【判断题】
在运行的生产装置区和具有火灾爆炸危险场所内一般不允许接临时电源。确属装置生产、检修施工需要时,需办理临时用电作业许可证。
A. 对
B. 错
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答案
B
解析
暂无解析
相关试题
【判断题】
安装、维修、拆除临时用电线路的作业,应由施工人员进行。
A. 对
B. 错
【判断题】
在开关上接引、拆除临时用电线路时,其上级开关应断电上锁。
A. 对
B. 错
【判断题】
潮湿区域、户外的临时用电设备及临时建筑内的电源插座应安装漏电保护器,在每次使用之前应利用试验按钮进行测试。
A. 对
B. 错
【判断题】
各类移动电源及外部自备电源,不得接入电网。
A. 对
B. 错
【判断题】
动力和照明线路可一路设置。
A. 对
B. 错
【判断题】
进行临时用电拆、接线路的工作人员必须按规定配戴个人防护装备。
A. 对
B. 错
【判断题】
有自备电源的施工和检修队伍,自备电源可接入公用电网。
A. 对
B. 错
【判断题】
安装临时用电线路的电气作业人员,应持有电工作业证。
A. 对
B. 错
【判断题】
临时用电线路及设备的绝缘应良好。
A. 对
B. 错
【判断题】
临时用电架空线应采用绝缘铜芯线。架空线最大弧垂与地面距离,在施工现场不低于2m,穿越机动车道不低于4m。
A. 对
B. 错
【判断题】
架空线应架设在专用电杆上,必要时可架设在树木和脚手架上。
A. 对
B. 错
【判断题】
对需埋地敷设的电缆线线路应设有“走向标志”和“安全标志”。电缆埋地深度不应小于0.7m,穿越公路时应加设防护套管。
A. 对
B. 错
【判断题】
作业人员应严格遵守临时用电规定,不得变更地点和工作内容,禁止任意增加用电负荷或私自向其他单位转供电。
A. 对
B. 错
【判断题】
在临时用电有效期内,如遇作业过程中停工、人员离开时,临时用电单位应从受电端向供电端逐次切断临时电源开关,待重新施工时,临时用电单位应对线路、设备进行检查确认后,方可送电。
A. 对
B. 错
【判断题】
工作负责人负责正确安全地组织作业活动。
A. 对
B. 错
【判断题】
工作负责人负责作业项目涉及的作业风险的识别。
A. 对
B. 错
【判断题】
工作负责人负责对作业人员和监护人员进行安全教育和培训。
A. 对
B. 错
【单选题】
FRR保护中,保护的对象主要有:___
A. 链路保护
B. 节点保护
C. 链路和节点都可以保护
D. 以上答案都不正确
【单选题】
MPLS OAM报文中,FFD的最小发送频率可以设置为___:
A. 3.33ms
B. 10ms
C. 20ms
D. 50ms
【单选题】
以太网OAM三种检测机制不包括以下哪种:___
A. CC
B. LT
C. LB
D. FFD
【单选题】
PTN单站调测时,会用到2M对线工具,PTN3900/1900的2M头是___接口类型的,PTN 912/910/950的2M头是(C)接口类型的。
A. Anea96,DB44;
B. Anea96,Anea96 ;
C. DB44,Anea96;
D. DB44,DB44
【单选题】
在网管上用以太OAM测试PTN的以太业务时,我们ping的是___。
A. 对端网元网络侧的IP地址;
B. 对端网元网络侧的MAC地址;
C. 对端网元用户侧的MAC地址;
D. 对端网元网络侧的IP地址;
【单选题】
CES业务分为结构化CES业务和非结构化CES业务,非结构化CES需要在网管上将CES类型设置为___,把端口的帧格式设成(B)。
A. cesopsn,CRC4-multiframe
B. satop,unframe
C. satop,CRC4-multiframe
D. cusps,unframe
【单选题】
在创建动态tunnel时,需要唯一指定tunnel的路径,那么我们需要选择下面哪个显示路径:___
A. 排除路径
B. 严格必经路径
C. 不需做任何设置
D. 松散必经路径
【单选题】
在PTN单板中,以下哪个单板上的接口只能用在用户侧___
A. CD1单板上的通道化STM-1口
B. AD1 上的ATM STM-1口
C. D12/D75上的E1口
D. POD41上的POS STM-1/STM-4D
【单选题】
PTN采用24位来标志网元ID,其中高8位是___,低16位是( );其中( )的作用是用来标识一个区域内的PTN网元。
A. 扩展ID,基础ID,基础ID
B. 基础ID,扩展ID,基础ID;
C. 基础ID,扩展ID,扩展ID;
