相关试题
【单选题】
华为ONU同时支持的语音协议SIP和H248，可以通过命令定义实际的协议对接方式切换，切换的命令为（ ）___
A. support protocol
B. change protocol
C. protocol support
D. protocol change
E.
F.
【单选题】
华为PON网元的查看的指令是（ ）___
A. dir
B. display
C. list
D. show
E.
F.
【单选题】
下面关于各告警的初步分析结论正确的是___
A. 对于155M业务，如果相关通道产生AU_AIS告警，可以初步判断是传输网络（设备或光缆）内部原因造成
B. 对于业务两端在PQ1上落地的2M业务，如果PQ1产生TU_AIS告警，可以初步判断是传输网络（设备或光缆）内部原因造成
C. PQ1单板支路端口产生T_ALOS告警，可以初步判断是传输网络（设备或光缆）内部原因造成
D. 其他选项都正确
E.
F.
【单选题】
华为传输网管上告警查询功能项的作用是（ ）.___
A. 使设备将主要告警上报网管
B. 使设备将危急告警上报
C. 显示设备当前告警
D. 使设备上报所有当前告警——自动上报、非自动上报
E.
F.
【单选题】
华为传输网管上告警查询功能项的作用是：（ ）___
A. 使设备将主要告警上报网管
B. 使设备将危急告警上报
C. 显示设备当前告警
D. 使设备上报所有当前告警——自动上报、非自动上报
E.
F.
【单选题】
无线局域网WLAN传输介质是（ ）___
A. 载波电流
B. 无线电波
C. 红外线
D. 卫星通信
E.
F.
【单选题】
华为发货的GPON业务单板大部分都支持光模块可拔插，以下哪种单板不支持该功能.（ ）___
A. H805GPBD
B. H803GPFD
C. H801GPBC
D. H802GPBD
E.
F.
【单选题】
基于5520 AMS的PON NBI软件需要（ ）的支持，登陆OLT进行数据配置.___
A. IAS
B. TL1 Gateway
C. CMPI
D. CRT
E.
F.
【单选题】
激活进程在OLT控制下工作，ONU应答OLT启动的消息.激活进程的大致步骤如下，顺序正确的是（ ）___
A. 123456
B. 213456
C. 423156
D. 364215
E.
F.
【单选题】
将IP地址转换成MAC地址是由（ ）协议来完成的.___
A. DHCP
B. DNS
C. RARP
D. ARP
E.
F.
【单选题】
交换机当前状态处于局部配置模式的是（ ）___
A. switch#
B. switch>
C. switch(config)#
D. switch(config-if)#
E.
F.
【单选题】
交换机根据MAC地址寻址，路由器根据（ ）地址寻址.___
A. MAC
B. IP
C. ID
D. LOID
E.
F.
【单选题】
利用支路板的各种自环功能来隔离设备故障和连线故障时，要判断是设备故障，应用（ ）功能；要判断是连接电缆故障，应用（ ）功能. ①外环回 ②内环回 ③不环回 ④清除环回___
A. ②①
B. ④②
C. ①②
D. ①③
E.
F.
【单选题】
下面关于误码的描述，错误的是()：___
A. 误码是指经接收、判决、再生后，数字码流中的某些比特发生了差错；
B. B1、B2、B3只能检测一块中奇数个数的误码，偶数个误码无法检测；
C. 通过B1、B2、B3可以分别对再生段、复用段和高阶通道的误码情况进行检测；
D. SDH系统可以根据B1、B2、B3的检测结果对信号误码进行纠错。
E.
F.
【单选题】
流媒体的概念正确描述的是（ ）___
A. 连续的影像和声音信息直接放到流媒体网络服务器上，通过因特网让浏览者一边下载一边观看完观看的技术
B. 连续的影像和声音信息经过压缩处理后放到流媒体网络服务器上，通过因特网让浏览者下载完观看的技术
C. 连续的影像和声音信息直接放到流媒体网络服务器上，通过因特网让浏览者下载完观看的技术
D. 连续的影像和声音信息经过压缩处理后放到流媒体网络服务器上，通过因特网让浏览者一边下载一边观看的技术
E.
