【单选题】
软件环回是一种比较彻底的环回，能精确定位故障的位置.( )___
A. 对
B. 错
C.
D.
E.
F.
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答案
B
解析
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相关试题
【单选题】
如果你的网络现在都是用HUB连接，现在冲突增多，网络带宽低。用___设备最合适解决这些问题(B)
A. 堆叠你的Hub；
B. B、用交换机代替现有的Hub；
C. C、用路由器代替现有的Hub；
D. D、用更快的Hub。
E.
F.
【单选题】
如果需要删除多余的、不需要的工作表( ) ___
A. 只能先选定一张工作表，然后加以删除
B. 可以先选定一张或多张连续的工作表、然后加以删除
C. 可以先选定若干张不连续的工作表、然后加以删除
D. 以上B选项和C选项都对
E.
F.
【单选题】
如果要将两计算机通过双绞线直接连接，正确的线序是（）___
A. 1--1、2--2、3--3、4--4、5--5、6--6、7--7、8--8
B. 1--2、2--1、3--6、4--4、5--5、6--3、7--7、8--8
C. 1--3、2--6、3--1、4--4、5--5、6--2、7--7、8--8
D. 1--8、2--7、3--6、4--5、5--4、6--3、7--2、8--1
E.
F.
【单选题】
如果一个工作簿中含有若干个工作表，则当保存时，( )___
A. 存为一个磁盘文件
B. 有多少个工作表就存为多少个磁盘文件
C. 工作表数目不超过三个就存为一个磁盘文件，否则存为多个磁盘文件
D. 由用户指定存为一个或若干个磁盘文件
E.
F.
【单选题】
如果一个网络中的计算机数量过多，可能产生广播风暴导致网络性能下降，一般情况下可以采用下面哪种网络设备用来隔绝广播？（ ） ___
A. 集线器
B. 交换机
C. 路由器
D. 网桥
E.
F.
【单选题】
如果一台主机的IP地址为192.168.0.10,子网掩码为2555.255.255.224,那么主机所在网络的网络号占IP地址的（ ）位.___
A. 24
B. 25
C. 27
D. 28
E.
F.
【单选题】
XA32盘常用故障检查命令$get bridge forwording说法正确的是（ ）___
A. 该命令在FSWB根目录
B. 登陆XA32盘密码是AN3300
C. 登陆XA32盘时槽位号需减2
D. 该命令可以查询VLAN、MAC地址转发信息
E.
F.
【单选题】
瑞斯康达的RC903-V35FE1 LOOP灯常亮代表什么___
A. 表示环回发生在对端（仅在E1成帧时有效）
B. 无环回
C. 表示环回发生在本
D. 以上都不对
E.
F.
【单选题】
如果有网络连通性问题，可以使用( )命令来检查到达的目标IP地址的路径并记录结果___
A. ping
B. B.route
C. C.arp
D. D.tracert
E.
F.
【单选题】
如果在维修中遇到新的问题需要如何处理?___
A. 要暂时回避服务对象，及时将新问题反馈给移动公司，争取当场解决
B. 及时将新问题反馈给移动公司
C. 告知服务对象，争取当场解决
D. 告知服务对象并反馈给移动公司
E.
F.
【单选题】
如何解决同一OLT下，同一vlan内，不同ONU下同网段业务互通问题。___
A. 使用standard类型vlan
B. 使用ARP代理功能
C. 使用super vlan做三层接口
D. 关闭二层隔离开关
E.
F.
【单选题】
入户完成后应进行ONU的发送及接收性能测试，以及端到端衰减测试，要求ONU发射光功率-1dBm～4dBm，最小接收光灵敏度为 dB。___
A. -20
B. -22
C. -24
D. -25
E.
F.
【单选题】
若进行网络调整、割接、线路整改、版本升级等会影响集团客户业务正常使用时，跨省专线需提前（ ）个工作日将割接方案通过EMIS协同办公，上报给省网管中心和省客响中心。___
A. 10；
B. B、7；
C. C、5；
D. D、4
E.
F.
【单选题】
ZXCTN 6100利用（ ）技术实现面向连接的业务承载，并采用针对电信承载网优化的MPLS（MultiprotocolLabel Switching）转发技术，配以完善的OAM（Operation,Administration and Maintenance）和保护倒换机制，利用分组传送网提供了电信级别的业务.___
A. PWE3
B. CES
C. IMA
D. E1
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F.
