Which configuration command allows the router to utilize a RADIUS server to auth enticate in coming Telnet users？（）

A、aaa new-model

B、aaa telnet login

C、telnet authentication login

D、authentication telnet login

在施工过程中发现设计、配套或业主等存在急需协调解决的问题时，应在第一时间汇报至（）。

A、公司领导

B、建设单位

C、监理单位

D、施工单位

When defining an application for AppFlow acceleration, which two must be configured on the WX device?（）(Choose two.)

Define application type.

Enable AppFlow for the application.

Enable monitoring for the application.

Define source and destination IP addresses.

通信机房基础结构内金属构件的连接应采用土建施工的绑扎法连接或焊接，金属构件之间不必做电气连通。

A、对

B、错

User SCOTT wants to perform a bulk insert operation in the EMP_DEP table. SCOTT receives thefollowing error after the INSERT statement is issued and few rows are inserted： INSERT INTO EMP_DEP （emp_id，name，salary，dep_name，mgr_id） *  ERROR at line 1：  ORA-01653： unable to extend table SCOTT.EMP_DEP by 128 in tablespace USERS Identify two actions either of which will help you resolve this problem.（）

Grant the RESOURCE role to SCOTT.

Add data files to the USERS tablespace.

Grant the CREATE ANY TABLE privilege to SCOTT.

Increase the space for SCOTT on the USERS tablespace.

Increase the size of the data file associated with the USERS tablespace

请问用DDA方法计算像素位置有什么优点与缺点？