HCIA-Coud Computing

The following incorrect description of hot and cold migration is () .

A. Hot migration is the migration of virtual machines running from one host to another king machine, business will not occur during the migration process Break.

B. In the performance test-reliability test, there are tests for virtual machine migration, including hot migration, cold migration, migration duration, Duration of business interruption.

C. Cold migration is to migrate a virtual machine in a stopped state from one host to another host, and business will be interrupted during the migration process.

D. Both hot and cold migrations will migrate memory and disk data.

Answer: D

If virtual machine A and virtual machine B run on different physical servers, which physical device must be used in the communication process. (Multiple choice).

A. Virtual NIC

B. Virtual Switch

C. Physical switch

D. Physical network card

Answer: A B C D

In FusionCompute, the virtual network adapter of each virtual machine is connected to the port of the virtual switch. In order to facilitate the user to configure and manage multiple ports at the same time, divide the ports with the same network attributes into the same port group.

A. TRUE

B. FALSE

Answer: A

In Huawei FusionCompute, the following incorrect description of port groups and security groups is.

A. A virtual machine NIC is connected to a virtual port in the port group, and a virtual machine NIC is associated with a security group.

B. A B-port group is a collection of one or more virtual ports on a DVS, while a security group is a collection of one or more rules.

C. A DVS can have multiple port groups and a VM can be protected by multiple security groups.

D. Security groups are based on port groups to protect virtual machines /// virtual network cards.

Answer: D

The following incorrect description of iSCSI and Fibre Channel is ().

A. The FC protocol is completely heterogeneous with the existing Ethernet and has poor compatibility.

B. iSCSI runs on Ethernet based on TCP / IP protocol and can be seamlessly integrated with existing Ethernet.

C. FC has a longer transmission distance than TCP / IP.

D. From the perspective of the transport layer, Fibre Channel uses the FC protocol, and iSCSI uses the TCP/ IP protocol.

Answer: C

In Huawei FusionCompute, virtual machines using non-virtualized storage do not support the snapshot

function.

A. TRUE

B. FALSE

Answer: B

In-use memory exchange refers to using virtual memory or external storage for the virtual machine, and storing temporarily unused data on the virtual machine to external storage. When the system needs to use this data, it is then exchanged with data reserved in memory Exchange.

A. TRUE

B. FALSE

Answer: A

Which of the following options are KVM (multiple choice).

A. Libvirt

B. Domain 0

C. QEMU

D. ESXI

Answer: A, C

In FusionCompute, the following description about deleting a security group is incorrect.

A. Authorization between the security group to be deleted and other security groups does not affect the deletion.

B. There are no virtual machines in the security group. If there are virtual machines in the security group, you need to remove the virtual machines from the security group.

C. After the security group is deleted, all the security group rules in the group are deleted at the same time.

D. When you delete a security group to which a virtual machine belongs, the other security groups have no effect on the virtual machine.

Answer: C

In Huawei FusionCompute, when a virtual machine installs an operating system by mounting a local image

file, the administrator can close the VNC window at any time without affecting the reading of the image.

A. TRUE

B. FALSE

Answer: A

In a NAS environment, multiple hosts writing to a file at the same time will cause data consistency issues.

A. TRUE

B. FALSE

Answer: A

The following incorrect description of memory reuse is.

A. memory reuse technology can make the sum of virtual machine memory specifications larger than the sum of physical server specifications.

B. memory reuse technology can make the total memory used by virtual machines larger than the total memory of physical server specifications.

C. After the memory reuse function is enabled, the memory reuse rate is inversely proportional to the actual

memory usage of each virtual machine.

D. memory reuse single technology includes memory bubbles, memory swap and memory sharing.

Answer: B

In FusionCompute, the administrator binds the two network adapters of the CNA host in the active / standby

mode. After binding, the transmission rate is equal to the sum of the transmission rates of the two network ports.

A. TRUE

B. FALSE

Answer: B

In Huawei FusionCompute, if the Windows virtual machine has a blue screen, what operations can the system perform? [Multiple choice].

A. HA Virtual Machine.

B. Recover a virtual machine using a snapshot.

C. Restart the virtual machine.

D. Not processed.

Answer: A, C, D

In Huawei FusionCompute, which of the following factors does DRS perform virtual machine migration? (Multiple choices).

