简述维系和挽留的策略。

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问题:

简述维系和挽留的策略。

考点:电信业务技能考试高级电信业务员高级电信业务员题库
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分散管理的数据的土要特性是数据在 【18】 产生和使用。

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下列能正确表示水解的离子方程式是(   )

A.CH3COOH + H2O CH3COO- + H3O+

B.Br- + H2O HBr + OH-

C.CO32- + 2H2O H2CO3 + 2OH-

D.NH4+ + H2O NH3·H2O + H+

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岭南近代文化精神,特别是岭南文化的核心()精神非常适合成为引导当代大学生融入大学生活,积极向上一种指导思想。

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Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal ______ . Some routing protocols can even use multiple paths when paths have an unequal cost. In either case, load ______ can improve overall allocation of network bandwidth. When multiple paths are used, there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing. Per-packet load balancing distributes the ______ across the possible routes in a manner proportional to the route metrics. Per-destination load balancing distributes packets across the possible routes based on ______.

A. resources B. bits C. frames D. packets

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气之主为()

A.肺

B.心

C.肝

D.肾

E.脾

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