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WorksheetsCloud Computer v4.0-P2
Total questions: 50
Worksheet time: 28mins
In Huawei FusionCompute, VMs using non-virtualized storage do not support the snapshot function.
True
False
In Huawei FusionCompute, system disks of VMs cannot be detached.
True
False
The virtualization technology can virtualize a physical server into multiple VMs, improving the hardware performance of the physical server
True
False
Which of the following is false about the figure?
Files are stored in the file system and mapped to the file system block by the file system.
The file system block corresponds to the logical extent of LVM.
The logical extent is mapped to the physical extent of the disk through LVM.
Each file system block corresponds to discontinuous extents on the physical disk
Which of the following is true about virtualized storage and nonvirtualized storage?
Virtualized storage is more secure than non-virtualized storage
The read and write performance of non-virtualized storage is better than that of virtualized storage.
The scalability of non- virtualized storage is better than that of virtualized storage.
The compatibility of virtualized storage is better than that of non-virtualized storage.
In a Linux VM, ( ) is used to manage logical volumes.
DVM
LVM
PVM
OVM
Which of the following is true about NFS?
No special software needs to be installed on the NFS client.
NFS is a stateful protocol.
NFS supports multi-user access.
The user permission cannot be set for NFS
The process of creating a file system on a disk is usually called ( ).
RAID
Partition
Formatting
Encapsulation
In Huawei FusionCompute, Tools installed for VMs are irrelevant to the operating system types and versions of the VMs.
True
False
In Huawei FusionCompute, which of the following is false about the host storage ports?
You can manually add storage ports or add storage ports in batches.
Multiple storage ports can be added to implement multi-path transmission.
Local disks and FC SAN devices can be interconnected with storage devices without adding storage ports.
The IP addresses of the storage ports can be on the same network segment as that of the management plane.
In Huawei FusionCompute, the correct procedure for deleting storage resources is ( ).
1. Delete or migrate the VM disk.
2. Disassociate the host.
3. Delete the storage resources.
4. Destruct the datastore.
1->2->3->4
1->4->2->3
2->4->1->3
3->2->4->1
In Huawei FusionCompute, the default alarm levels do not include ( ).
Critical
Moderate
Major
Minor
Warning
Disk partitions are divided by the operating system on physical disks.
True
False
In Huawei FusionCompute, the management VLAN ID used by VRM cannot be changed
True
False
Which of the following is false about the VIMS file system?
VIMS is a high-performance cluster file system.
VIMS is the technical basis of advanced features such as thin provisioning disk, snapshot, and storage migration.
VIMS is compatible with FC SAN, IP SAN, and local disks.
VIMS is a universal storage virtualization file system in the industry
FusionCompute, which of the following deployment modes is recommended to improve VRM reliability?
Single-node deployment
Active/Standby deployment
Active-active deploymen
Hybrid deployment
In Huawei FusionCompute, which of the following are true about the relationship about quantities of VMs and DVSs?
If a VM has multiple NICs, each NIC can be associated with a DVS.
If a VM has multiple NICs, multiple NICs can be associated with the associated with same DVS.
If a VM has one NIC, the NIC can be associated with only one DVS.
If a VM has one NIC, the NIC can be associated with multiple DVSs.
The prerequisites for communication between a VM and other VMs are ( ).
Configure a fixed IP address for the VM.
Configure the gateway address for the VM.
Configure a correct IP address for the VM.
Configure a correct MAC address for the VM.
In Huawei FusionCompute, the VLAN ID (except 0) configured for a distributed virtual switch (DVS) must exist on the physical switch. Otherwise, VM communications will be abnormal.
True
False
In Huawei FusionCompute, a DVS can be configured with static routes and multiple types of dynamic routes.
True
False
In Huawei FusionCompute, a management IP address must be configured for each DVS to facilitate unified management of DVSs.
True
False
In Huawei FusionCompute, the IP address of a Windows VM is 0.0.0.0. The possible cause is ( ).
The IP address of the VM is allocated using DHCP.
The IP address of the VM is manually set.
Tools is installed on the VM.
The IP address of the VM is manually set to 0.0.0.0.
Which of the following traffic types belong to southbound and northbound traffic?
Traffic generated by mutual access between VMs in a data center.
Traffic generated when customers access services in a data center through the Internet
Traffic generated during VM live migration.
Traffic generated by mutual access between VMs across data centers
Which of the following statements about VLAN functions is false?
Isolates broadcast domains.
Enhances network security.
Increases the interface bandwidth of physical switches.
Improves network robustness.
Which of the following remote management methods are supported by physical switches?
Telnet.
SSL.
SSH
Web.
Data packets in a cloud computing virtual network must be routed and forwarded by routers in a physical network.
True
False
In practice, which of the following functions is supported by VLANs?