F.
【单选题】
每个GPON口下最多只能注册（ ）个ONU.___
A. 只要光功率允许就可以无限多个
B. 128
C. 32
D. 64
E.
F.
【单选题】
目前，我国使用最广泛的LAN标准是基于（ ）的以太网标准.___
A. IEEE 802.2
B. IEEE 802.3
C. IEEE 802.5
D. IEEE 802.1
E.
F.
【单选题】
无线网络信号在（ ）传播.___
A. 水中
B. 金属
C. 射线
D. 空气
E.
F.
【单选题】
判断：某PON口下的ONU长发光，则该ONU无法注册，但不会影响其它ONT注册.（ ）___
【单选题】
日常维护过程中，如果出现ONT DG的告警，可考虑（ ）___
A. ONT是否断电
B. PON板损坏
C. ONU 损坏
D. ONT是否断光
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ARP代理功能
B. 使用super vlan做三层接口
C. 使用standard类型vlan
D. 关闭二层隔离开关
E.
F.
【单选题】
如一台PC有两块网卡，那么这台机器就拥有了（ ）个MAC地址.___
A. 3个
B. 1个
C. 2个
D. 4个
E.
F.
【单选题】
所谓无源光网络是指（ ）___
A. ONU由无源光器件组成
B. OLT全部由无源光器件组成
C. ODN全部由无源光分路器和光纤等无源光器件组成
D.
E.
F.
【单选题】
网管上报网管与设备通讯失败告警,表示含义是（ ）___
A. 网元业务中断
B. 网管中断
C. 网元管理中断
D. 网管重启了
E.
F.
【单选题】
下面哪个TCP/IP网际层协议可以提供ping和traceroute这样的故障诊断功能（ ）___
A. ICMP
B. IGMP
C. ARP
D. RARP
E.
F.
【单选题】
网管上能否获取到onu的光功率（ ）___
【单选题】
网管维护注意事项不包含以下哪项（ ）___
A. 网络优化
B. 数据安全
C. 异常检查
D. 数据备份
E.
F.
【单选题】
网管用户不包含哪个组别类型（ ）___
A. 用户组
B. 管理组
C. 对象组
D. 维护组
E.
F.
【单选题】
网络的故障诊断一般分为故障检测和（ ）两个阶段.___
A. 故障定位
B. 故障处理
C. 故障通告
D. 故障清除
E.
F.
【单选题】
下列（ ）协议是用来发送电子邮件的TCP/IP协议.___
A. PPP
B. POP4
C. SMTP
D. HTTP
E.
F.
【单选题】
网元的告警一般分为几个等级.（ ）___
A. 3
B. 2
C. 4
D. 5
E.
F.
【单选题】
网元系统状态指示灯显示红色时是否需要查看状态.（ ）___
【单选题】
网元系统状态指示灯显示绿色时是否需要查看状态.（ ）___
【单选题】
微机病毒是指（ ）___
A. 细菌感染
B. 生物病毒感染
C. 特制的具有破坏性的程序
D. 被损坏的程序
E.
F.
【单选题】
为了有效监控ONU侧接收光功率情况，可以在OLT上配置光功率的阀值，运行中超过告警阀值时，系统会上报告警，此告警名称是（ ）___
A. 近端光收发器参数超出警示阈值
B. 远端光收发器参数超出警示阈值
C. 近端光收发器参数超出告警阈值
D. 远端光收发器参数超出告警阈值
E.
F.
【单选题】
下面哪个不属于当前告警( )___
A. 正在发生的告警
B. 已经结束但未确认的告警
C. 已经确认但为结束的告警
D. 告警已经结束并被确认
E.
F.
