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Huawei H12-893_V1.0 考試大綱：

主題	簡介
主題 1	Technical Principles and Applications of VXLAN: Aimed at Data Center Network Engineers, this section evaluates their understanding of the necessity, development, and foundational concepts of VXLAN technology in addressing traditional network limitations. It also delves into the principles of Ethernet VPN (EVPN) as a control plane for VXLAN and presents practical VXLAN deployment examples in common data center scenarios.
主題 2	Technical Principles and Applications of Virtualization: This section assesses the skills of IT Solution Architects and Data Center Network Engineers in understanding server and network virtualization concepts, benefits, and implementation strategies within data centers. It also introduces Huawei's FusionCompute platform, its features, functionalities, and applications in virtualization scenarios.
主題 3	Data Center Network O&M: Aimed at Data Center Network Engineers, this section evaluates their understanding of operation and maintenance (O&M) challenges in data center networks. It introduces Huawei's intelligent O&M solutions, including iMaster NCE-Fabric and iMaster NCE-FabricInsight, and discusses typical O&M scenarios, management, monitoring, troubleshooting practices, and automated O&M strategies through network service programmability.
主題 4	Huawei CloudFabric Solution: Targeting IT Solution Architects, this section introduces Huawei's CloudFabric solution, addressing evolving trends and challenges in data center networks. It highlights the solution's components, key features, and advantages in modern data centers.
主題 5	Data Center Network Planning and Deployment: This section assesses Data Center Network Engineers' skills in planning, designing, and deploying data center networks using the CloudFabric solution. It covers network architecture design, data planning, underlay and overlay network design, security considerations, management strategies, and provides a deployment guide for the CloudFabric solution in computing scenarios, including pre-configuration, service provisioning, and simplified deployment processes.

>> H12-893_V1.0最新考證 <<

最新的 HCIP-Data Center H12-893_V1.0 免費考試真題 (Q16-Q21):

問題 #16
iMaster NCE-Fabric is Huawei's DC controller. Tenants can use it to create VPCs and deploy logical networks as required. After logical NEs are deployed, the corresponding network configurations are delivered to underlying network devices. Which of the following statements is false about the delivered network configurations?

A. An end port represents an online host. It corresponds to the traffic encapsulation type (whether a VLAN tag is carried) configured on a Layer 2 sub-interface of a physical device.
B. A logical port is equivalent to an independent physical port that is used by a host to connect to a VXLAN network. It corresponds to the Layer 2 sub-interface configuration on a physical device.
C. Logical switches are mainly used for Layer 3 communication between hosts on a VXLAN network. These switches correspond to Layer 3 gateway configurations such as VBDIF interface and VPN instance configurations on physical devices.
D. Logical switches are mainly used for Layer 2 communication between hosts on a VXLAN network. These switches correspond to BD and Layer 2 VNI configurations on physical devices.

答案：C

解題說明：
iMaster NCE-Fabric automates network configuration delivery in Huawei's CloudFabric. Let's evaluate each statement:
A . Logical switches are mainly used for Layer 3 communication between hosts on a VXLAN network. These switches correspond to Layer 3 gateway configurations such as VBDIF interface and VPN instance configurations on physical devices: This is false. Logical switches in iMaster NCE-Fabric primarily handle Layer 2 communication (e.g., bridging within a VNI), corresponding to Bridge Domains (BDs) and Layer 2 VNIs. Layer 3 communication is managed by gateways, not logical switches. FALSE.
B . An end port represents an online host. It corresponds to the traffic encapsulation type (whether a VLAN tag is carried) configured on a Layer 2 sub-interface of a physical device: This is true. End ports map to host connections, with encapsulation (VLAN-tagged or untagged) configured on sub-interfaces. TRUE.
C . A logical port is equivalent to an independent physical port that is used by a host to connect to a VXLAN network. It corresponds to the Layer 2 sub-interface configuration on a physical device: This is true. Logical ports represent host connections, mapped to Layer 2 sub-interfaces for VXLAN access. TRUE.
D . Logical switches are mainly used for Layer 2 communication between hosts on a VXLAN network. These switches correspond to BD and Layer 2 VNI configurations on physical devices: This is true. Logical switches facilitate Layer 2 connectivity, aligning with BD and VNI settings. TRUE.
Thus, A is the false statement because logical switches are for Layer 2, not Layer 3, communication.

問題 #17
VXLAN is a network virtualization technology that uses MAC-in-UDP encapsulation. What is the destination port number used during UDP encapsulation?

A. 0
B. 1
C. 2
D. 3

答案：B

解題說明：
VXLAN (Virtual Extensible LAN) is a network overlay technology that encapsulates Layer 2 Ethernet frames within UDP packets to extend Layer 2 networks over Layer 3 infrastructure, widely used in Huawei's CloudFabric data center solutions. The encapsulation process, often referred to as "MAC-in-UDP," involves wrapping the original Ethernet frame (including MAC addresses) inside a UDP packet.
UDP Encapsulation: The VXLAN header follows the UDP header, and the destination UDP port number identifies VXLAN traffic. The Internet Assigned Numbers Authority (IANA) has officially assigned UDP port 4789 as the default destination port for VXLAN.
Options Analysis:
A . 4787: This is not a standard VXLAN port and is not recognized by IANA or Huawei documentation.
B . 4789: This is the correct and widely adopted destination port for VXLAN, as specified in RFC 7348 and implemented in Huawei's VXLAN configurations.
C . 4790: This port is not associated with VXLAN and is unused in this context.
D . 4788: This is not a standard VXLAN port; it may be confused with other protocols but is not correct for VXLAN.
Thus, the destination port number used during UDP encapsulation in VXLAN is B (4789), aligning with Huawei's VXLAN implementation standards.

