众所周知，春节是我国的第一大节日，而（）是继春节后的第二大节日。
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热继电器是利用流过继电器的电流所产生的热效应而 （）动作的继电器。
A. 定时限
B. 延时限
C. 反时限
Which two are valid agent interfaces for Cisco Unified Contact Center Express?（）
A. Macintosh workstation with Cisco IP Phone Agent
B. Linux workstation running CAD with IP Communicator
C. Linux workstation running CAD with Cisco Unified IP Phone 7960G
D. Citrix Terminal running CAD with IP Communicator
E. Citrix Terminal with Cisco IP Phone Agent
F. Windows workstation running CAD with Media Termination optio
加强政府自身建设要求必须按照“（）、清廉”的要求，切实加强政府自身建设，不断增强全体公务员的服务意识。
A. 诚信、勤奋
B. 为民、务实
C. 为民、勤奋
D. 诚信、务实
Your network contains an Active Directory domain named contoso.com. You remove several computers from the network. You need to ensure that the host （A） records for the removed computers are automatically deleted from the contoso.com DNS zone. What should you do（）
A. Configure dynamic updates.
B. Configure aging and scavenging.
Create a scheduled task that runs the Dnscmd /ClearCache command.
D. Create a scheduled task that runs the Dnscmd /ZoneReload contoso.com command.
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