Internet knowlege
ISI WEB OF KNOWLEDGE

Derwent Innovations Index
DII是集成了Derwent Index( DII是集成了Derwent World patents Index(德温特 是集成了 世界专利索引) 和Derwent Patent Citation Index ) Web的专 (德温特专利引文索引)的一个基于互联网Web的专 )的一个基于互联网Web 利信息资源,它收录来自40多个专利机构授权的1000 40多个专利机构授权的 利信息资源,它收录来自40多个专利机构授权的1000 多万项基本发明、3000多万个专利 多万个专利, 多万项基本发明、3000多万个专利,每周更新并回溯 1963年 为研究人员提供世界范围内的化学、 至1963年,为研究人员提供世界范围内的化学、电子 与电气以及工程技术领域内综合全面的发明信息。 与电气以及工程技术领域内综合全面的发明信息。 一般来说,全世界每年发明成果的90-95%在专利文献 一般来说,全世界每年发明成果的90-95%在专利文献 90 中可以查到,而在其他文献中只反映5 10%, 中可以查到,而在其他文献中只反映5-10%,因此专 利文献是查找技术应用的最重要文献源。 利文献是查找技术应用的最重要文献源。
某一研究主题研究论文的机构分析表
中国科学院
分析检索结果界面
在检索分析选择框中 依次选择: --需要分析的字段 --需要分析的记录数 (最多为10000条) --分析结果显示的集合数 --分析结果的排序方式
分析记录 执行键
然后点击Analyze进行分析 分析结果按记录数、百分比、 以及柱形图式方式显示
CPCI
是Web版会议数据库,包括了从1990年至今的数百万万条记 录。数据每周更新,每年数据更新量为22万5千条。ISTP覆 盖了所有自然科学与技术领域的会议文献,包括农业、环 境、生物化学、生物技术、医学、工程、计算机、物理等 学科主题. 会议传递新产生的但未必成熟的科研信息,对学科领域中 最新发现、新成果等重大事件的首次报道率最高,是人们 及时了解有关学科领域发展状况的重要渠道。涉及的专业 内容集中、针对性强。围绕同一会议主题撰写相关的研究 论文。内容新颖,及时性强。最能反应各个学科领域现阶 段研究的新水平、新进展。
网络的重要性作文英语

网络的重要性作文英语The Importance of the Internet。
In today's digital age, the internet plays an indispensable role in various aspects of our lives, ranging from communication and education to business and entertainment. Its significance cannot be overstated, as it has revolutionized the way we interact, gather information, and conduct daily activities. Here, we delve into the multifaceted importance of the internet.Communication:One of the most obvious benefits of the internet is its ability to facilitate communication on a global scale. Through email, instant messaging, social media platforms, and video conferencing tools, individuals can connect with others regardless of geographical boundaries. This interconnectedness has transformed how we maintain relationships, collaborate on projects, and exchange ideas.Education:The internet has democratized access to education by providing a wealth of resources and learning opportunities online. Students can access virtual classrooms, educational websites, and online courses to supplement theirtraditional education or pursue entirely remote learning experiences. Furthermore, the internet enables individualsto engage in self-directed learning and acquire new skills through tutorials, webinars, and educational videos.Information:With the vast amount of information available on the internet, knowledge is more accessible than ever before. Search engines allow users to quickly find answers to their questions, explore diverse perspectives, and stay informed about current events. From academic research to DIY tutorials, the internet serves as a repository of knowledge, empowering individuals to learn and grow intellectually.Business:The internet has revolutionized the way businesses operate, enabling e-commerce, digital marketing, and remote work opportunities. Small businesses can reach a global audience through online storefronts, while digitalplatforms facilitate transactions, customer engagement, and feedback. Additionally, the internet has fosteredinnovation by connecting entrepreneurs with resources, funding, and mentorship opportunities.Entertainment:Entertainment has undergone a digital transformation thanks to the internet. Streaming services offer a plethora of movies, TV shows, music, and games for instant enjoyment, while social media platforms provide a platform forcreative expression and community building. Furthermore, user-generated content platforms allow individuals to share their talents and interests with the world, shaping modern pop culture.Social Impact:Beyond its practical applications, the internet has had a profound social impact, influencing societal norms, activism, and cultural exchange. Social media platforms have facilitated social movements, raised awareness about important issues, and connected individuals with shared interests or identities. However, the internet also presents challenges such as misinformation, cyberbullying, and privacy concerns, highlighting the need for digital literacy and responsible online behavior.In conclusion, the internet has become an integral part of modern life, shaping how we communicate, learn, work, and entertain ourselves. Its importance cannot be understated, as it continues to transform society and empower individuals worldwide. However, it is essential to recognize the opportunities and challenges that come with this digital revolution, and strive to harness thepotential of the internet for the greater good.。
