View Full Huawei H19-301 Exam Dumps and Practice Test Dumps

 

Question 41.

In a campus network proposal, why is port density important when selecting access switches?

1. It determines how many endpoint connections the switch can support
2. It determines the customer’s internet domain name
3. It replaces PoE planning
4. It defines the BGP AS number

Correct Answer: 1. It determines how many endpoint connections the switch can support

Explanation:

Port density indicates how many physical network connections a switch can provide. In access-layer design, the engineer should estimate the number of PCs, IP phones, cameras, access points, printers, and other wired endpoints that require connectivity. Spare ports should normally be included for growth and operational flexibility. Port density should also be considered together with PoE power, uplink bandwidth, stacking or virtualization requirements, and physical rack constraints rather than treated as an isolated specification.

Question 42.

What is the main purpose of switch fabric or switching capacity specifications?

1. Define the number of WLAN SSIDs
2. Indicate the internal traffic-handling capability of the switching platform
3. Set the maximum PoE cable length
4. Assign IPv6 prefixes

Correct Answer: 2. Indicate the internal traffic-handling capability of the switching platform

Explanation:

Switching capacity describes the amount of traffic the switching system can process internally. It is an important consideration when selecting aggregation and core devices because those platforms may carry traffic from many downstream ports simultaneously. Presales engineers should evaluate switching capacity together with packet-forwarding performance, interface speed, port density, redundancy, and expected traffic patterns. A high port count alone does not guarantee that a device can sustain the required aggregate throughput under demanding conditions.

Question 43.

Why should packet-forwarding performance be reviewed when sizing a network switch or router?

1. It determines the equipment color
2. It controls the number of rack screws
3. It indicates how many packets the device can process within a given period
4. It replaces all bandwidth calculations

Correct Answer: 3. It indicates how many packets the device can process within a given period

Explanation:

Packet-forwarding performance is often expressed in packets per second and indicates how effectively a device can process traffic, particularly when packets are small. Two devices with similar interface bandwidth may have different forwarding capabilities. Presales engineers should therefore consider both throughput and packet-processing performance, especially for core, aggregation, WAN, or data center scenarios. Real deployment requirements also depend on enabled features, traffic characteristics, interface mix, and redundancy configuration.

Question 44.

Which factor should be checked when proposing a modular switch chassis?

1. Only the chassis height
2. Only the management IP address
3. Only the customer’s DNS server
4. Required service cards, control components, power supplies, and future expansion slots**

Correct Answer: 4. Required service cards, control components, power supplies, and future expansion slots

Explanation:

A modular chassis must be designed as a complete system rather than treated as a single product line item. Presales engineers should verify service-card compatibility, interface requirements, control or supervisor redundancy, power capacity, fan requirements, slot availability, and future expansion. The bill of materials must include all components necessary for the intended configuration. Missing a required card, power module, or accessory can delay implementation even when the base chassis itself is correct.

Question 45.

What is the main benefit of hot-swappable components in enterprise network equipment?

1. They can allow certain hardware components to be replaced with less service disruption
2. They eliminate the need for redundancy
3. They automatically increase interface speed
4. They remove the need for maintenance planning

Correct Answer: 1. They can allow certain hardware components to be replaced with less service disruption

Explanation:

Hot-swappable power supplies, fans, interface cards, or other supported components can often be replaced without shutting down the entire device. This can improve serviceability and availability, especially in business-critical environments. Presales engineers should understand exactly which components support hot replacement and how redundancy is implemented. Hot swapping reduces disruption but does not eliminate the need for maintenance procedures, spare parts, change control, or redundant architecture.

Question 46.

Why are dual power supplies commonly proposed for critical network devices?

1. To double the IP address space
2. To improve resilience against a power-module or power-feed failure
3. To replace link redundancy
4. To increase VLAN capacity

Correct Answer: 2. To improve resilience against a power-module or power-feed failure

Explanation:

Dual power supplies can provide device-level power redundancy. Ideally, redundant supplies may also connect to separate electrical feeds or UPS systems so failure of one source does not take the entire network device offline. Presales engineers should check whether the platform supports redundant power and whether the installed modules provide enough capacity for the full system load, including PoE where applicable. Power redundancy complements but does not replace redundant network paths or devices.

Question 47.

What is the primary purpose of an uninterruptible power supply for network infrastructure?

1. Increase wireless signal strength
2. Create VLANs automatically
3. Provide temporary power and protection during utility power disturbances
4. Replace network redundancy

Correct Answer: 3. Provide temporary power and protection during utility power disturbances

Explanation:

A UPS can keep network equipment operating for a limited time during power outages or disturbances and may protect against certain power-quality problems. The required capacity depends on the total connected load and desired runtime. Presales planning should include switches, routers, controllers, firewalls, management systems, and other critical components when estimating UPS requirements. A UPS does not provide permanent backup power, so longer outages may require generators or additional power-continuity planning.

