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两孔轴线相交成 90°角,一个孔直径为φ20mm,另一个孔直径是φ30mm,应该先钻穿直径大的孔
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【单选题】
What happens to the status of users already logged into ESXi Shell when a vSphere administrator enables lockdown mode?___
A. Users remain logged in and can run commands, except to disable lockdown mode.
B. Users remain logged in and can run commands, including disabling lockdown mode.
C. Users are immediately logged out of ESXi Shell.
D. Users are logged out after a timeout specified by the vSphere administrator.
【单选题】
What is the effective vSphere licensing level during the 60 day evaluation period?___
A. vSphere Foundation Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?___
A. Edit: /var/lib/vmware/vsphere-client/webclient.properties, modify session.timeout=10
B. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
C. Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
D. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
【单选题】
An administrator enables High Availability (HA) on a Virtual SAN cluster.Which network is used for HA Network Heatbeat configuration?___
A. The Management network.
B. The vMotion network.
C. The Virtual SAN network.
D. The Provisioning Traffic network.
【单选题】
A user wants to monitor a business-critical virtual machine to ensure that it doesn't run out of resources. What metric could be monitored in vRealize Operations to address this concern?___
A. Time Remaining badge
B. Compliance badge
C. Reclaimable Waste badge
D. Density badge
【单选题】
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.How can this be accomplished in the shortest amount of time?___
A. Run the ESXi installer again and reinstall the host.
B. Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
C. From the
D. irect Console User Interface, select Reset System Configuration.
【单选题】
A vApp is running out of compute resources when overall activity is high within the resource pool. At other times, everything is fine.What should be done to resolve this issue?___
A. Increase the size of the resource pool Shares.
B. Set the vApp's CPU and Memory Reservation Type to Expandable.
C. Set the vApp's CPU and Memory Limit to Unlimited.
D. Create a new resource pool with the existing hardware configuration.
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
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人体的营养非必需氨基酸是
A. 苯丙氨酸
B. 甲硫氨酸
C. 谷氨酸
D. 色氨酸
E. 苏氨酸
【单选题】
人体的营养非必需氨基酸是___
A. 苯丙氨酸
B. 甲硫氨酸
C. 谷氨酸
D. 色氨酸
E. 苏氨酸
【单选题】
食物蛋白质的互补作用是指___
A. 糖与蛋白质混合食用,提高营养价值
B. 脂肪与蛋白质混合食用,提高营养价值
C. 几种蛋白质混合食用,提高营养价值
D. 糖、脂肪、蛋白质混合食用,提高营养价值
E. 用糖、脂肪代替蛋白质的营养作用
【单选题】
不出现于蛋白质中的氨基酸是___
A. 半胱氨酸
B. 胱氨酸
C. 瓜氨酸
D. 精氨酸
E. 赖氨酸
【单选题】
生物体内氨基酸脱氨的主要方式是___
A. 氧化脱氨
B. 还原脱氨
C. 直接脱氨
D. 转氨
E. 联合脱氨
【单选题】
与下列α氨基酸相应的α酮酸,何者是三羧酸循环的中间产物___
A. 丙氨酸
B. 鸟氨酸
C. 缬氨酸
D. 赖氨酸
E. 谷氨酸
【单选题】
肌肉中氨基酸脱氨的主要方式是___
A. 嘌呤核苷酸循环
B. 谷氨酸氧化脱氨作用
C. 转氨基作用
D. 鸟氨酸循环
E. 转氨基与谷氨酸氧化脱氨基的联合
【单选题】
哺乳类动物体内氨的主要去路是___
A. 渗入肠道
B. 在肝中合成尿素
C. 经肾泌氨随尿排出
D. 生成谷氨酰胺
E. 合成氨基酸
【单选题】
脑中氨的主要去路是___
A. 合成尿素
B. 合成谷氨酰胺
C. 合成嘌呤
D. 扩散入血
E. 合成必需氨基酸
【单选题】
仅在肝中合成的化合物是___
A. 尿素
B. 糖原
C. 血浆蛋白
D. 胆固醇
E. 脂肪酸
【单选题】
糖、脂肪酸与氨基酸三者代谢的交叉点是___
A. 磷酸烯醇式丙酮酸
B. 丙酮酸
C. 延胡索酸
D. 琥珀酸
E. 乙酰辅酶A
【单选题】
体内氨的储存及运输的主要形式之一是___
A. 谷氨酸
B. 酪氨酸
C. 谷氨酰胺
D. 谷胱甘肽
E. 天冬酰胺
【单选题】
由肌肉组织通过血液向肝进行转运的过程是___
A. 三羧酸循环
B. 鸟氨酸循环
C. 丙氨酸-葡萄糖循环
D. 甲硫氨酸循环
E. r谷氨酰基循环
【单选题】
合成尿素首步反应的产物是___
A. 鸟氨酸
B. 氨基甲酰磷酸
C. 瓜氨酸
D. 精氨酸
E. 天冬氨酸
【单选题】
鸟氨酸循环中,合成尿素的第二分子氨来源于___
A. 游离氨
B. 谷氨酰胺
C. 天冬氨酸
D. 天冬酰胺
E. 氨基甲酰磷酸
【单选题】
转氨酶的辅酶中含有的维生素是___
A. 维生素B1
B. 维生素B2
C. 维生素B12
D. 维生素B6
E. 维生素C
【单选题】
氨基酸脱羧酶的辅酶中含有的维生素是___
A. 维生素B1
B. 维生素B2
C. 维生素B12
D. 维生素B6
E. 维生素C
【单选题】
下列哪一种不属于一碳单位?___
A. CO2
B. -CH3
C. =CH2
D. =CH
E. -CHO