View Full Huawei H19-301 Exam Dumps and Practice Test Dumps
Question 221.
What is the primary purpose of a campus network core layer in a large enterprise?
- Provide high-speed and resilient connectivity between major network blocks
- Connect only individual desktop computers
- Replace all access-layer switches
- Provide only wireless authentication
Correct Answer: 1. Provide high-speed and resilient connectivity between major network blocks
Explanation:
The campus core serves as the high-speed backbone connecting major network areas such as aggregation blocks, data centers, WAN edges, security zones, and internet gateways. Core design typically emphasizes high forwarding performance, low latency, redundancy, and rapid convergence rather than direct endpoint connectivity. Presales engineers should evaluate interface capacity, forwarding performance, device redundancy, power protection, routing scale, and future growth to ensure the core can support the organization throughout the expected network lifecycle.
Question 222.
Why is a modular network architecture useful for a growing enterprise?
- It eliminates the need for capacity planning
- It allows different parts of the network to scale and change more independently
- It prevents the use of routing protocols
- It requires every site to use identical hardware
Correct Answer: 2. It allows different parts of the network to scale and change more independently
Explanation:
A modular architecture divides the network into logical functional blocks such as access, aggregation, core, WAN, WLAN, security, and data center connectivity. This makes it easier to add users, upgrade a building, expand WAN capacity, or replace one subsystem without redesigning the entire environment. It also helps contain faults and simplifies troubleshooting. Presales engineers should use modular design principles to improve scalability, operational clarity, and long-term investment protection.
Question 223.
What is the main purpose of an access-layer switch in a campus network?
- Provide internet transit between service providers
- Operate as a data center storage array
- Connect endpoint devices such as PCs, phones, cameras, and access points
- Replace all security gateways
Correct Answer: 3. Connect endpoint devices such as PCs, phones, cameras, and access points
Explanation:
Access switches provide the first wired network connection for users and endpoint devices. Depending on the solution, they may also provide PoE, VLAN assignment, authentication, edge security, and QoS functions. When selecting access switches, presales engineers should consider port density, interface speed, PoE requirements, uplink bandwidth, redundancy, management, and expected endpoint growth. The access layer is therefore a key part of both connectivity and policy enforcement.
Question 224.
Which consideration is MOST important when designing uplinks from the aggregation layer to the core?
- The naming convention for access ports
- Only the number of VLANs
- Only the physical size of the switch
- Required aggregate bandwidth, redundancy, traffic growth, and failure behavior**
Correct Answer: 4. Required aggregate bandwidth, redundancy, traffic growth, and failure behavior
Explanation:
Aggregation-to-core links may carry traffic from many access switches and large numbers of users. Their capacity should therefore reflect realistic aggregate demand, application patterns, oversubscription targets, and future growth. Redundancy is also important because failure of an uplink can affect an entire building or network block. Presales engineers should consider link speed, physical diversity, routing design, convergence, optics, and whether multiple links should be aggregated or routed independently.
Question 225.
What is the primary purpose of network virtualization or switch virtualization technologies in a campus design?
- Simplify operations and improve resilience by allowing multiple physical devices to operate as a coordinated logical system
- Replace all WAN links
- Eliminate the need for IP addressing
- Disable redundant physical devices
Correct Answer: 1. Simplify operations and improve resilience by allowing multiple physical devices to operate as a coordinated logical system
Explanation:
Switch virtualization can allow multiple physical devices to behave like one logical system from an operational or control-plane perspective. This can simplify management, reduce protocol complexity, and support resilient multi-device link aggregation. The exact capabilities depend on the platform and implementation. Presales engineers should evaluate member limits, inter-device bandwidth, failure behavior, upgrade procedures, and compatibility before including virtualization technology in a solution.
Question 226.
Why is multi-gigabit Ethernet relevant when designing access networks for high-performance wireless access points?
- It is required for all legacy phones
- Some modern APs can generate more than 1 Gbit/s of aggregate traffic
- It replaces PoE
- It eliminates radio interference
Correct Answer: 2. Some modern APs can generate more than 1 Gbit/s of aggregate traffic
Explanation:
Modern high-performance wireless access points can support substantial aggregate throughput across multiple radios and clients. A traditional 1 Gbit/s wired uplink may therefore become a bottleneck in some deployments. Multi-gigabit Ethernet can provide higher wired access speeds without necessarily requiring a complete move to high-end fiber connectivity at each AP. Presales engineers should evaluate actual wireless capacity, switch port capability, cabling, PoE requirements, and expected client demand before deciding where multi-gigabit access is justified.
Question 227.
What is the main purpose of PoE budgeting across an access-switch stack or group?