A. Memory

B. I / O

C. Network traffic

D. CPU

Answer: A, D

The cloud service purchased by the user includes the application operating environment, but there is no application and related data. This mode

Formula belongs to.

A. SaaS

B. PaaS

C. NaaS

D. IaaS

Answer: B

A virtual machine can have multiple virtual NICs at the same time, corresponding to different virtual switches.

A. True

B. False

Answer: A

Artificial intelligence is a new research and development theory, method, technology and application system used to extend artificial intelligence.

Technical science, the following statement about artificial intelligence is wrong.

A. Artificial intelligence is not social.

B. Artificial intelligence is an unconscious mechanical physical process.

C. Artificial intelligence does not have the dynamic creativity unique to human consciousness.

D. Artificial intelligence is a technology for items to exchange information through network connectivity.

Answer: D

Voice recognition, image recognition, and emotional companion robots are all applications of artificial

intelligence.

A. True

B. False

Answer: A

Which device in the physical network is capable of routing and forwarding?

A. Hub

B. Layer 2 switch

C. Router

D. Physical server NIC

Answer: C

Features of virtualization include partitioning, isolation, encapsulation and standalone.

A. Yes

B. Wrong

Answer: A

In Huawei FusionCompute, DRS rules do not take effect for virtual machines bound to USB devices.

A. TRUE

B. FALSE

Answer: A

For FusionCompute, the incorrect description of the hardware of the bare device is ().

A. Disks mapped using raw devices perform best.

B. The operating system is recommended to be installed on a disk that uses the raw device mapping function.

C. A data store using raw device mapping intelligently corresponds to a LUN on the SAN storage.

D. A data store using raw device mapping can only correspond to one disk.

Answer: B

The following Qos description about CPU and memory resources is incorrect.

A. Memory resources QOS is used to ensure that business-critical virtual machines can get sufficient memory resources.

B. CPU shares and CPU reservations work only when each virtual machine competes for computing resources.

C. The CPU QoS of the virtual machine is used to ensure that the computing resources of the virtual machine are reasonably allocated.

D. Memory resource QoS can only be used after the memory reuse switch is enabled.

Answer: D

In Huawei FusionCompute, a virtual machine can have multiple virtual network adapters.

A. TRUE

B. FALSE

Answer: A

In Huawei FusionCompute, the following can only be used as non-virtualized storage: ().

A. NAS

B. FusionStorage

C. local disk

D. SAN

Answer: B

Set the VLAN ID of the port group to 10 in Huawei FusionCompute (multi-selection).

A. untagged the data frame with VLAN 10 tag passing the port group and forwarded it.

B. Data frames passing the port group with a VLAN 10 tag are re-labeled with a VLAN ID and then

forwarded.

C. Drop data frames passing the port group with a non-VLAN 10 tag.

D. VLAN 10 tagged data frames passing through this port group are forwarded.

Answer: A, C, D

The description of the relationship between Host Machine and Guest Machine is correct (multiple choice)

A. After using virtualization technology, one guest machine can use the resources of multiple host machines at the same time.

B. After using virtualization technology, a guest machine can only run on the host machine that created it.

C. After using virtualization technology, a Host Machine can only run one Hypervisor.

D. After using virtualization technology, multiple guest machines can run on one host machine.

Answer: C, D

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 launches faster than other virtual machine technologies.

D. Docker runs with containers, which are running instances created from Image.

Answer: B

Cloud computing is the product of the development of the Internet and computing technology, so cloud computing must be inseparable from the network.

A. TRUE

B. FALSE

Answer: A

Which of the following requirements can be fulfilled by Huawei FusionCompute DRS.

A. Windows virtual machine automatically restarts after a blue screen.

B. A host in the cluster is unavailable. The virtual machines running on this host are automatically migrated

to the odd host.

C. Require a virtual machine to run on a specific host.

D. When the virtual machine configuration does not meet business needs, the management system

automatically increases CPU resources for the virtual machine.

Answer: C

What's incorrect in NUMA's description is ().

A. Guest NUMA is to identify the Guest OS and its internal applications by presenting the NUMA structure to the virtual machine.

B. NUMA structure to achieve the purpose of improving application performance

NUMA technology makes CPU access similar to the speed of memory in Node and the speed of access to memory in other Nodes.

C. Host NUMA mainly provides a CPU load balancing mechanism to resolve VM performance bottlenecks

caused by imbalanced CPU resource allocation.

