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H19-301_V3.0 HCSA-Presales-IP Network Certification V3.0 Questions and Answers

Questions 4

As one of the important advantages of Huawei L3 autonomous driving solution, quick intelligent O&M improves network performance. Which options are the capability of Huawei intelligent O&M to improve network performance?

Options:

A.

Precise fault analysis

B.

Intelligent network optimization

C.

Real-time experience visualization

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Questions 5

Which of the following statements are TRUE about MPLS?

Options:

A.

MPLS is a tunneling technology that provides connection-oriented switching for the network layer based on IP routing and control protocols. It provides good QoS guarantee.

B.

MPLS labels, instead of IP routes, are looked up for forwarding packets, which greatly improves forwarding efficiency.

C.

MPLS forwarding is connectionless and cannot provide good end-to-end QoS guarantee.

D.

Labels used in MPLS forwarding can be manually configured or dynamically allocated using the Label Distribution Protocol (LDP).

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Questions 6

Huawei's data center autonomous driving network sits at which level?

Options:

A.

L1: assisted O&M

B.

L2: partially autonomous network

C.

L4: highly autonomous network

D.

L3: conditional autonomous network

E.

L0: manual O&M

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Questions 7

What is the maximum forwarding rate supported by Huawei AC6805?

Options:

A.

120 Gbps

B.

40 Gbps

C.

100 Gbps

D.

60 Gbps

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Questions 8

As one of the important advantages of Huawei L3 autonomous driving solution, quick intelligent O&M improves network performance. Which options are the capabilities of Huawei intelligent O&M to improve network performance?

Options:

A.

Intelligent HQoS

B.

Intelligent network optimization

C.

Real-time experience visualization

D.

Precise fault analysis

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Questions 9

Which of the following are the four highlights ("EASY") of Huawei's CloudFabric Easy Solution? (Select All that Apply)

Options:

A.

EasY-Maintenance

B.

Expandability

C.

Simplification

D.

Easy Sales

E.

Automation

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Questions 10

In the hyper-converged data center network solution, which of the following is responsible for analyzing traffic in the data center network and quickly locating faults?

Options:

A.

VAS controller

B.

Network controller

C.

Network analyzer

D.

Computing manager

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Questions 11

In Huawei's SD-WAN solution, overlay topologies can be planned based on services. Different service topologies are independent of each other.

Options:

A.

TRUE

B.

FALSE

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Questions 12

Which AP architecture is also called autonomous network architecture? Because it requires no dedicated device for centralized control and can implement functions such as wireless user access, service data encryption, and service data packet forwarding.

Options:

A.

Leader

B.

Distributed

C.

Fat

D.

Fit

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Questions 13

Which of the following interface types are supported by WAN-side links of Huawei SD-WAN routers?

Options:

A.

LTE

B.

5G

C.

FC

D.

VDSL

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Questions 14

SRv6 can traverse all types of private lines for traffic optimization. Huawei NetEngine AR821 E can support SRv6.

Options:

A.

TRUE

B.

FALSE

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Questions 15

Which of the following statements is TRUE about AirEngine products?

Options:

A.

The AirEngine 5762-12 supports a maximum device rate of 1.775 Gbps.

B.

The AirEngine 6761-21 supports a device rate of 3.55 Gbps.

C.

The AirEngine 5762-12SW does not support the leader AP feature.

D.

The AirEngine 5761-11 has 2.5GE ports.

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Questions 16

Which of the following are factors affecting the wireless rate (throughput) of a Wi-Fi AP?

Options:

A.

CPU performance

B.

Spatial stream

C.

Frequency bandwidth

D.

SNR

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Questions 17

Which of the following switches does not support two power modules?

Options:

A.

S5735-L

B.

S5732-H

C.

S5731-S24P4X

D.

S5736-S24T4XC

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Questions 18

MACsec is an important feature to make sure security and reliability. Which model of CloudEngine S6730 Series can support MACsec?

Options:

A.

S6730-S24X6Q

B.

S6730-H24X6C

C.

S6730-H24X4Y4C

D.