D. 扩展ID,基础ID,扩展ID
【单选题】
STM-N的复用方式是___。
A. 字节间插
B. 比特间插
C. 帧间插
D. 统计复用
【单选题】
下列关于SDH设备逻辑功能块描述正确的是___。
A. SPI在信号接收方向,仅当无光信号输入时产生R-LOS告警(接收信号丢失)
B. HPC是实现高阶通道DXC和ADM的关键,其交叉连接功能仅指选择或改变VC4的路由,对数据透明传输
C. HPA在信号接收方向,检测J1和C2字节,若失配(应收的和所收的不一致)则产生HP-TIM、HP-SLM告警
D. PPI在信号接收方向将PDH线路码转换成便于设备处理的CMI码,提取支路定时信号
【单选题】
AU-PTR是由___功能块处理的?
A. SPI
B. MST
C. MSA
D. HPT
【单选题】
SDH信号在光纤上传输前需要经过扰码。下列字节中,不进行扰码的有___。
A. A1、A2
B. J1
C. B1
D. B2
【单选题】
第52时隙在VC4中的位置为第___个TUG3,第()个TUG2,第()个TU12。
A. 1,4,3
B. 3,4,1
C. 2,4,2
D. 2,3,3
【单选题】
缺省情况下,B2误码超过___门限,就有B2OVER告警产生。
A. 10-10
B. 10-8
C. 10-6
D. 10-3
【单选题】
相邻两个指针调整事件的间隔至少为___帧。
A. 无要求
B. 2帧
C. 5帧
D. 3帧
【单选题】
对于AU指针调整,每()个字节为一个调整单位,TU-12指针的调整单位是()个字节。___
A. 1,1
B. 3,3
C. 1,3
D. 3,1
【单选题】
关于复用段远端误码指示MS-REI说法正确的是___:①B2字节为传送通道②M1字节为传送通道③由信宿回传给信源 ④由信源传给信宿⑤指示宿收到复用段信号后检出的误码个数
A. ①④⑤
B. ②④⑤
C. ①③⑤
D. ②③⑤
【单选题】
若某SDH网元上报性能事件RS-BBE,与之对应的对端网元___。
A. 会上报RS-FEBBE回告信息
B. 会上报MS-FEBBE回告信息
C. 会上报RS-REI回告信息
D. 不会有任何关于RS-BBE的回告信息上报
【单选题】
在配置PTN的ATM业务,我们需要在ATM 策略中一般将固定语音配置___业务流
A. UBR
B. CBR
C. RT-VBR
D. NRT-VBR
【单选题】
PTN单站调测时,会用到2M对线工具,PTN3900/1900和PTN 912/910/950的2M头分别是___接口类型的
A. Anea96,DB44
B. Anea96,Anea96
C. DB44,Anea96
D. DB44,DB44
【单选题】
在PTN单板中,以下哪个单板上的接口只能用在用户侧___
A. CD1单板上的通道化STM-1口
B. AD1 上的ATM STM-1口
C. D12/D75上的E1口
D. POD41上的POS
【单选题】
PTN采用24位来标志网元ID,其中高8位是___,低16位是();其中()的作用是用来标识一个区域内的PTN网元
A. 扩展ID,基础ID,基础ID
B. 基础ID,扩展ID,基础ID
C. 基础ID,扩展ID,扩展ID
D. 扩展ID,基础ID,扩展ID
推荐试题
【单选题】
A vSphere administrator needs to backup a virtual machine that has a Microsoft SQL Server Database installed. Which solution allows for an application quiesce to occur during backup?___
A. VMware vCenter Converter
B. VMware vCenter Site Recovery Manager
C. VMware vSphere Replication
D. VMware vSphere Data Protection Advanced
【单选题】
An administrator is migrating a virtual machine from a Test cluster to a Production cluster. The two environments do not have any shared storage. What is the easiest way to accomplish this task? ___