問題 #18
Which of the following are advantages of iMaster NCE-FabricInsight's telemetry-based performance metric collection? (Select All that Apply)

A. Intelligent data analysis and automated troubleshooting
B. Quasi-real-time data collection
C. One-off subscription and continuous data push
D. Efficient transmission

答案：B,C,D

解題說明：
iMaster NCE-FabricInsight uses telemetry for performance metric collection, offering advanced monitoring in Huawei's CloudFabric Solution. Let's evaluate each option:
A . Efficient transmission: This is true. Telemetry uses streaming data (e.g., gRPC) to reduce overhead compared to traditional polling, enabling efficient transmission of metrics. TRUE.
B . Quasi-real-time data collection: This is true. Telemetry provides near-real-time data (e.g., sub-second updates), improving responsiveness over periodic SNMP polling. TRUE.
C . Intelligent data analysis and automated troubleshooting: This is false. While FabricInsight performs intelligent analysis, automated troubleshooting is a feature of the broader iMaster NCE platform, not specifically a telemetry advantage. Telemetry enables data collection, not the automation itself. FALSE.
D . One-off subscription and continuous data push: This is true. Telemetry operates on a subscription model where a one-time setup leads to continuous data push from devices, reducing manual intervention. TRUE.
Thus, A, B, and D are advantages of telemetry-based performance metric collection.

問題 #19
Which of the following technologies are Layer 4 load balancing technologies? (Select All that Apply)

A. PPP
B. LVS
C. HAProxy
D. Nginx

答案：B,C,D

解題說明：
Layer 4 load balancing operates at the transport layer (OSI Layer 4), using TCP/UDP protocols to distribute traffic based on information like IP addresses and port numbers, without inspecting the application-layer content (Layer 7). Let's evaluate each option:
A . Nginx: Nginx is a versatile web server and reverse proxy that supports both Layer 4 and Layer 7 load balancing. In its Layer 4 mode (e.g., with the stream module), it balances TCP/UDP traffic, making it a Layer 4 load balancing technology. This is widely used in Huawei's CloudFabric DCN solutions for traffic distribution. TRUE.
B . PPP (Point-to-Point Protocol): PPP is a Layer 2 protocol used for establishing direct connections between two nodes, typically in WAN scenarios (e.g., dial-up or VPNs). It does not perform load balancing at Layer 4 or any layer, as it's a point-to-point encapsulation protocol. FALSE.
C . LVS (Linux Virtual Server): LVS is a high-performance, open-source load balancing solution integrated into the Linux kernel. It operates at Layer 4, using techniques like NAT, IP tunneling, or direct routing to distribute TCP/UDP traffic across backend servers. It's a core Layer 4 technology in enterprise DCNs. TRUE.
D . HAProxy: HAProxy is a high-availability load balancer that supports both Layer 4 (TCP mode) and Layer 7 (HTTP mode). In TCP mode, it balances traffic based on Layer 4 attributes, making it a Layer 4 load balancing technology. It's commonly deployed in Huawei DCN environments. TRUE.
Thus, A (Nginx), C (LVS), and D (HAProxy) are Layer 4 load balancing technologies. PPP is not.

問題 #20
Which of the following can be deployed to enhance DC reliability? (Select All that Apply)

A. Monitor Link
B. Controller cluster
C. M-LAG
D. Power supply redundancy

答案：B,C,D

解題說明：
Reliability in Huawei's CloudFabric data centers is enhanced through various mechanisms. Let's evaluate each option:
A . Power supply redundancy: This is true. Redundant power supplies (e.g., dual PSUs) ensure uninterrupted operation during power failures, a key reliability feature. TRUE.
B . M-LAG (Multi-Chassis Link Aggregation): This is true. M-LAG provides high availability by allowing active-active forwarding and failover between switches, enhancing network reliability. TRUE.
C . Monitor Link: This is false. Monitor Link is a Huawei feature for link status monitoring, not a direct reliability enhancement mechanism like redundancy or clustering. FALSE.
D . Controller cluster: This is true. A clustered SDN controller (e.g., iMaster NCE-Fabric) ensures high availability and failover, improving network management reliability. TRUE.
Thus, A, B, and D enhance DC reliability.

問題 #21
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總體來說，Fast2test 的模擬試題還是比較實用的，知識點也比較明確，據廣大考生反應，真正的 H12-893_V1.0 考題都是我們考題網裡面的原題，而且題目的答案也比較隱晦一些，不懂不明白那個知識。或沒有認真看題目，是不可能選到正確答案的，如果你通過我們的 Huawei H12-893_V1.0 考題模擬，就能在 H12-893_V1.0 考試中輕鬆過關，讓自己更加接近成功之路。

最新H12-893_V1.0考證: https://tw.fast2test.com/H12-893_V1.0-premium-file.html

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完全包括的H12-893_V1.0最新考證|高通過率的考試材料|更新的最新H12-893_V1.0考證

Huawei H12-893_V1.0 考試大綱：

最新H12-893_V1.0考證，H12-893_V1.0考題寶典

最新的 HCIP-Data Center H12-893_V1.0 免費考試真題 (Q16-Q21):