近年来的研究的英语作文

近年来的研究的英语作文Title: The Pulsating Frontier of Research: Unleashing Innovation in the Modern Era。
1. Raging at the Speed of Light: The Race for Breakthroughs。
In the digital age, research has become a lightning bolt, propelling us into uncharted territories. From the quantum leap in quantum computing to the relentless pursuit of gene editing, every day brings a new chapter in the annals of discovery.2. The Lab of the Future: Artificial Intelligence and Machine Learning。
The lab of the 21st century isn't bound by physical walls; it's a digital playground where AI and machine learning reign supreme. These digital alchemists transform data into insights, challenging traditional researchmethods and pushing boundaries.3. The Internet of Knowledge: Open Access and Collaborative Efforts。
The internet has become the global research hub, fostering a culture of open access. Knowledge no longer belongs to a select few, but to all who dare to ask. Collaborations across borders and disciplines are the new norm, fostering a global think tank.4. The Human Touch in Research: Ethics and Social Impact。
网络给学习带来的便利英语作文

The Convenience of Online LearningIn the digital age, the internet has revolutionized the way we learn, making knowledge more accessible and convenient than ever before. From online courses and tutorials to interactive learning platforms and virtual classrooms, the internet has opened up a world of possibilities for students and educators alike.Firstly, the internet has打破了地理限制,allowing students to access a global library of educational resources. Whether it's a university-level course taught by a top professor from abroad or a specialized tutorial on a niche topic, the internet provides a platform for anyone to learn from the best. This not only拓宽了学生的视野,but also encourages a more diverse and inclusive learning environment.Secondly, online learning is flexible and适应性强,fitting into the busy schedules of modern life. Unlike traditional classrooms, online courses can be accessed at any time, from anywhere, providing students with the freedom to study at their own pace and convenience. This flexibility is especially beneficial for workingprofessionals or those with family commitments, who mayfind it difficult to attend physical classes regularly.Moreover, the internet facilitates interactive and collaborative learning experiences. Through forums, discussion boards, and online communities, students can engage in meaningful discussions, share ideas, and learn from each other. This type of collaborative learning not only enhances understanding and retention, but also fosters a sense of community and belonging among learners.Additionally, the use of technology in online learning has made the process more engaging and effective. From interactive videos and simulations to virtual reality experiences, modern online courses employ a variety of multimedia tools to keep students engaged and interested. These tools not only make learning more fun, but also help students grasp complex concepts and apply them in real-world situations.However, it's important to note that while the internet has brought immense convenience to learning, it also poses certain challenges. The overwhelming amount of information available online can sometimes lead to confusion anddistraction. Therefore, it's crucial for students todevelop effective time management skills and stay focusedon their learning goals.In conclusion, the internet has brought about a remarkable transformation in the world of learning. It has打破了地理限制,provided flexibility and convenience, fostered interactive and collaborative learning experiences, and enhanced the effectiveness of teaching and learning. While there are challenges associated with online learning, they are outweighed by the numerous benefits it offers. As we continue to embrace this digital revolution, it's important to remember that the key to successful online learning lies in our ability to navigate the vast online resources effectively and stay focused on our learning goals.**网络给学习带来的便利**在数字时代,互联网已经彻底改变了我们的学习方式,使知识比以往任何时候都更容易获取和便捷。
“学知识”千万不要翻译成“learnknowledge”错在这里!

