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Huawei H35-211_V2.5 (HCIP-Access V2.5) Certification Exam is a valuable certification for IT professionals who want to advance their career in the field of network engineering. HCIP-Access V2.5 certification validates the candidate's skills and knowledge in Huawei access network technologies, and can help them to stand out from the competition in the job market.
NEW QUESTION # 17
The complete SIP message interaction process will contain multiple request and response messages, and the
sIP message header field can be used to describe what the specific solution corresponding to the current
response message is
- A. First line
- B. Csea
- C. Message body
- D. CaLL-ID
Answer: B
NEW QUESTION # 18
The (radio) device periodically sends and receives LMCP packets to avoid information loss, and if packets are
not received during ( ) LACp packet interaction cycles, the system considers the port to be down
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 19
(Multiple select) When there is a backbone fiber break or OLT does not detect the expected optical signal (L0S) alarm, the possible cause is that
- A. Any power loss or failure under the port
- B. The port backbone fiber is faulty
- C. The port laser is turned off
- D. Rogue ONU exists under the port
Answer: A,B,C
NEW QUESTION # 20
Which of the following statements about the E2E ODN pre-connection solution are correct?
- A. Splitters are installed in pre-connected boxes and occupy small space.
- B. Easy to maintain, no need for fiber splicing, and low maintenance skill requirements
- C. Easy deployment, 100% splicing-free, no need for professional skills and tools, and improved efficiency
- D. The pre-connection solution uses distributed optical splitting to reduce the number of drop cables, thereby reducing the number of pipes and cables.
Answer: A,B,C,D
Explanation:
Huawei's E2E pre-connection ODN (pre-connectorized ODN) adopts factory-pre-terminated cables, closures and splitter modules. Features highlighted in HCIP-Access V2.5 include: splicing-free quick installation (raising build efficiency and reducing skill/tool dependence), compact pre-connected splitter boxes, distributed splitting that shortens drop lengths and reduces ducts/cables, and easy O&M because modules are plug-and-play with no field splicing.
References: HCIP-Access V2.5 Study Guide - ODN Construction Solutions (Pre-connection/E2E), ODN Engineering and Maintenance Guidelines - features & advantages of pre-connectorized ODN.
NEW QUESTION # 21
The ONU optical module has requirements on the type of the fiber connector. Before the design and selection, read the ONU specifications carefully and select a proper fiber connector.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 22
According to the NGN architecture, drag the following devices to the corresponding layers. (Score only when all the answers are correct.)
Answer:
Explanation:
NEW QUESTION # 23
Before traffic scheduling, the OLT needs to classify service flows. Which of the following can be used for traffic classification?
- A. DSCP field in an IP packet
- B. ToS field in an IP packet
- C. EXP field in an MPLS packet
- D. 802.1p CoS field
Answer: D
NEW QUESTION # 24
(Multi-select) Use 0TDR to locate the abnormally attenuated location in the optical path, and after the OTDR is connected to the detected line, which of the following parameters can be set.
- A. Set the mode
- B. Sets the pulse width
- C. Set the wavelength
- D. Set the measurement range
Answer: A,B,C,D
NEW QUESTION # 25
In video services, if the VOD service is normal but the live service encounters a black screen, which of the following are possible causes?
- A. PQ is used for downstream congestion management of an OLT.
- B. On the ONU, the VLAN of the VoD service is different from that of the live service. On the OLT, there is only one video service stream.
- C. The traffic profile corresponding to the OLT upstream multicast service flow is set to a low priority.
- D. DWRR is used for upstream congestion management of an OLT.
Answer: B
NEW QUESTION # 26
The (radio) 10G GPON system uses XGEN frames to encapsulate data, and the PORT ID is defined in the XGEN header as () bits.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 27
(Single)When deploying home and guest services in a PON system, which of the following services has the highest priority?
- A. IPTV
- B. VOIP
- C. GAME
- D. INTERNET
Answer: B
NEW QUESTION # 28
The priority of the packets at the egress port can be mapped or set directly. Which of the following statements about priority processing is correct?
