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Huawei H35-210_V2.5 (HCIA-Access V2.5) Certification Exam is an excellent certification for individuals who are interested in pursuing a career in network engineering or network security. HCIA-Access V2.5 certification can help individuals advance their career and increase their earning potential.
Huawei H35-210_V2.5 (HCIA-Access V2.5) Exam is designed to test the skills and knowledge of professionals who want to specialize in network access technology. HCIA-Access V2.5 certification validates the ability of a candidate to plan, deploy, and manage access networks in a variety of settings. H35-210_V2.5 exam covers topics such as WLAN fundamentals, access technologies, network security, network maintenance, monitoring, and troubleshooting.
NEW QUESTION # 10
Is the following description correct? In the EPON network, in order to avoid data conflicts and improve network utilization efficiency, the downstream direction adopts TDMA multiple access mode and arbitrates the data transmission of each ONU.
- A. False
- B. True
Answer: A
NEW QUESTION # 11
When adding on-lineprofile to MA5680T, what needs to be configured?
- A. Configure the vlan of the ONT ETH port
- B. Add gemport, configure gemport mapping relationship
- C. Add DBA template
- D. Binding tcont and DBA template
Answer: B,D
NEW QUESTION # 12
Which of the following is the downstream wavelength of XGS-PON?
- A. 1490 nm
- B. 1577 nm
- C. 1310 nm
- D. 1290 nm
Answer: B
Explanation:
* XGS-PON Wavelengths :
* XGS-PON (10-Gigabit Symmetric Passive Optical Network) uses specific wavelengths for upstream and downstream transmission:
* Downstream (OLT to ONU) : 1577 nm.
* Upstream (ONU to OLT) : 1270 nm.
* Why 1577 nm?
* The ITU-T G.9807.1 standard specifies 1577 nm as the downstream wavelength for XGS-PON.
This wavelength is chosen to avoid interference with GPON, which uses 1490 nm for downstream transmission.
* Other Options :
* 1490 nm : Used for downstream transmission in GPON, not XGS-PON.
* 1310 nm : Used for upstream transmission in GPON, not XGS-PON.
* 1290 nm : Not a standard wavelength in PON technologies.
Thus, the correct answer is C .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: XGS-PON Wavelengths.
* ITU-T G.9807.1 Standards for XGS-PON .
NEW QUESTION # 13
command... What is the correct description of the three points in ./.profile?
- A. The third point. Connected to the previous /, which means the root directory
- B. The second point. Connected to the back /, ./ indicates the current directory
- C. The first point. Means execution, same as sh
- D. The third point. Before profile, the entire .profile is a file name, which means a hidden file
Answer: B,C,D
NEW QUESTION # 14
Which of the following protocols works at the transport layer and is connectionless-oriented?
- A. ARP
- B. IP
- C. UDP
- D. TCP
Answer: C
Explanation:
The transport layer in the OSI model is responsible for end-to-end communication and includes two main protocols: TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) .
* IP (Internet Protocol) : Works at the network layer and is responsible for routing packets across networks.
* ARP (Address Resolution Protocol) : Works at the network layer and maps IP addresses to MAC addresses.
* TCP : A connection-oriented protocol at the transport layer that ensures reliable communication through acknowledgments and retransmissions.
* UDP : A connectionless-oriented protocol at the transport layer that provides faster but less reliable communication compared to TCP.
Since the question specifies a connectionless-oriented protocol at the transport layer, the correct answer is UDP .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: Transport Layer Protocols.
* TCP/IP Protocol Suite Overview by Huawei.
NEW QUESTION # 15
When other SNMP parameters are correctly configured, how to configure the Trap source address of a device to ensure that the NMS can receive device alarms normally?
- A. Set the trap source address to 127.0.0.1.
- B. Set the trap source address to the loopback address.
- C. All of the above
- D. Set the trap source address to the address used by the NMS to add the device.
Answer: D
Explanation:
* SNMP Trap Source Address :
* The trap source address is the IP address used by the device to send SNMP traps to the NMS (Network Management System).
* Configuration Options :
* Option A : Setting the trap source address to 127.0.0.1 (localhost) is incorrect because it is not routable and cannot be used for communication with the NMS.
* Option B : Using the loopback address is possible but not recommended unless the NMS is explicitly configured to accept traps from the loopback address.
* Option C : Setting the trap source address to the same address used by the NMS to add the device ensures proper communication and alignment between the device and NMS.
* Option D : Incorrect because not all options are valid.
* Why C?
* Configuring the trap source address to match the address used by the NMS ensures that the NMS can correctly identify and process traps from the device.
Thus, the correct answer is C .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: SNMP Configuration.
* RFC 3411: SNMP Framework .
NEW QUESTION # 16
IPA part of the fields in the message are specifically used to describe the life cycle of the message, namelyTTLValue, what is its maximum value?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 17
Is the following description correct? The cells transmitted in the ATM network have two priority levels, which are distinguished by the CLP bit in the cell header. CLP=1 means high priority, and CLP=0 means low priority.
- A. False
- B. True
Answer: A
NEW QUESTION # 18
Is the following description correct? Users can establish PVC connections between different board ports or between different ports on the same board. The main purpose is to realize the point-to-point interconnection between two different users.
- A. True
- B. False
Answer: A
NEW QUESTION # 19
Is the following description correct? MA5600T/MA5680T supports VLAN tag conversion. When SVLANs with different attributes create service flows through service-port, if tag-transform is set to default, there is no difference in tag conversion rules.
