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質問 # 185
With the "Internet" being valued and the rise of big data and cloud computing, related technologies have entered like mushrooms In your vision, one of the most widely used and valued is Docker. The following incorrect statement about Docker is
- A. Docker can package the underlying environment of applications to ensure that applications can still run normally after migration
- B. Docker needs to create a virtual layer, virtual operating system, etc. on the host or host operating system, and then installation
- C. Docker runs with containers, which are running instances created from Image
- D. Docker launches faster than other virtual machine technologies
正解：B
質問 # 186
Memory swapping refers to using memory virtual or external storage for the virtual machine, storing temporarily unused data on the virtual machine on the external storage, and when the system is about to use these data, it is exchanged with the data reserved in the memory exchange.
- A. True
- B. False
正解：A
質問 # 187
Data packets in the cloud computing virtual network need to be routed and forwarded through routers in the physical network.
- A. True
- B. False
正解：B
質問 # 188
In Fusion Computer, when adding shared storage for multiple hosts, which of the following operations is correct? (Multiple choice)
- A. All hosts need to be checked when initializing storage resources
- B. When the shared storage type is IP SAN, ensure that the storage network of the host and the service interface of the storage are connected
- C. Check the corresponding host when adding data storage
- D. Select all hosts when associating the storage device
正解：B、C
質問 # 189
Which of the following descriptions about components in OpenStack is correct?
- A. Neutron is used to provide metering services
- B. Heat is used to provide deployment orchestration services
- C. Nova is used to provide network services
- D. Cinder is used to provide object storage services
正解：B
質問 # 190
The virtual switch port is a port on the virtual switch, which is used to connect the physical network card and the virtual switch oVS to provide external network services for the virtual machine.
- A. True
- B. False
正解：B
質問 # 191
In the NAS environment, multiple hosts write to a file at the same time, which will cause data consistency problems.
- A. True
- B. False
正解：B
質問 # 192
Which of the following descriptions about the technical features of FusionCompute is wrong?
- A. Adopt a variety of security measures to ensure business security
- B. Use virtualization management software to support all operating systems except Liux
- C. Has perfect authority management
- D. Support a variety of hardware devices
正解：B
質問 # 193
Which of the following descriptions about Linux network devices is correct?
- A. The tun device works on the second floor
- B. The tap device works on the third floor
- C. tun/tap does not send packets through user space programs but sends them to physical media
- D. tun/tap is simply site-to-site or ethernet devices receive packets not from devices in the house but from user space programs
正解：D
質問 # 194
Virtual machines in the same cluster in FusionCompute must use the same DVS.
- A. True
- B. False
正解：B
質問 # 195
In Huawei FusionCompute, the system disk of the virtual machine cannot be unbound.
- A. True
- B. False
正解：B
質問 # 196
Which of the following descriptions about the FusionCompute virtual machine disk is wrong?
- A. Ordinary disks can only be bound to a single virtual machine, and shared disks can be bound to multiple virtual machines.
- B. When multiple virtual machines use the same shared disk, no application software is required to control access to the disk
- C. Under the premise that the capacity of the created disk is the same, the time required to create a common type disk is generally longer than that of a thin type disk
- D. Common type disks allocate space for the disk according to the disk capacity, and thin type disks only allocate part of the disk capacity configuration value for the first time
正解：B
質問 # 197
Which of the following descriptions about virtualized storage Thick LUN usage scenarios is wrong?
- A. Scenarios where storage space utilization is less sensitive
- B. Scenarios where it is difficult to estimate storage space in practical applications
- C. Trades with high performance requirements
- D. Scenarios with low cost requirements
正解：B
質問 # 198
Memory multiplexing will use multiple memory multiplexing technologies to multiplex memory in time, and its memory multiplexing rate is recommended to be controlled within ()%.
正解：
解説：
150
質問 # 199
Which of the following are the correct description of the relationship between Host Machine and Guest Machine? (Multiple choice)
- A. After using virtualization technology, a Guest Machine can only run on the Host Machine that created it
- B. After using virtualization technology, a Host Machine can only run one Hypervisor
- C. After using virtualization technology, multiple Guest Machines can be run on one Host Machine.
- D. After using virtualization technology, a Guest Machine can use the resources of multiple Host Machines at the same time
正解：B、C
質問 # 200
IoT devices can be connected to the Internet and can be controlled via the Internet.
- A. True
- B. False
正解：A
質問 # 201
In the initial construction of an enterprise, the bottom layer used the virtualization of the KVM architecture. Now it plans to install the Virtio driver to improve performance, but the installation fails. The reason may be that the device is old and does not support the application driver.
- A. True
- B. False
正解：A
質問 # 202
In Huawei Fusion Computer, snapshots can be created for the CNA host.
- A. True
- B. False
正解：B
質問 # 203
In Huawei FusionCompute, which of the following operations can take effect immediately?
- A. Directly read and write to the newly bound disk
- B. Disk capacity reduction
- C. Delete network card
- D. Install Tools
正解：C
質問 # 204
Which of the following is not an optional function item in the step of creating a template in FusionAccess Tindows Installer?
- A. Install Personalized Data Management
- B. Enable the firewall configuration function
- C. Turn on Logout Restore
- D. Enable third-party Gina certification
正解：C
質問 # 205
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 isolate
- B. Zoning
- C. to be independent
- D. Encapsulation
正解：A
質問 # 206
Which of the following descriptions about memory virtualization are wrong? (Multiple choice)
- A. The core of memory virtualization technology is to introduce a new layer of address space--client physical address space
- B. Hypervisor controls the mapping of virtual addresses to physical addresses in guest memory
- C. The memory address translation of memory virtualization involves three kinds of memory addresses, namely virtual machine memory address, physical memory address and machine memory address
- D. The virtual machine Guest OS needs to be responsible for mapping the customer's physical memory to the actual machine memory
正解：B、D
質問 # 207
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