【单选题】
为满足Best Effort的业务转发配置需求，需要将业务流映射进T-CONT type 4，因此7342 GPON在配置其对应的BW Profile时，CIR、AIR、EIR的配置应参考方案（ ）___
A. CIR=0, AIR>0,EIR=AIR
B. CIR=0, AIR=0, EIR>0
C. CIR>0, AIR=CIR, EIR=CIR
D. CIR=0, AIR=0,
E. IR=0 E.
F.
【单选题】
下列有关OTDR的使用，说法正确的是（ ）___
A. 平均时间越长，信噪比越高，曲线越清晰。
B. 脉宽越大，功率越大，可测的距离越长，分辨率也越高。
C. 脉冲宽度越大，盲区越小
D. 分别从两端测，测出的衰减值是一样的
E.
F.
【单选题】
需要配置用户权限的组播模式为（ ）___
A. 可控
B. 代理-侦听
C. 代理
D. 侦听
E.
F.
【单选题】
一般单模光纤在（ ）波长处，其衰耗系数相对其他工作波长会更小一些.___
A. 850nm
B. 1310nm
C. 1480nm
D. 1550nm
E.
F.
推荐试题
【多选题】
When attempting to access a virtual machine, an administrator is unable to login using the vSphere credentials. What two options are probable causes of the authentication failure? (Choose two.)___
A. The vSphere credentials have not been granted permissions.
B. The vSphere credentials are granted read-only permissions.
C. The vSphere credentials are granted no-access permissions.
D. The vSphere credentials are not a member of the local administrator group.
【多选题】
An administrator is performing a scripted installation of ESXi 6.x. In which three locations does the script need to be? (Choose three.)___
A. PXE Server
B. HTTPS
C. FTP
D. NFS
E. VVOLs Datastore
【多选题】
In order for a company to meet regulatory requirements, all ESXi 6.x Hosts must be configured to direct logs to a syslog server. What are two ways ESXi hosts can configured for this action? (Choose two)___
A. Use the esxcli system syslog command.
B. Edit them in the ESXi host Advanced System Settings.
C. From the Syslog collector user interface of the Web Client.
D. Syslog logging is not available for
E. SXi Hosts.
【多选题】
Which three actions can be executed when an alarm is triggered? (Choose three.)___
A. Send an email.
B. Send an SNMP trap.
C. Run a script or command.
D. Run an Orchestrator workflow.
E. Send a trigger to syslog.
【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
A. Storage access to the virtual machine swap file has been lost.
B. One of the virtual machine VMDK files is locked.
C. Virtual machine is running CentOS 7.0 64-bit.
D. Virtual machine has Hyper-Threading enabled.
【多选题】
An administrator has configured a host profile so that ESXi 6.x hosts will point to the corporate NTP server for time synchronization. The NTP server is located at 10.0.30.213, but time has not been synchronized properly across the ESXi hosts. The administrator reviews Host Profile settings as shown in the Exhibit. Which two steps are required to resolve the issue? (Choose two.)___
A. Correct the NTP server IP address.
B. Check the host for host profile compliance.
C. Remediate the host based on the updated host profile.
D. Change the NTP server to the FQDN as IP Addresses are not supported.
【多选题】
An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
A. Use multiple NICs for the vMotion vmkernel port.
B. Use a 10Gbps Network card for the vMotion vmkernel port.
C. Add an additional management network to help transmit the data quicker.
D. Disable Fault Tolerance before performing the vMotion.
【多选题】
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
A. Maintenance mode is unable to migrate all virtual machines from the host.
B. There is a large number of virtual machines that must be migrated from the host.
C. VMware High Availability is in the process of reconfiguring the cluster.
D. Each virtual machine on the
E. SXi host must be reconfigured to recognize the new adapter.
【多选题】
Which two events happen when Distributed Resource Scheduler (DRS) is disabled? (Choose two.)___
