题目内容

预防瓦斯爆炸的"三道防线"是什么?

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You are designing a DNS name resolution strategy to allow all users access to internal and external web sites. What should you do?()

Allow zone transfers to any DNS server.
B. Create a new stub zone for the DNS zone on the DNS server.
Configure the DNS server to forward all unanswered queries to a DNS server located at the IS
D. Add the DNS server located at the ISP to the list of name servers for the fourthcoffee.com DNS zone.

博士学位论文答辩不合格的,经论文答辩委员会同意,可在2年内修改论文,重新答辩一次。

A. 正确
B. 错误

当装备作退役或报废处理时,由中队提出申请,经支队后勤部门组织技术鉴定和审查后,报支队党委审批。

A. 正确
B. 错误

买卖双方约定由卖家采用A快递发货,买家支付邮费10元,因卖家失误使用B快递发货,买家签收商品后,10元邮费由谁承担?()

A快递
B快递
C. 买家
D. 卖家

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