D. Host NUMA guarantees VM access to local physical memory, reduces memory access latency, and can

improve VM performance.

Answer: C

In FusionCompute, the QoS parameters that can be set for the virtual machine do not include:

A. GPU

B. Disk IOPS

C. Memory

D. Network

E. CPU

Answer: A

In computing virtualization, the operating system running in a virtual machine is called Host OS.

A. TRUE

B. FALSE

Answer: B

In Huawei Fusion Compute, the following incorrect description of memory reuse is.

A. The administrator can enable or disable the memory reuse function at any time.

B. After the memory reuse function is turned off, the internal sum of all virtual machines is less than or

equal to the total available physical memory.

C. Using memory reuse can degrade virtual machine performance.

D. Turning off memory reuse requires that the memory reuse rate of all hosts in the cluster is less than or equal to 100%.

Answer: C

RAID 6 on the basis of enhanced RAID 5 disk fault tolerance, can allow two disk failures, but not less than the

number of disks required 4.

A. TRUE

B. FALSE

Answer: A

The following description of KVM and Xen is correct (multi-select).

A. Xen virtual machines can be converted into KVM virtual machines.

B. Domain 0 and Domain U are concepts in KVM.

C. KVM and Xen are both open source hypervisors.

D. KVM and Xen can run in the same Host OS.

Answer: A, C

The following options are characteristic of the era of cloud computing 1.0 (multiple choices).

A. Agile application development and life cycle management.

B. Focus on virtualization products.

C. Standardization and automation of resource services.

D. Use virtualization technology to improve resource utilization.

Answer: B, D

In Huawei FusionCompute, users log in to a virtual machine using VNC and find that they cannot operate normally and are stuck (such as being unable to open files). The most likely cause of this failure is.

A. Virtual machine is corrupted

B. Service links are unstable

C. Management link is unstable

D. The storage link is unstable

Answer: C

What is included in the virtual NUMA (multiple choice).

A. Load balancing, considering the node correlation during the scheduling process, and the corresponding relationship between the node and the physical node, to ensure the VCPU access to local content to the greatest extent.

B. Place the site, check the NUMA topology of the virtual machine, and select the physical node mode VCPU and memory, so the relationship between VCPU and memory in nide has always been physical.

C. The topology is displayed.The NUMA is recognized in the temporal part of the virtual machine. The guestOS and the NUMA optimization function take effect.

D. Dynamic migration, when the affinity between the VCPU and the physical node changes, trigger the migration of its corresponding Vnode memory.

Answer: A, B, C, D

The KVM virtualization architecture includes KVM modules, QEMU and Libvirt. The following incorrect description of these modules is.

A. KVM module is mainly responsible for the creation of Vcpu and the allocation of virtual memory.

B. KVM + QEMU can constitute a set of virtualization solutions.

C. Libvirt + QEMU can constitute a set of virtualization solutions.

D. QEMU is mainly responsible for I / O operation simulation.

Answer: C

Cloud computing is the product of the development of parallel computing, grid computing, and distributed computing. The correct description of the relationship between the four is.

A. Grid computing is completely replaced by the emergence of distributed computing.

B. Cloud computing is a type of distributed computing

C. Parallel computing, network computing and distributed computing are all cloud computing.

D. Grid computing completely replaces parallel computing.

Answer: C

The following are computing virtualization (multiple choices).

A. CPU virtualization

B. Network virtualization

C. Memory virtualization

D, I / O virtualization

D. Disk virtualization

Answer: A, C, D

In Huawei FusionCompute, the following incorrect descriptions of security groups and rules are.

A. Security group rule changes need to be manually applied to virtual machines in the security group.

B. must create a security group before adding rules.

C. security group denies all by default before adding rules.

D. The premise of deleting a security group is that there are no virtual machines in the security group.

Answer: A

In Huawei FusionCompute, virtual machines using raw device mapping type data storage are not supported

(multiple selection).

A. Snapshot

B. CPU Hot Add

C. Storage thin provisioning

D. Storage live migration

Answer: A, C

The following incorrect description of Huawei FusionCompute architecture is.

A. CNA provides computing resources for virtual machines

B. VRM can run on CAN or can be deployed on a separate physical machine.

C. VRM provides a management portal for administrators.

D. CNA can manage cluster network, storage and computing resources // all of the cluster.

Answer: D

In Huawei FusionCompute, FusionStorage can be used as a virtualized storage.