A. The cluster's resource pool heirarchy and affinity rules are re-established when DRS is turned back on.
B. The cluster's resource pool hierarchy and affinity rules are not re-established when DRS is turned back on.
C. The cluster's resource pools are removed from the cluster.
D. The cluster's resource pools are removed from the cluster and assigned to the hosts.
【多选题】
Which two networking connection types can be configured on a virtual switch? (Choose two.)___
A. Virtual machine portgroups
B. VMkernel services (such as NFS, iSCSI, or vMotion) to the physical network
C. Web services over the Management Network
D. NFS and FCoE storage services
【多选题】
An administrator creates a DRS cluster of eight ESXi 6.x hosts. There are 10 virtual machines balanced across the hosts. An attempt to place the first host into maintenance mode fails. What are two reasons that the host failed to enter maintenance mode? (Choose two.)___
A. The DRS cluster Automation Level is set to Partially Automated mode.
B. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Should run on hosts in group.
C. One of the virtual machines on the ESXi Host entering maintenance mode is configured with a DRS Host affinity rule Must run on hosts in group.
D. One of the virtual machines on the
E. SXi Host entering maintenance mode is configured with an individual Automation Level set to Partially Automated.
【多选题】
When modifying a vApp, which two vSphere entities can be added? (Choose two.)___
A. A resource pool
B. A network pool
C. A vApp
D. A folder
【多选题】
From which two locations in the inventory hierarchy can you deploy a virtual machine using a template? (Choose two.)___
A. Directly from the template.
B. From a compute resource.
C. From an existing virtual machine.
D. From a Datastore.
【多选题】
A company has decided to implement Virtual SAN within their vSphere 6.x environment. The Virtual SAN cluster will be composed of three ESXi 6.x hosts that are on the Virtual SAN Ready Node list. Each ESXi host includes: <Two SAS Controllers that support Passthrough Mode> < Four Solid State Drives (SSDs) 1TB in size each> <20 SAS Magnetic Disks (MDs) 1TB in size each> <The SSDs and MDs are evenly split between the two SAS controllers>. The company will pilot a Virtual SAN cluster utilizing VMware best practices while maximizing storage capacity. The Virtual SAN cluster will use Manual Mode. Which two Disk Group configurations would meet the stated configuration requirements? (Choose two.)___
A. 4 disk groups with 1 SSD and 5 MDs each
B. 2 disk groups with 1 SSD and 7 MDs each
C. 2 disk groups with 2 SSDs and 7 MDs each
D. 2 disk groups with 1 SSD and 10 MDs each
【多选题】
A physical Windows 2008 R2 Server is converted to a virtual machine using VMware vCenter Converter. Upon completion of the conversion and subsequent power on operation, the virtual machine fails to boot and the message below is observed in the Console of the virtual machine: <STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE>. Which two potential issues may be causing this boot failure? (Choose two.)___
A. An incorrect SCSI controller was selected during conversion.
B. Incompatible software drivers were migrated into the virtual machine from the source machine.
C. The vmdk file backing the virtual machine was thick provisioned.
D. A snapshot was taken immediately after the conversion completed.
【多选题】
An administrator is configuring the Failover Order option on a vSphere Distributed Switch. Which two options should be used with IP-hash load balancing? (Choose two.)___
A. Active Uplinks
B. Standby Uplinks
C. Unused Uplinks
D. Override Failover Order
【多选题】
An administrator is configuring the Maximum Transmission Unit value on a vSphere Distributed Switch. Which two options are typical values for ESXi networking? (Choose two.)___
A. 1492
B. 1500
C. 9000
D. 9089
【多选题】
Which two configurable options apply to both virtual machine CPU and memory allocation? (Choose two.)___
A. Reservation
B. Shares
C. Resource Pool
D. Reserve All
【多选题】
When attempting to power on a Virtual Machine you observe the following error: <Cannot open the disk '/vmfs/volumes/volume/vm/vm-000002.vmdk' or one of the snapshot disks it depends on.> Which three actions will be the best solutions to address this problem? (Choose three.)___
