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Latest Huawei H19-462 Exam Questions and Answers, 2025 Update | SPOTO

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Question #1
Which series of Huawei MXU products are recommended in FTTO construction scenarios?
A. MA5621 Series
B. MA5633 Series
C. MA567X Seriescorrect
D. 10GPON series
View answer
Correct Answer: C
Question #2
In Huawei's all-optical campus network solution, which solution should be adopted if there are 100-2000 information points on campus?
A. EPON Networking
B. IP+optical
C. Fusion of all lightcorrect
D. 10G EPON Networking
View answer
Correct Answer: C
Question #3
What is the maximum switching capacity of the new brand OLT EA5800-X7 main control board for enterprise exclusive access?
A. 1920Gbit/s
B. 8Tbit/s
C. 3
D. 480Gbit/s
View answer
Correct Answer: C
Question #4
Which of the following is the splitting ratio of the built-in splitter of the S1016-L optical-electric composite cable power supply unit?
A. 2:32
B. 2:16correct
C. 2:8
D. 1:16
View answer
Correct Answer: B
Question #5
Which series of Huawei MXU products are recommended in FTTO construction scenarios?
A. 10GPON series
B. MA567X Series
C. MA5633 Series
D. MA5621 Series
View answer
Correct Answer: B
Question #6
In the power distribution network scenario, what are the main ONU models currently on sale?
A. P602E
B. EG8040c
C. MA5621Ecorrect
D. T823-G
View answer
Correct Answer: C
Question #7
What is the specified line impedance for a 2Mbps electrical interface ?
A. None of the above
B. 75Q (unbalanced) or 120Q (balanced)correct
C. 75Q (unbalanced)
D. 120Q (balanced)
View answer
Correct Answer: B
Question #8
Which of the following statements about firewall blacklist is incorrect?
A. Messages sent by non-blacklist users can be sent through
B. When the blacklist and advanced ACL are used together, the messages sent by the blacklist users that meet the ACL permit rules can pass, and other messages are discarded
C. Firewall blacklist is a way to filter based on the destination IP of the messagecorrect
D. Firewall blacklist is a way to filter based on the source IP address of the message
View answer
Correct Answer: C
Question #9
Which protocol can provide a secure channel for password and data encryption to avoid information leakage when logging into the OLT device remotely?
A. Telnet
B. TFTP
C. FTP
D. SSHcorrect
View answer
Correct Answer: D
Question #10
On the railway mainline, what is the recommended bandwidth for the section layer of the main MS-OTN solution?
A. 622M
B. 2
C. 10Gcorrect
D. 40G
View answer
Correct Answer: C
Question #11
SNMP protocol is widely used in network management. Which protocol supports encryption and authentication and has higher network security reliability?
A. SNMPv2c
B. SNMPV1
C. SNMPv3
D. SNMPv2
View answer
Correct Answer: C
Question #12
Which of the following descriptions of the railway business network security and reliability requirements are incorrect?
A. TDM services and Ethernet services are physically isolated using different hard pipes
B. Different Ethernet subsystems use ODUk physical pipes to isolate services
C. E1 services are on the TDM plane, and IP services are on the packet plane
D. Business connections tend to be IP-based, so physical isolation of business is no longer requiredcorrect
View answer
Correct Answer: D
Question #13
Different splitting ratios introduce different optical path attenuation. A 1:8 splitter is used in the optical path. Which of the following values may be the optical path attenuation value introduced by the splitter?
A. 13
B. 10correct
C. 7
D. 3
View answer
Correct Answer: B
Question #14
ESight's license consumption mechanism: In Type B networking, how many licenses does one ONU consume?
A. 1correct
B. 2
C. 3
D. 0
View answer
Correct Answer: A
Question #15
Which of the following ONUs is a GPON mode optical module ONU?
A. P67OE
B. S800E
C. S600Ecorrect
D. S892E
View answer
Correct Answer: C
Question #16
The master and slave optical modems in the FTTR network can be managed in a unified manner.
A. False
B. True
View answer
Correct Answer: B
Question #17
Regarding defense against DoS attacks, which of the following statements is incorrect?
A. Anti-DoS attack refers to the system's defense measures against DoS attacks by restricting the reception of protocol packets sent by users
B. For users who initiate DoS attacks, the port/ONTGemport where the user is located will be added to the blacklist
C. In a DoS attack, the attacker looks for an entry point into the internal network and uses the attack to prevent legitimate users from accessing resources or routers
D. DoS (Denial of Service) attack refers to a malicious user sending a large number of protocol packets to attack the system, causing the system to be unable to process the service requests of normal users, that is, denying service to normal users
View answer
Correct Answer: C
Question #18
The actual effective bandwidth of EPON downstream is about 0.96G. If all users on a single PON port subscribe to the 100OM package, how many users can it support at most?
A. 0correct
B. 2
C. 4
D. 8
View answer
Correct Answer: A
Question #19
Under the ADM configuration in the STM-16 level two-fiber bidirectional multiplex section shared protection ring, the service protection situation is:
A. Two circuit boards back up each other
B. Half of the capacity of one board is used to protect half of the capacity of the other boardcorrect
C. Two circuit boards, one master and one backup
D. The two circuit boards have nothing to do with each other
View answer
Correct Answer: B
Question #20
The ONU is powered on and goes, and no on-site configuration is required. How long does it take for services to be activated after powering on?
A. 5 minutes
B. 1 minutecorrect
C. 20 seconds
D. 10 minutes
View answer
Correct Answer: B
Question #21
Which of the following is an 8-port ONU?
A. P613E-Ecorrect
B. P871E
C. P602E
D. F60OP-30-1GH
View answer
Correct Answer: A
Question #22
In the application of POL optical fiber composite cable, which of the following options are not characteristics of optical fiber composite cable?
A. When using the optical fiber composite cable, users are at risk of electric shockcorrect
B. Remotely control electricity consumption to eliminate safety hazards
C. Get rid of power cord tail and deploy quickly
D. ONU/AP is free from power consumption and installation location is not restricted
View answer
Correct Answer: A
Question #23
GPON downstream bandwidth can reach 2.5G. What is the maximum splitting ratio that can be achieved?
A. 1:32
B. 1:16
C. 1:64correct
D. 1:8
View answer
Correct Answer: C
Question #24
The reason why the Huawei's financial data center transmission solution can provide low latency is that:
A. No DCMcorrect
B. No single board
C. No power on
D. No installation required
View answer
Correct Answer: A
Question #25
What are the unique features of GPON all-optical network compared with traditional switch solutions? (Multiple Choice)
A. All-optical passive optical network, simpler network and more flexible networking
B. Rich product forms, which can meet different application scenarios such as education, medical care, and campus buildings
C. Single-fiber bidirectional transmission solution and P2MP technology save optical fiber resources
D. Rich interfaces, can provide multiple access service needs such as office, telephone, video surveillance, etc
View answer
Correct Answer: ABCD

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