1、以下属于SLA光源系统的有（）。A．气体激光器B．固体激光器C．半导体激光器D．普通紫外灯
1、以下属于SLA光源系统的有（）。
A．气体激光器
B．固体激光器
C．半导体激光器
D．普通紫外灯
参考答案和解析
气体激光器;固体激光器;半导体激光器;普通紫外灯
相关考题：
The following configuration commands exist only in an implementation plan document. An engineer does a copy/paste of these commands into configuration mode on Router R1. Which of the following answers is m ost accurate regarding the results?（）ip sla1icmp - echo 1.1.1.1 source -ip 2.2.2.2ip sla schedule 1 start - time now life foreverA. The SLA operation will be configured but will not start until additional commands are usedB. The SLA operation is not comp letely configured so it will not collect any datAC. The SLA operation is complete and working, collecting data into the RTTMON MIBD. The SLA operation is complete and working but will not store the data in the RTTMON MIB without more configuration
关于QoS中的SLA和TCA的关系说法正确的有（）。A、SLA就是TCAB、SLA中可以包含TCAC、SLA指明的是比较一般的内容，例如采用什么样的机制D、TCA比较具体，例如具体的带宽要求
On a router that is configured with multiple IP SLA probes， which command can be used to manage the CPU load that was created by the periodic probing？（）A、ip sla monitor low-memoryB、ip sla group scheduleC、ip sla reaction-triggerD、ip sla enable timestamp
Which three of these statements about the IP service level agreement （SLA） sender are true？ （）A、SLA sender target can be an IP hostB、SLA sender sends a probe packet and a response probe packetC、SLA sender sends a probe packetD、SLA sender target must be a routerE、SLA sender target can be an IP SLA responder
单选题Which configuration would make an IP SLA probe use a precedence value of 3？（）Aip sla 1icmp-echo 1.1.1.1 tos 12Bip sla 1icmp-echo 1.1.1.1 tos 96Cip sla 1icmp-echo 1.1.1.1 precedence 3Dip sla 1icmp-echo 1.1.1.1 dscp 12
单选题The following configuration commands exist only in an implementation plan document. An engineer does a copy/paste of these commands into configuration mode on Router R1. Which of the following answers is m ost accurate regarding the results?（） ip sla 1 icmp - echo 1.1.1.1 source -ip 2.2.2.2 ip sla schedule 1 start - time now life foreverAThe SLA operation will be configured but will not start until additional commands are usedBThe SLA operation is not comp letely configured so it will not collect any datACThe SLA operation is complete and working, collecting data into the RTTMON MIBDThe SLA operation is complete and working but will not store the data in the RTTMON MIB without more configuration
多选题根据自然属性，光源可以分为自然光源和人工光源，以下选项中属于人工光源的是（）A电光源B萤火虫光C火焰光D星光