问答题Practice 2 (1) In order to communicate thoughts and feelings, there must be a conventional system of signs or symbols which mean the same to the sender and the receiver. The means of sending communications are too numerous and varied for systematic cl
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第1题：
Under normal conditions, the act of communication requires the presence of at least two persons: one who sends and one who receives the communication. In order to communicate thoughts and feelings, there must be a conventional system of signs or symbols that mean the same to the sender and the receiver.
The means of communication are too numerous and varied for systematic classification; therefore, the analysis must begin with the means of receiving communication. Reception of communication is achieved by our senses. Sight, hearing, and touching seem to play the most important roles. Smell and taste play very limited roles, for they cannot receive intellectual expression from fully developed systems of sings and symbols.
Examples of visual communication are gesture and imitation. Although both frequently accompany speech, there are systems that rely solely on sight, such as those used by deaf, and dumb persons. Another means of communicating visually is by signals of fire, smoke, flags, or flashing light. Feelings may be simply communicated by touch, such as by handshaking or backslapping, although a highly developed system of hand-stroking has enabled blind, deaf, and dumb persons to communicate intelligently. Whistling to someone, applauding in a theater, and other forms of communication by sound rely upon the ear as a receiver. The most fully developed form. of auditory communication is, of course, the spoken language.
The means of communication mentioned so far have two features in common: they last only a short time, and the persons involved must be relatively close to each other. Therefore, all are restricted in time and space.
1、Reception of communication______ .
A、is more important than sending messages
B、 depends on two persons
C、 involves use of the senses
D、 play only limited roles
2、Applauding is specifically mentioned as an example of ______.
A、communication by sound
B、 gesture and imitation
C、 communication by sending a message
D、 communication between the listener and speaker
3、Persons who cannot see, hear, or speak are able to communicate through ______.
A、gesturing
B、handshaking
C、smelling
D、hand-stroking
4、The author specifically mentions that speech is______
A、often used when other means are impossible
B、necessary for normal communication
C、the only highly developed system of communication
D、the most developed form. of communication based on hearing
5、According to the passage, means of communication _________
A、can develop quickly if there is enough time and space
B、all have the same features
C、have some limitations even if they are fully developed
D、depend on the persons involved
正确答案：1C 2A 3D 4D 5C
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第2题：
What are two routing requirements for a device to communicate with another device?()A. end-to-end communications path
B. hosts on the same Layer 2 broadcast domain
C. hosts on the same Layer 3 broadcast domain
D. routing information on participating Layer 3 devices
参考答案：A, D
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第3题：
A "trusted" client needs to communicate with a server that has been configured to use CLIENT authentication. Which of the following will be used to verify passwords?()A.User ID/password file
B.Communications layer
C.Client applications
D.Operating system
参考答案：D
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第4题：
Anytime a host or a router has an IP datagram to send to another host or router, it has the（ ）address of the receiver. This address is obtained from the DNS if the sender is the host or it is found in a routing table if the sender is a router. But the IP data gram must be（ ） in a frame to be able to pass through the physical network. This means that the sender needs the （ ）address of the receiver. The host or the router sends an ARP query packet. The packet includes the physical and IP addresses of the sender and the IP address of the receiver. Because the sender does not know the physical address of the receiver, the query is（ ） over the network.Every host or router on the network receives and processes the ARP query packet, but only the intended recipient recognizes its IP address and sends back an ARP response packet.The response packet contains the recipient's IP and physical addresses. The packet is（请作答此空） directly to the inquirer by using the physical address received in the query packet.
A. multicast
B. unicast
C. broadcast
D. multiple unicast答案：B解析：任何时候主机或路由器要发送 IP 数据报发送给另一主机或路由器时，都需要知道接收方的逻辑地址。发送主机从 DNS 获得该地址，发送路由器则在路由表中找到该地址。但 IP 数据报必须封装在帧中才能通过物理网络。这意味着发送者需要知道接收者的物理地址。主机或路由器需发送 ARP 查询报文，该报文分组包含发送者的物理地址和 IP 地址及接收者的 IP 地址。这是因为送者不知道接收者的物理地址，所以需在全网广播报文。网络上的每个主机或路由器都能接收并处理该 ARP 查询报文，但只有预期的接收者识别其 IP 地址并响应该 ARP 报文。响应报文包含接收者的 IP 地址和物理地址。包含了接收者物理地址的响应报文分组通过单播的方式直接发送给发送者。 -
第5题：
Which two statements are true about TCP communication?（）
- A、The receiver acknowledges the final packet in each communications stream.
