填空题DWDM系统是指波长间隔相对较小，波长复用相对密集，各信道共用光纤一个（）窗口，在传输过程中共享光纤放大器的高容量WDM系统。
填空题
DWDM系统是指波长间隔相对较小，波长复用相对密集，各信道共用光纤一个（）窗口，在传输过程中共享光纤放大器的高容量WDM系统。
参考解析
解析：
暂无解析
相关考题：
多选题新课程标准制定后，大量配套新教材也相继上市，对教师的教育技术能力要求也随之提高。下面有关教育技术能力要求的说法哪些是正确的？（）A树立为学生服务的思想，要成为学生学习的引导者和课堂教学的组织者B要使用尽可能多和先进的教学媒体来丰富课堂教学，体现现代化的教学C教学中，最大化使用多种教学活动形式，越丰富越好D使用合理的教学评价方式，促进学生有效的学习，激发学生的学习动机E要注重培养学生多方面的能力，促进学生的全面发展
单选题Your network environment includes two Windows Server 2008 R2 Hyper-V servers and one VMware ESX 3.5 host server. You are designing a Microsoft System Center Virtual Machine Manager （SCVMM） 2008 R2 implementation to manage your network environment. SCVMM must be able to perform management tasks that require file transfer operations between your VMware server and your Windows servers. You need to configure the ESX host server to ensure that file transfer operations are encrypted， and follow security best practices. What should you do？（）AUse the default root credentials as the virtual machine delegate， and enable SSH root loginBCreate a new virtual machine delegate account， add the account as a member of the VMware Administrators role， and enable SSH root loginCCreate a new virtual machine delegate account， add the account as a member of the VMware Administrators role， and disable SSH root loginDUse the default root credentials as the virtual machine delegate， and disable SSH root login
单选题所有对无线机柜供电的直流开关要符合爱立信公司的技术要求，不能采用过大或过小的其它熔丝开关代替。对于RB.S200型和RB.S2000型机柜，要求开关容量为（）。A50B80C100D150
单选题You design a Business Intelligence （BI） solution by using SQL Server 2008. The solution includes a SQL Server 2008 Reporting Services （SSRS） infrastructure in a scale-out deployment. All reports use a SQL Server 2008 relational database as the data source. You implement row-level security. You need to ensure that all reports display only the expected data based on the user who is viewing the report. What should you do？（）A Store the credential of a user in the data source.B Configure the infrastructure to support Kerberos authentication.C Configure the infrastructure to support anonymous authentication by using a custom authentication extension.D Ensure that all report queries add a filter that uses the User.UserID value as a hidden parameter.
多选题下列关于内部审计准则的说法中，正确的有（）。A内部审计准则是内部审计人员在执业过程中的行为标准B内部审计准则是衡量内部审计工作质量的准绳C内部审计准则是管理层的行为标准D内部审计准则是衡量管理层工作质量的准绳
多选题下述数列中，属于分配数列的有（）。A品质数列B动态数列C变量数列D单项式数列E异距数列