A. Perform a Storage vMotion.
B. Perform a regular vMotion.
C. Perform a Virtual to Virtual migration.
D. Perform a backup and restore using VMware Data Protection.
【单选题】
An administrator must determine an appropriate backup solution, given these conditions: 50 of the virtual machines are in a resource pool named Finance. 50 of the virtual machines are in a resource pool named QA. Which solution allows an administrator the ability to backup 100 virtual machines? ___
A. Use Snapshot Manager on the vCenter Server to backup the virtual machines.
B. Use the VMware Consolidated Backup (vcb) tool on the ESXi Host to backup the virtual machines.
C. Use the VMware Data Recovery (VDR) Appliance on the vCenter Server to backup the virtual machines.
D. Use the VMware Data Protection (VDP) Appliance on one of the
E. SXi Hosts to backup the virtual machines.
【单选题】
What is a benefit of using Enhanced vMotion Compatibility for an environment? ___
A. EVC masks CPU features to allow compatibility between hosts that are dissimilar.
B. EVC allows for cross platform vMotion to occur.
C. EVC enables Long
D. istance vMotion.
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
A. 64
B. 96
C. 128
D. 256
【单选题】
An administrator needs to verify that vMotion operations can be performed in a vSphere data center.What round trip time (RTT) latency is the maximum value that will allow vMotion operations to succeed? ___
A. 50ms RTT
B. 100ms RTT
C. 150ms RTT
D. 200ms RTT
【单选题】
A storage administrator has reported that full utilization of all bandwidth from an ESXi 6.x host is not being seen. In troubleshooting the issue, the Adapter details are shown in the Exhibit. Based on the exhibit, what is cause of the issue? ___
A. The array is not setup to use the correct multipathing policy.
B. There are no virtual machines on the ESXi host.
C. Not all links are used because a path is disabled.
D. Another path needs to be configured.
【单选题】
An administrator is migrating a powered-on virtual machine, as shown in the exhibit. Which option should be selected to perform a Storage vMotion of the VM? ___
A. Change storage only
B. Change VM compute resource only
C. Change both compute resource and storage, changing the compute resource first.
D. Change both compute resource and storage, changing the storage resource first.
【单选题】
An administrator is attempting to enable Storage I/O Control on a datastore, but it is failing. What is the likely reason for this failure? ___
A. The host is connected to a datastore is running on ESX 4.0.
B. The host is connected to a Fibre Channel storage array.
C. The datastore has multiple extents.
D. The datastore is managed by a single vCenter Server.
【单选题】
A mission-critical virtual machine built on vSphere 4.1 needs to be moved to an ESXi 6.x host.Which virtual hardware version is needed to move the virtual machine without upgrading? ___
A. 6
B. 7
C. 10
D. 11
【单选题】
An administrator is analyzing a virtual machine as shown in the Exhibit. What is the current long term risk for this virtual machine? ___
A. The virtual machine may run out of memory before April 27.
B. The virtual machine may continue to function after April 27.
C. The virtual machine has adequate memory configured for operation for the next 120 days.
D. The virtual machine has adequate memory reservation configured for operation for the next 120 days.
【单选题】
An administrator is monitoring a High Availability (HA) and Distributed Resource Scheduler (DRS) enabled cluster and has noticed that virtual machines in the cluster are being migrated without user intervention. Why is this happening? ___
A. The DRS Automation level is set to Fully Automated.
B. The Automation level is set to Automatic.
C. The
D. PM Threshold is set to Aggressive.
【单选题】
An administrator attempts to migrate a suspended virtual machine to a newly deployed vSphere 6.x cluster. The compatibility check fails. What condition could cause this behavior?___
