【单选题】
以下有关聚羧酸锌粘固剂的论述中,不恰当的是___
A. 对釉质和牙本质都有较大的黏着力
B. 对牙髓刺激小
C. 可作为垫底材料
D. 聚羧酸锌粘固剂在唾液中的溶解度大于磷酸锌粘固剂
E. 对牙髓的刺激性较大
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答案
B
解析
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相关试题
【单选题】
以下有关磷酸锌粘固剂的论述中,恰当的是___
A. 对牙髓有一定的刺激
B. 可作为垫底材料
C. 可用于粘固嵌体、桥、冠
D. 深龋洞不可直接用磷酸锌粘固粉垫底
E. 以上选项均是
【单选题】
以下有关双层垫底的叙述中,不恰当的是___
A. 洞深接近牙髓,需做双层垫底
B. 氧化锌丁香油粘固粉是理想的第一层垫底材料
C. 氧化锌丁香油粘固粉用作暂封时,宜较稀以延长固化时间
D. 氧化锌丁香油粘固粉抗压强度弱,不能承受咀嚼压力
E. 磷酸锌粘固粉可用作第二层垫底材料
【单选题】
以下属于中龋临床表现的是___
A. 遭受外界的物理化学刺激反应强烈
B. 已有龋洞,龋损的前沿位于牙本质的浅层
C. 已有龋洞,进食冷、热或酸、甜食品疼自发疼
D. 已有齲洞,进食冷、热或酸、甜食品疼放射疼
E. 已有龋洞,进食冷、热或酸、甜食品疼夜间疼
【单选题】
患者,男。26岁,左下后牙龋洞,无明显自发疼痛,食物嵌入时疼。检查:左下6(牙合)面龋坏，软化牙本质较多,叩(-),冷测敏感,电活力正常。去除无基釉后去腐敏感,不能全部去净。患牙可能的诊断是___
A. 中龋
B. 深龋
C. 继发龋
D. 慢性牙髓炎
E. 急性牙髓炎
【单选题】
治疗年轻恒牙的操作中不妥当的是___
A. 考虑年轻恒牙的形态、组织结构和生理特点
B. 挖匙去除深部软化牙本质,避免不必要的露髓
C. 用龋蚀显示液
D. 选用对牙髓无刺激的材料垫底
E. 以上选项都不是
【单选题】
四环素牙内脱色法说法错误的是___
A. 一般临床效果很满意
B. 远期疗效最佳
C. 有效地去除原来结合在牙本质中的四环素含量
D. 缺点是使活髓牙变成死髓牙
E. 适用于迫切要求美观而又不伴有釉质缺陷者
【单选题】
患者男,因上前牙有白色斑要求治疗。检查左上中切牙及右上中切牙唇面有白垩斑,探光滑、硬。余未见明显异常。该患牙诊断为___
A. 浅龋
B. 釉质发育不全
C. 氟牙症
D. 四环素牙
E. 遗传性乳光牙本质
【单选题】
男性,35岁。因全口牙自幼呈黄色,后似有加重为黄褐色,要求治疗。查见全口牙均为黄褐色,表面光滑无缺损。医师应做的重点询问是___
A. 牙病治疗史
B. 幼时患病史
C. 父母病史
D. 幼时居住地
E. 幼时患病用药史
【单选题】
男性,35岁,因右下第二前磨牙中央尖折断,被诊断为慢性根尖周炎。患牙不松动,X线片根尖部呈燕尾状吸收根尖周X线透射区5mm×5mm,边界较清楚。患牙的治疗为___
A. 拔除
B. 干髓治疗
C. 塑化治疗
D. 根管治疗
E. 牙髓摘除术
【单选题】
釉质发育不全的临床表现是___
A. 釉质表面暗白不透明、无光泽
B. 釉质表面缺损呈现蜂窝状
C. 釉质表面呈深度不等的带状或窝状凹陷
D. 重症时有实质性缺损
E. 以上均是
【单选题】
釉质发育不全的防治原则是___
A. 补充维生素d
B. 对釉质缺损者实施防龋处理
C. 轻症患牙可做脱色治疗
D. 重症患牙可做牙髓治疗
E. 前牙牙面缺损影响美观的可进行树脂贴面的修复
【单选题】
氟牙症的临床特点为___
A. 氟牙症多发生在乳牙，恒牙少见
B. 釉质损伤发生在单个牙或一组牙
C. 患牙的釉质损伤斑块边缘清楚
D. 患牙着色但不发生釉质的实质缺损
E. 患牙对摩擦的耐受性差,抗酸能力较强
【单选题】
牙体折断线累计牙冠与根部,斜行折裂多见均与口腔相通,牙髓往往暴露,断片动度大,触痛明显是哪种牙折的表现___
A. 冠折未露髓
B. 冠折露髓
C. 根折
D. 牙冠斜折
E. 冠根联合折
【单选题】
关于牙震荡的临床表现的说法,下列错误的是___
A. 患牙微酸痛感
B. 患牙可对于冷刺激一过性敏感
C. 牙冠完整,通常不伴有牙体组织的缺损
D. 不松动,有移位
E. 叩痛(±)~(+)
【单选题】
牙震荡主要表现为___
A. 周膜损伤,牙齿硬组织及牙龈无损伤
B. 牙周膜及牙龈组织损伤,牙体硬组织无损伤
C. 牙龈组织及牙体硬组织损伤,牙周膜无损伤
D. 牙龈组织、牙周膜、牙体硬组织均无损伤
E. 牙周膜、牙体硬组织、牙槽骨损伤
【单选题】
患者,女,7岁,左上颌中切牙因外伤致牙齿嵌入牙槽窝,最恰当的处理是___
A. 拔除患牙择期修复
B. 拉出嵌入的乳牙复位
C. 复位
D. 拔出后再植
E. 不处理,定期复诊
【单选题】
患者,男,8岁。两天前意外致上中切牙碰伤,现有咬物痛。查:左上1牙冠完整,牙龈无红肿,叩(-)。电测活力良好,l度松动,扪(-)X线片示根折线在根尖1/3处。处理应是___
A. 调(牙合)、观察
B. 根管治疗
C. 患牙拔除
D. 牙髓摘除
E. 不做处理
【单选题】
患者,男,33岁,2天前骑自行车跌倒,上前牙受伤,现咬合疼。检查:左上1牙冠完整,叩(+),电活力测验无反应,松动丨度，牙龈无红肿,X线片示根尖1/3处有根折线。该牙的处理应为___
A. 调(牙合)、固定
B. 立即做根管治疗术
C. 立即做牙髓摘除
D. 不做任何处理
E. 拔除患牙
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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? ___
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What is a benefit of using Enhanced vMotion Compatibility for an environment? ___
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How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
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【单选题】
How many Link Aggregation Groups (LAGs) can be configured on a vSphere 6.x Distributed Switch? ___
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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? ___
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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? ___
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【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? ___
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【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? ___
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【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? ___
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【单选题】
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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? ___
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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? ___
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A. Add the host to vCenter Server and if it works, then all networking settings are ok.
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【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
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C. Microsoft SQL Server 2014
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【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? ___
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【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
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【单选题】
What is true regarding datastores on ESXi 6.x? ___
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B. VMFS3 and VMFS5 datastores can be newly created
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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? ___
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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? ___
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B. All three virtual machines can power on without memory contention.
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【单选题】
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C. The ESXi host system configuration will need to be restored to the factory configuration to fix the issue.
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What is true about resource pools created on a Distributed Resource Scheduler (DRS) cluster?___
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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.
【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