【单选题】
若客户投诉为部分号码异常，应首先查询异常号码HLR数据是否制作了正确的APN数据已经GPRS功能是否正常，GPRS设备使用（ ）产品的地市可通过Traffica查询异常号码的网络使用情况。___
A. 三星
B. 诺基亚
C. 思科
D. 华为
E.
F.
【单选题】
若某网元同时有大量下列的BBE事件出现，应先处理哪种性能事件（ ）___
A. MS-BBE
B. HP-BBE
C. LP-BBE
D. HP-FEBBE
E. RS-BBE
F.
【单选题】
若某站同时出现 B1、B2、B3 误码，则不可能的原因是（ ）___
A. 光接收机接收光功率大于光板接收过载点
B. 设备温度过高
C. 光板光接收机模块故障
D. 支路板故障
E.
F.
【单选题】
若现网在运行设备的软件升级工作需要总部网络部和其他省公司配合，省公司应向( )提交软件升级申请.___
A. 总部网络部
B. 集团公司
C. 配合省公司网络部
D. 设备厂家
E.
F.
【单选题】
三层交换优点：___
A. 基于硬件包转发、低时延、低花费
B. 基于软件包转发、低时延、高花费
C. 基于软件包转发、低时延、低花费
D. 基于硬件包转发、高时延、低花费
E.
F.
【单选题】
上门服务时，男士仪容，哪项正确___
A. 保持头发、身体和口腔气味清洁，多嚼口香糖
B. B.保持面部清洁，不得留胡须和鬓角
C. C.不染发（黑色除外），不光头，不留长发，以前不掩额、侧不盖耳、后触衣领
D. D.保持手部的清洁，指甲长度适中
E.
F.
【单选题】
上门服务时，男士站姿，哪项正确：___
A. 双眼平视前方，下颌微微内收，颈部下曲
B. B.双臂自然下垂，处于身体两侧，右手轻握左手的腕部，左手握拳，放在小腹前，或者置于身后
C. C.双脚并拢，双膝放于身体左侧。
D. D.双肩后扬，腹部紧收
E.
F.
【单选题】
上门服务形象规范，男士着装下面不对的一项是___
A. 西裤裤脚的长度以穿鞋后距地面1cm为宜；衬衫袖口的长度应超出西装袖口1cm为宜，袖口须扣上，衬衫下摆须掖在裤内。
B. 领带长度以及皮带扣上下缘之间为宜；领带夹夹在衬衫的第四和第五粒扣子之间。
C. 穿深色袜子，如黑色、深蓝、深灰色袜等；着黑色系带皮鞋，光亮无尘。
D. 穿着整洁干净休闲服装
E.
F.
【单选题】
设备上电前，测试-48V电源和工作地，PGND接线柱之间的电阻，在电源开关闭合的情况下，其电阻值应小于（ ）欧___
A. 1
B. 10
C. 100
D. 1000
E.
F.
【单选题】
什么方法可以使一个应用获得更多的带宽？( )___
A. 使用QoS机制一个应用程序在与其他应用竞争中获得更多的带宽
B. 载荷压缩
C. 包头压缩
D. 以上全部
E.
F.
【单选题】
什么是通信网络安全（ ）___
A. 信息加密、加密算法等内容
B. 信息在使用通信网络提供的服务进行传递的过程中通信网络自身（即承载和业务网）的可靠性、生存性
C. 业务数据在采集、传递、存储和应用等过程中的完整性、机密性、可用性、可控性和不可否认性
D. 操作系统的安全
E.
F.
推荐试题
【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.
【多选题】
A virtual machine is experiencing performance issues. The following performance metrics are observed: <CPU usage value for the virtual machine is above 90%> < CPU ready value for the virtual machine is above 20%> Which two activities will likely resolve the performance issues? (Choose two.)___