S6730-H48X6C

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Questions 19

OSPF routers exchange link status information instead of directly exchanging routes.

Options:

A.

TRUE

B.

FALSE

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Questions 20

MACsec is an important feature to ensure security and reliability. Which model of CloudEngine S6730 Series can support MACsec?

Options:

A.

S6730-H48X6C

B.

S6730-H24X6C

C.

S6730-S24X6Q

D.

S6730-H24X4Y4C

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Questions 21

Which of the following statements are TRUE about Huawei's wireless backhaul solution for rail transportation? (Select All that Apply)

Options:

A.

The handover delay can be as low as 30 ms.

B.

Highly reliable active-active links are available.

C.

The solution can be used to carry the train control signal system.

D.

Backhaul is unavailable when a train is traveling at 160 km/h.

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Questions 22

Huawei aggregation router NetEngine 8000 M14 is 220 mm deep and supports control/forwarding separation and hardware redundancy.

Options:

A.

TRUE

B.

FALSE

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Questions 23

Huawei's hybrid optical-electrical cables 2.0 support ultra-long-distance transmission and power supply. The PoE+ power supply distance can be extended to 600 meters.

Options:

A.

TRUE

B.

FALSE

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Questions 24

Huawei's data center autonomous driving network sits at which level?

Options:

A.

L1: assisted O&M

B.

L2: partially autonomous network

C.

L4: highly autonomous network

D.

L0: manual O&M

E.

L3: conditional autonomous network

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Questions 25

Which of the following statements isTRUEaboutHuawei AirEngine 6761-2IT?

Options:

A.

It supports two radios in maximum.

B.

It has an optical port.

C.

It has a 2.5GE port.

D.

It supports a maximum wireless rate of 5.95 Gbps.

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Questions 26

A router forwards packets based on its routing table. To implement route-based packet forwarding, a router needs to obtain routes. Which of the following are common types of routes that a router can obtain?

Options:

A.

Dynamic route

B.

Blackhole route

C.

Direct route

D.

Static route

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Questions 27

Huawei S5731-H switches include models that provide both electrical and optical ports.

Options:

A.

TRUE

B.

FALSE

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Questions 28

Which of the following are the four highlights ("EASY") of Huawei's CloudFabric Easy Solution?

Options:

A.

EasY-Maintenance

B.

Expandability

C.

Simplification

D.

Easy Sales

E.

Automation

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Questions 29

Huawei firewalls have been listed in the Gartner Magic Quadrant every year since 2013, for nine consecutive years.

Options:

A.

TRUE

B.

FALSE

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Questions 30

Redundancy is the guarantee of network stable operation, which is one of the important factors to consider when selecting an aggregation switch.Huawei CloudEngine S8700supportsmicrosecond-level active/standby MPLI switchover, one-tenth the industry average.

Options:

A.

TRUE

B.

FALSE

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Questions 31

In a routing table, a default route is the route with 0.0.0.0/0 as the destination IP address.

Options:

A.

TRUE

B.

FALSE

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Questions 32

Which of the following statements is FALSE about Huawei's AI roaming technology?

Options:

A.

It ensures that different types of STAs can obtain the optimal roaming experience and increases the wireless speeds of roaming STAs by 30%.

B.

Roaming steering policies are inflexible.

C.

It supports differentiated steering based on STA profiles.

D.

It requires STAs to support 802.11V.

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Questions 33

Huawei datacom product line covers 6 domains as following: campus network, metro router, data center network, cyber security, network management, and backbone router.

Options:

A.

TRUE

B.

FALSE

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Questions 34

Which of the following statements are TRUE about fixed ports and cards of AR routers? (Select All that Apply)

Options:

A.

All Layer 2 cards support LAN/WAN switching.

B.

Layer 2 cards configured with VLANIF interfaces support simple Layer 3 forwarding, but do not support NAT, MPLS, IPsec, and HQoS.

C.

On some models, WAN ports can be switched to LAN ports.

D.

LAN ports can be switched to WAN ports using the undo portswitch command.

