【判断题】
光缆线路维护以光配线架为界,光配线架端子(含端子)光缆侧由线路维护中心维护。
A. 对
B. 错
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答案
B
解析
暂无解析
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【判断题】
光缆以牵引方式敷设时,主要牵引力应加在光缆的外护层上,以防止光缆脱落。
A. 对
B. 错
【判断题】
光缆终端盒可不进行防水处理。
A. 对
B. 错
【判断题】
光纤的传输损耗不受温度的影响。
A. 对
B. 错
【判断题】
光纤的熔接头损耗与光纤的临时接头损耗大致相等。
A. 对
B. 错
【判断题】
光纤的弯曲半径越小越好。
A. 对
B. 错
【判断题】
光纤的温度特性是指随着温度的升高,光纤的损耗增大。
A. 对
B. 错
【判断题】
光纤和铜缆所承载的通信信号都是电磁波。
A. 对
B. 错
【判断题】
光纤接入传输设备侧光纤尾纤接收到对端设备的光功率越强,设备运行质量越好。
A. 对
B. 错
【判断题】
光纤熔接前,应针对不同的光纤,做放电试验,调整光纤熔接机的参数。
A. 对
B. 错
【判断题】
光纤损耗是决定光纤通信系统中继距离的主要原因之一。()
A. 对
B. 错
【判断题】
光纤折射率越大,光在光纤中的传播速度越快。()
A. 对
B. 错
【判断题】
机顶盒使用wifi连接时,显示“身份验证失败”或是“身份验证出现问题”的原因是wifi密码输入错误。
A. 对
B. 错
【判断题】
机动车经过没有交通信号灯的路口时首先应该鸣笛。
A. 对
B. 错
【判断题】
家客预约,需要根据自己的装机时间来进行预约。
A. 对
B. 错
【判断题】
家庭宽带使用的八芯超五类网线中仅1,2,3,6四芯用于传输网络信号。
A. 对
B. 错
【判断题】
家庭网关是设置在用户家庭中的终端,是连接通信网络与用户家庭网络的设备,实现通信网络与家庭网络的资源整合与业务融合。()
A. 对
B. 错
【判断题】
架空光缆时,光缆敷设的曲率半径应大于光缆外径的20倍。()
A. 对
B. 错
【判断题】
监测光缆金属护套对地绝缘和电位在光缆的接头处应选用监测标石。
A. 对
B. 错
【判断题】
检查试电笔是否良好的方法是在已知有电的地方直接测试
A. 对
B. 错
【判断题】
检修充气机气路开关时发现外壳有带电,必须关闭电源,杜绝带电作业。
A. 对
B. 错
【判断题】
角深的单位为度
A. 对
B. 错
【判断题】
进入局站的光缆金属构件必须接防雷地。
A. 对
B. 错
【判断题】
近电预警器进水后晾干可以继续使用。
A. 对
B. 错
【判断题】
经过无人路口时应执行一站、二看、三通过的原则。
A. 对
B. 错
【判断题】
局内标识牌材料为单面蓝底白字,塑料板压制。()
A. 对
B. 错
【判断题】
竣工测量,应在光纤通道带尾纤在光纤成端前进行,即连接插件状态下进行测量。
A. 对
B. 错
【判断题】
客户必须安装移动家庭宽带才能正常使用魔百和业务。
A. 对
B. 错
【判断题】
拉线中把的做法有另缠法,夹板法两种
A. 对
B. 错
【判断题】
两点间的电位差与参考点无关
A. 对
B. 错
【判断题】
某FTTH用户无法上网,可以判断其OLT数据配置有问题。()
A. 对
B. 错
【判断题】
骑电动车可以一只手握车把,另一只手做别的。
A. 对
B. 错
【判断题】
骑电动车时只要车速不快可以接打电话
A. 对
B. 错
【判断题】
清洗光纤上的油膏可以使用汽油等易挥发性的有机溶剂。
A. 对
B. 错
【判断题】
人工抬放光缆最怕光缆“背扣”即打小圈。
A. 对
B. 错
【判断题】
熔接质量好坏是通过熔接处外形良否计算得来的,推定的熔接损耗只能作为熔接质量好坏的参考值,而不能作为熔接点的正式损耗值。正式损耗值必须通过OTDR测试得出。
A. 对
B. 错
【判断题】
如果将OLT(光线路终端)到ONU(光网络单元)/ONT(光网络终端)的方向定义为下行方向,那么它的反方向将被称为上行方向。
A. 对
B. 错
【判断题】
如果有本地视频、音频及图片需要用机顶盒播放,则需要用U盘将所播放的文件拷贝下来,插入机顶盒的USB插孔进行播放。
A. 对
B. 错
【判断题】
如果语音网关吊死,FTTH用户就无法正常拨打电话和上网。
A. 对
B. 错
【判断题】
如需测试ONU的发光功率,可采用普通光功率计的1310nm波长进行测试。
A. 对
B. 错
【判断题】
如需测试ONU的发光功率,可采用普通光功率计的1310nm波长进行测试。()
A. 对
B. 错
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【判断题】
抗战胜利后,国民党统治集团的根本目标是使中国恢复到战前的状态,继续走资本主义发展道路。
A. 对
B. 错
【判断题】
抗战胜利初期,中国民主同盟主张“以民主的方式争取民主,以合法地行动争取合法的地位”,企图走第三条道路。
A. 对
B. 错
【判断题】
1946年1月政治协商会议决议虽不是新民主主义性质的,但在一个时期内,是否忠实履行它,是人民衡量政治是非的重要尺度。
A. 对
B. 错
【判断题】
从1946年到1949年,中国共产党领导中国人民解放军,经过战略防御、战略相持、战略反攻三个阶段,最后打败了国民党,取得了解放战争的胜利。
A. 对
B. 错
【判断题】
《中国土地法大纲》是中国共产党制定和颁布的第一个土地改革法令,为打败蒋介石、建立新中国的建立奠定了深厚的群众基础。
A. 对
B. 错
【判断题】
国统区第二条战线的形成,表明在不仅在军事战线上,而且在政治战线上,国民党都打了败仗。
A. 对
B. 错
【判断题】
抗战胜利后,一些民主党派领导人所主张的“中间路线”实质上就是资产阶级共和国方案,是旧民主主义的道路。
A. 对
B. 错
【判断题】
内战爆发后,客观形势决定了人民没有走中间路线的余地,原先主张走第三条道路的各党派都靠近了中国共产党,站到了新民主主义革命的立场上来。
A. 对
B. 错
【判断题】
1949年9月的召开的中国人民政治协商会议,是新中国的创建会议,《共同纲领》起着临时宪法的作用。
A. 对
B. 错
【判断题】
民主党派参加新政协并在新中国参政,标志着民主党派地位的根本变化,它们不再是在野党,成为了中国人民民主专政的参加者。
A. 对
B. 错
【判断题】