A. TRUE

B. FALSE

Answer: B

In fusioncompute, the virtual switch is connected to the physical network via ().

A. INIC

B. Virtual network card

C. Port group

D. Uplink

Answer: D

The following scenarios that are not suitable for increasing the memory reuse ratio are.

A. Memory reuse in commercial scenarios has reached 150%.

B. Reduce customer hardware procurement costs.

C. While ensuring performance, customers require a single host to deploy the maximum number of virtual machines.

D. Virtual machine memory utilization is low.

Answer: A

In Huawei FusionCompute, the following description of the virtual machine HA is correct (multi-selection).

A. A Virtual machine HA function can quickly restore business when a failure occurs.

B. When system B detects the blue screen of the virtual machine and configures the processing strategy as HA,

the system will choose another normal computing node for reconstruction virtual machine.

C. After HA is enabled in the cluster, virtual machines can be rebuilt on other hosts after a host failure.

D. As long as resources are reserved in the D cluster, virtual machines with HA attributes can be rebuilt on other computing nodes when a fault occurs success.

Answer: A, B, C

When a virtual machine on a physical host fails, it will not affect other virtual machines on the physical host. Which characteristic of virtualization technology is this?

A. Isolation

B. Division

C. Independence

D. Packaging

Answer: A

To configure the IP SAN for the host, you usually need to configure the host on the storage device to enable the host to be mapped on the IP SAN Shoot.

A. ISCSI Target

B. ISCSI Server

C. ISCSI Client

D. ISCCSI Initiator

Answer: D

The weakest data redundancy of the following RAID levels is ().

A. RAID 1

B. RAID 6

C. RAID 0

D. RAID 5

Answer: C

The following description is incorrect

A. Each file system block corresponds to a discontinuous area on the physical disk.

B. The file is stored on the file system, and the file system is mapped to the file system block.

C. The file system block corresponds to the logical area of LVM.

D. The logical area is mapped to the physical area of the disk through LVM.

Answer: A

The following incorrect description of virtualization is (multi-select).

A. network virtualization refers to distributed virtual switches.

B. Storage virtualization refers to distributed storage.

C. In cloud computing, IaaS layer virtualization can be divided into computing virtualization, storage virtualization, and network virtualization.

D. Computing virtualization includes CPU virtualization, memory virtualization, and IO virtualization.

Answer: A, B

If VM A can ping VM B, which of the following can be inferred?

A. Virtual machine A and virtual machine B use the same network segment.

B. Both virtual machine A and virtual machine B are configured with the correct IP addresses.

C. Virtual machine A and virtual machine B use different network segments.

D. Virtual machine A and virtual machine B run on the same physical host.

Answer: B

Cloud computing is the product of the development of the Internet and computing technology, so cloud

computing must be inseparable from the network.

A. TRUE

B. FALSE

Answer: A

What is incorrect about the snapshot description is.

A. A virtual machine can create multiple snapshots. When you use a snapshot to restore a virtual machine, subsequent snapshots become invalid.

B. Snapshots can save both virtual machine settings and virtual machine disk data.

C. All virtual machines on a host can only create one memory snapshot at the same time

D. Snapshots can save the state of virtual machine memory.

Answer: A

In Huawei FusionCompute, when a host in the cluster fails, the virtual machine on that host will automatically

Automatic migration to other hosts in the cluster

A. TRUE

B. FALSE

Answer: B

In Huawei FusionCompute, the management VLAN ID used by VRM cannot be changed.

A. TRUE

B. FALSE

Answer: B

In Huawei FusionCompute, when the virtual machine is in the "running" or "stopped" state, users can To increase or decrease the number of vCPUs of the virtual machine.

A. TRUE

B. FALSE

Answer: B

Memory reuse technology is a prerequisite for QoS implementation of memory resources.

A. True

B. False

Answer: A

In Huawei FusionCompute, users can manage VMs in multiple ways:

A. Log in to the virtual machine directly for management.

B. Use the graphical interface for management after logging into CNA.

C. Use the graphical interface for management after logging in to VRM.

D. Use the command line to manage after logging in to CNA.

Answer: A, C, D

As FusionCompute, which one of the following options do not belong CPU resources QoS parameters?

A. CPU share of resources

B. CPU resource limits

C. CPU resource reservation

D. CPU resource reuse

Answer: D

Which of the following is not a feature of big data 4V.

