Which of the following descriptions about the functions of the CNA module in Huawei FusionCompute is wrong?
- A . Provide virtual computing capabilities
- B . Dynamic adjustment of resources in the management cluster
- C . Manage computing, storage, and network resources on computing nodes
- D . Manage virtual machines on compute nodes
Which of the following descriptions about virtualization-related concepts is wrong?
- A . Guest Machine: virtual machine
- B . Guest OS: virtual machine operating system
- C . Host Machine: machine
- D . Host OS: virtualization software layer
Which of the following descriptions about Huawei FusionCompute HA is wrong?
- A . The system periodically checks the status of the virtual machine. When the failure of the CNA host causes the failure of the virtual machine, the system can migrate the virtual machine to other CNA hosts in the cluster and restart it to ensure that the virtual machine can recover quickly.
- B . If the data of the virtual machine is saved in the shared storage, the unsaved data will not be lost when a failure occurs
- C . The administrator can set different HA policies according to the importance of the virtual machine.
- D . This function supports automatic restart after a virtual machine failure
In which of the following scenarios, the core instructions issued by the operating system can be directly sent to the underlying hardware?
- A . CPU full virtualization scenario
- B . CPU Paravirtualization Scenario
- C . Hardware Assisted Virtualization Scenarios
- D . Non-virtualized scenarios
Which of the following options is the correct sequence for making a complete template for Huawei Desktop Cloud?
- A . Create a bare virtual machine>install the operating system>configure the operating system>encapsulate the template>convert the virtual machine into a template>configure the template
- B . Create a bare virtual machine > install the operating system > configure the operating system > join the domain > encapsulate the template > convert the virtual machine to a template > configure the template
- C . Create a bare virtual machine > install the operating system > join the domain > configure the operating system > package the template > convert the virtual machine to a template > configure the template
- D . Create a bare virtual machine > install the operating system > configure the operating system > encapsulate the template > join the domain > convert the virtual machine to a template > configure the template
Which of the following descriptions about cloud computing is wrong?
- A . Support users to use multiple devices to use cloud resources through the network
- B . Using the software-defined method, the data fault tolerance is not high
- C . It has the characteristics of on-demand self-service and meterable services
- D . The bottom layer can use virtualization technology to improve resource utilization
Which of the following descriptions about Libvirt components is wrong?
- A . Both KVM and Xen can call the api provided by Libvirt to manage the virtualization platform
- B . Libvirt is a set of library functions that are called by other technologies to manage the virtual machine on the machine
- C . Libvirt provides programming interfaces in multiple languages. You can directly call the external interface provided by Libvirt to operate the virtual machine through programming.
- D . Libvirt is a closed source project, it is a very powerful management tool
Which of the following descriptions about centralized storage and distributed storage is wrong?
- A . Distributed storage system is to disperse and store data on multiple independent devices. When reading data, it needs to read data on multiple devices at the same time, so it will affect the rate of data reading
- B . Centralized storage can be divided into SANFINAS storage according to the technical architecture, and SAN storage can be divided into FC-SAN and IP-SAN
- C . The biggest feature of centralized storage is that the deployment structure is simple, and RAID technology can also be used to ensure data security and reliability
- D . The distributed network storage system adopts a scalable system structure and uses multiple storage servers to share the storage load. It not only improves the reliability, availability and access efficiency of the system, but is also easy to expand
Which of the following is not an optional function item in the step of creating a template in FusionAccess Tindows Installer?
- A . Enable the firewall configuration function
- B . Install Personalized Data Management
- C . Enable third-party Gina certification
- D . Turn on Logout Restore
Which of the following descriptions about OpenStack is wrong?
- A . The underlying virtualization resources are managed through the coordination of various component services, and the usage is flexible
- B . OpenStack is an open source cloud platform operating system
- C . Virtualization resources can be allocated and scheduled according to user needs, and allocated to different businesses and applications
- D . OpenStack can independently implement resource access and abstraction without relying on the underlying virtualization software
Two virtual machines belonging to the same network segment in the same host cannot communicate with each other. Which of the following is not a possible cause of the failure?
- A . The network card of the virtual machine is faulty
- B . Virtual machine firewalls deny access to each other
- C . Virtual machines are isolated through security groups
- D . Two virtual machine NICs join the same port group
During the implementation of the FusionAccess gateway and load balancing deployment solution, after configuring vAG/MLB, it is found that the HA status is abnormal. Which of the following options is the cause of this failure?
