【单选题】
Users of an application are reporting performance issues. The following performance values are observed in the vSphere Web Client: <Host CPU utilization is 90%> <Virtual Machine memory utilization is consistently greater than 90% CPU Ready values are higher than 20%> What could be the cause of the application performance issue? ___
A. The host is lacking the CPU resources required to meet the demand.
B. The host is lacking the memory resources required to meet the demand.
C. The virtual machine is lacking the CPU resources required to meet the demand.
D. The virtual machine is lacking the memory resources required to meet the demand.
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相关试题
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
【单选题】
An administrator is re-provisioning an ESXi host and moving it to another datacenter. Which DCUI option should the administrator use to revert the system configuration to the default settings? ___
A. Reset System Configuration
B. Rebuild Default System Configuration
C. Revert System Configuration
D. Renew Default System Configuration
【单选题】
An administrator has just completed installing an ESXi 6.x host, but doesn't know what address has been configured. Where is the ESXi host IP address configured? ___
A. RVC console
B. Direct Console User Interface
C. vSphere Web Client
D. vSphere Client
【单选题】
When is it possible to place a VMFS5 datastore in maintenance mode? ___
A. When it is a member of a Storage DRS cluster
B. When it is a member of Virtual SAN cluster
C. When it is a member of a multi-extent datastore
D. When it is a member of a Virtual Volume
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Which Single Sign-On deployment mode should an administrator use for two 6.x vCenter Servers configured with linked mode? ___
A. Basic Single Sign-On with vCenter Server Heartbeat
B. Multisite Single Sign-On
C. Basic Single Sign-On
D. Single Sign-On with Linked Mode
【单选题】
What is required when changing a virtual machine name using the vSphere Web Client? ___
A. Verify connectivity to the ESXi host where the virtual machine is running and its inventory list is accessible.
B. Verify in which datastore the virtual machine resides and that you have access and its inventory list is accessible.
C. Verify that virtual machine files are stored in the same datastore and can be accessed in the datastore browser list.
D. Verify the virtual machine is not running in Fault Tolerant mode and that it is not in a Distributed Resource Scheduler cluster.
【单选题】
An administrator deploys vRealize Operations into a vSphere 6.x environment. After the deployment, the administrator notices that badges are not appearing. What is a likely cause of this behavior? ___
A. Badges do not appear until you register vRealize Operations with vCenter Server.
B. Badges do not appear until you register a vCenter Server in vRealize Operations.
C. The vRealize Operations appliance needs to be redeployed.
D. The vCenter Server appliance needs to be redeployed.
【单选题】
How are ports scaled on vSphere Standard Switches (vSS)? ___
A. Ports on a vSS can be dynamically scaled up and down.
B. Ports on a vSS can only be statically scaled up or down.
C. Ports on a vSS can only be dynamically scaled down.
D. Ports on a vSS can only be dynamically scaled up.
【单选题】
A High Availability (HA) cluster is configured to respond to a given number of host failures. The cluster contains virtual machines configured with these settings: VM1 has a 1GHz CPU reservation and no Memory reservation VM2 has a 2GHz CPU reservation and no Memory reservation VM3 has no CPU reservation and no Memory reservation . Given this information, what is the correct slot size for the cluster? ___
A. The CPU Reservation should be set to 32MHz and the memory reservation should be set to 32MB plus memory overhead.
B. The CPU reservation should be set to 1 GHz and the memory reservation should be set to 0MB plus memory overhead.
C. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 0MB plus the virtual machine memory overhead.
D. The CPU reservation should be set to 2 GHz, and the memory reservation should be set to 32MB, plus the virtual machine memory overhead.
【单选题】
An administrator is planning a vSphere infrastructure with the following specific networking requirements: <The ability to shape inbound (RX) traffic> <Support for Private VLANs (PVLANs)> <Support for LLDP (Link Layer Discovery Protocol)>. What is the minimum vSphere Edition that will support these requirements? ___
A. vSphere Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
When you add an ESXi 6.x host to a new Cluster, which vSphere object owns the CPU and Memory resources of the hosts? ___
A. vCenter Server
B. Datacenter
C. Cluster
D. Host
【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.
【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.