人民民主专政的新中国的创建,标志着近代以来中国面临的两大历史任务的基本完成。
A. 对
B. 错
【单选题】
A vSphere content library administrator is attempting to unpublish the content library, but the option is grayed out as shown in the Exhibit. Which statement identifies the reason for not being able to unpublish? ___
A. The content library is optimized for syncing over HTTP.
B. A synchronization operation is in progress with this content library.
C. There are active subscriptions on this content library.
D. Underlying storage for this content library is not accessible.
【单选题】
Assuming a mirrored (RAID-1) object configuration, how many hosts must contribute storage in a non-stretched VMware vSAN cluster to satisfy the “Number of failures to tolerate” policy option?“n” is the desired “Number of failures to tolerate” value for all options.___
A. 2n+2
B. 2n
C. 2n+1
D. 3n
【单选题】
An administrator must change the statistics level for short-term performance monitoring and wants to collect metrics for all counters, excluding minimum and maximum rollup values. What would be the statistics level?___
A. Level 3
B. Level 1
C. Level 2
D. Level 4
【单选题】
In a vSphere environment, two resource pools are created as shown in the Exhibit. Each VM is configured with 1 GB of memory. When the administrator tried to power on VM3, the operation failed. What action in the resource pool settings will allow VM3 to power on successfully?___
A. Deselect Expandable Memory Reservation
B. Increase Memory Reservation
C. Deselect Expandable CPU Reservation
D. Increase the CPU Reservation
【单选题】
Which network is used by vSphere HA when VMware vSAN is enabled?___
A. Management network
B. vSphere Replication network
C. vMotion network
D. VSAN network
【单选题】
Which statement is correct when migrating from a Windows vCenter Server to the vCenter Server Appliance 6.5?___
A. Migration deployments do not migrate local OS users from the source vCenter Server.
B. Migration deployments support DHCP on the source vCenter Server.
C. Migration deployments allow the source vCenter Server to remain powered on afterwards.
D. Migration deployments support custom ports for all services on the source vCenter Server.
【单选题】
How can failback of a recovered virtual machine in vSphere Replication be performed?___
A. No action required, because failback is automatically performed to the source site.
B. Configure a new replication in the reverse direction at the target site.
C. Disable or Stop the virtual machine replication on the source site.
D. Power off and unregister the virtual machine on the target site.
【单选题】
After upgrading the vSphere infrastructure and VMware Tools to version 6.5, the “Upgrade VM Compatibility” option is grayed out in the vSphere Web Client. (See Exhibit.) What must the administrator do to enable the VM compatibility upgrade?___
