【多选题】
在中兴通讯DWDM设备Unitrans ZXWM32(V1.1)系统中，复位NCP不会影响业务光通道，理由如下（ ）___
A. 主光通道业务和监控通道在单板电路上是独立设计的
B. WDM系统的业务通道目前产品没有使用光交叉
C. 在WDM系统中NCP的角色只是对业务光通道进行监控和数据采集，不能 对业务光通道进行任何操作
D. 由于WDM设备上各单板保留有相应的数据，复位NCP板不影响其他单板 的数据，所以业务光通道不受影响
E. 网管上硬件或者软件复位有源
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相关试题
【多选题】
网络常见的拓扑形式有（ ）。___
A. 总线
B. 星型
C. 树型
D. 环型
E. 网型
F.
【多选题】
对UPS系统及电池进行全面检修或设备故障维修时,一定要断开的开关是是（ ）.___
A. 主路输入空开
B. 旁路输入空开
C. 蓄电池开关
D. 输出空开
E. 维修旁路空开
F.
【多选题】
以太网表的RFC2544测试指标有___
A. 吞吐量
B. 延时
C. 帧丢失
D. 背对背
E. 误码率
F.
【多选题】
日常的巡检作业主要包含两个方面：软件巡检和硬件巡检，巡检的内容包括（ ）___
A. 设备安装的规范性检查，是否按照设备安装规范作业完成，标签是否清晰，走线是否美观等；
B. 网元局数据配置规范性检查，是否有冗余数据存在，未使用的端口是否关闭
C. 机房的运行环境检查，如：机房温度，机房是否配置了空调，机房的卫生状况，是否有水浸，是否有老鼠活动，动力环境是否正常等
D. 版本规范性检查，是否按照入网要求的版本导入，版本是否有入网证等；
E. 系统的运行健康性检查，如：CPU，内存等是否在正常的工作范围内
F.
【多选题】
以下哪些是BGP的公认强制属性？___
A. AS路径
B. 本地优先级
C. 聚合属性
D. 起点属性
E. 下一跳
F.
【多选题】
以下哪些是BGP的公认自选属性？___
A. AS路径
B. 起点属性
C. 聚合属性
D. 本地优先级
E. 下一跳
F.
【多选题】
IAD设备接入公网，需要注意的安全配置 ___
A. WEB端口80修改
B. 更改WEB密码
C. 配置网管功能
D. 启用VLAN功能
E. 修改设备中文名称
F.
【多选题】
社区经理上门服务时，应事先准备好“五个一”，包括（ ）___
A. 一双鞋套
B. 一张服务记录表
C. 一块抹布
D. 一块垫布
E. 一个垃圾袋
F.
【多选题】
TCP/IP 协议栈包括以下哪些层次（ ）___
A. 会话层
B. 网络层
C. 网络接口层
D. 传输层
E. 应用层
F.
【多选题】
下面关于 OSI参考模型各层功能的说法正确的是_________
A. 物理层涉及在通信信道（Channel）上传输的原始比特流，它定义了传输数据所需要的机械、电气功能及规程等特性
B. 网络层决定传输报文的最佳路由，其关键问题是确定数据包从源端到目的端如何选择路由
C. 传输层的基本功能是建立、维护虚电路，进行差错校验和流量控制
D. 会话层负责数据格式处理、数据加密等
E. 应用层负责为应用程序提供网络服务
F.
【多选题】
关于机房灭火正确的说法是（ ）___
A. 移动通信机房发生火灾时，要及时关闭空调，切断着火源
B. 在无力自灭自救时，一方面积极组织扑救、疏散用户和物资设备，另一方面，要迅速向公安消防队拨“119”报警
C. 机房发生火灾时，一部分人投入灭火，当烟气比较大时，为了防止烟气中毒，其他人应尽快组织相关人员有条不紊地进行疏散
D. 在烟气较大的情况下灭火或撤离火场时，最好用湿毛巾、湿衣服、布类等掩住口鼻
E. 在灭火中，一旦人身上着了火，万万不能跑，如果衣服能撕裂脱下时，应尽可能地脱下浸入水中踩灭，如果来不及脱，可以就地打滚把火窒息
F.
【多选题】
误码是指在传输过程中接收与发送数字信号之间单个数字的差异，那么以下哪些情况会引起误码___
A. 线路收光功率异常
B. 交叉板或时钟板故障
C. 线路板故障
D. 设备温度过高
E. 支路板故障
F.