推荐试题
【单选题】
引起心肌病变的各种病因中目前国内外最常见的是___
A. 原发性心肌病
B. 冠状动脉粥样硬化性心脏病
C. 病毒性心肌炎
D. 风湿性心肌炎
E. 中毒性心肌炎
【单选题】
心绞痛发作的典型部位是___
A. 心尖区
B. 心前区向左上臂放散
C. 胸骨下段后
D. 胸骨上、中段后
E. 剑突下
【单选题】
诊断典型心绞痛下列哪项最有特征___
A. 胸痛多在夜间发作
B. 多在15分钟以上
C. 持续左前胸憋闷感
D. 疼痛时心电图示ST段拾高
E. 含硝酸甘油5分钟内疼痛消
【单选题】
目前发现心肌缺血及诊断心绞痛最常用的无创性___
A. 心电图
B. 放射性核素
C. 二维超声心动图
D. 冠状动脉造影
E. 胸片
【单选题】
急性心肌梗死与心绞痛的主要鉴别点是___
A. 疼痛的部位
B. 疼痛的性质
C. 是否伴有多源性期前收缩
D. 是否伴有ST段拾高
E. 肌钙蛋白升高
【单选题】
下列情况合并心绞痛时不宜应用硝酸甘油的是___
A. 冠心病
B. 主动脉瓣关闭不全
C. 心梗后心绞痛
D. 严重贫血
E. 肥厚型梗阻性心肌病
【单选题】
以下调节血脂的药物中，治疗高胆固醇血症的首选药物是___
A. 普罗布考
B. 考来替泊
C. 洛伐他汀
D. 吉非贝齐
E. 阿昔莫司
【单选题】
横纹肌溶解症是下列哪种降脂药的不良反应___
A. HMG-CoA还原酶抑制剂
B. 弹性酶
C. 烟酸及衍生物
D. 贝丁酸类
E. w-3脂肪酸
【单选题】
下列关于他汀类药物不正确的是___
A. 可与胆酸鳌合剂合用
B. 只有同烟酸、吉非贝齐等合用时才可出现横纹肌溶解症
C. 首选用于高胆固醇血症或以高胆固醇为主的混合型高脂血症
D. 宜从小剂量开始
E. 宜晚间服用
【单选题】
急性上呼吸道感染最常见的病原体是___
A. 细菌
B. 病毒
C. 真菌
D. 寄生虫
E. 支原体
【单选题】
治疗急性上呼吸道感染的复方制剂常用的给药方法是___
A. 吸入
B. 肌内注射
C. 口服
D. 静脉滴注
E. 皮下注射
【单选题】
下列预防小儿上呼吸道感染的措施不当的是___
A. 提高耐寒力
B. 加强体格锻炼
C. 提倡母乳喂养
D. 防治佝偻病、营养不良等
E. 注射丙种球蛋白
【单选题】
支气管哮喘发作时禁用___
A. 肾上腺素
B. 麻黄碱
C. 普诺奈尔
D. 倍氯米松
E. 氨茶碱
【单选题】
氨茶碱不宜用于___
A. 支气管哮喘
B. 心性水肿
C. 心绞痛
D. 心源性哮喘
E. 过敏性哮喘
【单选题】
关于特布他林的叙述正确的是___
A. 为选择性的β2受体激动剂
B. 心血管的副作用小
C. 可用于支气管哮喘治疗
D. 给药方便口服、吸人、皮下注射均可
E. 以上均是
【单选题】
关于氨茶碱的描述错误的是___
A. 可松弛支气管平滑肌
B. 静注速度过快可引起心律失常
C. 口服有局部刺激性，宜饭后服用
D. 有强心利尿作用
E. 为各种哮喘发作治疗的首选药
【单选题】
支气管哮喘的本质是___
A. 一种自身免疫性疾病
B. 气道慢性炎症
C. 支气管平滑肌可逆性痉挛
D. 支气管平滑肌内β2受体功能低下
E. 肥大细胞膜上M胆碱能受体功能亢进
【单选题】
当支气管哮喘与心源性哮喘时难以鉴别时，为缓解症状可使用的药物为___
A. 毛花苷丙
B. 肾上腺素
C. 氨茶碱
D. 吗啡
E. 呋塞米
【单选题】
与消化性溃疡发病有关的细菌是___
A. 大肠埃希菌
B. 克雷伯杆菌
C. 幽门螺杆菌
D. 溶血性链球菌
E. 铜绿假单胞菌
【单选题】
在消化性溃疡形成过程中起决定性作用的因素是___
A. 胃酸
B. 胃蛋白酶
C. 饮食不规则
D. 精神因素
E. 遗传因素
【单选题】