- A. False
- B. True
Answer: A
NEW QUESTION # 20
Which of the following statements about ADSL2+ are incorrect? (Select All that Apply)
- A. Spectrum bandwidth is 1.104 MHz.
- B. Maximum reachable distance is 6.5 km.
- C. Maximum downlink speed is 24 Mbit/s.
- D. Uses sub-channels from 32 to 511 and above 512.
Answer: A,D
Explanation:
Comprehensive and Detailed Step by Step Explanation:
* A (Incorrect): ADSL2+ uses sub-carriers up to 511 (2.2 MHz bandwidth).
NEW QUESTION # 21
What is the allocation method of terminal identifiers stipulated in the H248 protocol?
- A. Assigned by MG
- B. MG allocation when the terminal is the calling party, and MGC allocation when it is the called party
- C. MG allocation when calling, MGC allocation when called
- D. Assigned by MGC
Answer: A
NEW QUESTION # 22
Regarding MA5600 Super Vlan and Sub Vlan, which of the following descriptions are correct?
- A. Super VLAN is mainly used to save IP addresses
- B. Sub VLAN types can be: Smart VLAN, MUX VLAN, Standard VLAN.
- C. Super VLAN is different from VLAN in the usual sense. It is just a Layer 3 interface and does not contain physical ports.
- D. Sub VLAN only contains physical ports, and a three-layer VLAN virtual interface can be established.
Answer: A,C
NEW QUESTION # 23
Which of the following are common VLAN link types of Ethernet switches?
- A. Mix
- B. Hybrid
- C. Access
- D. Trunk
Answer: B,C,D
Explanation:
VLAN link types define how VLAN traffic is handled on switch ports. The three common VLAN link types are:
* Access Ports :
* Used to connect end devices (e.g., PCs, printers) to the switch.
* An access port belongs to only one VLAN and carries untagged traffic for that VLAN.
* Example: A PC connected to an access port in VLAN 10 sends and receives untagged traffic.
* Trunk Ports :
* Used to connect switches or routers to carry traffic for multiple VLANs.
* Trunk ports tag traffic with VLAN IDs using IEEE 802.1Q encapsulation.
* Example: A trunk port connecting two switches carries tagged traffic for VLANs 10, 20, and 30.
* Hybrid Ports :
* A hybrid port can carry both tagged and untagged traffic.
* It is flexible and can be used for scenarios where a mix of tagged and untagged traffic is required.
* Example: A hybrid port might send untagged traffic for VLAN 10 and tagged traffic for VLAN
20.
* Mix :
* This is not a standard VLAN link type and does not exist in Ethernet switch configurations.
Thus, the correct answers are A (Trunk) , B (Access) , and C (Hybrid) .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: VLAN Link Types.
* IEEE 802.1Q VLAN Tagging Standards .
NEW QUESTION # 24
onIPWhich statement is correct in terms of routing?
- A. Routing isOSIThe concept of the second layer in the model.
- B. Any route must include the following three parts of information: source address, destination address, and next hop.
- C. In a local area network, routing includes the following two parts:IPAddress andMACaddress.
- D. IPRouting is the guideIPPath information for packet forwarding.
Answer: D
NEW QUESTION # 25
Which of the following methods can be used to test the reset of an OLT board?
- A. All of the above
- B. Run the board reset command to reset a service board, and check whether the service board works properly after being reset.
- C. Press the RESET button on the control board handle to forcibly reset the control board, and check whether the board works properly after reset.
- D. Hot swap the board and check whether the board works properly after reset.
Answer: A
Explanation:
* Testing Board Reset :
* Testing the reset functionality of an OLT board ensures that the board can recover from failures or configuration changes.
* Methods for Testing Reset :
* Hot Swap : Physically removing and reinserting the board tests its ability to initialize and function after a reset.
* RESET Button : Pressing the physical RESET button on the board forces a hardware reset, verifying recovery capabilities.
* Reset Command : Using CLI commands (e.g., reset board) resets the board remotely, allowing verification of software-based recovery.
* Why D?
* All three methods are valid ways to test the reset functionality of an OLT board. Each method addresses different scenarios and ensures comprehensive testing.
Thus, the correct answer is D .
References:
* HCIA Huawei ACCESS Official Documentation , Chapter: OLT Maintenance.
* OLT Hardware and Software Reset Procedures by Huawei.
NEW QUESTION # 26
Which command is used to delete a single board in the UA5000 chassis?
- A. Board delete
- B. Board erase
- C. No board
- D. Undo board
Answer: A
NEW QUESTION # 27
In GPON network, which of the following reasons may cause ONU to fail to go online?
- A. The ODN line is too long and exceeds the online distance set by the system.
- B. The optical power received by the ONU is greater than the overload optical power.
- C. The optical power received by the ONU is less than the sensitivity value
- D. There is abnormal attenuation on the ODN line.
Answer: A,B,C,D
NEW QUESTION # 28
In the GPON network, which of the following is the role of DBA?
- A. More ONUs can be added to the PON port
- B. Increased the upstream bandwidth of the PON port
- C. It can improve the bandwidth utilization of the downstream line of the PON port
- D. It can improve the uplink bandwidth utilization of the PON port
Answer: D
NEW QUESTION # 29
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. True
- B. False
Answer: A
NEW QUESTION # 30
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Huawei H35-210_V2.5: HCIA-Access V2.5 exam is a comprehensive test that covers a wide range of topics related to access network technology. H35-210_V2.5 exam is designed to test the candidate's knowledge of access network principles, access network architecture, access network protocols, and access network applications.
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