A. The new vSphere 6.x cluster is running Intel CPUs instead of AMD CPUs.
B. A suspended virtual machine cannot be migrated.
C. The hardware virtualization feature of the CPU is not enabled on the new hosts.
D. A vSphere Distributed Switch is required to migrate a suspended virtual machine.
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
A vSphere administrator has been using vSphere in evaluation mode and now wants to deploy an environment that provides the same features. Which edition of vSphere provides similar functionality to evaluation mode? ___
A. Enterprise Plus
B. Enterprise
C. Standard
D. Essentials
【单选题】
An administrator has just configured the IP address on an ESXi host from the Direct Console User Interface. How can the configuration be validated as correct without any additional tools?___
A. Add the host to vCenter Server and if it works, then all networking settings are ok.
B. Select the Test Management Network option from the DCUI.
C. Connect to the host with the vSphere Client and click the Test Network option.
D. Use PowerCLI to connect to the host and initiate a network test.
【单选题】
An administrator is installing vCenter Server for an environment that has 40 ESXi 6.x Hosts and 150 virtual machines. Which database would meet the minimal requirements needed for this task? ___
A. vFabric Postgres
B. Microsoft SQL Express 2008
C. Microsoft SQL Server 2014
D. Oracle 11g
【单选题】
What is a requirement when enabling a Virtual SAN cluster in an existing High Availability (HA) and Distributed Resource Scheduler (DRS) Cluster? ___
A. Disable DRS and HA before enabling Virtual SAN
B. Enable DRS before enabling Virtual SAN
C. Disable HA before enabling Virtual SAN
D. Enable Storage DRS before enabling Virtual SAN
【单选题】
The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert: The vSphere administrator needs to determine whether the RSA key fingerprint shown in the security alert is the fingerprint of the intended ESXi host. Which tool should the vSphere administrator use? ___
A. Direct Console User Interface
B. vSphere Client
C. vSphere Web Client
D. vSphere Management Assistant
【单选题】
An administrator needs to monitor traffic on vSwitches in a vSphere 6.x environment. Which option, if configured, would accomplish this task? ___
A. Forged Transmits
B. MAC Address Changes
C. Promiscuous Mode
D. Notify Switches
【单选题】
What is true regarding datastores on ESXi 6.x? ___
A. NFS 4.1 datastore does not support Fault Tolerance (FT)
B. VMFS3 and VMFS5 datastores can be newly created
C. NFS datastore can be concurrently mounted using NFS 4.1 on one host and NFS on another
D. NFS 3.0 datastore does not support Fault Tolerance (FT)
【单选题】
An administrator is cloning and configuring five new web server virtual machines. What would be the benefit of configuring resource shares for the new VMs? ___
A. To prioritize access to a resource during contention.
B. To guarantee access to a resource during contention.
C. To prioritize access to a resource before contention occurs.
D. To guarantee access to a resource before contention occurs.
【单选题】
An administrator logs into the vSphere Web Client and sees the warning shown in the Exhibit. During a change control window, the warning was addressed. What should be done to verify that the host is no longer showing the warning? ___
A. Run a Remediate host operation.
B. Recheck the compliance of the host.
C. Restart the host to get rid of the warning.
D. Install VMware tools to clear the warning.
【单选题】
A vApp named Sales has a Memory Limit of 32 GB and a CPU Limit of 12,000 MHz. There are three virtual machines within the vApp: <Sales-DB -- Has a memory reservation of 20 GB. > <Sales-DC -- Has a memory reservation of 8 GB. > <Sales-Web -- Has a memory reservation of 8 GB.> Which statement is correct? ___
A. All three virtual machines can power on, but will have memory contention.
B. All three virtual machines can power on without memory contention.
C. Only two of the three virtual machines can power on.
D. Only one of the virtual machines can power on.
【单选题】
You are editing the management network configuration of an ESXi 6.x Host from the vSphere Web Client. You mistakenly put the incorrect VLAN in place for the management network. What action do you need to take to correct this? ___
A. You need to manually edit the configuration on the host with command line utilities.
B. No action is required. By default ESXi rolls back configuration changes that disconnect the host.
C. The ESXi host system configuration will need to be restored to the factory configuration to fix the issue.
D. The change can be reverted in the vSphere Web Client by simply editing the switch again.
【单选题】
What is true about resource pools created on a Distributed Resource Scheduler (DRS) cluster?___