A. Set a CPU reservation for the virtual machine.
B. Increase the CPU limit on the virtual machine.
C. Decrease CPU shares equally for all virtual machines on the host.
D. Increase CPU shares equally for all virtual machines on the host.
【多选题】
An administrator is upgrading a vSphere Distributed Switch. The existing switch is version 6.0 and the administrator wants to upgrade to the latest version possible. The environment contains several ESXi 6.1 hosts. Which two options are available to ensure that the upgraded switch will be compatible with these hosts? (Choose two.)___
A. Upgrade the vSphere Distributed Switch to 6.0
B. Upgrade the ESXi 5.5 hosts to version 6.0, then upgrade the vSphere Distributed Switch to 5.5
C. Upgrade the vSphere Distributed Switch to 5.1
D. Upgrade the
E. SXi host switches to 5.5, then upgrade the vSphere Distributed Switch to 5.5
【多选题】
An administrator attempts to create a Thick Provisioned Virtual Disk (VMDK) on an NFS datastore; but it fails. Which two reasons would explain the failure? (Choose two.)___
A. Datastore is on an NFS 3 storage server that does not support Hardware Acceleration
B. Datastore is on an NFS 4.1 storage server
C. Only VMFS datastores support "Thick Provisioned" VMDK
D. The NFS datastore was not created on a "Thick Provisioned" device
【多选题】
Which two NFS Protocol versions does vSphere 6 support? (Choose two.)___
A. Version 3
B. Version 3.1
C. Version 4
D. Version 4.1
【多选题】
Which three operations occur during a cold migration of a virtual machine? (Choose three.)___
A. The virtual machine disks are moved if the datastore is being changed.
B. The virtual machine is registered with the destination server.
C. The source virtual machine is removed from the old hosts.
D. The virtual machine hardware is upgraded.
E. The virtual machine files are quiesced prior to the migration.
【多选题】
A 4 GB Memory virtual machine is experiencing extended memory issues, as shown in the Exhibit. What potential issues could be attributed to this memory pressure?___
A. A limit is imposed on the virtual memory of this virtual machine.
B. The Balloon driver has been uninstalled.
C. A limit has been imposed on the Virtual CPU of the virtual machine.
D. Storage IO control has been enabled for the virtual machine causing the swapped memory.
【多选题】
You are creating a virtual machine in the Web Client using the New Virtual Machine wizard. Which two steps are required? (Choose two.)___
A. Select a valid name.
B. Select a cluster for the compute resource.
C. Select a network adapter.
D. Select the virtual machine compatibility.
【多选题】
An administrator has been given requirements to configure vMotion for a new virtual machine. The configuration should: <Provide Network Redundancy Use VLAN 550> <Be secured against anyone trying to spoof communication The vSwitch1 configuration is shown in the Exhibit.> Which three changes should be made to meet the stated requirements? (Choose three.)___
A. The VLAN ID must be set appropriately.
B. The default values for MAC Address Changes and Forged Transmits must be altered.
C. The teaming and failover adapters must be set appropriately.
D. The Traffic Shaping configuration must be altered.
E. The Load Balancing Policy must be set appropriately.
【多选题】
Which three traffic types are available services options when configuring a vmkernel port? (Choose three.)___
A. Provisioning Traffic
B. Virtual Volumes Traffic
C. vSphere Replication NFC Traffic
D. Virtual SAN Traffic
E. FCoE Traffic
【多选题】
An administrator logs into the vSphere Web Client, but is unable to see any hosts and clusters. Which two options could fix the problem? (Choose two.)___
A. Verify that the client web browser and vCenter Server are in the same broadcast domain.
B. Verify that the vCenter Server system is registered with the same Platform Services Controller as the vSphere Web Client.
C. Log in to the vCenter Server as a user within the Active
D. irectory domain.
【多选题】
Which three VLAN Tagging modes are available in vSphere 6.x? (Choose three.)___
A. External Switch Tagging
B. Private VLAN Tagging
C. Virtual Switch Tagging
D. VXLAN Tagging
E. Virtual Guest Tagging
【多选题】
Which two statements are true about VMFS5 datastores on ESXi 6.x? (Choose two.)___
A. Virtual Disk (VMDK) size can be larger than 2TB.
B. Datastore extent size can be larger than 2TB.
C. Only Physical Mode Raw
D. evice Map (Passthrough-RDM) can be larger than 2TB.
【多选题】
Which two statements are correct when turning off a Distributed Resource Scheduler (DRS) Cluster? (Choose two.)___
A. The resource pool hierarchy of the DRS cluster is maintained.
B. The resource pool hierarchy of the DRS cluster is removed.
C. The affinity settings of the
D. RS cluster are removed and not maintained when DRS is re-enabled.
【多选题】
An administrator is creating a new Virtual SAN cluster on a Layer 2 network. There is an existing Virtual SAN cluster on the same Layer 2 network. Which two actions would allow the new Virtual SAN cluster to coexist with the older cluster? (Choose two.)___