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Questions 35

Huawei firewall has extensive security databases and comprehensive security detection capabilities. How many intrusion prevention signatures can Huawei firewalls support at most?

Options:

A.

24,000+

B.

30,000+

C.

18,000+

D.

12,000+

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Questions 36

Government industry is one of the key industries Huawei CloudWAN solution and products focus on. Which are government WAN scenarios and market opportunities for routers?

Options:

A.

Asset management network

B.

Dedicated networks for cities

C.

National broadband network

D.

Dedicated networks for provinces

E.

Dedicated networks for ministries (e.g., Ministry of the Interior (MOI), Ministry of Education (MOE), Ministry of Finance (MOF), Ministry of Defense (MOD))

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Questions 37

In order to simplify Huawei many access switches network configuration, we need to use dedicated stack ports or stack cards with iStack technology to support.

Options:

A.

TRUE

B.

FALSE

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Questions 38

Huawei CloudEngine 8700 is the highest-density modular access switch in the industry. How many 10G ports can one unit of Huawei CloudEngine 8700-10 provide at maximum?

Options:

A.

384

B.

480

C.

288

D.

336

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Questions 39

MACsec (Media Access Control Security)is an important feature to ensure security and reliability. Which of the following features does MACsec provide?

Options:

A.

Service data encryption

B.

Data frame integrity check

C.

Replay protection

D.

Data source authenticity verification

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Questions 40

The SD-WAN multi-fed and selective receiving technology applies only to 5G links.

Options:

A.

TRUE

B.

FALSE

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Questions 41

Which of the following statements are TRUE aboutiMaster NCEin terms of management and control?

Options:

A.

Manages and controls traditional devices through SNMP.

B.

Manages and controls traditional devices through the CLI.

C.

Manages and controls SDN-capable networks through NETCONF (based on the YANG model).

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Questions 42

Huawei NetEngine 8000 MIA and NetEngine 8000 M6 routers are 220 mm in depth.

Options:

A.

TRUE

B.

FALSE

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Questions 43

Huawei keeps innovating and advancing datacom technologies, with 26 years of expertise. Huawei has more than 11,000 R&D staff.

Options:

A.

TRUE

B.

FALSE

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Questions 44

Huawei one-to-many campus network virtualization implements automatic service provisioning on multi-purpose networks. What kind of capability can Huawei campus network virtualization provide? (Select All that Apply)

Options:

A.

One network carrying multiple services

B.

Automatic service policy delivery

C.

Automatic virtual network (VN) deployment

D.

Automatic physical network deployment

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Questions 45

Huawei datacom portfolio comprises "Four Engines" products + Integrated management, control, and analysis platform. Which one is not part of Huawei datacom "Four Engines"?

Options:

A.

NetEngine

B.

CloudEngine

C.

AREngine

D.

AirEngine

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Questions 46

What are the functions provided by the multi-DC controller for enterprises' distributed multi-DC and multi-cloud service scenarios?

Options:

A.

Hybrid cloud simulation and verification

B.

Intelligent O&M

C.

Three-layer network visibility

D.

Uniform orchestration

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Questions 47

Compared with non-Huawei switches that use subcards to expand uplink ports, Huawei S6730-H24X6CI and S6730-H48X6C support six 100GE uplink ports and have higher reliability, which is an advantage in project response.

Options:

A.

TRUE

B.

FALSE

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Questions 48

Which of the following methods can be used to integrate IoT modules or functions into Huawei IoT APs? (Select All that Apply)

Options:

A.

Built-in IoT chip

B.

USB interface

C.

PCIe interface

D.

PoE out port

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Questions 49

Which of the following statements are TRUE about network service quality?

Options:

A.

Bandwidth, also called throughput, refers to the maximum number of data bits transmitted between two ends within a specified period (1 second) or the average rate at which specific data flows are transmitted between two network nodes. Bandwidth is expressed in bit/s.

B.

Latency refers to the time required to transmit a packet from the transmit end to the receive end.

C.

The packet loss rate refers to the percentage of total sent packets that are lost during transmission.

D.

Jitter, also called latency variation, refers to the difference in latencies of packets in the same flow.