“学知识”千万不要翻译成“learnknowledge”错在这⾥!在中⽂⾥⾯,有“学知识”的说法,那翻译成英⽂,对应的表达应该是什么呢?你的第⼀反应会不会是“learn knowledge”呢?其实英语⾥⾯是没有“learn knowledge”这个说法的,⼤家看⼀看辞典⾥对“learn”的注解便会知道:“learn”这个词本⾝就有“学习知识”的意思,如果再给后⾯加上“knowledge”,就是重复表达了。
所以,如果你想表达学习了很多知识,可以直接说:I have learned a lot.如果⼀定要⽤“knowledge”,可以与这些动词连⽤:get, gain, obtain, acquire, absorb ,同样⽤来表⽰“学习、获取知识”。
The digital technology and internet provide people with new channels and form to getknowledge.知识的数字化和互联⽹,改变了⼈们获取知识的渠道和⽅式。
We can acquire knowledge not only from books but also through social practice.我们不但可以从书本上,还可以通过实践获得知识。
关于语义重复,普特君还想到了两个很多同学容易踩雷的单词,就是“delicious”和“freezing”:仔细回想⼀下,你在描述⼀个⾷物的时候,有没有说过类似的表达:These food are very delicious.这⾥⾯同样犯了语义重复的错误,“delicious”本⾝就是⼀个表⽰程度很深的词,带有“⾮常,绝对”的意思,相当于“very tasty”,所以没有必要在前⾯再加上“very”了。
直接说It’s delicious就好。
如果你想强调这个东西真的⾮常好吃,可以在“delicious”前⾯加上“absolutely”来表⽰这道菜的味道绝了。
从网络上获得知识英文作文

从网络上获得知识英文作文英文回答:The internet offers an unprecedented opportunity to acquire knowledge, making it a transformative tool for education and personal growth. With the click of a few buttons, individuals can access a vast repository of information, spanning a wide range of subjects and disciplines. This unparalleled access to knowledge has revolutionized the way people learn, providing a myriad of resources that can supplement traditional methods of education.One of the most significant advantages of acquiring knowledge from the internet is the convenience and flexibility it offers. Individuals can engage in self-directed learning at their own pace, selecting topics that align with their interests and pursuing them at times that fit their schedules. This level of autonomy empowers learners to tailor their educational journey to theirspecific needs, making it a truly personalized experience.Moreover, the internet provides access to a diverse range of perspectives and insights. Users can explore different points of view on complex issues and engage with experts in various fields, expanding their understanding of the world around them. This exposure to diverse perspectives fosters critical thinking skills and encourages individuals to develop their own informed opinions.In terms of accessibility, the internet has made knowledge more accessible to individuals from all backgrounds, regardless of their geographic location or socioeconomic status. Online platforms offer free or low-cost educational resources, democratizing access to education and providing opportunities for individuals to enhance their knowledge and skills.Despite its numerous benefits, it is important to acknowledge the potential drawbacks of acquiring knowledge solely from the internet. The sheer volume of informationavailable online can be overwhelming, and not all sources are equally reliable. Individuals need to develop critical evaluation skills to distinguish between credible and unreliable information, ensuring that the knowledge they acquire is accurate and trustworthy.中文回答:互联网提供了一个获取知识的空前机会,使其成为教育和个人成长的变革工具。
英语作文-互联网健康知识的传播风险与防范措施
英语作文-互联网健康知识的传播风险与防范措施The Spread of Internet Health Knowledge: Risks and Prevention Measures。
The internet has become an indispensable part of our lives, providing us with a wealth of information at our fingertips. One of the most significant benefits of the internet is its ability to disseminate health knowledge to a wide audience. However, along with the benefits, there are also risks associated with the spread of health information on the internet. In this article, we will explore the risks and potential dangers of obtaining health knowledge from the internet, as well as the measures that can be taken to prevent and mitigate these risks.One of the primary risks of obtaining health