Question 48.

Why should the thermal and airflow requirements of networking equipment be considered during presales design?

1. They determine the BGP route preference
2. They configure WLAN channels automatically
3. They remove the need for racks
4. Incorrect cooling or airflow can reduce reliability or prevent proper installation**

Correct Answer: 4. Incorrect cooling or airflow can reduce reliability or prevent proper installation

Explanation:

Network equipment generates heat and is designed for specific airflow and environmental conditions. High-density switches, routers, and PoE systems can place significant demands on rack cooling. Presales engineers should verify operating temperature, airflow direction, rack layout, power consumption, and data-center or communications-room cooling capacity. Ignoring these factors can result in thermal alarms, reduced reliability, or equipment shutdown even when the logical network design is otherwise correct.

Question 49.

What is the primary purpose of using fiber uplinks in a campus network?

1. Provide high-speed connectivity over distances and environments where copper may be unsuitable
2. Eliminate routing protocols
3. Supply PoE to access points
4. Replace all access switches

Correct Answer: 1. Provide high-speed connectivity over distances and environments where copper may be unsuitable

Explanation:

Fiber is commonly used for uplinks between buildings, floors, access switches, aggregation switches, and core devices because it can support high bandwidth and greater distances than standard copper Ethernet. Fiber is also resistant to electromagnetic interference. Presales engineers must select the correct fiber type, optical modules, connectors, and distances. Single-mode and multimode fiber serve different reach and cost requirements, so the physical infrastructure should be verified before finalizing the design.

Question 50.

Which factor is most important when choosing between single-mode and multimode fiber?

1. The number of VLANs
2. Required transmission distance, existing cabling, and supported optical interfaces
3. The OSPF Router ID
4. The wireless SSID name

Correct Answer: 2. Required transmission distance, existing cabling, and supported optical interfaces

Explanation:

Single-mode and multimode fiber differ in optical characteristics, supported reach, transceiver requirements, and cost. Multimode is commonly used for shorter distances within buildings or data centers, while single-mode is suitable for longer links. The correct choice depends on the installed cabling, target interface speed, required distance, optical module support, and upgrade plans. Presales engineers should verify these parameters at both ends of every planned fiber connection.

Question 51.

What is the main purpose of network telemetry or performance monitoring in an enterprise network?

1. Provide visibility into traffic, device health, and service performance
2. Increase PoE output automatically
3. Replace security policies
4. Eliminate network failures

Correct Answer: 1. Provide visibility into traffic, device health, and service performance

Explanation:

Monitoring and telemetry provide operational information about the state and behavior of the network. Metrics can include interface utilization, packet loss, latency, errors, CPU and memory usage, wireless performance, alarms, and application traffic. This information helps administrators identify emerging problems, plan capacity, troubleshoot incidents, and verify service objectives. A good presales design should therefore include management and visibility requirements rather than focusing only on forwarding hardware.

Question 52.

Why is network topology visualization useful to operations teams?

1. It replaces physical cabling
2. It helps administrators understand device relationships and locate faults more quickly
3. It removes the need for configuration backups
4. It automatically resolves every outage

Correct Answer: 2. It helps administrators understand device relationships and locate faults more quickly

Explanation:

Topology visualization provides a graphical representation of devices and their connections. This can help administrators see how access, aggregation, core, WAN, and wireless components relate to one another. During troubleshooting, topology information makes it easier to determine which users or services may be affected by a failed link or device. While visualization improves operational efficiency, it does not replace configuration management, monitoring, or skilled troubleshooting.

Question 53.

What is a major benefit of zero-touch or automated provisioning in a large branch deployment?

1. It increases physical link distance
2. It disables centralized management
3. It can reduce manual configuration effort and deployment errors
4. It removes the need for WAN connectivity

Correct Answer: 3. It can reduce manual configuration effort and deployment errors

Explanation:

When hundreds of branch devices must be deployed, manually configuring every router or switch can be slow and inconsistent. Automated or zero-touch provisioning can allow devices to receive standardized configuration and policy after installation with limited local intervention. This helps accelerate deployment and reduce human error. Presales engineers should consider provisioning workflows, controller reachability, security, template design, and exception handling when proposing automation for distributed networks.

Question 54.

What is the primary purpose of configuration backup in network operations?

