Among the core values of the hyper-converged data center network solution, which of the following improvements is the result of full-lifecycle automation?
Correct Answer:B
Hyper-converged data center network solutions emphasize automation across the entire lifecycle, from deployment to operations. Below is an analysis of each option:
100% unleashing of computing power : While automation can optimize resource allocation, achieving 100% utilization of computing power is not directly tied to full-lifecycle automation.
TTM reduced by 90% : Full-lifecycle automation streamlines processes such as provisioning, configuration, and scaling, significantly reducing Time-to-Market (TTM). This is a direct benefit of automation.
Proactive prediction of 90% of faults : Proactive fault prediction is typically achieved through AI-driven analytics, not solely through automation.
Storage performance improved by 90% : Improvements in storage performance are more closely related to advancements in hardware (e.g., NVMe over Fabrics) and software optimizations, rather than automation.
Thus, the correct answer is B , as full-lifecycle automation primarily reduces TTM. References:
Huawei Hyper-Converged Data Center Network Solution Overview, HCSA-Presales-IP Network Documentation.
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.
Correct Answer:B
The statement is incorrect because IP addresses function at the network layer (Layer 3) of the OSI model, not the data link layer (Layer 2). At the data link layer, devices useMAC addresses(Media Access Control addresses) to identify each other. MAC addresses are unique identifiers assigned to network adapters and are defined by the IEEE 802 standard.While IP addresses are essential for routing data across networks, they are not directly related to the data link layer. Therefore, the claim that "the address that functions at the data link layer is called an IP address" is false.
References:
HCSA-Presales-IP Network Study Guide, Section: "OSI Model and Addressing." IEEE 802 Standards Documentation.
MACsec is an important feature to ensure security and reliability. Which model of CloudEngine S6730 Series can support MACsec?
Correct Answer:ABD
MACsec (Media Access Control Security) is a Layer 2 encryption protocol that ensures secure communication between devices in a network. It provides data confidentiality, integrity, and replay protection at the Ethernet layer.
The following models in the Huawei CloudEngine S6730 series support MACsec:
S6730-H48X6C : This switch supports MACsec on its high-speed ports, ensuring secure communication for critical applications.
S6730-H24X6C : Similar to the H48X6C, this model also supports MACsec, making it suitable for environments requiring robust security.
S6730-H24X4Y4C : This model also includes MACsec support, providing advanced
security features for enterprise networks.
However, the S6730-S24X6Q does not support MACsec. It is designed for scenarios where Layer 2 encryption is not a primary requirement.
Thus, the correct answers are A , B , and D . References:
Huawei CloudEngine S6730 Series Switch Product Documentation, HCSA-Presales-IP Network Documentation.
On a data communication network, the network layer header of a packet sent by the source node carries the network layer addresses of both the source and destination nodes of the packet. Network devices with the routing function maintain the routing table. When receiving the packet, which address carried in the network layer do these network devices read and search their routing tables for a matching entry? After one is found, the packet is forwarded accordingly.
Correct Answer:B
In IP-based networks, routers use the destination IP address in the network layer header to determine the next hop for forwarding packets. The routing table contains entries that map destination IP addresses to outgoing interfaces or next-hop routers.
Source MAC and Destination MAC are Layer 2 (data link layer) addresses and are not used for routing decisions.
Source IP is irrelevant for routing, as the router focuses on delivering the packet to the destination IP address.
Thus, the correct answer is B , as routers use the destination IP address to make forwarding decisions.
References:
Huawei Routing Fundamentals Guide, HCSA-Presales-IP Network Documentation.
Which of the following are the hardware characteristics of the S8700?
Correct Answer:ABCD
The Huawei CloudEngine S8700 series switches are designed for enterprise campus networks and aggregation layers, offering advanced hardware features that ensure high performance, scalability, and reliability. Below is an explanation of each option:
Cards with ultra-high-density GE optical/GE electrical/10GE optical ports : The S8700 supports high-density interfaces, including Gigabit Ethernet (GE) and 10 Gigabit Ethernet (10GE) ports, making it suitable for large-scale campus networks.
Ultra-high PoE++ output capability, supporting ultra-long-distance high-performance PoE transmission : The switch provides Power over Ethernet (PoE++) support, delivering up to 90W per port. This capability is ideal for powering devices like IP cameras, wireless access points, and IoT devices over long distances.
Service subcards are integrated on the main control board panel, separating the forwarding plane from the control plane and enriching port combinations : This design enhances
modularity and flexibility, allowing users to customize port configurations based on their specific requirements.
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 : The S8700 ensures high availability through redundant main control boards. This feature guarantees uninterrupted operation even during maintenance or failures.
All four options accurately describe the hardware characteristics of the S8700, making them all correct.
References:
Huawei CloudEngine S8700 Series Switch Product Documentation, HCSA-Presales-IP Network Documentation.