思科认证考试
What are two steps that are taken when a router converts a voice signal from analog to digital form？（）A、samplingB、packetizationC、quantizationD、serialization
题目
What are two steps that are taken when a router converts a voice signal from analog to digital form？（）
- A、sampling
- B、packetization
- C、quantization
- D、serialization
相似问题和答案
第1题：
What can we learn about “Versed”?
A. It consists of three parts.
B. It is mainly about the American army.
C. It is a book published two decades ago.
D. It partly concerns the poet’s own life.
细节理解题。根据文章中的The second half looks at the dark forces casting a shadow over her own life after Armantrout was diagnosed with cancer in 2006.可知D项正确。
第2题：
I don't know(). I just arrived here two minutes ago.
A. what's going on
B. how is going on
C. who is going on
第3题：
(A)Is it too far to walk?
(B) Do you know where is the public bathroom?
(C) What do I do after walking two blocks along the street?
(D) What’ s the best way to the public bathroom?
正确答案：A
解答参考：A。本题回答为根本不远，只隔两个街区。选项A走路去远吗?意义正好衔接。选项B你知道公共浴室在哪儿吗?，选项C顺着这条路两个街区后该怎么走?，选项D怎么去公共浴室最近?在上下文意思上都无法衔接。
第4题：
A、What's your last name?
B、What's your family name?
C、What's your name?
D、What's your first name?
第5题：
–– Robert: I’m going to the cinema this evening.
–– Bill: ____
–– Robert: It ’s a Western “Cowboy Comes Home ”.
A: What’s on?
B: What’s in?
C: What is acted?
D: What is perform?
第6题：
What is the decimal value of the following 32-bit two's complement number?1111 1111 1111 1111 1111 1111 1100
A．-8
B．-4
C．4
D．8
第7题：
A、What can I do for you?
B、Just a minute, please.
C、What’s the matter?
D、At your service.
第8题：
A.Could you do me a favor?
B.How is everything going?
C.What’s going on?
第9题：
-________?
-It's Sunday.
A、What day is it today
B、What date is it today
C、What's the date
D、What's day
第10题：
A.LAN
B.QoS
C.traffic
D.IPSec