Huawei H35-210-V2-5 Exam Questions

Questions for the H35-210-V2-5 were updated on : Dec 01 ,2025

Page 1 out of 8. Viewing questions 1-15 out of 114

Question 1

Which of the following statements about MIB is incorrect?

  • A. The MIB information of a device can be read using the MIB BROWSER tool.
  • B. MIB is an important part of the SNMP network management model.
  • C. The OID in a MIB is usually identified by a group of letters.
  • D. MIB is short for management information library.
Answer:

C

User Votes:
A
50%
B
50%
C
50%
D
50%

Explanation:
OIDs (Object Identifiers) are numeric (e.g., 1.3.6.1.2.1.1.5), not letters. The statement in C is
incorrect.
Reference: HCIA-Access 2.5, "SNMP MIB Structure" section.

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Question 2

The SNMP protocol is at the ( ) layer in the TCP/IP protocol stack?

  • A. Network layer
  • B. Control layer
  • C. Application layer
  • D. Transport layer
Answer:

C

User Votes:
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50%
B
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C
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D
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Explanation:
Reference: HCIA-Access 2.5, "SNMP Protocol Architecture."

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Question 3

The parameters required for setting the NMS workstation include: (Select All that Apply)

  • A. Name
  • B. Community name
  • C. IP address
  • D. Route
Answer:

A,B,C

User Votes:
A
50%
B
50%
C
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D
50%

Explanation:
NMS configuration requires:
A: Device name for identification.
B: SNMP community string for authentication.
C: IP address for communication.
D (Incorrect): Routing is handled by network devices, not NMS parameters.
Reference: HCIA-Access 2.5, "NMS Configuration Parameters."

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Question 4

Factors causing the ODN link loss include: (Select All that Apply)

  • A. Fiber transmission loss
  • B. Optical splitter loss
  • C. Extra line loss, about 3 dB in general
  • D. Splicing and cord end loss
  • E. Connectors and flange loss
Answer:

A,B,D,E

User Votes:
A
50%
B
50%
C
50%
D
50%
E
50%

Explanation:
ODN loss factors:
A: Intrinsic fiber attenuation (~0.2 dB/km).
B: Splitter insertion loss (e.g., 1:32 splitter ≈17 dB).
D/E: Connector/splice losses (0.1–0.5 dB per point).
Reference: HCIA-Access 2.5, "ODN Loss Calculation" chapter.

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Question 5

In a GPON network, which of the following may cause the ONT to fail to be discovered? (Select All
that Apply)

  • A. The optical power received by the ONT is less than the sensitivity threshold.
  • B. The ONT auto-find function of the GPON port is disabled.
  • C. The upstream port of the OLT is down.
  • D. The optical power received by the ONT is greater than the overload optical power.
Answer:

A,B,D

User Votes:
A
50%
B
50%
C
50%
D
50%

Explanation:
A: Weak optical power prevents ONT registration.
B: Auto-find must be enabled for ONT discovery.
D: Excessive optical power saturates the receiver.
Reference: HCIA-Access 2.5, "ONT Discovery Failures" section.

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Question 6

The pigtail type of the PON optical port is:

  • A. LC
  • B. FC
  • C. SC
  • D. SL
Answer:

C

User Votes:
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B
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Explanation:
Reference: HCIA-Access 2.5, "PON Interface Specifications."

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Question 7

Among common ODN products, large square heads, round heads, and small square heads refer to:

  • A. SC, FC, LC
  • B. FC, LC, SC
  • C. LC, SC, FC
  • D. None of the above
Answer:

A

User Votes:
A
50%
B
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C
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D
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Explanation:
SC (Large Square Head): Square connector with a push-pull design.
FC (Round Head): Round connector with a screw-on mechanism.
Reference: HCIA-Access 2.5, "ODN Connector Types" section.