knowledge from the internet is the prevalence of misinformation and false information. With the proliferation of websites, blogs, and social media platforms, it has become increasingly challenging to discern the credibility of health information. Misleading or false information can lead to misguided self-diagnosis and self-treatment, potentially exacerbating health conditions or causing harm.Furthermore, the internet provides a platform for the promotion of unproven or potentially harmful health products and treatments. Many websites and online advertisements make bold claims about the efficacy of certain products or treatments without scientific evidence to support their claims. This can lead individuals to invest in ineffective or even dangerous health products, putting their well-being at risk.Another risk of obtaining health knowledge from the internet is the potential invasion of privacy. Many individuals seek health information online, including sensitive topics such as mental health, sexual health, and chronic illnesses. However, the collection and use of personal health data by websites and online platforms can raise privacy concerns.Unauthorized access to personal health information can lead to breaches of confidentiality and potential exploitation of individuals' health data.In addition to the risks associated with the spread of health knowledge on the internet, there are also measures that can be taken to prevent and mitigate these risks. Firstly, it is essential for individuals to critically evaluate the credibility of health information obtained from the internet. This can be achieved by seeking information from reputable sources such as government health websites, academic institutions, and established health organizations.Secondly, individuals should be cautious when considering health products and treatments promoted online. It is crucial to consult healthcare professionals and seek evidence-based information before making decisions about health products and treatments. Furthermore, individuals should be wary of websites and advertisements that make exaggerated claims about the efficacy of their products or treatments.Moreover, protecting personal health information is paramount in preventing privacy breaches. Individuals should be mindful of the websites and platforms they use to seek health information and ensure that they are secure and trustworthy. It is advisable to read privacy policies and terms of use to understand how personal health data is collected, stored, and used by online platforms.In conclusion, while the internet has revolutionized the dissemination of health knowledge, it also poses risks and potential dangers. Misinformation, promotion of unproven health products, and privacy concerns are among the key risks associated with obtaining health knowledge from the internet. However, by critically evaluating the credibility of health information, being cautious of health products and treatments promoted online, and protecting personal health information, individuals can prevent and mitigate these risks. Ultimately, the responsible use of the internet for obtaining health knowledge is essential in promoting informed decision-making and safeguarding individual well-being.。
计算机英语:Basic Knowledge of Internet
Passage one:
The Internet -A Tool or a Toy
Key Words and Phrases
transmit Interaction coherently Interact with treat…as… Of one’s own On earth
8. eliminating traditional problems of delayed information and isolation
Drawbacks:
1. It provides an escape from reality and everyday problems. 2. The internet can be addicting: keeping people from physically getting up into the outside world.