- B、The receiver adds sequencing numbers to the packets received.
- C、The sender adds sequencing numbers to the packets it sends.
- D、The receiver acknowledges each packet it receives from the sending device.
正确答案:A,C -
第6题：
A "trusted" client needs to communicate with a server that has been configured to use CLIENT authentication. Which of the following will be used to verify passwords?（）
- A、User ID/password file
- B、Communications layer
- C、Client applications
- D、Operating system
正确答案:D -
第7题：
A System p distribution customer is very concerned about Reliability， Availability and Serviceability （RAS）. They are planning to install several p6 servers in their facilities and want to be able to move an LPAR from one System p to another. Which of the following would accomplish this（）
- A、System p servers using similar SAN storage
- B、System p servers must share an HMC
- C、System p servers must have the same level HMC
- D、System p servers with VIOS
正确答案:B -
第8题：
单选题Which additional application must be installed in order to use WebSMIT？（）AMozilla for AIX
BAn Apache compliant Web server
CWeb Based System Manager （WebSM）
DWebsphere Application Server Community Edition
正确答案： C解析： 暂无解析 -
第9题：
单选题What does the author mean by the statement “children’s literature began to bloom” underlined in Paragraph 2?AQuality illustrations and attractive formats made books more appealing.
BIllustrations often included flowers.
CIt became more varied and attractive.
DIt became more numerous and popular.
正确答案： A解析：
本题是推断题。第一段主要介绍了儿童文学的兴起，第二段提到涌现出许多优秀的儿童作品。由此可以推断出这句话的意思是：在随后的一个世纪，儿童文学开始繁荣。选项D“它（指儿童文学）变得数不胜数而且变得很普及”与画线句子意思吻合。 -
第10题：
单选题Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? （）AContamination of the cargo
BFlash points
CReid vapor pressures
DSpecific gravities
正确答案： A解析： 暂无解析 -
第11题：
问答题Practice 2 (1) In order to communicate thoughts and feelings, there must be a conventional system of signs or symbols which mean the same to the sender and the receiver. The means of sending communications are too numerous and varied for systematic classification. Therefore, the analysis must begin with the means of receiving communication. (2) Reception of communication is achieved by our senses.正确答案：
(1) 为了交流思想和情感,必须有一个对发送者和接受者有着相同含义传统的符号或象征系统。
(2) 人们用感官知觉来接受人际交流。解析： 暂无解析 -
第12题：
问答题Practice 4 Some critics believe that the very concept of intellectual property is mistaken. Unlike physical property, ideas are non-rivalrous goods that can be used by many people at the same time without making them any less useful. The term “intellectual property” was widely adopted only in the 1960s, as a way to bundle trademarks, copyrights and patents. Those critics argue that today’s rights are too strict and make the sharing of knowledge too expensive. The paradox about intellectual property in IT and telecommunications is that it eases the exchange of technology and acts as a bottleneck for innovation at the same time. The whole system is in a stage of transformation. “Markets require institutions, and institutions take a long time to develop. Today, the institutions for a ‘market for technology’ are not well developed, and it is costly to use this market,” says a specialist. Ideas are to the information age what the physical environment was to the industrial one: the raw material of economic progress. Just as pollution or an irresponsible use of property rights threatens land and climate, so an overly stringent system of intellectual-property rights risks holding back technological progress. Disruptive innovation that threatens the existing order must be encouraged, but the need to protect ideas must not be used as an excuse for greed. Finding the right balance will test the industry, policymakers and the public in the years ahead.正确答案： 【参考译文】
一些评论家认为知识产权这个概念本身就不乏谬误。与有形财产不同的是,知识商品可同时供许多人使用而不会产生冲突,其使用价值也不会受到影响。在20世纪60年代,为了将商标、版权和专利权捆绑在一起,才广泛使用了“知识产权”这一提法。评论家们认为,如今的版权过于苛刻,致使分享知识变得代价过高。
在IT和电信领域,知识产权所处境地颇为微妙,既方便科技交流的同时,又为创新制造了瓶颈。整个体系目前正处在转型的阶段。一位专业人士指出,“市场需要制度,而制度的形成需要很长的时间。如今为‘科技市场’服务的制度尚不完备,于是对该市场的使用都代价不菲。”
信息时代离不开创意,就像工业时代离不开物质环境:它们都是经济进步的原材料。正如污染或滥用知识产权会对土地和气候造成威胁一样,过于苛刻的知识产权体系也有可能会阻碍科技进步。挑战现有秩序的颠覆性创新应加以鼓励,但保护创意的需要不能被用来作为贪婪的借口。如何在二者间找到平衡将是今后几年内对业内人士、决策者和公众的一个考验。 解析： 暂无解析 -
第13题：
Which of the following means "收信人"?
