【单选题】
A user is trying to retrieve objects from a SharePoint server and finds the request is taking an excessive amount of time. An administrator tries to isolate the issue and notes the following: Application performance is poor when compared to virtual machines on other hosts. Performance improves when the virtual machine is moved to another host. The virtual machine encounters higher than expected CPU %Ready times. What conclusion can be reached regarding the performance issues for this virtual machine? ___
A. Host Power Management is directly impacting virtual machine performance.
B. The virtual machine has a large number of snapshots.
C. The Path Selection Policy for the storage device is set differently on the affected host.
D. Network I/O control is configured for the portgroup.
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相关试题
【单选题】
A virtual machine template is accidently removed from the vCenter Server Inventory. Which method would be used to recover the template back into the environment?___
A. Use the datastore browser to locate the template, then right click and add the .vmtx file to inventory.
B. Use the datastore browser to locate the template, then right click and add the .vmx file to inventory.
C. Using the Managed Object Browser and adding the template from the ManagedObjectReference:GuestFileManager object.
D. Using the Managed Object Browser and adding the template from the ManagedObjectReference:VirtualDiskManager object.
【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? ___
【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.
推荐试题
【多选题】
以太网故障的一般处理流程包括（ ）___
A. 查看主机和路由器的局域网连接是否正确。
B. 考虑速率匹配问题。
C. 查看主机和路由器的以太网接口的IP地址是否位于同一子网内，即二者的网段地址必须是相同的，仅仅是主机地址不相同。如果不在同一子网内，请重新设置IP地址。
D. 查看链路层协议是否匹配。
E. 查看以太网接口的工作方式是否正确。
F.
【多选题】
集团公司对集客业务重大故障的定义包括（ ）___
A. 同一故障造成3条以上跨省集团客户AAA级业务全阻超过2小时（含）
B. 单条跨省AAA级业务全阻超过6小时（含）
C. 同一故障造成10条以上（含）跨省集客业务同时阻断超过2小时（含）的
D. 造成跨省AAA级业务性能明显劣化，影响客户使用，超过12个小时（含）的
E. 单条跨省2A或以下级别业务阻断或者线路劣化，影响客户使用，超过72小时（含）的
F.
【多选题】
以下对于OLT安全防护的描述正确的.（ ）___
A. 若需要防止用户仿冒MAC地址恶意攻击时，可以配置防MAC地址漂移功能
B. 当需要防止恶意用户伪造MAC地址发送报文攻击OLT设备时，可以使能防MAC Spoofing功能，配置完成后系统将自动实现MAC地址与业务流的动态绑定
C. 当需要防止恶意用户发送各类控制报文对设备进行攻击时，可以配置防DoS攻击功能，在出现攻击时，系统上报告警来及时处理
D. 当需要禁止带有某些源MAC地址或目的MAC地址的报文通过本设备上行时，使能mac-filter功能，实现对指定MAC地址的过滤
E. 当需要防止恶意用户伪造IP地址发送报文攻击设备时，可以配置防IP Spoofing功能，自动实现IP地址与用户的动态绑定
F.
【多选题】
某站出现T-ALOS告警的原因可能是（ ）。___
A. 2M业务未接入
B. DDF架侧2M接口输出（对于传输侧）端口脱落或松动
C. 本站2M接口输入端口脱落或松动
D. 支路板故障
E. 电缆故障
F.
【多选题】
当确定了根桥后，其它的交换机选出了哪两项内容之后，STP才会使交换网络收敛.（ ）___
A. VLAN ID
B. 根端口
C. 全双工端口
D. 指定端口
E. 丢弃端口
F.
【多选题】
处理投诉过程中的大忌（）___
A. 缺少专业知识
B. 怠慢客户
C. 缺乏耐心，急于打发客户
D. 允诺客户自己做不到的事情
E. 急于为自己开脱
F.