A. Verify that the virtual machine's disk files are present.
B. Investigate the host and virtual machine log files.
C. Verify the vmdk descriptor files and if required, recreate them.
D. Delete the disk file preventing the power on operation.
E. Migrate or register the virtual machine to a different host.
【多选题】
An administrator has been tasked with enabling High Availability ___ on a cluster in a vSphere 6.x environment with default settings. The cluster configures properly and there are no errors. The next day when powering on a virtual machine, an error is presented: <Not Enough Failover Resources>. Which three scenarios are likely causes of this error message? (Choose three.)(CDE)
A. The default VM Monitoring Sensitivity is set too high.
B. There are not enough datastore heartbeat datastores configured by default.
C. The default slot size in the cluster is set too high.
D. There are virtual machines with large CPU reservations.
E. A host is in maintenance mode for a replacement of a failed Hard Drive.
【多选题】
vMotion can be performed between which three physical boundaries? (Choose three.)___
A. Between two vCenter Server Systems
B. Between two vSphere Distributed Virtual Switches
C. Between two vCenter Server Datacenter objects
D. Between two VMware NSX Layer 4 segments
E. Between two NFS datastores
【多选题】
An administrator configures vSphere Replication for a virtual machine and enables multiple point in time (PIT) instances under the recovery settings in the Configure Replication wizard. Which two statements are correct for vSphere Replication with multiple point in time instances enabled? (Choose two.)___
A. vSphere Replication retains a number of snapshot instances of the virtual machine on the target site based on the retention policy that you specify.
B. vSphere Replication uses the virtual machine's snapshot instances to define the target site Point in Time instance based on the retention policy that you specify.
C. vSphere Replication does not support virtual machines with snapshots.
D. vSphere Replication supports virtual machines with snapshots.
【多选题】
An administrator is virtualizing a physical application server and adding it to an existing multi-tiered vApp. The application license is currently tied to the physical NIC's MAC address, so the administrator needs to ensure the license will function properly in the virtual machine. Which two actions can the administrator take to satisfy this task? (Choose two.)___
A. Set the MAC address for the vNIC in the guest operating system.
B. Install the physical server's NIC into the ESXi host.
C. Configure the MAC address for the vNIC using the vSphere Web Client.
D. Assign the physical server NIC's MAC address in the vSphere Distributed Switch.
【多选题】
Which two Fibre Channel zoning options are supported with vSphere 6.x? (Choose two.)___
A. Single-Initiator
B. Single-Initiator-Single-Target
C. Multiple-Initiators-Single-Target
D. Multiple-Initiators-Multiple-Targets
【多选题】
An administrator is attempting to remove an ESXi 6.x host from a vSphere Distributed Switch (vDS). When the administrator attempts to remove the host, the following error is observed: <The resource '16' is still in use.> What three steps are needed to successfully remove the host from the switch? (Choose three.)___
A. Select Manage Ports on the vDS for the host.
B. Locate all ports currently in use on the vDS for the host.
C. Migrate or delete any vmkernel or virtual machine adapters associated with the switch.
D. Remove all network cards from the switch before trying to remove the host.
E. Create a standard switch for everything to be automatically be migrated to.
【多选题】
Which two Virtual SAN related actions might start resynchronization of virtual machine objects? (Choose two.)___
A. Editing a virtual machine storage policy to increase the number of replicas.
B. Editing a virtual machine storage policy to reduce the number of replicas.
C. Editing a virtual machine storage policy to increase the number of disk stripes.
D. Editing a virtual machine storage policy to reduce the number of disk stripes.
【多选题】
An administrator is troubleshooting basic network connectivity issues. Which two scenarios are potential issues that this administrator might face? (Choose two.)___