A. A root resource pool is created with the specified values.
B. A root resource pool is automatically created using the aggregate total of the ESXi host resources in the cluster.
C. A root resource pool is automatically created using the aggregate total of all resources in the datacenter.
D. A root resource pool is not needed when creating resource pools on a DRS cluster.
【单选题】
An administrator attempts to enable Enhanced vMotion Compatibility (EVC) on a cluster. The operation results in a compatibility error, as shown in the exhibit. What is the likely cause of this error? ___
A. The CPUs in the ESXi host are not AMD CPUs.
B. The CPUs in the ESXi host do not support hardware virtualization capabilities.
C. The XD/NX CPU features have not been enabled in the BIOS of the server.
D. There is no shared storage between the hosts in the cluster.
【单选题】
What condition would prevent an administrator from creating a new VMFS3 datastore on an ESXi 6.x host using the vSphere Web Client? ___
A. A VMFS3 datastore cannot be created on an ESXi 6.x host.
B. The VMFS3 kernel module is not loaded.
C. A VMFS3 datastore cannot be mounted on an ESXi 6.x host.
D. VMFS3 datastores are not compatible with virtual machines created on an
E. SXi 6.x host.
【单选题】
During a new vSphere Distributed Switch configuration, where does the Maximum Transmission Unit (MTU) value get modified? ___
A. Uplink Settings
B. Switch Settings
C. Portgroup Settings
D. NIC Teaming Settings
【单选题】
A small company wants to use VMware products for its production systems. The system administrator needs to recommend a solution that will deliver High Availability to the company's production applications. What is minimum vSphere offering that will support this requirement? ___
A. vSphere Essentials
B. vSphere Essentials Plus
C. vSphere Hypervisor
D. vSphere Standard
【单选题】
Which scenario shows a reason for VMware Tools failing to install? ___
A. Virtual machine has a CD-ROM configured.
B. Guest OS Antivirus is blocking the VMware Tools installation.
C. Guest OS has 64-bit ldd (list dynamic dependencies) utility installed.
D. Virtual machine is powered on.
【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
A. vmnic4 is not attached to a vSwitch.
B. vmnic2 is not connected to a physical switch.
C. E1000 is the incorrect NIC
D. river for this card.
【单选题】
What information is required as part of an interactive ESXi 6.x installation? ___
A. Keyboard layout
B. IP Address
C. Root password
D. DNS information
【单选题】
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch? ___
A. Route based on orginating virtual port ID
B. Route based on IP Hash
C. Route based on source mac address
D. Route based on physical NIC load
【单选题】
An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that the environment would be better served with an external Platform Services Controller. What should the administrator do to meet this new requirement? ___
A. Deploy a fresh instance of vCenter Server with an external Platform Services Controller.
B. Perform a fresh install of an external Platform Services Controller.
C. Migrate the embedded Platform Services Controller to an external Platform Services Controller.
D. Upgrade the embedded Platform Services Controller to an external Platform Services Controller.
【单选题】
Why are some virtual machines orphaned after rebooting a High Availability (HA) enabled host? ___
A. The Orphaned virtual machines have HA restart disabled.
B. The Orphaned virtual machines moved recently and the change did not persist.
C. The host is attached to failed storage.
D. The host just came out of maintenance mode.
【单选题】
Which vSphere 6 Standard Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【多选题】
An application running in a virtual machine is experiencing performance issues. When utilizing performance monitoring utilities, it is noted that the CPU Utilization of the application is at 100%. Which two scenarios are probable causes of the CPU contention for the application? (Choose two.)___
A. There is a network I/O constraint.
B. There is a storage I/O constraint.
C. There is insufficient disk space assigned to the virtual machine.
D. The application is not virtualization aware.
【多选题】
A Fault Tolerance (FT) virtual machine with four vCPUs is experiencing high latency when performing ICMP and Application tests. What are three potential causes that may be attributing to this latency? (Choose three.)___
A. The FT network has insufficient bandwidth and is running on a 1GB Link.
B. The FT network is on a particularly high latency link.
C. The FT network has been configured with Network I/O Control.
D. The FT virtual machine is running an e1000 network adapter.
E. The
F. T virtual machine is running on poor performing network-based storage.