【单选题】
当材料处于___拉伸应力作用下，往往容易发生脆性断裂。
A. 单向
B. 双向
C. 三向
D. 双向或三向
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答案
D
解析
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相关试题
【单选题】
焊接时常见的焊缝内部缺陷有___等。
A. 弧坑、夹渣、夹钨、裂纹、未熔合和未焊透
B. 气孔、咬边、夹钨、裂纹、未熔合和未焊透
C. 气孔、夹渣、焊瘤、裂纹、未熔合和未焊透
D. 气孔、夹渣、夹钨、裂纹、未溶合和未焊透
【单选题】
80.为了提高焊接生产的综合经济效益，除掌握材料和能源消耗之外，还应掌握___
A. 市场动态信息
B. 质量反馈信息
C. 焊接生产人员情况信息
D. 新材料、新工艺、新设备应用信息
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A vSphere Administrator must ensure that a user is able to view and manage the system configuration in vSphere Web Client. In the vCenter Single Sign-On domain, which group should the user be a part of?___
A. SystemConfiguration.BashShellAdministrators
B. ComponentManager. Administrators
C. Administrators
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【单选题】
What is the minimum number of hosts that must contribute capacity to a non-ROBO single site VMware vSAN cluster?___
A. 1
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Which guest operating system supports PVRDMA?___
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What is the correct way to replace the certificate on an existing vCenter Server that is part of a vCenter HA configuration?___
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B. Shut down Passive and Witness nodes and replace the certificate on the Active node.
C. Remove the Passive and Witness nodes, replace the certificate, reconfigure the cluster.
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The vSphere Data Protection performance analysis results in the “Conditionally Passed” status. What can cause this condition?___
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D. The read and write tests were successful but the seek test skipped.
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A vSphere Administrator wants to reserve 0.5 Gbps for virtual machines on each uplink on a disturbed switch that has 10 uplinks. What is the quota that should be reserved for the network resource pool?___
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C. Remove permission for contractors on the cluster level. Apply permission on the critical VMs for noncontractors.
D. Apply permission for both contractors and non-contractors on the VMs. Remove permission on the critical VMs for contractors.
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In an ESXi 6.5 cluster only "NFS datastore has running or registered virtual machines" returns. A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure. Which statement is true if a fifth host is added?___
A. CPU and Memory capacity will be set to 50%.
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【单选题】
Which command can be run to troubleshoot connectivity problems with vmkernal network interfaces?___
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What counter should an administrator check to determine if a virtual machine is ballooning?___
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Which metric in the Exhibit would identify high latency for a virtual machine operating system?___
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What VM Monitoring setting would ensure that the failure interval for a virtual machine is defined as 120 seconds?___
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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?___
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What is the result of a “Consolidate” action on a virtual machine?___
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How can a vSphere administrator ensure that a set of virtual machines run on different hosts in a DRS cluster?___
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vCenter Server Appliance Instance can be backed up using which Client Interface?___
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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.
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Which is the correct order for upgrading vSphere components?___
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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?___
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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?___
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Which is the block size on the VMFS6 datastore?___
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When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?___
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Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
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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?___
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C. /var/log/hostd.log
D. /var/log/auth.log
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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?___
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B. vSphere 6.5 automates iSCSI configurations.
C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
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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?___
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Which is required for configuring iSCSI Software Adapter network port binding?___
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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.
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In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
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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"
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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?___
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B. Disconnect and reconnect the physical network cable.
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D. Disable the Distributed Switch MTU.
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Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
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Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
A. /var/log/vmware/vpxd/
B. /var/log/messages
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D. /var/log/vmware/vsan-health/