A. Change the default Multicast Address on the new Virtual SAN cluster.
B. Change the default Unicast Address on the new Virtual SAN Cluster.
C. Create a separate VLAN for each cluster.
D. Create an ARP Alias for the Virtual SAN VMkernel Network Adapter.
【多选题】
A vCenter Operations Manager 5.7 environment is upgraded to vRealize Operations. After the upgrade, the analytics services fail to start. Which three steps must be taken to resolve the problem? (Choose three.)___
A. Take the vRealize Operations cluster offline.
B. Delete the activity persistence files.
C. Bring the cluster back online.
D. Remove any unresponsive nodes.
E. Stop the CaSA service.
【多选题】
An organization has an ESXi 6.x host that contains two resource pools. The host is being relocated to a DRS cluster. What two actions can be taken to integrate the host into the cluster, and what would happen to the existing ESXi resource pool hierarchy as a result? (Choose two.)___
A. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be deleted.
B. Create a resource pool for the ESXi host's virtual machines and resource pools. The resource pools present on the host will be deleted.
C. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be preserved.
D. Create a resource pool for the
E. SXi host's virtual machines and resource pools. The resource pools present on the host will be preserved.
【多选题】
Which two parameters are required when adding an iSCSI target to an iSCSI Software Adapter using Dynamic Discovery? (Choose two.)___
A. The iSCSI device's IP Address or Fully Qualified Domain Name
B. The Port Number
C. The iSCSI device's iSCSI Qualified Name (IQN)
D. The Default Gateway IP Address
【多选题】
Which two SMTP Notification Event Details are specific to alarms triggered by events? (Choose two.)___
A. User Name
B. Summary
C. Old Status
D. Target
【多选题】
Which two High Availability ___ Cluster admission control policies can help avoid resource fragmentation? (Choose two.)(AC)
A. Define failover capacity by static number of hosts
B. Define failover capacity by reserving a percentage of the cluster resources
C. Use dedicated failover hosts
D. Use Virtual Machine Monitoring
【多选题】
An attempt to enable vSphere Fault Tolerance for a powered-on virtual machine fails. Which two scenarios would result in this failure? (Choose two.)___
A. The virtual machine has three vCPUs configured.
B. The host on which the virtual machine is running has insufficient memory resources.
C. The virtual machine has insufficient resources to accommodate full reservation plus the overhead memory.
D. VMware High Availability is enabled on the cluster of which this host is a member.
【多选题】
A vApp template recently added to a Content Library is not displayed. Which two actions could correct this problem? (Choose two.)___
A. Manually synchronize the library
B. Select the Download all library content immediately option
C. Select the Sync subscribed library option
D. Manually download the vApp template
【多选题】
What are three valid disk configurations for the vSphere Data Protection 6.x Appliance? (Choose three.)___
A. 500GB
B. 1TB
C. 1.5TB
D. 2TB
E. 4TB
【多选题】
Which three connection types are available when configuring a vSwitch in the vSphere Web Client? (Choose three.)___
A. VMkernel Network Adapter
B. Physical Network Adapter
C. Virtual Machine Port Group for a Standard Switch
D. vMotion Network Adapter
E. vSAN Network Adapter
【多选题】
Which three features can be enabled for a new host cluster? (Choose three.)___
A. Storage Distributed Resource Scheduling
B. High Availability
C. Fault Tolerance
D. Distributed Resource Scheduling
E. Virtual SAN
【多选题】
An administrator receives a report that no real time statistics are available for a virtual machine in the vCenter Server inventory. Which two statements indicate likely causes of the problem? (Choose two.)___
A. The virtual machine is powered off.
B. The host containing the virtual machine is disconnected from vCenter Server.
C. There is insufficient real time data to display the information.
D. The vCenter Server service is not running.
【多选题】
Your manager has given you a bash script that retrieves data for ESXi 6.x host configurations. This data needs to be collected right after the installation of a host and must be run directly on the host. Which two actions can be used to run this script on an ESXi host? (Choose two.)___
