candidates have the necessary skills and knowledge to successfully implement and maintain access networks using Huawei's products and solutions.
Huawei is a world-renowned technology company that offers a range of products and services in various fields. The company is known for its innovative solutions and its commitment to excellence. One of the areas in which Huawei has made significant strides is in the field of network technologies. To ensure that professionals in this field are equipped with the knowledge and skills necessary to work with Huawei products, the company offers certification exams. One such exam is the Huawei H35-210_V2.5 (HCIA-Access V2.5) Certification Exam.
Huawei H35-210_V2.5 (HCIA-Access V2.5) Exam is a certification exam designed to test the knowledge and skills of IT professionals in the field of access network technologies. Huawei is a leading provider of access network solutions, and H35-210_V2.5 exam is an important step in becoming certified in their products and services. H35-210_V2.5 exam covers a wide range of topics, including basic access network technologies, deployment and management of access network devices, and troubleshooting.
NEW QUESTION # 233
Which of the following statements about XGS-PON key technologies are incorrect? (Select All that Apply)
- A. To ensure data security, XGS-PON uses the AES encryption algorithm to encrypt an entire packet.
- B. The optical module on the OLT side must support burst transmission.
- C. The OLT retains equalization delay parameters unchanged after initial ONU registration.
- D. The dynamic threshold adjustment function enables the OLT to adjust the threshold when receiving optical signals.
Answer: A,C
Explanation:
A (Incorrect): XGS-PON encrypts the payload, not the entire packet.
NEW QUESTION # 234
When performing FTTx networking and data planning, user security needs to be considered. Which of the following measures can prevent attacks between users?
- A. Defense IP spoofing
- B. Layer 2 isolation and controlled mutual access of users
- C. Use anti-mac to solve
- D. Use port physical information to identify users
Answer: B
NEW QUESTION # 235
When the MA5600T configures the multicast service, which of the following options must be configured, otherwise the multicast program may not be able to be viewed?
- A. Multicast VLAN
- B. igmp program
- C. igmp profile
- D. igmp user
Answer: A,D
NEW QUESTION # 236
The broadband user account has been authenticated, but all webpages cannot be opened. What is the possible reason? (Multiple choice)
- A. Incorrect IE settings on the user's PC
- B. The upper-layer device data is set incorrectly
- C. There is a problem with the website server
- D. User's personal computer firewall is set incorrectly
Answer: A,D
NEW QUESTION # 237
According to the ITU-T G.984.x series of standards, what are the upstream and downstream bandwidths of GPON?
- A. 1.25Gbps/1.25Gbps
- B. 2.5Gbps/2.5Gbps
- C. 2.5Gbps/1.25Gbps
- D. 1.25Gbps/2.5Gbps
Answer: D
NEW QUESTION # 238
In order to ensure the traceability of users and the refined QoS control management based on users and services, Internet services are planned using PUPSPV (per user, service, and VLAN), and the attributes of SVLAN on the OLT are recommended to be configured. For what kind?
- A. common
- B. smart
- C. QinQ
- D. stacking
Answer: D
NEW QUESTION # 239
Is the following description correct? The VPI/VCI of the ATM cell has only local importance, and the VPI/VCI value of each node in the transmission process can be changed.
- A. False
- B. True
Answer: B
NEW QUESTION # 240
In a GPON network, DBA has the following functions:
- A. Adds more ONUs to a PON port.
- B. Improves the upstream bandwidth utilization of a PON port.
- C. Increases the upstream bandwidth of a PON port.
- D. Improves the downstream bandwidth utilization of a PON port.
Answer: B
Explanation:
* DBA (Dynamic Bandwidth Allocation) :
* DBA is a mechanism in GPON networks that dynamically allocates upstream bandwidth among ONUs based on their traffic demands.
* Functions of DBA :
* Improves upstream bandwidth utilization : DBA ensures efficient use of the limited upstream bandwidth by allocating it dynamically to ONUs as needed.
* Does not increase total upstream bandwidth : The total upstream bandwidth of a PON port is fixed and determined by the hardware. DBA optimizes how this bandwidth is used.
* Does not affect downstream bandwidth : Downstream bandwidth is shared via broadcasting and is not managed by DBA.
* Does not add more ONUs : The number of ONUs supported by a PON port depends on hardware capacity, not DBA.
* Why C?
* DBA improves the efficiency of upstream bandwidth utilization by dynamically allocating resources.
Thus, the correct answer is C .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: GPON DBA Mechanism.
* GPON Dynamic Bandwidth Allocation by Huawei.
NEW QUESTION # 241
Which of the following access technologies has the fastest speed?
- A. SHDSL
- B. VDSL2
- C. ADSL2+
- D. ADSL
Answer: B
NEW QUESTION # 242
The customer needs to access the following information points: AP, PC, POTS, and CATV. Which of the following statements about data transmission of these information points by ONUs is correct?