• TCP/IP是用于计算机通信的一组协议,我们通常称 它为TCP/IP协议族。它是70年代中期美国国防部为 其ARPANET广域网开发的网络体系结构和协议标 准,以它为基础组建的INTERNET是目前国际上规 模最大的计算机网络,正因为INTERNET的广泛使 用,使得TCP/IP成了事实上的标准。 之所以说TCP/IP是一个协议族,是因为TCP/IP协议 包括TCP、IP、UDP、ICMP、RIP、TELNET、 FTP、SMTP、ARP、TFTP等许多协议,这些协议 一起称为TCP/IP协议。以下我们对协议族中一些常 用协议英文名:
•
ATM是一种传输模式,在这一模式中,信息 被组织成信元,因包含来自某用户信息的各个信 元不需要周期性出现,这种传输模式是异步的。 • ATM信元是固定长度的分组,共有53个字节, 分为2个部分。前面5个字节为信头,主要完成寻 址的功能;后面的48个字节为信息段,用来装载 来自不同用户,不同业务的信息。话音,数据, 图象等所有的数字信息都要经过切割,封装成统 一格式的信元在网中传递,并在接收端恢复成所 需格式。
《计算机专业英语》课程标准
《计算机专业英语(一)》课程标准1.课程说明(1)课程性质:本门课程是计算机类专业的基础必修课程。
通过学习,使学生具备相关职业应用型人才所必需的专业英语技术标准、规那么等有关知识和翻译,编程,软件开发,常见问题处理等技能。
本课程是计算机相关专业各课程的前修课程。
(2)课程任务:主要针对与计算机相关的各个岗位开设,主要任务是培养学生在工作岗位的英语能力,通过学习,使学生具备相关职业应用型人才所必需的专业英语技术标准、规那么等有关知识和翻译,编程,软件开发,常见问题处理等技能。
(3)课程衔接:在课程设置上,是为各个计算机专业课程做好基础准备。
2.学习目标通过任务引领的工程活动,使学生成为具备从事本职业的高素质劳动者和计算机高级技术人才,同时培养学生敬业爱岗思想、团结协作精神。
能熟练使用和识别各种设备中出现的英文名称。
能熟练应用各种软件中出现的英文名称(仪器)。
能熟练运用和识别国家标准、规范及规那么中出现的英文词汇。
会熟练编制计算机软件程序。
3.课程设计按照“以能力为本位,以职业实践为主线,以工程课程为主体的用英语完成Network各局部的描述。
排除Network常见故障。
模块一Network模块二Exerc i se工程二I nternet.参考学时:4学时。
1.学习目标能准确说出Internet related英文名称,简写。
会正确选择I nterneto能掌握计算机Internet的相关知识。
2.工作任务用英语完成Internet各局部的描述。
排除I nternet常见故障。
模块一Internet模块二Exercise工程八Network secur i ty.参考学时:4学时。
1.学习目标能准确说出Network secur ity类型的英文名称,简写。
会正确选择杀毒软件。
能掌握Network secur ity的相关知识。
2.工作任务用英语完成Network secur i ty局部的描述。
互联网对学习的影响英语作文
互联网对学习的影响英语作文Title: The Impact of the Internet on Learning。
In the contemporary era, the Internet hasrevolutionized the way we acquire knowledge and learn new things. Its profound impact on education cannot be overstated. Here, we delve into the multifaceted influence of the Internet on learning.Firstly, the Internet has democratized access to information. Previously, obtaining knowledge was often confined to libraries, schools, or personal collections. However, with the advent of the Internet, a vast repository of information has become accessible at the click of a button. This accessibility has empowered individuals from all walks of life to engage with a breadth of knowledgethat was once unimaginable.Moreover, the Internet has facilitated personalized learning experiences. Through online platforms, learnerscan tailor their educational journey according to their interests, pace, and learning styles. Whether it's through