- Determine IP address allocation
- Configure WAN routing
- Ensure the available electrical power can support all required powered endpoints
- Replace uplink planning
Correct Answer: 3. Ensure the available electrical power can support all required powered endpoints
Explanation:
A switch may have enough physical ports for phones, cameras, and APs but still lack enough total PoE power to support all of them simultaneously. Presales engineers should calculate expected endpoint consumption and compare it with the switch or system power budget. They should also consider redundant power supplies, future growth, higher-power APs, and failure scenarios. Proper PoE planning avoids situations where ports exist but connected devices cannot receive sufficient power.
Question 228.
Why should PoE requirements be considered during power-supply redundancy design?
- PoE does not consume switch power
- Redundant supplies are relevant only to routers
- PoE devices always have external backup power
- A power-supply failure may reduce the total PoE budget available to connected endpoints**
Correct Answer: 4. A power-supply failure may reduce the total PoE budget available to connected endpoints
Explanation:
In some switch designs, the remaining power supplies after a failure may keep the switch operating but may not provide enough capacity for the full PoE load. This could cause powered devices to shut down even though the switch itself remains online. Presales engineers should therefore examine both system-power redundancy and PoE-power redundancy. Critical APs, phones, and cameras may require sufficient reserve power to remain operational during a power-module failure.
Question 229.
What is the main purpose of network segmentation between employee, guest, and IoT networks?
- Apply different access and security policies to different types of users and devices
- Increase fiber distance
- Eliminate all routing
- Replace identity management
Correct Answer: 1. Apply different access and security policies to different types of users and devices
Explanation:
Employees, guests, and IoT devices typically have different trust levels and communication requirements. Segmentation allows the network to isolate these groups and control which services each can reach. Guests may receive internet-only access, employees may access business applications, and IoT devices may be limited to specific servers. Segmentation can use VLANs, VRFs, policy-based mechanisms, or security zones depending on the architecture. This reduces unnecessary exposure and supports more consistent access control.
Question 230.
Why is identity-based access useful in an enterprise campus?
- It increases switch fabric capacity
- It allows network access policy to follow the user or device rather than depend only on a physical port
- It replaces all endpoint security
- It removes the need for authentication
Correct Answer: 2. It allows network access policy to follow the user or device rather than depend only on a physical port
Explanation:
Identity-based access enables the network to apply permissions according to who the user is or what type of device is connecting. This supports more flexible environments where employees move between floors, buildings, wired ports, and wireless access. Policies can be tied to roles such as employee, guest, administrator, camera, or printer. Centralized identity and authorization can therefore improve security and simplify policy consistency across the campus.
Question 231.
What is the main purpose of centralized authentication, authorization, and accounting for network administration?
- Provide consistent control and auditing of administrator access across multiple devices
- Increase optical transmission distance
- Replace logging
- Eliminate the need for user identities
Correct Answer: 1. Provide consistent control and auditing of administrator access across multiple devices
Explanation:
Centralized AAA allows administrator accounts, permissions, and access records to be managed consistently rather than independently on every network device. Authentication verifies identity, authorization defines allowed actions, and accounting records relevant activity. This improves operational security and makes it easier to revoke or change access when staff responsibilities change. Local emergency access may still be retained according to the organization’s security and recovery policies.
Question 232.
What is the primary purpose of separating management-plane traffic from ordinary user traffic?
- Increase wireless throughput automatically
- Improve security and preserve administrative access during some production-network failures
- Eliminate routing protocols
- Replace device authentication
Correct Answer: 2. Improve security and preserve administrative access during some production-network failures
Explanation:
Management traffic provides administrative access to routers, switches, controllers, and other infrastructure. Separating it through dedicated VLANs, interfaces, or out-of-band networks can limit exposure to ordinary users and reduce dependence on the production forwarding path. This is especially important for critical devices and remote troubleshooting. The management plane should also use secure protocols, centralized authentication, logging, and appropriate access restrictions.
Question 233.
What is the main purpose of using telemetry in modern network operations?
- Increase the physical capacity of network links
- Replace every management protocol
- Collect detailed operational data for monitoring, analytics, and troubleshooting
- Provide PoE to endpoints
Correct Answer: 3. Collect detailed operational data for monitoring, analytics, and troubleshooting
Explanation:
Telemetry can provide detailed and frequent information about device health, interfaces, traffic, routing, wireless performance, and other operational metrics. Centralized systems can analyze this data to identify trends, anomalies, and performance problems. Compared with relying only on occasional manual checks, telemetry supports more proactive operations. Presales engineers should consider data collection scale, management-platform capability, retention, and integration requirements when designing monitoring architectures.
Question 234.
Why is alarm correlation valuable in a large network-management system?
