【名词&注释】
复杂度(complexity)、网络营销(network marketing)、优缺点(advantages and disadvantages)、触发器(trigger)、关键字、正确性(correctness)、程序验证(program verification)、应试者(examinee)、基数排序(radix sorting)、插入排序(insertion sort)
[单选题]下面哪一项不是VPN协议标准：()
A. L2TP
B. ipsec
C. TACACS+
D. PPTP
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举一反三：
[单选题]若待排序的记录数目较少且已按关键字基本有序，则宜采用______排序算法。
A. 快速排序
B. 插入排序(insertion sort)
C. 选择排序
D. 冒泡排序
[单选题]不能激活触发器执行的操作是(55)。
A. DELETE
B. UPDATE
C. INSERT
D. SELECT
[单选题]When most people refer to multimedia, they generally mean the combination of two or more continuous media, usually with some user(115). In practice, the two media are normally audio and video, this is,(116)plus moving(117).It should be' obvious by now that transmitting multimedia material in uncompressed form. is completely out of(118). The only hope is that massive compression is possible. Fortunately, a large body of research over the past few decades has led to many compression techniques and algorithms that make multimedia transmission(119).
A. display
B. games
C. help
D. interaction
E. pictures
[单选题]●以下关于网络营销的叙述中，错误的是(43)。(43)
A. 网络营销的核心是实现电子化交易
B. 网络营销不能替代传统营销
C. 网络营销为促成商务交易提供支持
D. 网络营销不一定能实现网上直接销售
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