You need to configure the DNS server to allow delivery of e-mail messages. Which four actions should you perform?()
A. Create a host (A) resource record for EX1.fourthcoffee.com on the internal DNS Server
B. Create a host (A) resource record for EX1.fourthcoffee.com on the external DNS Server
Create a host (A) resource record for EX3.fourthcoffee.com on the internal DNS Server
D. Create a host (A) resource record for EX3.fourthcoffee.com on the external DNS Server
E. Create a mail exchange (MX) resource record for EX1.fourthcoffee.com on the external DNS server. Set the preference to 10
F. Create a mail exchanger (MX) resource record for EX1.fourthcoffee.com on the internal DNS server. Set the preference to 10
G. Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the external DNS server. Set the preference to 20
H. Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the internal DNS server. Set the preference to 20
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特高压直流试验基地具备特高压()等方面的全方位试验研究能力。
A. 电磁环境
B. 外绝缘
C. 系统运行安全
D. 设备试验技术与运行特性
联名账户定期存款的支取只能采取“共同办理”方式,且必须一次全额支取账户内款项。()
A. 正确
B. 错误
女,36岁,突发尿频,尿急和尿痛,伴下腹疼痛。经B超发现右肾中度积水,不合适的处理是()
A. IVP
B. KUB
C. 血常规
D. 核素肾扫描
E. 膀胱镜+右肾逆行造影
制动盘摩擦面不允许有明显的台阶与沟槽、拉伤,但允许有1mm深的擦伤和小于()mm的凹面。
A. 1
B. 2
C. 3