- A. When an OLT is connected downstream to an ONU, one fiber and two wavelengths are used to carry CATV and other services respectively. All services except CATV are encapsulated into Ethernet frames before PON encapsulation.
- B. When an OLT is connected downstream to an ONU, one fiber and two wavelengths are used to carry CATV and other services respectively. For all services except CATV, if POTS is a TDM service, it is transparently transmitted.
- C. POTS voice services are TDM services and directly encapsulated in GEM frames.
- D. All types of data are encapsulated into Ethernet frames before PON-related encapsulation and transmission over one fiber.
Answer: A
Explanation:
* Service Types and Transmission :
* AP/PC (Data Services) : These services are typically Ethernet-based and encapsulated into Ethernet frames before being transmitted over the PON network.
* POTS (Voice Services) : Voice services can be either TDM-based or packetized. In modern GPON/XGS-PON systems, POTS is often packetized into Ethernet frames.
* CATV (Video Services) : CATV uses a separate wavelength (1550 nm) for analog or digital video transmission.
* Wavelength Division Multiplexing (WDM) :
* GPON/XGS-PON systems use WDM to transmit multiple services over a single fiber:
* One wavelength (1490 nm or 1577 nm) is used for data services (Ethernet).
* Another wavelength (1550 nm) is used for CATV.
* Analysis of Options :
* Option A : Incorrect because CATV is not encapsulated into Ethernet frames; it uses a separate wavelength.
* Option B : Correct because CATV uses a separate wavelength, and other services are encapsulated into Ethernet frames before PON transmission.
* Option C : Incorrect because POTS services are typically packetized into Ethernet frames in modern systems, not directly encapsulated in GEM frames.
* Option D : Incorrect because POTS is not transparently transmitted in modern GPON/XGS-PON systems.
Thus, the correct answer is B .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: GPON Service Encapsulation.
* ITU-T G.984.x Standards for GPON .
NEW QUESTION # 243
The 48-bit MAC addresses of computer network interface cards are allocated by the IETF to vendors and globally unique.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
MAC (Media Access Control) addresses are 48-bit identifiers assigned to network interfaces for communication on a local network.
* Allocation of MAC Addresses :
* MAC addresses are not allocated by the IETF . Instead, they are managed and assigned by the IEEE (Institute of Electrical and Electronics Engineers) .
* The IEEE assigns blocks of MAC addresses to hardware manufacturers (vendors), who then assign unique MAC addresses to their devices.
* Structure of MAC Addresses :
* The first 24 bits (Organizationally Unique Identifier, OUI) identify the manufacturer.
* The remaining 24 bits are assigned by the manufacturer to ensure global uniqueness.
* Why FALSE?
* The statement incorrectly attributes the allocation of MAC addresses to the IETF, which is responsible for Internet standards like TCP/IP, not MAC address allocation.
Thus, the correct answer is FALSE .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: MAC Addressing.
* IEEE OUI Assignment Process .
NEW QUESTION # 244
When maintaining or managing an OLT locally, you can log in to the system through the local serial port.
Which of the following port is connected to the RJ-45 connector of the RS-232 serial cable?
- A. ETH port on the control board
- B. CON port on the control board
- C. Network port of the maintenance PC
- D. ESC port on the control board
Answer: B
NEW QUESTION # 245
Is the following description correct? Set the TCONT type bound to the IPTV service of a certain ONT to Type2 and a bandwidth of 20M, then the maximum IPTV service cannot exceed 20M.
- A. True
- B. False
Answer: B
NEW QUESTION # 246
In the downstream direction of the GPON, all ONUs receive the same data because the broadcast mode is adopted. In the upstream direction, because the same optical splitter is used, the data of a branch fiber can also be received by another branch fiber.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
Downstream Transmission:
In GPON, downstream data is broadcast to all ONUs. However, each ONU only processes the data intended for it, identified by a unique identifier (ONU ID).
Upstream Transmission:
In the upstream direction, GPON uses TDMA (Time Division Multiple Access) to prevent collisions. Each ONU transmits data during its allocated time slot, and the optical splitter does not allow data from one branch fiber to interfere with another.
Why FALSE?
The second part of the statement is incorrect. Data from one branch fiber cannot be received by another branch fiber due to the TDMA mechanism and the design of the passive optical splitter.
Thus, the correct answer is B.
NEW QUESTION # 247
When you need to maintain and manage the MA5600T/MA5603T equipment locally, you can log in to the system through the local serial port.
Which interface is the RS-232 serial cable RJ-45 network port connector connected to?
- A. "ESC" port on the main control board
- B. The network port of the maintenance PC
- C. "ETH" port on the main control board
- D. "CON" port on the main control board
Answer: D
NEW QUESTION # 248
ODN link total loss includes which of the following aspects?
- A. Optical fiber transmission loss
- B. Splicing and cold splicing loss
- C. Connector, adapter (flange) loss
- D. Splitter loss
Answer: A,B,C,D
NEW QUESTION # 249
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