Pass the Huawei HCIA-Cloud Computing H13-511_V5.5 Questions and answers with CertsForce

In the official Huawei HCIA-Cloud Computing documentation, specifically the "FusionAccess Security" module, the system is described as having a multi-layered security architecture. These four access management policies are the primary tools used to control entry into the virtual desktop environment.

MAC address-based control (A)allows administrators to bind specific users or groups to authorized hardware devices. This ensures that even if a password is compromised, the user can only log in from a company-issued terminal.Time-based control (B)functions as a whitelist; it defines a "valid window" (e.g., 08:00 to 18:00) during which desktop access is permitted. Outside of these hours, the system rejects connection attempts, which is critical for managing contractors or ensuring compliance with labor regulations.

IP address-based control (C)is highly flexible, supporting both blacklists (to block known malicious ranges) and whitelists (to allow only local office subnets). Administrators can define these rules for individual IPs or entire CIDR blocks. Finally,Certificate-based control (D)provides the highest level of identity assurance. Unlike the other policies which can be granular, certificate authentication is typically a global system setting in the ITA/HDC configuration. When enabled, every client must present a valid digital certificate issued by a trusted Certificate Authority (CA) before they are even prompted for a username and password.

By combining these policies, Huawei FusionAccess creates a "Zero Trust" style environment where access is granted based on the user's identity, their physical device, their location (IP), and the time of day. Understanding how to configure these policies in theITA (IT Adapter)portal is a key requirement for the HCIA-Cloud Computing certification and essential for maintaining a secure enterprise desktop cloud.

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According to the Huawei HCIA-Cloud Computing curriculum, the definition of centralized storage is centered on the unified management of hardware components. The statement is TRUE as it accurately describes the physical architecture of traditional SAN (Storage Area Network) and NAS (Network Attached Storage) systems. In a centralized model, the storage system typically consists of two main parts: the Controller Enclosure and the Disk Enclosure.

The controller enclosure is the "brain" of the storage system. It contains the controllers (usually in a redundant pair for high availability), cache, and interface modules. Its role is to process I/O requests from servers, manage RAID configurations, and handle advanced data features like snapshots or replication. The disk enclosures, on the other hand, are the physical "shelves" that house the actual Hard Disk Drives (HDDs) or Solid State Drives (SSDs). These enclosures are connected to the controller enclosure via high-speed backend cables (such as SAS).

In this centralized architecture, the physical disks are not "visible" to the hosts directly. Instead, the controller abstracts these physical disks into a storage pool and then intoLUNs (Logical Unit Numbers). These LUNs are then mapped to service hosts (servers) via the storage network (FC or IP). This design allows for high performance and centralized management, as administrators can monitor and configure the entire storage resource pool from a single interface (such as Huawei DeviceManager). This is the standard deployment model for mission-critical applications in a Huawei FusionCompute environment, ensuring that storage resources are consolidated, secure, and easily scalable by adding more disk enclosures.

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According to the Huawei HCIA-Cloud Computing training materials, the statement is TRUE. TAP (Network TAP) is a virtual network kernel device that is part of the standard Linux kernel networking stack.2 It is "independently maintained" because it is a native Linux feature, not a proprietary tool built solely for a specific hypervisor like KVM or Xen. TAP devices operate at the Data Link Layer (Layer 2) of the OSI model, meaning they handle Ethernet frames.3

In a cloud computing environment, TAP devices are fundamental for bridging the gap between virtual machines and the physical network. When a Virtual Machine is created, the hypervisor (CNA in Huawei's case) creates a TAP device on the host. One end of this TAP device is "plugged" into the virtual machine's NIC, while the other end is connected to a virtual switch (like the DVS or Linux Bridge). This allows the VM to send and receive Ethernet frames as if it were connected to a physical switch port.

Linux maintains TAP alongside its counterpartTUN(which operates at Layer 3/Network Layer).4Because TAP carries full Ethernet headers, it is the preferred device for virtual switches, as it allows for features like VLAN tagging and MAC address learning. Huawei’s virtualization technology leverages these standard Linux kernel features to provide a high-performance, stable networking environment. Understanding that TAP is a standard, independent Linux kernel component is vital for candidates, as it explains how open-source foundations are used to build enterprise-grade cloud platforms like FusionCompute.

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Service Model

Description

Infrastructure as a Service (IaaS)

The cloud platform provides infrastructure (such as servers, storage devices, networks, and virtual resources) and maintains related resources. Users only need to focus on systems and applications.

Platform as a Service (PaaS)

The cloud platform provides infrastructure (such as servers, storage devices, networks, and virtual resources) and application deployment environment (such as operating systems, middleware, and software running environment) and maintains related resources. Users only need to focus on applications and data.

Software as a Service (SaaS)

The cloud platform provides all resources, services, and maintenance. Users only need to use applications.

According to the official Huawei HCIA-Cloud Computing curriculum, cloud services are categorized into three standard models:IaaS, PaaS, and SaaS, distinguished by the boundary of responsibility between the provider and the user.

In theIaaS(Infrastructure as a Service) model, the provider is responsible for the physical and virtualized hardware resources, including compute, networking, and storage. The user retains control over the "system" level, meaning they must install and manage the operating system, middleware, and applications. This model offers the highest level of flexibility and is the foundation for Huawei's FusionCompute services.

PaaS(Platform as a Service) moves the boundary higher. The cloud platform provides not only the infrastructure but also the entire development and deployment environment. This includes the operating system, database management systems, and middleware. The user is relieved of system maintenance and only needs to focus on the "applications and data" layer. This model is ideal for developers who want to deploy software without managing the underlying server stack.

Finally,SaaS(Software as a Service) represents the highest level of abstraction. The provider manages the entire stack, from hardware to the application itself. Users simply access and "use the application" via a web browser or client. The user has no responsibility for maintenance, updates, or infrastructure scaling. Understanding these models is critical for the HCIA exam as it defines how Huawei Cloud Stack delivers different value propositions to enterprise customers.