解热镇痛药叁与消化性溃疡病形成的机制是影响了___
A. 黏液-HCO2屏障的功能
B. 黏膜的血运
C. 前列腺素的合成
D. 细胞的更新
E. 表皮生长因子的产生
【单选题】
治疗十二指肠溃疡病的药物疗程为___
A. 2~3周
B. 3~4周
C. 4～6周
D. 5~ 7周
E. 6~ 8周
【单选题】
下列治疗消化性溃疡的药物中，抑酸最强、疗效最佳的是___
A. 西咪替丁
B. 阿托品
C. 硫糖铝
D. 奥美拉唑
E. 胶体次枸橼酸铋
【单选题】
通过抑制H+、K*-ATP酶而用于治疗消化性溃疡的药物是___
A. 异丙嗪
B. 肾上腺皮质激素
C. 雷尼替丁
D. 奥美拉唑
E. 苯海拉明
【单选题】
初次诊断活动期十二指肠溃疡，下列治疗中最适合的是___
A. 联合应用两种黏膜保护剂
B. 促动力剂+H2受体拮抗剂
C. 质子泵抑制剂+黏膜保护剂
D. 质子泵抑制剂+两种抗生素
E. 抗酸剂
【单选题】
关于消化性溃疡的治疗，正确的说法是___
A. 需长期应用黏膜保护剂以降低溃疡复发率
B. 为降低复发率，需长期服用质子泵抑制剂
C. 只要内镜证实溃疡已经愈合，溃疡就不会复发
D. 根除幽门螺杆菌可以降低溃疡复发率
E. 有消化道出mL的溃疡患者必须长期维持治疗
【单选题】
溃疡病活动期患者不宜服用___
A. 胶体铋
B. 前列腺素制剂
C. 痢特灵
D. 硫糖铝
E. 布洛芬
【单选题】
消化性溃疡合并出血时，下列止血治疗措施中最有效的是___
A. 口服去甲肾上腺素盐水溶液
B. 口服凝血酶盐水溶液
C. 口服氢氧化铝凝胶
D. 静脉注射雷尼替丁
E. 静脉注射奥美拉唑
【单选题】
下列哪种药物对Hp无治疗作用?___
A. 呋喃唑酮
B. 替硝唑
C. 羟氨苄青霉素
D. 多潘立酮
E. 胶体次枸橼酸铋
【单选题】
男性，40岁。患胃溃疡2年，加重二月，服药治疗后腹痛缓解，但大便次数增加，为不成形黄软便。此副作用为下列何种药物所致:___
A. 奥美拉唑
B. 胶体次枸橼酸铋
C. 硫糖铝
D. 前列腺素E2
E. 甲硝唑
【单选题】
下列哪项是最常见的消化系统疾病___
A. 消化性溃疡
B. 胃出血
C. 胃癌
D. 反流性食管炎
E. 急性胃肠炎
【单选题】
急性胃肠炎常因为___
A. 吃被腐蚀的食物
B. 吸烟
C. 饮酒过度
D. 遗传
E. 食用含脂肪酸过多的食品
【单选题】
下列关于急性胃肠炎的治疗不正确的是___
A. 止腹痛
B. 止泻
C. 止吐
D. 补液
E. 抑制胃酸分泌
【单选题】
贫血是循环血液中___
A. 红细胞数低于正常
B. 白细胞数低于正常
C. 红细胞数及血红蛋白量低于正常
D. 血小板数低于正常
E. 循环血量较正常者减少
【单选题】
治疗缺铁性贫血的主要目的是___
A. 血红蛋白恢复正常
B. 血清铁水平恢复正常
C. 补足贮存铁
D. 红细胞数恢复正常
E. 血清铁和总铁结合力均恢复正常
【单选题】
铁制剂治疗缺铁性贫血，其疗效指标最早出现的是___
A. 血红蛋白上升
B. 红细胞数上升
C. 红细胞体积上升
D. 红细胞直径增大
E. 网织红细胞数上升
【单选题】
铁制剂与下列哪种物质同服能促进吸收___
A. 维生素c
B. 四环素
C. 浓茶
D. 氢氧化铝凝胶
E. 牛奶或豆浆
【单选题】
泌尿道感染的途径主要是___
A. 血行感染
B. 上行感染
C. 下行感染
D. 淋巴感染
E. 周围组织感染蔓延而来
【单选题】
急性膀胱炎的表现不包括___
A. 尿频、尿急、尿痛
B. 排尿不畅、下腹不适
C. 尿含菌量增高
D. 管型尿、发热、腰痛
E. 以上均不正确
【单选题】
急性膀胱炎最主要的致病菌是___
A. 真菌
B. 葡萄球菌
C. 大肠埃希菌
D. 铜绿假单胞菌
E. 克雷伯菌