- A. Priorities of outbound and inbound packets are strictly mapped. An outer VLAN ID cannot be mapped to the priority of an inner VLAN ID.
- B. The priority policy must be tag-in-package regardless of the priority setting mode.
- C. The priority mapping can be set separately for the inner and outer priorities.
- D. The priority mapping needs to match the corresponding mapping profile. The mapping in a profile is fixed.
Answer: C
NEW QUESTION # 29
The number of users under the OLT can also determine whether the VLAN is single-layer or dual-layer VLAN. Single-layer VLANs can be used when the number of users is small, and dual-layer VLANs must be used when the need to distinguish services and the number of users is second to ().
- A. CS
- B. 2K
- C. 4K
- D. 1K
Answer: C
Explanation:
A single-layer VLAN is limited by the IEEE 802.1Q VLAN ID space (1-4094), i.e., about 4K VLANs. In large PON deployments, when you must separate multiple services (e.g., HSI, VoIP, IPTV) and the user scale approaches or exceeds the 4K ceiling, a dual-layer VLAN (QinQ) design is required to extend the VLAN namespace and implement hierarchical isolation (access VLAN + service/aggregation VLAN).
References: HCIP-Access V2.5 Study Guide - VLAN Planning for Access Networks; Huawei Access Network Design Guide - Single-Layer vs. QinQ Capacity Considerations.
NEW QUESTION # 30
(Radio) When using the siP protocol, you need to use a local number graph for matching, if you use the default matching mode to match a 7-digit number beginning with 7727, then the following options are available?
The figure is
- A. Local-digitmap add huawei normal 7727xxx/7727
- B. Local-bitmap add huawei normal 7727xxx/7726.
- C. Local-digi tmap add huawei normal 772. /7727xxx
- D. Local-di gi tmap add huawei normal 7727
Answer: A
NEW QUESTION # 31
In the evolution of EPON to 10 G EPON, a smooth transition is achieved at the local level by adding WDM WDM modules, and ODNs coexist
- A. True
- B. False
Answer: B
NEW QUESTION # 32
When the voice service is configured through the CLI, the system prompts that the MG interface fails. Which of the following are possible causes?
- A. Uplink fault
- B. Server failure
- C. The device is not grounded
- D. Parameter configuration error
Answer: A,B,D
NEW QUESTION # 33
In the NGN system, the ( ) adopts the packet technology to provide a unified integrated transmission platform with high reliability, QoS guarantee, and large capacity.
- A. Edge access layer
- B. Network control layer
- C. Core switching layer
- D. Service management layer
Answer: C
Explanation:
In NGN architectures, services (voice, video, data) converge over a packet-based backbone. The core switching layer provides the unified transport using IP/MPLS and related QoS mechanisms, delivering high reliability and large-capacity switching for all upper-layer services. The control and management layers orchestrate services, while the edge/access layer aggregates users-but the packet-based integrated transmission platform itself is the role of the core.
References: HCIP-Access V2.5 study content (NGN overview, layered architecture, and packet-based core transport responsibilities).
NEW QUESTION # 34
The (radio) OLT is configured for V2 on the IGMP version when the OLT receives igmr v3 forwarded from
on-T What kind of treatment will be done after joining the message
- A. Send a universal group query message
- B. Normal forwarding
- C. Send a specific group query message
- D. Discard directly
Answer: D
NEW QUESTION # 35
The total downstream bandwidth of the 10G EPON PONI port is the sum of the EPON downstream bandwidth
and the 10G EPON downstream bandwidth.
- A. False
- B. True
Answer: B
NEW QUESTION # 36
(Single choice) The following statement about defending MAC Spoofing is wrong:
- A. Turning off the Anti-MAC-Spoofing function can only remove the fixed table items, which does not affect the user's service application, but the service forwarding plane will be interrupted
- B. After the Anti-MAC-Spoofing function is enabled, the system automatically implements dynamic binding of the MAC address to the service flow
- C. MAC Anti-MAC-Spoofing features are mutually exclusive with WMAC, SC, PPPoE-SMAC features at the VLAN level
- D. After enabling the Anti-MAC-Spoofing function, for IPoE users using fixed IP, the user needs to be statically configured
Answer: A
Explanation:
Huawei Anti-MAC-Spoofing binds the source MAC to the service flow/port to prevent address forgery. It is functionally exclusive with certain per-VLAN MAC check features (e.g., WMAC, SC, PPPoe-SMAC) to avoid conflicting validation logic. For IPoE users with fixed IP, operators typically configure static bindings
/entries so that address and access policies remain consistent.