【多选题】
对于 OSPF 协议中路由器之间的邻接关系，下面说法正确的有（ ）___
A. 两台路由器相互收到了对方的 Hello 报文，就自动成为了邻接关系
B. 两台路由器如果是互为邻接关系，则它们之间的网络类型有可能是 Point-to-Point
C. 两台路由器如果是互为邻接关系，则它们之间的网络类型有可能是 Point-to-MultiPoint
D. 两台路由器如果是互为邻接关系，而且它们之间的网络类型是 Broadcast ，则必然有一台路由器是DR 或者是 BDR
E. 只有建立邻接关系的两台路由器之间才交互 LSA
F.
【多选题】
PTN网络结构分为（ ）___
A. 通道层
B. 通路层
C. 传输媒介层
D. 应用网络层
E. 中间环境层
F.
【多选题】
AU指针调整后，其检测上报的方式有哪两种____和____。___
A. 远端检测
B. 本端检测
C.
D.
E.
F.
【多选题】
BGP 邻居会话建立之前，以下哪些是必须执行的.（ ）___
A. BGP 邻居必须发送Open 消息
B. 两BGP 路由器之间必须建立TCP 连接
C. 手动配置并指定邻居
D. 邻居间相互交换路由数据库
E.
F.
【多选题】
BGP 协议为了减少自治系统内部连接的复杂程度可以采用的方法有（ ）___
A. 路由聚合
B. 建立联盟
C. 设置反射器
D. 提高衰减的惩罚值
E.
F.
【多选题】
BGP 协议中规定了BGP 的两种邻居类型：IBGP 对等体和EBGP 对等体，有关对这些对等体路由的通告描述正确的是（ ）___
A. BGP 把从EBGP 获得的路由向IBGP 对等体通告
B. BGP 把从EBGP 获得的路由向EBGP 对等体通告
C. BGP 把从IBGP 获得的路由向IBGP 对等体通告
D. BGP 一定会把从IBGP 获得的路由信息向EBGP 对等体通告
E.
F.
【多选题】
BRAS承载家庭宽带业务时，对用户的限速方式有（ ）___
A. Radius下发速率
B. 域下限速
C. 接口限速
D.
E.
F.
【多选题】
BRAS设备具备的功能有（ ）___
A. 用户接入识别
B. 连接管理
C. AAA与用户管理
D. 地址分配与管理
E.
F.
【多选题】
BRAS设备为用户提供接入认证功能，高端BRAS支持的认证技术有（ ）.___
A. PPPOE认证
B. WEB认证
C. 802.1x认证
D. 基于IP、VLAN的绑定认证
E.
F.
【多选题】
Craft Interface上可以查看的系统运行状态以及故障诊断的功能有（ ）___
A. 告警LED
B. 主机子系统LED
C. SIB LED
D. FPC LED
E.
F.
【多选题】
DNS节点按照功能分为（ ）___
A. 缓存服务节点
B. 授权服务节点
C. 递归服务节点
D. 解析服务节点
E.
F.
【多选题】
DWDM设备的主要的网元形式包括？（）___
A. OTM
B. OADM
C. OLA
D. REG
E.
F.
【多选题】
DWDM中的关键技术有（ ）。___
A. 光源技术
B. 光调制技术
C. 合波分波技术
D. 光放大技术
E.
F.
【多选题】
F5 Bigip 支持哪些会话保持方法.（ ）___
A. 简单会话保持：根据客户端源IP 地址保持客户会话的技术
B. HTTP Header：根据HTTP 包头信息保持会话的技术
C. SSL ID 会话保持：根据SSL ID 保持客户/服务器连接的技术
D. HTTP Cookie 会话保持：插入模式,改写模式, 被动模式, 散列模式(Cookie Hash)
E.
F.
【多选题】
F5负载均衡器如何实现双机切换.（ ）___
A. 在主机上操作b failover standby
B. 在页面上选择force to standby
C. 在主机上操作b standby
D. 在页面上选择sync to peer
E.
F.
【多选题】
FTP用户主要包含以下哪些类型（ ）___
A. 超级用户
B. 匿名用户
C. 授权用户
D. 受限用户
E.
F.