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Questions 50

Which of the following statements is FALSE about geographic redundancy of controllers in Huawei's SD-WAN solution?

Options:

A.

The northbound and southbound interfaces or platforms of the controllers use the same domain name or IP address. Tenants and devices use this domain name or IP address to access the activecontroller cluster. After an active/standby switchover, traffic is automatically switched to the new active cluster.

B.

Geographic redundancy supports disaster recovery backup between two clusters. The number of nodes in the active cluster must be the same as that in the standby cluster.

C.

Huawei SD-WAN controller active/standby solution supports only one active cluster and one standby cluster.

D.

The active and standby clusters run at the same time and can both provide services properly. Data is synchronized between the two clusters in real time to ensure data consistency.

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Questions 51

What is the maximum packet loss rate allowed by A-FEC while ensuring smooth video playback in Huawei's SD-WAN solution?

Options:

A.

0.4

B.

0.2

C.

0.1

D.

0.3

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Questions 52

Wi-Fi standards are formulated by IEEE 802.11 working groups. Huawei serves as the chair of the 802.11ax Working Group.

Options:

A.

TRUE

B.

FALSE

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Questions 53

Data center networks need to be scalable and efficient to connect tens or even hundreds of thousands of servers to handle the growing demands of cloud computing.

Options:

A.

TRUE

B.

FALSE

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Questions 54

A Layer 2 switch provides only the Layer 2 switching function. In addition to this function, a Layer 3 switch supports routing and forwarding through a Layer 3 interface, such as a VLANIF interface.

Options:

A.

TRUE

B.

FALSE

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Questions 55

SecoManager is a security controller developed by Huawei for a variety of security scenarios. Based on different scenarios, SecoManager has several deployment modes. Which of the following is not the SecoManager deployment mode?

Options:

A.

Independent deployment

B.

Integrated deployment with iMaster NCE-IP

C.

Integrated deployment with iMaster NCE-Campus

D.

Integrated deployment with iMaster NCE-Fabric

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Questions 56

The path that IP packets pass through on an MPLS network is called a label switched path (LSP). An LSP is a bidirectional path that specifies the transmission direction of data flows.

Options:

A.

TRUE

B.

FALSE

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Questions 57

Which of the following controllers supports unified LAN-WAN management?

Options:

A.

iMaster NCE-WAN

B.

iMaster NCE-Campus

C.

iMaster NCE-Fabric

D.

iMaster NCE-IP

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Questions 58

What is the meaning of "one-click fast scheduling, cloud-network coordinated scheduling"?

Options:

A.

SRv6-based service provisioning within minutes, enabling agile service rollout

B.

Industry-unique hop-by-hop measurement technology, real-time visualization of network-wide status, troubleshooting within minutes

C.

SDN + intelligent cloud-map algorithm, improving the utilization of cloud-network resources by 30%

D.

Hierarchical slicing, 1000+ slices (10x the industry average)

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Questions 59

Which of the following are the hardware characteristics of the S8700? (Select All that Apply)

Options:

A.

Ultra-high PoE++ output capability, supporting ultra-long-distance high-performance PoE transmission.

B.

The main control boards work in 1:1 backup mode. When a main control board is removed and then installed, no packet loss occurs and the performance does not deteriorate.

C.

Service subcards are integrated on the main control board panel, separating the forwarding plane from the control plane and enriching port combinations.

D.

Cards with ultra-high-density GE optical/GE electrical/10GE optical ports.

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Questions 60

The address that functions at the data link layer is called an IP address. Each network adapter that complies with the IEEE 802 standard must have an IP address.

Options:

A.

TRUE

B.

FALSE

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Questions 61

Which of the following controllers supports unified LAN-WAN management?

Options:

A.

iMaster NCE-Fabric

B.

iMaster NCE-WAN

C.

iMaster NCE-Campus

D.

iMaster NCE-IP

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Exam Code: H19-301_V3.0
Exam Name: HCSA-Presales-IP Network Certification V3.0
Last Update: Mar 26, 2025
Questions: 204

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