If VMs in two departments use different VLANs, the VMs cannot communicate with each other.
VMs in different VLANs can use the same IP address. No IP address conflict occurs
VMs in the same VLAN can use IP addresses in different IP address segments and can discover each other through broadcast.
VMs in the same VLAN must use IP addresses in the same IP address segment. Otherwise, communications between the VMs will fail.
If VM A and VM B run on different physical servers, which of the following physical devices is used during communications?
Virtual switch
Virtual NIC
Physical NIC
Physical switch
A VM can have multiple virtual NICs, which correspond to different virtual switches
True
False
The port configuration of a Huawei switch is as follows: interface XGigabitEthemet0/0/4 port link-type trunk port trunk allow-pass vlan 16 17 Which of the following statements is true based on the preceding configuration?
Data frames with the VLAN 16 tag will be untagged and forwarded when passing through this port.
Data frames with the VLAN 17 tag will be forwarded with the tag retained when passing through this port.
Data frames without any tags will be discarded when passing through this port.
Data frames without any tags will be tagged with VLAN 16 or VLAN 17 when passing through this port and then forwarded.
Which of the following technologies can increase the link rate on a switch?
VLAN
VxLAN
LACP
LDAP
On a physical network, which of the following devices supports route forwarding requests?
Physical server NIC
Hub
layer 2 switch
Router
The port configuration of a Huawei switch is as follows: interface GigabitEthernet0/0/1 port link-type access port default vlan 16 Which of the following statements is true based on the preceding configuration?
This port does not perform any operation on the data frames that pass through it.
This port removes the VLAN 16 tag from the data frames and forwards the data frames.
This port adds the VLAN 16 tag to the data frames that pass through it.
This port allows only the data frames with the VLAN 16 tag to pass through.
In KVM, there are two methods for connecting VM NICs to a physical network: ( ).
Bridge connection and direct connection.
Bridge connection and address translation
Address translation and passthrough.
Passthrough and bridge connection.
If a VM needs to communicate with other VMs, which of the following operations is mandatory?
Add at least one NIC for the VM.
Connect the physical server where the VM is located to the Internet
Configure port binding on the physical server
Configure port binding on the physical switch.
If two VMs can ping each other, which of the following network devices will certainly be used during communications?
Distributed virtual switch (DVS)
Virtual NIC
Physical switch
Physical NIC
If VM A can ping VM B, which of the following inferences is true?
VM A and VM B run on the same physical host.
VM A and VM B use the same network segment
VM A and VM B are configured with correct IP addresses
VM A and VM B use different network segments.
Virtual switches are indispensable to successful communications between VMs
True
False
Which of the following technologies or devices cannot isolate broadcast domains?
VLAN
Hub
Router
Firewall.
Switches are classified as access switches, aggregation switches, and core switches. Virtual switches belong to aggregation switches.
True
False
Core services of an enterprise are deployed on multiple VMs in cluster mode. High availability (HA) policies can be configured for the VMs to improve service reliability.
True
False
VM live migration is a prerequisite for implementing VM HA.
True
False
In Huawei FusionCompute, which of the following statements about VM HA are true?
After the HA function is enabled in a cluster, if a host in the cluster becomes faulty, VMs on the host can be rebuilt on other hosts in the cluster.
When the system detects a BSOD on a VM and the handling policy configured for this error is HA, the system creates the VM on a normal compute node.
VM HA can quickly recover services if a fault occurs.
If a fault occurs, HA-enabled VMs can be successfully rebuilt on other compute nodes as long as there are reserved resources in the cluster
In practice, resources must be reserved for hosts in a cluster to ensure that VM HA can be performed properly
True
False
In Huawei FusionCompute, which of the following are trigger conditions for VM HA?
The host where the VM is located is faulty.
Applications on the VM break down.
A BSOD occurs on Windows VMs.
The datastore where the VM is located is faulty.
In Huawei FusionCompute, which of the following operations can be performed by the system if a Blue Screen of Death (BSOD) occurs on a Windows VM?
No processing is performed
Restarting the VM
Restoring the VM using a snapshot.
Performing VM HA
In Huawei FusionCompute, after the automatic computing resource scheduling function is enabled, which of the following are possible causes for VM migration?
The system automatically migrates VM according to the scheduling policy.
a A BSOD occurs on a Windows VM and the handling policy is HA.
The administrator manually migrates a VM.
Applications on a VM break down
In Huawei FusionCompute, the Data Replication Service (ORS) migrates VMs based on the following factors: ( )
CPU
Memory
I/O
Network traffic
In Huawei FusionCompute. Database Performance Monitor (DPM) depends on DRS.
True
False
In Huawei FusionCompute, common NICs can be bound in ( ) modes.
Active/Standby.
Load sharing based on round-robin
Load sharing based on source and destination MAC addresses.
Load sharing based on source and destination port groups
