配置DHCP中继代理服务的文件是（） A: etc/systemd/system/dhcrelay.service B: etc/systemd/systemd/dhcrelay.service C: etc/system/systemd/dhcrelay.service D: etc/system/system/dhcrelay.service

【单选题】Which service is not the service in housekeeping department? A. Laundry service B. turn-down service C. morning call service D. luggage service

Which of the following is mandatory service of Inmarsat-C system? A: SafetyNET service B: FleetNET service C: Short range service D: Long range service

New service development needs to consider both service content and service process.

（）：a cloud service,allied to the set of business terms under which the cloud service is offered. A: Cloud service B: Cloud service product C: Product catalogue D: Service catalogue

【单选题】Which of the following is NOT a recognized definition of customer service? A. Customer service as an activity B. Customer service as a theory C. Customer service as performance measures D. Customer service as a philosophy

Except __________, there are three public utilities. A: public water service B: public gas service C: public heat service D: public electricity service

The quality of service provided to guests in any type of hospitality operation is influenced most by （）and （）. A: The staff members providing the service B: The standards of service C: Guests'expectations for Service D: The processes they use to provide the service

Question 15 A: best server B: better service C: best service D: good service

重启DHCP服务器的命令是（ ） A: service dhcpd start B: service dhcpd restart C: service dhcpd status D: service dhcpd stop