- It increases the number of alarms generated
- It removes the need for monitoring
- It changes routing-table entries automatically
- It helps operators distinguish a root problem from multiple related downstream alarms**
Correct Answer: 4. It helps operators distinguish a root problem from multiple related downstream alarms
Explanation:
One physical or logical failure can generate many alarms. For example, failure of an aggregation switch may cause dozens of downstream access devices to appear unreachable. Alarm correlation helps operations teams recognize that these symptoms may share a common root cause. This reduces investigation time and prevents engineers from treating every alarm as an independent failure. Effective correlation depends on accurate topology, timestamps, event data, and management-system intelligence.
Question 235.
What is the main benefit of automated configuration compliance checking?
- Identify devices that no longer match approved configuration standards
- Increase WAN bandwidth
- Replace configuration backups
- Eliminate the need for change control
Correct Answer: 1. Identify devices that no longer match approved configuration standards
Explanation:
Configuration drift can occur when devices are modified over time by different administrators or emergency changes. Automated compliance checking compares current configuration against approved templates or policies and highlights deviations. This can reveal missing security controls, inconsistent routing settings, or unauthorized changes. Presales engineers can position centralized management and automation as tools for improving operational consistency, but compliance checking should still operate within established change-management processes.
Question 236.
Why is configuration backup important before a network software upgrade?
- It increases software installation speed
- It provides recoverable configuration information if the upgrade or recovery process causes problems
- It removes the need for upgrade testing
- It guarantees that hardware cannot fail
Correct Answer: 2. It provides recoverable configuration information if the upgrade or recovery process causes problems
Explanation:
Software upgrades can occasionally encounter unexpected failures, configuration compatibility issues, or device replacement requirements. A recent configuration backup provides an important recovery resource if the original state must be restored. Upgrade planning should also include compatibility checks, release notes, maintenance windows, rollback procedures, and post-upgrade validation. Backup is one part of a controlled upgrade process rather than a substitute for proper testing and preparation.
Question 237.
What is the main purpose of phased deployment in a large multisite network project?
- Reduce deployment risk by implementing and validating the solution in controlled stages
- Ensure every site is upgraded simultaneously
- Prevent learning from early deployments
- Eliminate acceptance testing
Correct Answer: 1. Reduce deployment risk by implementing and validating the solution in controlled stages
Explanation:
A phased rollout allows the project team to deploy the solution to a pilot or limited group of sites before expanding to the entire organization. Lessons from early stages can improve configuration templates, migration procedures, training, and support processes. If problems appear, their impact is limited to a smaller group. This approach is particularly useful for large branch, campus, WLAN, or SD-WAN projects where repeating the same error across every site would be costly.
Question 238.
Why is a pilot site useful before a large branch-network rollout?
- It replaces the need for a design
- It validates the design, templates, migration steps, and operational processes in a real environment
- It eliminates future site differences
- It guarantees every branch has identical requirements
Correct Answer: 2. It validates the design, templates, migration steps, and operational processes in a real environment
Explanation:
A pilot site provides a practical environment for testing the proposed branch architecture before large-scale rollout. The project team can verify device configuration, WAN connectivity, security policy, application behavior, monitoring, automation, and migration procedures. Lessons learned can then be applied to subsequent sites. A pilot does not remove the need to account for branch-specific differences, but it can significantly reduce risk in repetitive deployment programs.
Question 239.
What is the main purpose of handover documentation after network implementation?
- Provide operations teams with the information needed to manage, troubleshoot, and maintain the deployed solution
- Replace all training
- Remove the need for monitoring
- Guarantee that future changes are unnecessary
Correct Answer: 1. Provide operations teams with the information needed to manage, troubleshoot, and maintain the deployed solution
Explanation:
Handover documentation can include final topology diagrams, addressing plans, device inventory, software versions, interface mappings, configuration backups, management procedures, support information, known limitations, and escalation contacts. Accurate documentation helps the operations team understand what was deployed and how it should be maintained. It also reduces dependence on the original project engineers and supports future troubleshooting, upgrades, and audits.
Question 240.
Which approach BEST supports a successful large-scale Huawei campus network deployment?
- Focus only on access-switch port count
- Deploy all sites at once without validation
- Ignore operational requirements until after implementation
- Combine requirements analysis, scalable architecture, wireless and PoE planning, segmentation, management, automation, phased rollout, testing, and operational handover**
Correct Answer: 4. Combine requirements analysis, scalable architecture, wireless and PoE planning, segmentation, management, automation, phased rollout, testing, and operational handover
Explanation:
A successful campus deployment depends on more than selecting switches and access points. Requirements must drive architecture, while wired and wireless capacity, PoE, segmentation, security, and resilience must be validated together. Centralized management and automation improve operational consistency, and phased rollout reduces deployment risk. Testing confirms that the solution meets agreed objectives, while complete documentation and handover ensure the network can be operated effectively after the project team finishes implementation.