Choose the true statement regarding QoS pre-classify.（） QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.。 QoS pre-classify is required when encrypting voice.。 QoS pre-classify is an advantage to Service Providers transporting encrypted packets.。 QoS pre-classify is not designed for IPSec/GRE configurations.。
间隙固溶体
Your company’s network includes a main office and several branch offices. The branch offices are connected to the main office by high-latency links. All client computers run Windows 7 Enterprise， and all servers run Windows Server 2008 R2. No servers are located in the branch offices. Client computers in the branch offices frequently access a specific group of files on a file server named Server1. These access requests consume significant amounts of bandwidth and reduce the speed of higher-priority traffic. You need to reduce the bandwidth that is consumed by requests for frequently accessed files. What should you do？（） Configure BranchCache in Hosted Cache mode on client computers in the main office and the branch offices.。 Configure BranchCache in Distributed Cache mode on client computers in the main office and the branch offices.。 Enable the BranchCache For Network Files role service on Server1. Configure BranchCache in Hosted Cache modon client computers in only the branch offices.。 Enable the BranchCache For Network Files role service on Server1. Configure BranchCache in Distributed Cache mode on client computers in only the branch offices.。
为了保证连接导线的机械高度，导线的截面积最小不低于（）平方毫米. 0.5。 0.1。 1.0。 2.0。
数据仓库的发展可以分成几个阶段（） 3。 4。 5。 6。
影响抑郁复发的因素有（）