- A . The administrator changed the root password of HDC
- B . The administrator changed the gandalf password of vAG/vLB
- C . The administrator changed the ITA portal login password
- D . The administrator changed the root password of vAG/vLB
To create a template in FusionAccess desktop cloud, which of the following accounts must be filled in as the temporary account when installing the Windows operating system?
- A . Private Account
- B . safeAccount
- C . AreaAccount
- D . LocalAccount
Which of the following descriptions about the virtual network card is wrong?
- A . The virtual network card has its own MAC address
- B . From a network point of view, the function of the virtual network card is similar to that of the physical network card
- C . The virtual network card has its own IP address
- D . A virtual machine can only have one virtual network card at the same time
Which of the following does not belong to Huawei’s VLAN interface type?
- A . Turnel
- B . Trunk
- C . Hybrid
- D . Access
Which of the following descriptions about IP routing is wrong?
- A . Include the next MAC address
- B . Can be dynamically generated
- C . Include the outgoing interface name
- D . Can be manually configured
Which of the following computer hardware is not a necessary group or part for a server?
- A . Monitor
- B . Power supply and fan module
- C . hard disk
- D . CPU
In Huawei FusionCompute, which one is correct about the description of "role"?
- A . A "role" can have one or more different "operating permissions"
- B . If a "user" has multiple "roles", its "operating authority" depends on the "role" with the highest priority
- C . The "operation authority" of the "role" cannot be modified
- D . A "user" can only have one "role"
Regarding the description of HDP display technology, which of the following wrong options?
- A . Use lossless compression for unnatural images
- B . Can automatically identify unnatural images such as text, Windows frames, lines, etc. in the entire image
- C . Only supports Huawei-specific self-developed image compression algorithms
- D . Lossy compression of natural images such as photos and pictures with an appropriate compression rate
FusionCompute consists of two parts: CNA and VRM. Which of the following is not a function of CNA?
- A . Manage computing, storage, and network resources on computing nodes
- B . Manage virtual machines on compute nodes
- C . Manage network resources (IP/VLAN) in the cluster and assign IP addresses to virtual machines
- D . Provide virtual computing capabilities
Which of the following descriptions about non-uniform memory architecture NUMA is wrong? ()
- A . Solve scalability problems in multiprocessor systems
- B . Load balancing needs to consider Node correlation in the scheduling process
- C . The CPU accesses the memory of other Nodes faster than the local memory
- D . Divide CPU, memory and /O resources into different Nodes
Which of the following descriptions about memory multiplexing technology is correct?
- A . If the memory usage of the user virtual machine is relatively high, it can be optimized by increasing the memory reuse ratio
- B . Turn on the memory multiplexing technology, which can increase the number of virtual machines deployed on the physical host to a certain extent
- C . Enable memory multiplexing technology, the higher the multiplexing ratio, the better the performance of the virtual machine
- D . The total memory of all virtual machines created by the user with memory reuse technology must be smaller than the physical memory
Which of the following descriptions about the development of cloud computing architecture is wrong?
- A . Resource pools move from small-scale resource virtualization integration to larger-scale resource pool construction
- B . Cloud platform and cloud management software from closed source and closed to open source and open
- C . From non-critical applications to enterprise-critical applications
- D . Data form from unstructured and semi-structured to structured
Which of the following descriptions about KVM is correct?
- A . KVM is a hardware-assisted virtualization
- B . KVM is a closed-source virtualization technology
- C . KVM is a virtual machine on Linux.
- D . KVM uses front-end and back-end architectures to realize virtualization
Which of the following descriptions about Hypervisor is correct?
- A . Hypervisor is equal to virtual batching, with Hypervisor, virtualization can be realized
- B . The Hypervisor implements the isolation between the operating system and applications and the hardware layer
- C . Hypervisor is an operating system in host virtualization
- D . Hypervisor runs in non-Root mode in hardware-assisted virtualization
Which of the following descriptions about the function of OvS (Open vSwitch) is wrong?
- A . Divide the LAN
- B . Build the tunnel
- C . Hardware monitoring
- D . Analog Routing
Which of the following descriptions about RAID is wrong?
- A . RAID 6 ensures the reliability of user data through mirroring
- B . RAID 5 guarantees the reliability of user data through parity check
- C . RAID 0 improves storage read and write performance through striping
- D . RAID 1 guarantees the reliability of user data through mirroring
A company has deployed its business on the FusionCompute platform. In order to optimize the memory access performance of the virtual machine, which of the following virtual machine features should be used?