A. VMware Tools should be upgraded last.
B. Restart the ESXi server.
C. Uninstall VMware Tools.
D. Power off the virtual machine.
【单选题】
What availability mode does vCenter HA provide?___
A. Active-Passive
B. Active-Standby
C. Active-Active
D. Load-balanced
【单选题】
In which scenario will vSphere DRS balance resources when set to Fully Automated?___
A. Hosts with only shared storage
B. Hosts are part of a vSphere HA cluster
C. Power Management is set to Balanced on hosts
D. Hosts with shared or non-shared storage
【单选题】
What VMware technology can be used to move physical servers to the vSphere infrastructure?___
A. VMware vMotion
B. VMware Converter
C. VMware vCenter Server
D. OVF transport
【单选题】
Upgrading vCenter Server with Microsoft SQL database fails with the following error message: The DB User entered does not have the required permissions needed to install and configure vCenter Server with the selected DB. Please correct the following error(s): %sWhat could cause this error?___
A. incorrect ports open on SQL Server
B. incorrect database on the SQL server
C. incorrect compatibility mode on the SQL server
D. incorrect permission on SQL Server database
【单选题】
What is a potential downside of having more than four paths per datastore?___
A. limits the storage protocols
B. increases storage latency for VM
C. limits the path selection policies
D. limits the number of LUNs per host
【单选题】
Which feature facilitates the sharing of templates via vCenter Server?___
A. Content Library
B. OVF
C. folders
D. vApp
【单选题】
A vSphere Administrator is in the process of configuring replication for a virtual machine, but is not able to select the Recovery Point Objective (RPO) value of 5 minutes. Which statement could explain why the RPO value cannot be lower than 15 minutes?___
A. The OS quiescing option is selected for Replication options.
B. The virtual machine hardware version is not compatible.
C. The target and source sites use different types of datastores.
D. The target and source sites are not using VMFS 6.0 datastore.
【单选题】
What advanced parameter defines a custom isolation IP address for a vSphere HA cluster?___
A. das.usedefaultisolationaddress
B. das.isolationshutdowntimeout
C. fdm.isolationpolicydelaysec
D. das.isolationaddress
【单选题】
Which method is supported for backing up the virtual machine that contains vCenter Server?___
A. differential
B. incremental
C. full image
D. individual disks
【单选题】
A vSphere Administrator must ensure that a user is able to view and manage the system configuration in vSphere Web Client. In the vCenter Single Sign-On domain, which group should the user be a part of?___
A. SystemConfiguration.BashShellAdministrators
B. ComponentManager. Administrators
C. Administrators
D. SystemConfiguration.Administrators
【单选题】
What is the minimum number of hosts that must contribute capacity to a non-ROBO single site VMware vSAN cluster?___
A. 1
B. 64
C. 3
D. 2
【单选题】
Which guest operating system supports PVRDMA?___
A. Windows (32-Bit)
B. Linux (32-Bit)
C. Windows (64-Bit)
D. Linux (64-Bit)
【单选题】
What is the correct way to replace the certificate on an existing vCenter Server that is part of a vCenter HA configuration?___
A. Put the vCenter HA in Maintenance mode, replace the certificate, exit Maintenance mode.
B. Shut down Passive and Witness nodes and replace the certificate on the Active node.
C. Remove the Passive and Witness nodes, replace the certificate, reconfigure the cluster.
D. Replace the certificate while all nodes are participating in the cluster.
【单选题】
The vSphere Data Protection performance analysis results in the “Conditionally Passed” status. What can cause this condition?___
A. The results did not meet the minimum performance expectations.
B. The read, write, and seek tests were successful.
C. The read and write tests were successful but the seek test failed.
D. The read and write tests were successful but the seek test skipped.
【单选题】
A vSphere Administrator wants to reserve 0.5 Gbps for virtual machines on each uplink on a disturbed switch that has 10 uplinks. What is the quota that should be reserved for the network resource pool?___
A. 10 Gbps
B. 5 Gbps
C. 100 Gbps
D. 0.5 Gbps
【单选题】
A vSphere administrator manages a cluster which includes critical and non-critical virtual machines. The cluster requires different permissions for contractors and non-contractors. How can the administrator exclude the contractor group from some of the critical VMs?___
A. Apply permission for both contractors and non-contractors on the cluster level.
B. Apply permission for both contractors and non-contractors on the cluster level. Remove permission on the critical VMs for contractors.
C. Remove permission for contractors on the cluster level. Apply permission on the critical VMs for noncontractors.
D. Apply permission for both contractors and non-contractors on the VMs. Remove permission on the critical VMs for contractors.
【单选题】
In an ESXi 6.5 cluster only "NFS datastore has running or registered virtual machines" returns. A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure. Which statement is true if a fifth host is added?___
A. CPU and Memory capacity will be set to 50%.
B. CPU and Memory capacity will be set to 30%.
C. CPU and Memory capacity will be set to 25%.
D. CPU and Memory capacity will be set to 20%.
【单选题】
Which command can be run to troubleshoot connectivity problems with vmkernal network interfaces?___
A. esxcli network
B. vmkping
C. net-status
D. vicfg-vmknic
【单选题】
What counter should an administrator check to determine if a virtual machine is ballooning?___
A. swapinRate
B. vmmemctltarget
C. swapped
D. vmmemctl
【单选题】
By default, how often is the vCenter vpx user password automatically changed?___
A. 15 days
B. 60 days
C. 30 days
D. 45 days
【单选题】
Which metric in the Exhibit would identify high latency for a virtual machine operating system?___
A. QAVG/cmd
B. KAVG/cmd
C. DAVG/cmd
D. GAVG/cmd