软考真题
首页
题库
登录
第34题
For data transmission to be successful, sending and receiving devices must follow a set of communication rules for the exchange of information. These rules are known as
( )
.
A.
E-mail
B.
Internet
C.
network
D.
protocols
答题卡
加油
计算器
纠错
草稿纸
得分:0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59