- A . NUMA
- B . Resource hot addition
- C . Template deployment
- D . Snapshot
Which of the following can achieve load balancing among different hosts in the FusionCompute cluster?
- A . DPM
- B . IMC.
- C . CHA
- D . DRS
In the early stage of enterprise operation, two physical hosts are used to deploy the FusionCompute platform to carry services. The two hosts are in the same cluster. Virtual machine 1 runs on host A, and virtual machine 2 runs on host B. The business needs to reduce the load on host A. The technician wants to migrate virtual machine 1 on host A to host B, but finds that the migration cannot be completed. Which of the following is the possible reason?
- A . The cluster has enabled the IMC policy
- B . The cluster has enabled memory multiplexing
- C . Virtual machine 2 is set to bind with host B
- D . Virtual machine 1 and virtual machine 2 have set mutually exclusive virtual machine policies
Which of the following is not a characteristic of 5G?
- A . Broad connection
- B . Speed
- C . low cost
- D . Low latency
Which of the following descriptions about KVM is wrong?
- A . KVM is a kernel-based virtual machine that runs on the Linux operating system
- B . KVM supports hardware-assisted virtualization
- C . KVM needs the DomianO virtual machine to schedule hardware resources
- D . The KVM virtual machine exists as a process on the operating system
Which of the following cloud computing operation models is most suitable for small Internet of Things enterprises?
- A . Hybrid cloud
- B . Private cloud
- C . Community cloud
- D . Public cloud
Which of the following descriptions about DVs is wrong?
- A . Support QoS function
- B . Support VLAN function
- C . Does not support web services
- D . Does not support the OpenFlow protocol
Which of the following descriptions about namespace in Linux virtual network is wrong?
- A . Multiple namespaces can be created in a Host
- B . A device can only be located in one namespacer
- C . From a purely network perspective, namespacei can provide an independent network protocol money
- D . Different namespaces are isolated from each other and cannot communicate
Due to business development, a company needs to expand the disk capacity of some business virtual machines, but finds that several disks do not support capacity expansion. Which of the following is not a possible cause of the failure?
- A . The disk is a shared disk
- B . The disk is a differential disk
- C . The virtual machine is in the "Stopped" state
- D . The virtual machine is in maintenance mode
A bank now needs to purchase batches of hard disks to store some key data in daily operations. Which of the following hard disks is the most suitable?
- A . SSD disk
- B . SATA disk
- C . SAS disk
- D . NL-SAS disk
A company is migrating its business system to the FusionComute virtualization platform, and the management plane and business plane are on different network segments. However, due to incorrect configuration, a Linux virtual machine cannot run normally after migration.
Which of the following methods can an engineer not log in to a faulty virtual machine for troubleshooting?
- A . Log in to the normal virtual trigger on the same network segment and then jump to the faulty virtual machine
- B . Log in to the CNA operating system of the node and jump to the faulty virtual machine
- C . Log in to the virtual machine with VNC on the FusionCompute platform
- D . Use puttyi to remotely log in to the virtual machine
Which of the following does not belong to the interface type of VLAN?
- A . Trunk
- B . Hybrid
- C . Tunel
- D . Access
Which item is wrong with the description of FusionCompute distributed virtual machine switch port group?
- A . Port group supports special configuration of IP and MAC binding to improve security
- B . Virtual machine NICs connected to the same port group have the same network attributes
- C . A distributed switch can only create one port group in each computing node
- D . Port groups are a mechanism for setting policies that are used to manage networks connected to port groups
Which of the following is a typical application scenario of NAT technology?
- A . The company intranet virtual machine accesses the intranet application
- B . Internet access to the company’s internal Web application server
- C . The administrator logs in to the intranet virtual machine through the virtualization platform
- D . The same – mutual access of virtual machines in the network
Which of the following descriptions about distributed storage is wrong?
- A . Distributed storage has no controller enclosure and disk enclosure. All hard disk storage resources come from general servers.
- B . The equipment used in distributed storage is generally an ordinary server rather than a storage device
- C . Distributed storage has good scalability
- D . Distributed storage uses RAID technology to ensure high availability and security of data
Which of the following is not a common operating system file system?
- A . EXT4
- B . NTFS
- C . WNFS
- D . FAT32
Which of the following is a common virtual machine disk file format?
- A . VHD
- B . RAW
- C . VMDK
- D . VDI
Which of the following descriptions about distributed virtual switches is wrong?