A. Value

B. Varitey

C. Valid

D. Volume

Answer: C

What does not reflect the features of cloud computing on-demand self-service in the following options are.

A. The engineer purchased a cloud server from Huawei public cloud according to his needs.

B. The engineer upgraded the cloud server CPU he purchased from 2 to 4.

C. The engineer changed the operating system of the cloud server he purchased from Linux to Windows.

D. The engineer received a notification message from the server provider one week before the cloud server

expired.

Answer: D

The following incorrect description of the security group application scenario is

A. By setting security group rules, you can control permissions on folders in the virtual machine.

B. By setting a security group rule, you can only allow remote login of virtual machines to specific IP addresses.

C. By setting security group rules, you can protect virtual machines from being accessed.

D. By setting a security group rule, you can make the virtual machine inaccessible to the FTP server.

Answer: A

In Huawei FusionCompute, the resources of the cluster are composed of the host and its associated storage and

network resources.

A. True

B. False

Answer: A

Virtualization is divided into computing virtualization, storage virtualization and network virtualization,

corresponding to cloud computing cloud host, cloud storage, cloud network.

A. Yes

B. Wrong

Answer: A

Which of the following scenarios does virtualization apply to? [Multiple choice].

A. A company has a total of ten business systems, and the host resource utilization of these services is less than 20%.

B. A scientific research institution uses a customized operating system to ensure the confidentiality of scientific research results.

C. An enterprise needs a high-load, intensive computing environment.

D. The daily use of desk applications by employees in a unit is highly similar.

Answer: A, C, D

The process of creating a file system on a disk is often referred to as.

A. Packaging

B. Formatting

C.RAID

D. Partition

Answer: B

What is incorrect about the VIMS file system description below?

A. VIMS is compatible with FC SAN, IP SAN, local disk.

B. VIMS is the technical foundation for advanced features such as thin disks, snapshots, and storage migration.

C. VIMS is a high-performance cluster file system.

D. VIMS is a universal storage virtualization file system.

Answer: D

Which of the following virtual machine disk file formats does Huawei fusioncompute not support?

A. VMDK

B. VHD

C. RAW

D. QCOW2

Answer: A

The following description of the characteristics of cloud computing resource pooling is correct.

A. Cloud computing resource pooling is a prerequisite for achieving extensive network access.

B. Cloud computing resource pooling feature can put CPU and hard disk in the same resource pool.

C. Cloud computing resource pooling characteristics can shield the differences between similar resources.

D. Cloud computing resource pooling features must rely on virtualization technology to achieve.

Answer: C

Huawei FusionCompute supports adding hosts in batches. The administrator fills in host information

according to the template provided by the system and imports it at one time.

A. TRUE

B. FALSE

Answer: A

The following description about the characteristics of type I (bare metal) computing virtualization is correct

[multiple choices].

A. Applications can run directly on VMM.

B. Hypervisor runs directly on physical hardware.

C. Both applications and virtual machines can run directly on the Host OS.

D. Application cannot run directly on Host Machine.

Answer: B, D

The following description about KVM (Kernel-based Virtual Machine) is correct (multiple selection).

A. KVM is type II virtualization

B. KVM is a type I virtualization

C. KVM is a module in the Linux

kernel

D. KVM is an open source virtualization technology

Answer: A, C, D

When installing Huawei FusionCompute, which storage is recommended for VRM deployment?

A. NAS

B. FC SAN

C. IP SAN

D. Local Disk

Answer: D

In Huawei FusionCompute, if there is only one physical network port in the bound network port, the physical

network port cannot be removed directly.

A. True

B. False

Answer: A

The following Hypervisor description is incorrect.

A. In virtualization, Hypervisor and VMM are a concept.

B. In virtualization, Hypervisor can run directly on Host Machine.

C. In virtualization, Hypervisor can monitor the status of the guest machine.

D. In virtualization, only Hypervisor has direct access to physical resources.

Answer: D

Common disk arrays include (multi-select).

A. MAID (massive arrays of Idle disks).

B. RAID.

C. JBOD (Just a bunch of Idle disks).

D. SBOD (Switch of bunches Idle disks).

Answer: B, C

When using a template to quickly deploy a virtual machine, the generated virtual machine configuration information is consistent with the template.

A. TRUE

B. FALSE

Answer: A

NUMA is a memory architecture designed for multiprocessor computers. Memory access time depends on

Processor location, under NUMA, the processor accesses its own local memory faster than non-local memory

(the memory is located in Another processor, or shared memory between processors) is faster.