interactive tutorials, educational videos, or adaptive learning programs, the Internet offers a plethora of resources to cater to diverse learning needs.Furthermore, the Internet has fostered collaborationand knowledge sharing. Online forums, discussion boards,and social media platforms serve as virtual spaces where learners can engage in meaningful discourse, exchange ideas, and seek assistance from peers and experts alike. This collaborative learning environment not only enhances comprehension but also cultivates critical thinking and problem-solving skills.Additionally, the Internet has transformed the role of educators. Teachers now have access to an array of digital tools and resources to augment their teaching methods and enrich the learning experience. From virtual classrooms to educational apps, technology has become an integral component of modern pedagogy, enabling educators to engage students in innovative ways and bridge gaps inunderstanding.However, alongside its myriad benefits, the Internet also presents challenges to learning. One such challenge is the proliferation of misinformation and fake news. With the abundance of online content, discerning credible sources from unreliable ones has become increasingly complex. Therefore, cultivating digital literacy skills isimperative to navigate the vast expanse of information available online.Furthermore, the Internet has contributed to shorter attention spans and a tendency towards superficial learning. The ease of access to bite-sized information has led to a preference for quick fixes and instant gratification, often at the expense of deep comprehension and critical analysis. Thus, striking a balance between utilizing the Internet asa tool for learning and avoiding its pitfalls requires deliberate effort and discipline.In conclusion, the Internet has fundamentally reshaped the landscape of learning, offering unprecedentedopportunities for access, customization, collaboration, and innovation. However, harnessing its full potential while mitigating its drawbacks necessitates a conscious approach towards digital literacy, critical thinking, and mindful consumption. Ultimately, in the digital age, the Internet remains a powerful ally in the pursuit of knowledge, provided we navigate its vast waters with discernment and diligence.。