【多选题】
GPRS专线客户端设备一般包含___
A. 协议转换器
B. 光端机
C. 路由器、交换机
D. 无线DDN
E.
F.
【多选题】
IMS统一centrex应用能够实现以下哪些业务？___
A. 多媒体桌面电话业务(补充业务)
B. 融合VPMN（包含现网VPMN功能）
C. 融合一号通
D. 融合总机（Centrex话务台）
E.
F.
【多选题】
IM的通讯方式有：（ ）___
A. 在线直接通讯
B. 在线代理通讯
C. 离线代理通讯
D. 扩展方式通讯
E.
F.
【多选题】
Infox网关故障处理常用的方法有___
A. 用维测台，在网关进行接口跟踪，分析消息协议是否存在异常
B. 用PTEST工具，可以检查网关与其他实体之间登录存在的异常情况
C. 可以通过检查网关日志，查看网关收到网络攻击或非正常连接的情况
D. 可以分析smpp话单和cmpp话单，检查失败原因，失败的数量等。
E.
F.
【多选题】
IP承载网（ ）双节点发生故障退出服务，且设备故障历时超过30分钟,为IP承载网重大故障。( )___
A. AR
B. CR、BR
C. RR
D. CE
E.
F.
【多选题】
IP城域网故障判断的常见方法有：（ ）___
A. 观察分析法
B. 替换法
C. 插拔法
D. 计算法
E.
F.
【多选题】
IP路由表中通常含有如下哪些信息（ ）___
A. 目的网络地址
B. 开销
C. 出接口
D. 下一跳地址
E.
F.
【多选题】
IS-IS 协议直接支持的网络类型有（ ）___
A. 点到点
B. 点到多点
C. 广播
D. NBMA
E.
F.
【多选题】
Lay4-7 层交换机或应用交换机有哪些速度、性能指标比较重要.（ ）___
A. 每秒处理的会话数量
B. 最多能够保持的连接数量,即最多能够保持多少个并发的会话连接
C. 端口数量
D. 支持的虚拟服务器个数–最多同时多少应用可以做负载均衡
E.
F.
【多选题】
MPLS-VPN网络中，以下那些元素是M-BGP分配或者传递的（）___
A. 私网标签
B. 公网路由
C. 私网路由
D. 公网标签
E.
F.
【多选题】
MSAP设备存在几种网管方式。（）___
A. 通过SNMP协议，配合网管软件进行管理
B. 本地串口方式管理
C. 232接口管理
D. 远程telnet方式管理
E.
F.
【多选题】
OSN设备配置SNCP保护，因为数据配置不正确导致倒换失败的原因有()___
A. 保护倒换启动条件未正确设置
B. 业务在源、宿站点的配置不正确
C. 业务在相关穿通站点未正确配置
D. 保护倒换属性在环、链相交站点未正确设置
E.
F.
推荐试题
【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
【单选题】
What VM Monitoring setting would ensure that the failure interval for a virtual machine is defined as 120 seconds?___
A. High
B. Normal
C. Low
D. Medium
【单选题】
The business managers have asked the IT administrator to ensure configuration compliance in the vSphere infrastructure. The IT administrator wants to use Host Profiles to accomplish this, but is unable to do so. Why is the administrator unable to use Host Profiles?___
A. The infrastructure uses a vSphere Standard license.
B. The infrastructure has servers with various CPU families.
C. The user has only the “Administrator” role.
D. Host Profiles apply only to storage settings.
【单选题】
What is the result of a “Consolidate” action on a virtual machine?___
A. All snapshots on the virtual machines will be deleted.
B. The virtual machine will be reverted to its last snapshot.
C. Redundant delta disks will be combined and deleted.
D. A new snapshot with memory state will be created.
【单选题】
A Telco customer is implementing NFV using vSphere as the virtualization platform. Which feature can help achieve a high packet rate with lower CPU consumption?___
A. Network I/O Control
B. SplitRX
C. ERSPAN
D. LACP
【单选题】
What is the VMware-recommended best practice for Fibre Channel zoning?___
A. soft zoning
B. single-initiator-multiple-target zoning
C. single-initiator zoning
D. single-initiator-single-target zoning
【单选题】
How can a vSphere administrator ensure that a set of virtual machines run on different hosts in a DRS cluster?___