A. TRUE

B. FALSE

Answer: A

Memory reuse is a resource allocation scheme that increases the density of virtual machines on a single host,

reduces costs, and sacrifice performance for density.

A. TRUE

B. FALSE

Answer: B

In a Linux virtual machine. The one who can manage the logical volume is.

A. OVM

B. LVM

C. PVM

D. DVM

Answer: B

Data packets in the cloud computing virtual network need to be routed and forwarded by routers in the physical network. / TOR switch.

A.TRUE

B. FALSE

Answer: B

Virtualization description is correct.

A. VMM runs in Guest Machine

B. VMM runs directly on Host Machine

C. VMM runs on Guest OS

D. VMM runs on Host OS

Answer: D

In FusionCompute, when adding multiple hosts to shared storage, the following operations are correct (choose) the

A. Select all hosts when associating storage devices.

B. Check the corresponding host when adding data storage.

C. When the shared memory type is IP SAN, and storage to ensure storage network interface to a host service in communication.

D. Select all hosts when initializing storage resources.

Answer: B, C, D

If an enterprise uses a hybrid cloud, the devices that cannot be used as the demarcation point between public and private clouds are.

A. Core switch

B. Firewall

C. Virtual switch

D. Flow cleaning equipment

Answer: B, C, D

In cloud computing, different types of hardware of the same type can form a resource pool.

A.TRUE

B. FALSE

Answer: A

Open source virtualization technologies are all type I virtualization, and closed source virtualization technologies are all type II virtualization.

A. TRUE

B. FALSE

Answer: B

For FusionCompute, the following incorrect description of storage-related concepts is.

A. A physical storage device can be used as a storage resource

B. Logical unit in the physical storage corresponding to the storage device, such as a LUN

C. Data storage can be IP SAN, FC SAN, NAS, etc. //

D. VHD is the virtual machine disk file format

Answer: C

The following are the main driving forces for the emergence and development of virtualization technologies:

A. The emergence of the Internet

B. Reduce the failure rate of hardware resources

C. make full use of hardware resources

D. Improve the recognition of hardware resources

Answer: C

In Huawei FusionCompute, when multiple virtual machines are writing to the same shared disk at the same time, in order to prevent data loss, it is necessary to ensure the application software's access control to the disk.

A. TRUE

B. FALSE

Answer: A

The following description about making templates in FusionCompute is incorrect .

A. "Virtual machine to template" is to directly convert a virtual machine into a template, all parameters use the current configuration of the virtual machine. The virtual machine will no longer exist after conversion.

B. When using a virtual machine to make a template, the status of the virtual machine can be "running".

C. "Clone a template as a template" is to copy the template as a new template and support adjustment of

some parameter configurations, which can be slightly different from the original template

The difference is that the template still exists after cloning is complete

D. "Clone a virtual machine as a template" is to copy the virtual machine as a template and support

adjustment of some parameter configurations, which can be compared with the original virtual machine.

The virtual machine is slightly different. The virt

Answer: B

With the development of AI technology, almost every technology now involves artificial intelligence. Which

of the following is now AI?

Application area? [multiple choices].

A. Appease the robot

B. Voice recognition

C. Image Identification

D. NLP (Neuro-Linguistic Programming)

Answer: A, B, C, D

The following description about the differences between physical switches and virtual switches is incorrect (B).

A. Virtual switch runs on a physical server, and the physical switch has separate hardware.

B. The virtual switch cannot operate on the VLAN tag, and the physical switch can operate on the VLAN tag.

C. A virtual switch cannot be configured with a Layer 3 interface, and a physical switch can be configured with

a Layer 3 interface.

D. Virtual switches also require certain hardware resources for their normal operation.

Answer: B

Common external storage solutions are.

A. DAS

B. NAS

C. NFS

D. SAN

Answer: B, C

In Huawei FusionCompute, in addition to configuring static routes, DVS also supports multiple dynamic routes.

A. TRUE

B. FALSE

Answer: B

The necessary conditions for a virtual machine to communicate with other virtual machines are (multiple choice).

A. Configure a fixed IP address for the virtual machine

B. Configure the correct IP address for the virtual machine

C. Configure the correct MAC address for the virtual machine

D. Configure the gateway address for the virtual machine

Answer: B, C