1. Increase forwarding performance
2. Replace hardware redundancy
3. Improve Wi-Fi coverage
4. Provide a recoverable copy of device configuration if changes or failures cause problems**

Correct Answer: 4. Provide a recoverable copy of device configuration if changes or failures cause problems

Explanation:

Configuration backups allow administrators to restore known-good settings after accidental changes, equipment replacement, software issues, or other incidents. Centralized backup processes can also support auditing and change tracking. A presales management design should consider how configurations are stored, protected, versioned, and restored. Backup does not eliminate the need for redundancy, but it is an important part of operational resilience and disaster recovery.

Question 55.

Which requirement is MOST relevant when selecting a network-management platform for a large organization?

1. Device scale, supported functions, automation needs, and integration requirements
2. The number of office chairs
3. Only the color of the management dashboard
4. The number of public websites the customer visits

Correct Answer: 1. Device scale, supported functions, automation needs, and integration requirements

Explanation:

A management platform must support the expected number and types of devices as well as the operations the organization wants to centralize. Relevant capabilities may include monitoring, configuration, topology, alarms, automation, policy, reporting, analytics, and integration with other IT systems. Presales engineers should also consider high availability, deployment architecture, licensing, user roles, and growth. Choosing a platform based solely on interface appearance would ignore the operational requirements that determine long-term value.

Question 56.

What is the main purpose of high availability for a network-management or controller platform?

1. Increase Ethernet cable length
2. Reduce the impact of a controller or management-node failure
3. Replace network device redundancy
4. Eliminate software upgrades

Correct Answer: 2. Reduce the impact of a controller or management-node failure

Explanation:

A centralized controller or management system can become operationally important, especially when it handles automation, policy, or large numbers of devices. High-availability architecture helps maintain management or control functions if one node fails. Presales engineers should determine whether the customer requires active/standby, clustering, geographic redundancy, or other availability mechanisms. The design should also consider backup, database protection, and recovery procedures.

Question 57.

Why should licensing requirements be verified before finalizing a network bill of materials?

1. Required features or capacities may depend on specific software licenses
2. Licenses determine fiber wavelength
3. Licenses replace power supplies
4. Licensing has no effect on solution functionality

Correct Answer: 1. Required features or capacities may depend on specific software licenses

Explanation:

Some network functions, management capabilities, subscriptions, capacity levels, or advanced features may require specific software licenses. If required licenses are omitted from the bill of materials, the installed solution may not support all promised functionality. Presales engineers should therefore confirm licensing requirements, validity periods, subscription models, and support entitlements where applicable. Licensing should be treated as part of the technical solution rather than only a commercial consideration.

Question 58.

What is the primary purpose of technical support services in a network solution?

1. Replace network administrators completely
2. Provide access to assistance, updates, maintenance resources, and replacement processes according to the service level
3. Eliminate all hardware failures
4. Increase wireless spectrum

Correct Answer: 2. Provide access to assistance, updates, maintenance resources, and replacement processes according to the service level

Explanation:

Support services help organizations maintain network infrastructure throughout its lifecycle. Depending on the selected service level, support may include technical assistance, software updates, fault diagnosis, hardware replacement, and response-time commitments. Presales engineers should align support options with the business criticality of the network. A branch office may have different requirements from a core data center, so support should be selected according to availability targets and operational capability.

Question 59.

What is the purpose of documenting assumptions in a presales network design?

1. Make the basis of sizing and design decisions clear to the customer and implementation team
2. Avoid responsibility for technical accuracy
3. Replace all configuration documentation
4. Prevent future network expansion

Correct Answer: 1. Make the basis of sizing and design decisions clear to the customer and implementation team

Explanation:

Network proposals often depend on assumptions about user count, traffic, application demand, cable distances, growth, redundancy, environmental conditions, and existing infrastructure. Documenting these assumptions makes the design rationale transparent and helps identify where changes in customer requirements could affect the solution. Clear assumptions also reduce misunderstandings between sales, presales, implementation teams, and the customer. They should be reviewed and validated before final solution approval.

Question 60.

Which approach BEST reduces the risk of omissions in a complex Huawei network proposal?

1. Select only the main switches and ignore accessories
2. Estimate requirements without customer validation
3. Use one generic BOM for all projects
4. Validate requirements, architecture, compatibility, licenses, optics, power, redundancy, management, and support as one complete solution**

Correct Answer: 4. Validate requirements, architecture, compatibility, licenses, optics, power, redundancy, management, and support as one complete solution

Explanation:

A complete presales design includes much more than the primary network devices. Engineers should verify interfaces, optics, cables, power modules, PoE budgets, licenses, software capabilities, management platforms, redundancy, environmental requirements, support services, and future growth. These items should be checked against the proposed architecture and bill of materials. A structured validation process reduces the chance that a technically important component is missing and helps ensure that the delivered solution matches the customer’s stated requirements.