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Internet 问答 您的位置:主 页>>Internet >>Internet 问答 0,Q:什么是“Internet”、“Intranet”??A:“Internet” 即国际计算机互联网,起源于 20 世纪 60 年代美国的一些科研机构的试验网络,在美国国防部的主持下研究开发。
首先参加试验的是部分大学和私人公司。
美国的高级工程研究机构(Advanced Research Projects Agency,即 ARPA)于 1969 年 12 月将 ARPANet 网络变为现实,有 4 个站点通过 56Kbps 的线路连接起来,形成了最初的 Internet 骨干网。
经过 20 多年的发展,现在的 Internet 已经发展成一个由 TCP/IP 协议连接起来的、世界范围内的巨大的网际网。
有成千上万的网络通过 Internet 骨干网络连接起来,全世界的人们可以分享 Internet 上丰富的信息资源或者通过 Internet 交换信息。
Internet 已经成为一个国家社会信息化和社会文明进步的标志。
在我国,Internet 被称做 ChinaNet ,上网用户可以通过拨打特别服务号码来实现与 Internet 的连通。
Intranet 是在一个协同作业的企业或者组织的内部,使用 Internet 技术实现应用需求的网络应用系统。
它可以建立在企业内部原有的硬件、软件和服务器基础上,实现 Internet 上的几乎所有应用,如 Web 服务、FTP 服务、DNS 服务、E-mail 系统等等。
另外,以 Intranet 为平台的信息管理系统以其特有的优势,可获得高效的开发和企业级应用,逐渐取代传统的 MIS 系统,成为企业管理信息系统的首选。
1,Q:怎样用 Windows98se 实现对等网的多机上网?A:Windows98se(Windows98第二版)提供了 Internet 共享服务,供局域网内部多个用户通过一条电话线(或专线)上网。
实现步骤为:(1)选择对等网中一台安装 Windows98se 的机器,安装网卡、拨号网络、TCP/IP 协议和 Internet 共享服务。
Internet 共享服务不在 Windows98se 典型安装的默认选项中,可以在“我的电脑/控制面板/添加-删除程序/Windows 安装程序”中选择安装;(2)该电脑作为共享上网的服务器,它的 IP 地址默认为 192.168.0.1(子网掩码为255.255.255.0)。
然后,配置拨号网络,使这台机器能正常上网; (3)设置共享服务器的浏览器 IE 的“属性/连接/共享”,选择“拨号网络”和“网卡”。
共享服务器设置完毕;(4)配置其他主机:双击“我的电脑/控制面板/网络”,修改 TCP/IP 协议的属性,启用 DNS ,在其 DNS 配置和网关中添加“192.168.0.1”,将本机 IP 地址设置为 192.168.0.x(子网掩码为255.255.255.0),x 的范围为 2 至 255,且各主机绝对不能相同。
最后,启动机器。
这样,当共享服务主机拨号上网后,其他主机也可以一起上网冲浪了。
2,Q:不用集线器(Hub),怎样用网卡和双绞线直接连接两台微机?A:两台微机也可以连成一个局域网,一般情况下是用Hub 连接。
但是在没有Hub 的情况下,也可以用双绞线直接将两台机器连接起来,当然这种情况下双绞线的做法就有点特殊了。
双绞线的线序和一种实际做法(头1、头2)如下:1 <->2 1 <->3 橙白- 绿白- 2 <-> 1 2 <-> 6 橙- 蓝-3 <-> 6 3 <-> 1 绿白- 橙白-4 <-> 4 4 <-> 4 绿- 绿-5 <-> 5 5 <-> 5 <=>蓝白- 蓝白-6 <-> 3 6 <-> 2 蓝- 橙-7 <-> 7 7 <-> 7 棕白- 棕白-8 <-> 8 8 <-> 8 棕- 棕-3,Q:双绞线超长的应急处理?A:双绞线的有效传输距离理论值为 100 米。
但在实际施工中,由于受建筑环境的限制,有时双绞线的距离会稍微超过这个距离,造成数据传输时通时断,不太稳定。
作为应急措施,可以临时将两条双绞线并联起来,这样,直流电阻会减小一半;或者选用较粗的超五类双绞铜线(真品),电阻也较小,会大大改善传输性能。
也可以在线路中间加装 Hub 进行电压提升,改善数据传输性能。
4,Q:集线器(Hub)和交换机有什么区别?A:以太网的集线器和交换机都是数据传输的枢纽。
Hub 是将信号收集放大后传输给所有其它端口,即传输线路是共享的。
而交换机能够选择目标端口,在很大程度上减少冲突(Collision)的发生,为通信双方提供了一条独占的线路。
另外,现在的交换机大多还具有第三层(网络层)的路由功能。
所以说,使用交换机能大大改善网络的传输性能。
5,Q:怎样设定默认电子邮件程序?A:修改 Windows 注册表项 HKEY_CLASSES_ROOT\MAILTO\SHELL\OPEN\COMMAND,输入你的电子邮件的完整路径,如 "C:\FOXMAIL\FOXMAIL %1" 即可。