A. Use a VM-Host affinity rule.
B. Add the VMs to a vApp.
C. Use a VM-VM affinity rule.
D. Place the VMs in different folders.
【单选题】
vCenter Server Appliance Instance can be backed up using which Client Interface?___
A. vSphere Client Interface
B. vSphere Web Client Interface
C. VMware Host Client Interface
D. Virtual Appliance Management Interface
【单选题】
What tool can capture network traffic at the uplinks, or vSwitch, or virtual port levels?___
A. tcpdump-uw
B. wireshark
C. pktcap-uw
D. pcap
【单选题】
Which storage feature always requires the use of third-party software on ESXi?___
A. Hardware Acceleration for NAS devices
B. VVOL
C. Hardware Acceleration for Block
D. evices
【单选题】
An ESXi host's VMCA-Signed certificate has expired. How can the certificate be renewed?___
A. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Renew button.
B. In the vSphere Web Client, browse to the host in question. Click the Manage tab and select settings. Select System and click Certificate, then click the Refresh CA Certificates button.
C. Run the command /sbin/generate-certificates on the affected host.
D. Disconnect the host from vCenter Server and reconnect it.
【单选题】
Which is the correct order for upgrading vSphere components?___
A. vCenter Server, ESXi hosts, VMware Tools, Virtual Machine hardware
B. VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
C. vCenter Server, Virtual Machine hardware, VMware tools, ESXi hosts
D. ESXi hosts, vCenter Server, Virtual Machine hardware, VMware Tools
【单选题】
Which iSCSI initiator type can be used with any network interface card?___
A. Software iSCSI initiator
B. Software FCoE adapter
C. Hardware Independent iSCSI initiator
D. Hardware Dependent iSCSI initiator
【单选题】
An administrator is attempting to power on a virtual machine with 32GB of memory. The operation fails with the following error: <Could not power on VM: No space left on device> <Checking the space on the virtual machine's datastore, there is 30GB free.> Which action would allow the VM to power on?___
A. Set a 2GB memory reservation on the VM.
B. Mount the virtual disk from the affected VM on to another virtual machine and free up space from within the OS.
C. Enable vSphere HD admission control on the cluster in which the VM resides.
D. Set a 2GB memory limit on the VM.
【单选题】
An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered. Which could be causing this?___
A. vSphere 6.5 does not support manual UNMAP.
B. The manual UNMAP operation has been moved to the vSphere web client.
C. The VASA version is use is incompatible.
D. UNMAP is automated for VMFS6.
【单选题】
An administrator has upgraded to vSphere 6.5 and also wants to use Kerberos authentication for NFS. Which can be done to the existing NFSv3 volumes to enable this feature?___
A. Perform a storage rescan on VMFS volumes.
B. Unmount the NFSv3 datastore, and then mount as NFSv4.1 datastore.
C. Nothing. All NFSv3 mounted datastores are upgraded automatically during vSphere upgrades.
D. Perform a scan of new storage devices.
【单选题】
An administrator wants to restore the vCenter Server Appliance 6.5 from backup. Where can this be accomplished?___
A. from the ESXi Host Client
B. from the VMware vSphere Appliance Management Interface
C. from within the VMware vSphere Web Client
D. from the vCenter Server Appliance Installer
【单选题】
The administrator wants to power on VM-K2, which has a 2GHz CPU reservation. VM-M1, VM-M2, and VM-K1 are all powered on. VM-K2 is not powered on. The exhibit shows the parent and child resource reservations. If Resource Pool RP-KID is configured with an expandable reservation, which statement is true?___