A. Connect to the host with Ruby vSphere Console and run the script from there.
B. Enable SSH access from the Direct Console User Interface.
C. Enable the ESXi Shell from the
D. irect Console User Interface.
【多选题】
Which two are true about the Risk badge in vRealize Operations? (Choose two.)___
A. The Risk badge indicates potential future problems that may degrade the performance of the system.
B. Risks may require attention in the near future.
C. The Risk badge indicates problems that are degrading performance of the system.
D. Risks require attention now to correct system performance problems.
【多选题】
vSphere Update Manager allows which two virtual machine attributes to be upgraded? (Choose two.)___
A. Virtual machine firewall policies for NSX.
B. Software Packages in the virtual machine.
C. Virtual machine Hardware Version.
D. VMware Tools Upgrade.
【多选题】
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)___
A. NFS 4.1 supports Kerberos Authentication
B. NFS 4.1 supports multipathing
C. NFS 4.1 supports IPv6
D. NFS 4.1 supports hardware acceleration
【多选题】
Which three statements are true regarding Fault Tolerance? (Choose three.)___
A. Applications need to be continuously available to users.
B. Applications without native clustering capabilities can be protected.
C. Custom clustering solutions are complicated to configure and maintain.
D. Applications that have 16 vCPUs are supported.
E. Prevents application crashes by analyzing the workload and correcting problems.
【多选题】
Which two statements are true regarding VMware vSphere Flash Read Cache (vFRC)? (Choose two.)___
A. Cache fills and cache evictions happen in the granularity of a cache block size.
B. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying storage.
C. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying cache data.
D. Cache fills and cache evictions happen in the granularity of the disk block size.
【多选题】
What are two possible causes of Storage Distributed Resource Scheduler (SDRS) being disabled on one or more virtual machine disks in a datastore cluster? (Choose two.)___
A. The virtual machine has vSphere Fault Tolerance disabled.
B. The virtual machine is a template.
C. The virtual machine swap file is on a shared datastore.
D. The disk is a CD-ROM/ISO file.
【多选题】
An administrator attempts to install vCenter Single Sign-On Server. The installer returns an error message indicating that the installation failed. Prior to the installation, all setup prerequisites were met. The administrator has generated a vCenter Server Single Sign-On support bundle. Which two files should the administrator analyze to determine the cause of the failure? (Choose two.)___
A. Server\utils\logs\imsTrace.log
B. Server\utils\logs\install.txt
C. %TEMP%\utils\logs\vminst.log
D. %TEMP%\vminst.log
【多选题】
An administrator is unable to remove an ESXi 6.x host from a vSphere Distributed Switch. What are two likely reasons for this issue? (Choose two.)___
A. Vmkernel interfaces on the switch are still in use.
B. VM Network port group adapters are connected to different switch.
C. Physical NICs are migrated to different switch.
D. VM Network adapters are connected to this switch.
【多选题】
Which two Identity Sources are available to add for vCenter Single Sign-On authentication? (Choose two.)___
A. LocalOS
B. OpenLDAP
C. NIS as an LDAP Server
D. VCMSDS
【多选题】
What are three goals of resource management within a cluster? (Choose three.)___
A. To prevent virtual machines from monopolizing resources and to guarantee predictable service rates.
B. To exploit undercommitted resources and overcommit with graceful degradation.
C. To provide solutions to potential problems that you might encounter when using vCenter Server.
D. To control the relative importance of virtual machines and provide flexible dynamic partitioning.
E. To provide additional network administration capabilities.
【多选题】
Which three actions can be taken as a result of executing the vSphere Update Manager 6.x scan and remediation wizards? (Choose three.)___
A. Install and upgrade software in virtual machines.
B. Upgrade the firmware on ESXi host devices.
C. Upgrade and Patch ESXi hosts.
D. Install and update third-party software on hosts.
E. Upgrade virtual machine hardware.
【多选题】
Which two statements are true about deploying and using vSphere Replication? (Choose two.)___
A. ESXi hosts managed by a single vCenter Server instance require a connection between the two vSphere Replication appliances.
B. Sites managed by different vCenter Server instances require a connection between the two vSphere Replication appliances.
C. Sites managed by different vCenter Server instances require the use of Site Recovery Manager and a connection between the two vSphere Replication appliances.
D. ESXi hosts managed by a single vCenter Server instance require a single vSphere Replication appliance.
【多选题】
An administrator is attempting to power on a virtual machine, but the task is hanging at 95%. What three scenarios best explain why this problem is happening? (Choose three.)___
A. A virtual machine question is currently being posed to the administrator.
B. Another task for the virtual machine or other component is already in progress.
C. The VMware High Availability cluster has insufficient resources to guarantee failover.
D. The host has lost access to the storage device containing the virtual machine files.
E. The host is under resource contention and unable to power on the virtual machine.