A. The vSwitch is not attached to the correct physical network.
B. The portgroup is not configured to use correct VLAN.
C. Traffic shaping is configured incorrectly.
D. Jumbo frames is configured incorrectly.
【多选题】
Which three items should be validated prior to installing ESXi 6.x? (Choose three.)___
A. Remote Storage has been disconnected.
B. Installation media is available.
C. Server hardware clock is set to UTC.
D. Storage has been partitioned with a VMFS volume.
E. Network cards have been setup to use Jumbo
F. rames.
【多选题】
An administrator is performing an interactive installation of ESXi 6.x. Which three options are available for installation? (Choose three.)___
A. DVD
B. USB
C. PXE
D. Scripted
E. Auto Deploy
【多选题】
After installation of a host in your test environment, you need to move it to production. The only major change that needs to be made is that the hostname of the server needs to change. What are two ways that an administrator can change the host name without editing configuration files on the host directly? (Choose two.)___
A. Login to the Direct Console User Interface and change it from here.
B. Edit the Default TCP/IP Configuration from the vSphere Web Client.
C. Use the Ruby vSphere Client to send a script to the ESXi host that updates the hostname.
D. Update the information in DNS and the
E. SXi host will automatically update with these changes.
【多选题】
An administrator has unsuccessfully attempted several times to install an Operating System inside a virtual machine. The administrator finds that the installation fails at random intervals. Which two actions can be taken to resolve this issue? (Choose two.)___
A. Verify the md5sum and if invalid, download the installation files again.
B. Attempt the installation an additional time.
C. Attempt to use a different installation media or installation method.
D. Create a new virtual machine and attempt the installation with the existing media.
【多选题】
VMware tools is failing to install on a Microsoft Windows virtual machine. What are two possible situations that would prevent the installation? (Choose two.)___
A. The VMware tools installation media is corrupt.
B. The incorrect Operating System was selected in the virtual machine options.
C. The software prerequisites have not been installed.
D. The prerequisite services have not been started.
【多选题】
As part of a multisite Single Sign-On (SSO) deployment what two steps are required to ensure that a change to one Single Sign-On instance is propagated to the other instances? (Choose two.)___
A. Schedule a Replication Task on the primary instance
B. Select the first instance during the installation of subsequent instances
C. During the installation of each instance choose Linked-Mode
D. Enable Synchronize to Active Directory on each instance
【多选题】
You need to add an object to an existing vApp using the vSphere Web Client. How is this accomplished?___
A. Create an Object Inside the vApp.
B. Add an Object to a vApp.
C. Add an Object to the
D. atastore the vApp is located in.
【多选题】
Which three steps must be taken to use vSphere Update Manager 6.x to upgrade an ESXi 5.5 host to vSphere 6.x? (Choose three.)___
A. Download an ESXi Image.
B. Configure the vSphere Update Manager Download Service.
C. Create a baseline and attach it to the ESXi Host.
D. Scan the vCenter Content Library for the
E. SXi Image.
【多选题】
Which two options would allow a database administrator, with no access to the vSphere infrastructure, to connect to a virtual machine? (Choose two.)___
A. Use the Virtual Machine Remote Console (VMRC).
B. Use Remote Desktop Protocol (RDP) to connect.
C. Ask the vSphere administrator to grant permission to access the console through vCenter Server.
D. Ask the vSphere administrator to grant permission to access with the Horizon View Direct Connect Client.
【多选题】
Which three are architecture components of vRealize Operations? (Choose three.)___
A. Identity Server
B. Administrative Server
C. Analytics Server
D. Database Server
E. Connection Broker
【单选题】
金克拉金克拉撒旦蒂萨里大儿童家爱丽丝打开就撒开绿灯技术的（）
A. 手动阀手动阀
B. 撒旦
C. 反对法
D. 第三方
【单选题】
金克拉金克拉撒退热贴开绿灯技术的（）
A. 是否
B. 阿斯顿
C. 撒旦
D. 感到反感
【单选题】
而非热舞法国会开绿灯技术的（）
A. 撒的
B. 热个股分化
C. 返回
D. 而我认为