【多选题】
集团客户业务范围是指由我公司向集团客户提供的基础通信，其集团规范的业务类型不包括（ ）___
A. 语音专线
B. 本地专线
C. 数据专线
D. 互联网专线
E. 集团短、彩信
F.
【多选题】
集团客户业务包括( )___
A. 数据专线
B. 互联网专线
C. 语音专线
D. GPRS专线
E. 集团短彩信业务
F.
【多选题】
宽带设计文档中应包含PON宽带网络拓扑结构图，在图上应标示出本地区所有主要网络设备，如（ ）___
A. 路由器
B. ONU
C. 分光器
D. OLT
E. 交换机
F.
【多选题】
故障处理手段包括以下内容（ ）___
A. 观察法
B. 测试法
C. 替换法
D. 修改数据业务配置
E. 经验处理法
F.
【多选题】
FTTB装机中引入线的安装要遵循（ ）___
A. 耐用
B. 横平竖直
C. 美观
D. 安全、耐用、美观、、横平竖直
E. 牢固
F.
【多选题】
与路由器相连的计算机串口属性的设置，正确的有___
A. 速率：9600bps
B. 数据位：8位
C. 奇偶校验位：无
D. 停止位：1位
E. 流控：软件
F.
【多选题】
在IP报文头的字段中，（ ）内容和IP报文分片有直接的关系。___
A. 源IP地址
B. 目的IP地址
C. 标识字段（Identification）
D. 标志字段（MF、DF字段）
E. 片偏移
F.
【多选题】
为了扩大传输容量，经常采用的方法就是复用技术，常见的复用技术有（ ）。___
A. 时分复用（TDM）
B. 空分复用（SDM）
C. 波分复用（WDM）
D. 码分复用（CDM）
E. 频分复用（FDM）
F.
【多选题】
SLA中规定的业务保障等级具体分为哪些级别？___
A. AAAA级
B. AAA级
C. AA级
D. A级
E. 普通级
F.
【多选题】
集团定义的集客业务的客户服务等级分为（ ）___
A. 金牌级
B. 银牌级
C. 铜牌级
D. 标准级
E. 普通级
F.
【多选题】
客户服务等级分为金牌级、银牌级、铜牌级、标准级.业务保障等级分为（ ）___
A. AAA
B. AA
C. A
D. 标准
E. 普通级
F.
【多选题】
业务保障等级主要依据客户服务等级和客户业务的重要程度，分为（ ），___
A. AAA级
B. AA级
C. A级
D. B级
E. 普通级
F.
【多选题】
STM-N帧结构分为（ ）。___
A. 管理单元指针
B. 段开销
C. 净负荷
D. 支路单元指针
E. 扰码字节
F.
【多选题】
对于误码，常见外部原因有（ ）。___
A. 光纤性能劣化、损耗过高
B. 光纤接头不清洁或连接器不正确
C. 设备接地不好
D. 设备附近有强烈干扰源
E. 设备散热不好、工作温度过高
F.
【多选题】
分组传送网的技术特点包括（ ）___
A. 可扩展性
B. 高性能OAM机制
C. 完善的Qos机制
D. 多业务承载
E. 提高频谱效率
F.
【多选题】
在SDH传输网中，具有延长通信距离的功能基本网络单元有（ ）___
A. 终端复用器（TM）
B. 分插复用器（ADM）
C. 光纤放大器（OA）
D. 再生中继器（REG）
E. 同步数字交叉连接设备（SDXC）
F.
【多选题】
SDH包含的4个网元为？___
A. 终端复用器TM
B. 无源分光器POS
C. 再生中继器REG
D. 分纤复用器ADM
E. 同步数字交叉连接设备DXC
F.
【多选题】
投诉的好处（ ）___
A. 投诉可以指出公司的缺点
B. 投诉是提供你继续为他服务的机会
C. 投诉可以加强他成为公司的长期理性顾客
D. 投诉可以使公司产品更好地改进
E. 投诉可以提高处理投诉人员的能
F.
【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
【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.