A. VM-K2 will be unable to power on because there are insufficient resources.
B. VM-K2 will be able to power on since resource pool RP-KID has 2GHz available.
C. VM-K2 will be unable to power on because only 2GHz are reserved for RP-KID.
D. VM-K2 will receive resource priority and will be able to power on this scenario.
【单选题】
Which is the block size on the VMFS6 datastore?___
A. All small and large file blocks are 8MB.
B. All small and large file blocks are 1MB.
C. Small file blocks are 512KB. large file blocks are 64MB.
D. Small file blocks are 1MB, large file blocks are 512MB.
【单选题】
When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?___
A. to manage conversion tasks remotely
B. to convert virtual machines as well as physical machines
C. to allow installation of the Converter agent on remote source machines
D. to hot clone physical or virtual machines
【单选题】
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
A. The Linux machine must be powered off.
B. The Linux machine must have the SSH daemon started.
C. The Linux machine must use a static IP address.
D. The Linux machine must have a fully-qualified domain name.
【单选题】
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
A. /var/log/fdm.log
B. /var/log/vpxa.log
C. /var/log/hostd.log
D. /var/log/auth.log
【单选题】
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33. Which could be the reason for this?___
A. The upgrade has changed the vmhba name.
B. vSphere 6.5 automates iSCSI configurations.
C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
【单选题】
An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
A. 100 milliseconds
B. 150 milliseconds
C. 15 milliseconds
D. 10 milliseconds
【单选题】
Which is required for configuring iSCSI Software Adapter network port binding?___
A. VMkernel of the iSCSI traffic must be load balanced using Route based on IP Hash algorithm.
B. VMkernel of the iSCSI traffic must be load balanced using Route based on Source Virtual Port ID algorithm.
C. VMkernel of the iSCSI traffic must be load balanced using Route based on Source MAC Hash algorithm.
D. VMkernel of the iSCSI traffic must be bound to only one active network adapter.
【单选题】
In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
A. None. Backup Verification job is not a feature of vSphere Data Protection
B. It is a manual task -Power it on -Verify the guest OS -Check started applications
C. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OS is booted by communicating with the Backup Verification agent
D. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OC is booted by detecting the VMware ToolsTM "heartbeats"
【单选题】
An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
A. Configure the Distributed Switch to MTU 9100.
B. Disconnect and reconnect the physical network cable.
C. Configure the physical switch to MTU 1600.
D. Disable the Distributed Switch MTU.
【单选题】
Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
A. Advanced Configuration Settings
B. General System Settings
C. Security
D. Networking
【单选题】
Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
A. /var/log/vmware/vpxd/
B. /var/log/messages
C. /etc/vmware-vpx/
D. /var/log/vmware/vsan-health/
【单选题】
An administrator wishes to enable network port mirroring based on source port. Which feature should be enabled?___
A. vSphere standard switch port
B. ERSPAN
C. NSX Virtual Wire
D. VLAN
【单选题】
Which CLI command shows the physical uplink status for a vmnic?___
A. esxcli network ip connection list
B. esxcli network ip neighbor list
C. esxcli network nic get
D. esxcli network nic list
【单选题】
Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?___
A. 1024
B. 512
C. 2048
D. 256
【单选题】
When performing a vCenter Server 5.5 for Windows with Microsoft SQL Server Express database migration to vCenter Server Appliance 6.5, which will be the target database?___
A. Microsoft SQL Server Express 2012R2
B. Microsoft SQL Server Standard 2012R2
C. PostgreSQL
D. Oracle DB 11g
【单选题】
An administrator has multiple vCenter Server 6.5 systems but cannot enable Storage I/O Control (SIOC) on a datastore shared by ESXi hosts managed by the vCenter Server systems. Which action should the administrator take to resolve the issue?___
A. Unmount the datastore and then enable SIOC on the vCenter Server system.
B. Configure the datastore to be managed by a single vCenter Server system.
C. Configure Storage DRS and then enable SIOC on the vCenter Server system.
D. Enable Raw Device Mapping (RDM) on the
E. SXi hosts.
【单选题】
“OneAppServer” is a VM template stored in a content library named “LibraryOne”, but the vSphere administrator is not able to use this template for deployment. Why is the administrator unable to deploy OneAppServer?___
A. OneAppServer must be updated before it can be deployed.
B. LibraryOne is a subscribed library and OneAppServer is not downloaded yet.
C. LibraryOne is published and optimized for syncing over HTTP.
D. OneAppServer was imported from a local file on the system.
【单选题】
An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
A. 45%
B. 25%
C. 70%
D. 60%
【单选题】
Which statement applies to the vSphere Replication appliance?___
A. Only one vSphere Replication appliance can be deployed per vCenter Server instance.
B. VMware Tools in the vSphere Replication appliance can be upgraded.
C. A single vSphere Replication appliance can manage a maximum of 4000 replications.
D. vSphere Replication is available only with the vSphere
E. ssentials Plus license.
【单选题】
Which esxcli namespace can a vSphere Administrator use to adjust the queue depth?___
A. esxcli system module parameters
B. esxcli storage core device
C. esxcli system module set
D. esxcli storage core adapter