6,Q:怎样使 Windows9x 连接进入 Netware 服务器?A:给运行 Windows9x 的机器安装网卡、MS-IPX/SPX 协议和 MS-Netware 网络用户,启动机器,然后在“网络邻居”里就可以看见 Netware 服务器,给出正确的用户和口令就可以进入 Netware 服务器了。
7,Q:为什么浏览器会出现“花屏”现象?A:在浏览某些网页时,可能由于这些网页内嵌了较多的 Java 脚本、Java Applet 等程序,消耗了大量的系统资源,使系统资源严重不足(有时系统资源只有百分之十几),这时最容易导致系统花屏,甚至死机。
所以,为了提高浏览速度,保护数据不致丢失,在上网时,最好只打开浏览器这一个程序。
出现“花屏”现象时,重新启动机器后一般会回复正常。
8,Q:怎么用 WindowsNT server4.0 实现不同子网的软路由?A:网络环境:Hub 连接的星形网,其中:WindowsNT4.0 Server,一块网卡,TCP/IP协议(配置见后) Windows 子网一 TCP/IP协议 IP=192.168.10.x Subnet_mask=255.255.255.0 Gateway=192.168.10.1 Windows 子网二 TCP/IP协议 IP=192.168.0.x Subnet_mask=255.255.255.0 Gateway=192.168.0.1 WindowsNT Server 的配置:进入网络设置,给网卡的 TCP/IP 协议设置 2 个 IP 地址: IP1=192.168.10.1, IP2=192.168.0.1,再启用“IP 转发”功能,重新启动机器。
设置完成后,在子网一(192.168.10.x)可以 Ping 通 192.168.0.x网段,在子网二(192.168.0.x)可以 Ping 通 192.168.10.x 网段。
这样,就用 WindowsNT 实现了不同子网的软路由。
9,Q:为什么在 Novell 网的一台工作站对服务器硬盘杀完病毒后,一会儿又在服务器硬盘发现同样的病毒?病毒怎么如此顽固不化?A:这种情况往往是因为您在清毒时,别的工作站还没有从服务器上注销掉。
在您杀除完服务器上的病毒后,别的工作站从服务器上注销时,又将病毒从机器的内存传回服务器上的文件中。
清理服务器硬盘病毒的正确方法是:关掉所有工作站,首先对各工作站杀毒;然后从一有盘站以超级用户身份(supervisor 或 admin)登录服务器,清除服务器上的病毒。
10,Q:怎样用“网络蚂蚁”下载电子邮件的附件?A:如果你的邮箱支持在线收发邮件(如 ,, 等),那么登陆后,打开信件,然后鼠标右键单击附件,再在弹出的菜单中选择“Downloaded by netants”即可。
11,Q:怎样隐藏和访问共享文件夹?A:共享文件夹时,在共享名后紧接着输入“$”字母,别人在“网络邻居”里就不会看见该共享的文件夹。
要访问该文件夹时,可以查找这台机器,找到后鼠标双击打开,在“地址”栏直接输入该文件夹的名字即可。
12,Q:局域网要不要屏蔽?A:局域网要不要屏蔽主要以能否顺利完成数据传输来决定。
有些屏蔽局域网因为屏蔽接地不良人为地产生了干扰信号,使效果反而不如非屏蔽网络。
一般来说,欧洲市场上屏蔽局域网比较常见,而北美的非屏蔽网络则多一些。
一般情况下,UTP(非屏蔽双绞线)是目前较为成熟的综合布线技术,如果干扰较大,可采用金属桥架和管道作为屏蔽层。
如果干扰特别大,可以使用光缆。
13,Q:什么是“防火墙”?A:防火墙是一个位于内部网络与 Internet 之间的网络安全系统,是按照一定的安全策略建立起来的硬件和(或)软件的有机组成体,以防止黑客的攻击,保护内部网络的安全运行。
14,Q:Windows9x 对等网上的某机器,在“网络邻居”里看不到别的机器,但别的机器可以看见它,为什么?A:这台机器在启动中出现登录界面时,选择了“取消”,而不是“确定”。
15,Q:为什么在“网络邻居”不能看见广域网另一头的机器?A:Windows 之所以能在“网络邻居”里看到别的机器,是通过 NetBEUI 协议实现的。
广域网一般是使用路由器通过 TCP/IP 协议连接的,而 NetBEUI 协议没有路由能力,所以在“网络邻居”不能看见广域网另一头的机器。
16,Q:怎样连接 Windows 对等网?A:(1)正确安装 Windows(包括 Windows3.11,Windows9x,WindowsNT,Windows2000);(2)正确安装网卡驱动程序;(3)安装 NetBEUI 协议;(4)设置“计算机名”和“组名”(对等网里的计算机不能重名,可以对计算机进行分组);(5)测试。
在“网络邻居”里应该可以看到所有的分组和分组里的计算机。
如果暂时看不到,请稍等一会,按 F5 刷新。
如果你太性急,请运行“开始/查找/计算机...”,输入计算机名,就会立即在“网络邻居”找到机器。
17,Q:为什么要划分子网?A:隔离网络广播在整个网络的传播,提高信息的传输率。
18,Q:什么是虚拟服务器?A:虚拟服务器是:通过 Web 服务器(一台高性能的机器),在一块网卡上绑定多个 IP 地址,而不同的 IP 地址绑定于同一台 WWW 服务器上的不同的主页目录,当用户访问不同的 IP 地址时,其对应的主页就会被分发出去,一台 WWW 服务器就好像许多 WWW 服务器一样。