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Question 8

If the type of the GPON optical module is Class C+, the receiver sensitivity is:

  • A. 3 dBm
  • B. -32 dBm
  • C. -12 dBm
  • D. 7 dBm
Answer:

B

User Votes:
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B
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C
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Explanation:
Reference: HCIA-Access 2.5, "GPON Optical Module Specifications."

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Question 9

The traffic-table on the OLT can be used to set the traffic rate limit parameters and priority policies.

  • A. TRUE
  • B. FALSE
Answer:

A

User Votes:
A
50%
B
50%

Explanation:
Reference: HCIA-Access 2.5, "Traffic Management Configuration."

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Question 10

Which of the following statements about VLANs during data service configuration are correct? (Select
All that Apply)

  • A. In FTTx planning, broadband users connected to the same PON port use the same outer VLAN.
  • B. When a single tag is used, the service VLAN ID must be the same as the user VLAN ID.
  • C. User data can be mapped into different GEM ports according to different VLANs.
  • D. Generally, QinQ is used for data services, and inner tags are used to accurately identify different users.
Answer:

B,C,D

User Votes:
A
50%
B
50%
C
50%
D
50%

Explanation:
B: Single-tagging requires matching service/user VLAN IDs.
C: VLAN-to-GEM mapping enables service segregation.
D: QinQ uses outer VLAN for aggregation and inner VLAN for user identification.
Reference: HCIA-Access 2.5, "VLAN Service Configuration" section.

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Question 11

In a traffic profile, the traffic rate can be configured, but the packet priority cannot be set.

  • A. TRUE
  • B. FALSE
Answer:

B

User Votes:
A
50%
B
50%

Explanation:
Reference: HCIA-Access 2.5, "Traffic Profile Configuration."

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Question 12

In a GPON system, which of the following statements about T-CONTs are correct? (Select All that
Apply)

  • A. All GEM ports must be mapped to T-CONTs.
  • B. All ONUs/ONTs connected to the same PON port can use T-CONTs with the same Alloc-ID.
  • C. The OLT transmits services upstream in dynamic bandwidth assignment (DBA) scheduling mode.
  • D. Carrier that carries services in the GPON upstream direction.
Answer:

A,C

User Votes:
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B
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C
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D
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Explanation:
A: GEM ports must map to T-CONTs for upstream QoS.
C: DBA dynamically allocates upstream bandwidth to T-CONTs.
B (Incorrect): Alloc-IDs must be unique per ONU.
Reference: HCIA-Access 2.5, "T-CONT and DBA" chapter.

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Question 13

When adding an ONU to the OLT, if Control flag is deactive, run the ont activate command in GPON
port mode to activate the ONU.

  • A. TRUE
  • B. FALSE
Answer:

A

User Votes:
A
50%
B
50%

Explanation:
Reference: HCIA-Access 2.5, "ONU Activation Commands."

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Question 14

The ONU connected to the GPON port can go online normally. However, when you run the display
ont info command on the OLT to query the ONU information, "Match state" is displayed as mismatch.
The possible causes are:

  • A. The actual hardware capability of the ONU is inconsistent with the ONU service profile bound to the ONU.
  • B. The ONU is offline.
  • C. The ranging process is faulty during registration.
  • D. The DBA parameters are set incorrectly.
Answer:

A

User Votes:
A
50%
B
50%
C
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D
50%

Explanation:
Reference: HCIA-Access 2.5, "ONU Registration Issues" section.

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Question 15

If the outband NMS is unreachable, which of the following operations can be performed? (Select All
that Apply)

  • A. Check whether the IP address is set correctly.
  • B. Check the network cable.
  • C. The inband and outband NMS IP addresses cannot be in the same IP address segment.
  • D. Check whether the subnet number and NE number are set correctly.
Answer:

A,B,C

User Votes:
A
50%
B
50%
C
50%
D
50%

Explanation:
A/B: Basic network checks (IP configuration and physical connectivity).
C: Inband and outband NMS IPs must be in different subnets to avoid conflicts.
Reference: HCIA-Access 2.5, "NMS Troubleshooting" chapter.

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