Option D is wrong: disabling Anti-MAC-Spoofing and removing fixed entries can affect service behavior; if forwarding is interrupted, that does impact user service-so the statement is self-contradictory and incorrect.
References: HCIP-Access V2.5 Study Guide (User Security & Anti-Spoofing); Huawei OLT Feature Guide (Anti-MAC-Spoofing Principles, Bindings, and Feature Interactions).
NEW QUESTION # 37
(Radio) When using the siP protocol, you need to use a local number graph for matching, if you use the default
matching mode to match a 7-digit number beginning with 7727, then the following options are available?
The figure is
- A. Local-digitmap add huawei normal 7727xxx/7727
- B. Local-bitmap add huawei normal 7727xxx/7726.
- C. Local-digi tmap add huawei normal 772. /7727xxx
- D. Local-di gi tmap add huawei normal 7727
Answer: A
NEW QUESTION # 38
(Single choice) The following statement about ssH connection is incorrect, yes
- A. ssH can be applied to remote encryption of encrypted file transfers over remote encryption connections
- B. The ssH protocol is working at the network layer
- C. The ssH protocol encrypts all transmitted data, effectively preventing information leakage problems
during remote management - D. From a client perspective, SSH provides two levels of security authentication.
Answer: B
NEW QUESTION # 39
(Radio) To improve link reliability, the LT device passes through two upstream ports 0/19/0 and 0/20/0 Configure the Timedelay protection group, which of the following commands is optional
- A. huawei(config)#interface giu 0/19
huawei (config-if-giu-0/19)hoffline-tx-off-time 0 500 - B. huawei(protect-group-0)aprotect-group enable
- C. huawei(protect-group-0)hprotect-group member port 0/19/0 role work
- D. huawei(config)=protect-group 0 protect-target sth-nni port workmode timedelay
Answer: A
NEW QUESTION # 40
Before traffic scheduling, the OLT needs to classify service flows. Which of the following can be used for traffic classification?
- A. DSCP field in an IP packet
- B. EXP field in an MPLS packet
- C. ToS field in an IP packet
- D. 802.1p CoS field
Answer: A,B,C,D
Explanation:
In Huawei QoS processing, traffic classification on access devices/OLTs can match Layer-3 and Layer-2 priority indicators and MPLS labels. Common match fields include IP DSCP (or IP precedence in the ToS byte), MPLS EXP, and IEEE 802.1p CoS carried in VLAN tags. These fields are used to place packets into scheduling/queuing behaviors and policing profiles.
References: HCIP-Access V2.5 Study Guide (QoS Basics and Classification); Huawei QoS Feature Description (Classification on DSCP/ToS, 802.1p CoS, MPLS EXP).
NEW QUESTION # 41
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Huawei H35-211_V2.5 (HCIP-Access V2.5) Certification Exam is a vendor-neutral certification, which means it is not tied to any specific vendor's technology. This makes the certification highly valuable and recognized in the industry. HCIP-Access V2.5 certification is also globally recognized, which means that individuals who obtain the certification can work anywhere in the world. The Huawei H35-211_V2.5 (HCIP-Access V2.5) Certification Exam is an excellent investment for individuals who wish to improve their career prospects and gain a competitive advantage in the industry.
Huawei H35-211_V2.5 (HCIP-Access V2.5) Certification Exam is designed to test the knowledge, skills, and expertise of professionals in the field of access network technology. HCIP-Access V2.5 certification focuses on the latest industry trends, best practices, and technologies related to access network design, deployment, operation, and maintenance. HCIP-Access V2.5 certification is ideal for individuals who wish to improve their career prospects in the field of access network technology.
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