A: Recipient
B: Buyer
C: Consumer
D: Sender
正确答案: A
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第14题：
Which two statements are true about TCP communication?()A. The receiver acknowledges the final packet in each communications stream.
B. The receiver adds sequencing numbers to the packets received.
C. The sender adds sequencing numbers to the packets it sends.
D. The receiver acknowledges each packet it receives from the sending device.
参考答案：A, C
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第15题：
Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker?
A.Contamination of the cargo
B.Flash points
C.Reid vapor pressures
D.Specific gravities
正确答案：A
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第16题：
Which of the following is TRUE about the ate program？（）
- A、When running ate for the first time it will prompt for all the required information and configure all the required devices
- B、The program is used by cu to communicate to a remote system
- C、The program is used for remote communications between the host and a remote system using a modem or null modem via a tty port
- D、The program ate calls cu to communicate with the remote system
正确答案:C -
第17题：
Which TWO of the following are required to use the hot-swap memory feature of the x445 while being operating system independent？（）
- A、Memory Mirroring must be enabled in the BIOS.
- B、Redundant bit steering must be enabled in the BIOS.
- C、DIMMs must be the same size and speed as the DIMMs being replaced.
- D、Memory Mirroring must be enabled in the operating system.
- E、DIMMs can be of same size or larger or same speed or faster.
正确答案:A,C -
第18题：
Which additional application must be installed in order to use WebSMIT？（）
- A、Mozilla for AIX
- B、An Apache compliant Web server
- C、Web Based System Manager （WebSM）
- D、Websphere Application Server Community Edition
正确答案:B -
第19题：
What are two routing requirements for a device to communicate with another device?（）
- A、end-to-end communications path
- B、hosts on the same Layer 2 broadcast domain
- C、hosts on the same Layer 3 broadcast domain
- D、routing information on participating Layer 3 devices
正确答案:A,D -
第20题：
单选题Which of the following is TRUE about the ate program？（）AWhen running ate for the first time it will prompt for all the required information and configure all the required devices
BThe program is used by cu to communicate to a remote system
CThe program is used for remote communications between the host and a remote system using a modem or null modem via a tty port
DThe program ate calls cu to communicate with the remote system
正确答案： A解析： 暂无解析 -
第21题：
多选题Which two statements are true about TCP communication?（）AThe receiver acknowledges the final packet in each communications stream.
BThe receiver adds sequencing numbers to the packets received.
CThe sender adds sequencing numbers to the packets it sends.
DThe receiver acknowledges each packet it receives from the sending device.
正确答案： A,B解析： 暂无解析 -
第22题：
多选题Which TWO of the following are required to use the hot-swap memory feature of the x445 while being operating system independent？（）AMemory Mirroring must be enabled in the BIOS.
BRedundant bit steering must be enabled in the BIOS.
CDIMMs must be the same size and speed as the DIMMs being replaced.
DMemory Mirroring must be enabled in the operating system.
EDIMMs can be of same size or larger or same speed or faster.
正确答案： E,A解析： 暂无解析 -
第23题：
多选题Which three of these statements about the IP service level agreement （SLA） sender are true？ （）ASLA sender target can be an IP host
BSLA sender sends a probe packet and a response probe packet
CSLA sender sends a probe packet
DSLA sender target must be a router
ESLA sender target can be an IP SLA responder
正确答案： B,C解析： 暂无解析 -
第24题：
问答题练习5 (1) In order to communicate thoughts and feelings, there must be a conventional system of signs or symbols which mean the same to the sender and the receiver. The means of sending communications are too numerous and varied for systematic classification. Therefore, the analysis must begin with the means of receiving communication. (2) Reception of communication is achieved by our senses.正确答案：
(1) 为了交流思想和情感,必须有一个对发送者和接受者有着相同含义传统的符号或象征系统。
(2) 人们用感官知觉来接受人际交流。解析： 暂无解析