- A . Each virtual machine has only one VNC connection
- B . For the convenience of management, port groups are used to manage a group of ports with the same attributes
- C . Multiple distributed switches can be configured in the cluster
- D . Each distributed switch has multiple distributed virtual ports
Which of the following descriptions about the technology used for virtual machine live migration is correct?
- A . Iterative Migration
- B . Forward Migration
- C . Memory sharing
- D . mirror double write
Which of the following is not a virtualization platform?
- A . KVM
- B . OpenStack
- C . EXSi
- D . XEN
Which of the following descriptions about cloud computing is correct?
- A . Cloud computing is a technology that enables convenient and on-demand access to resources anytime, anywhere
- B . Various IT resources in cloud computing need to be paid to use
- C . IT resources obtained in cloud computing need to be used through the network
- D . In the process of obtaining IT resources, users need to repeatedly negotiate with cloud computing service providers
Which of the following descriptions about clusters, hosts, and virtual machines in Huawei FusionComputer is incorrect?
- A . Hosts can move between clusters
- B . Virtual machines can be moved across clusters
- C . Whether multiple hosts belong to the same cluster depends on whether they use the same shared storage
- D . A cluster is composed of multiple hosts and their associated storage and network resources
In Huawei FusionCompute, the data storage type that does not support disk expansion is ()
- A . Fusion storage
- B . NAS storage
- C . Virtualized SAN storage
- D . Non-virtualized local disk
When installing Huawei FusionCompute, which storage is recommended to deploy the VRM?
- A . Local disk
- B . SAN
- C . FC SAN
- D . NAS
If a virtual machine on a physical host fails, it will not affect other virtual machines on the physical host. Which feature of virtualization technology does this belong to?
- A . to be independent
- B . Zoning
- C . to isolate
- D . Encapsulation
Which of the following descriptions about ISCS and Fiber Channel is incorrect?
- A . From the perspective of the transport layer, the transmission of Fiber Channel adopts the FC protocol, and the ISCSI adopts the TCP/IP protocol.
- B . The transmission distance of FC is farther than that of TCP/P
- C . ISCSI runs on Ethernet based on TCP/IP protocol and can be combined with existing Ethernet
- D . The FC protocol is completely heterogeneous with the existing Ethernet, and the compatibility is relatively poor
Which of the following process of establishing a file system on a disk is usually called?
- A . Formatting
- B . Encapsulation
- C . Partition
- D . RAID
When configuring IP SAN for the host, it is usually necessary to configure () for the host on the storage device so that the host and IPSAN can be mapped.
- A . ISCSI Client
- B . ISCSI Target
- C . ISCSI Server
- D . ISCSI Initiator
CS is a standardized protocol based on the () protocol and the SCS instruction set, and is widely used in many storage networks that use the () architecture.
- A . TCP/P FC SAN
- B . FC, IP SAN
- C . FC, FC SAN
- D . TCP/IPIP SAN
The port configuration of a Huawei switch is as follows: iteftce Ggabtethete por inkn type acespot defaut Wan16 According to the above configuration, which of the following description is correct?
- A . This port only allows data frames containing Van16 tags to pass through
- B . This port will add a Vanl6 tag to the data frame that will pass through
- C . The port will not perform any operations on the passing data
- D . The port will strip off the vlan16 label in the passing data frame and forward it
Which of the following is the correct description of the main purpose of enabling the NUMA function?
- A . Maximize the computing power of the physical host CPU
- B . Maximize the reuse rate of physical machine memory
- C . Optimize the memory access performance of the virtual machine
- D . Maximize the computing power of the vCPU of the virtual machine
In Huawei FusionCompute, which of the following descriptions of memory reuse is incorrect?
- A . After memory multiplexing is turned off, the sum of the memory of all virtual machines is less than or equal to the sum of the actual available physical memory
- B . Turning off memory reuse requires that the memory reuse rate of all hosts in the cluster be less than or equal to 100%
- C . The use of memory reuse will degrade the performance of the virtual machine
- D . The administrator can turn on or off the memory reuse function at any time
Which of the following descriptions about CPU resource QoS and memory resource QoS is incorrect?
- A . CPU share and CPU reservation only play a role when each virtual machine competes for computing resources
- B . Memory resource QoS is used to ensure that business-critical virtual machines can get enough memory resources
- C . The CPU QOS of the virtual machine is used to ensure that the computing resources of the virtual machine are allocated reasonably
- D . The memory resource QoS can only be used after the memory multiplexing switch is turned on