11网络无处不在
专业技术人员公共科目《大数据时代的互联网信息安全》试题库
专业技术人员公共科目《大数据时代的互联网信息安全》试题库考试成绩姓名：XXX考试科目：2017年徐州市公共科目《大数据时代的互联网信息安全》考试时间：2020/y/y 14:11:39考试成绩：XXX分（合格分数：60分）一、判断题（每题2分）1.交流感应电动机利用电磁驱动的原理工作。
正确2.在互联网经济时代，开放和共享是企业发展的必然趋势。
正确3.新媒体营销是基于新媒体平台，利用网络杂志、博客、视频、微博、邮件、短信等进行的营销方式。
从某种角度来说，利用网民的自我扩散，也叫做新媒体营销。
正确4.互联网新媒体海量内容的产生主要在于媒体平台自身能够生产多少内容，而不是技术因素。
错误5.互联网新媒体只是新兴媒体机构扮演的角色，与主流媒体无关。
错误6.媒体是建构意识形态的重要工具。
正确7.我国主张对互联网实行多方参与国际治理。
正确8.舆情工作的出发点是消灭灾祸。
错误9.人工采集效率低，成本高，错误多。
自动化采集靠技术实现，效率高，采集的数据量大。
正确10.数据是所表达的对象或事件的信息的载体，记录了对象的属性特征。
正确11.数据采集可以划分为人工采集和自动化采集。
正确12.大数据的价值重在挖掘，而挖掘就是分析。
正确13.大数据的思维会把原来销售的概念变成服务的概念。
正确14.XXX认为，对大数据的占有与控制，反映的是一个国家的核心能力之大小。
因此，他已经将大数据上升到国家战略高度。
正确15.某个程序给智能手机发送垃圾信息不属于智能手机病毒攻击。
正确二、单项选择（每题2分）16.传入我国的第一例计算机病毒是（）。
A.大麻病毒B.小球病毒C.1575病毒D.米开朗基罗病毒答案：C17.故意制作、传播计算机病毒等破坏性程序，影响计算机系统正常运行，后果严重的，将受到（）处罚。
A.处五年以下有期徒刑或者拘役B.拘留C.罚款D.警告答案：A18.当前（）已成为人类活动的新疆域。
A.海洋B.天空C.太空D.网络空间答案：D19.下列说法中不属于网络着作权侵权行为表现形式的是（）。
网络无处不在
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解决和排除无线网络连接故障的12个方法
解决和排除无线网络连接故障的12个方法无线网络,特别是无线局域网给我们的生活带来了极大的方便,为我们提供了无处不在的、高带宽的网络服务,但是,由于无线信道特有的性质,使得无线网络连接具有不稳定性,大大影响了服务质量,本文将介绍一些常见的无线网络故障及排除方法,来帮助用户及时、有效地排除这些故障。
1.混合无线网络经常掉线故障现象使用Linksys WPC54G网卡和Linksys WRT54G AP构建无线局域网,它们使用的都是IEEE 802.11g协议,网络中还存在少数802.11b网卡。
当使用WRT54G进行54Mb/s连接时经常掉线。
故障分析从理论上说,IEEE 802.11g协议是向下兼容802.11b协议的,使用这两种协议的设备可以同时连接至使用IEEE 802.11g协议的AP。
但是,从实际经验来看,只要网络中存在使用IEEE 802.11b协议的网卡,那么整个网络的连接速度就会降至11Mb/s(IEEE 802.11b协议的传输速度)。
故障解决在混用IEEE 802.11b和IEEE 802.11g无线设备时,一定要把无线AP设置成混合(MIXED)模式,使用这种模式,就可以同时兼容IEEE 802.11b和802.11g两种模式。
2.无线客户端接收不到信号故障现象构建无线局域网之后,发现客户端接收不到无线AP的信号。
故障分析导致出现该故障的原因可能有以下几个:(1)无线网卡距离无线AP或者无线路由器的距离太远,超过了无线网络的覆盖范围,在无线信号到达无线网卡时已经非常微弱了,使得无线客户端无法进行正常连接。
(2)无线AP或者无线路由器未加电或者没有正常工作,导致无线客户端根本无法进行连接。
(3)当无线客户端距离无线AP较远时,我们经常使用定向天线技术来增强无线信号的传播,如果定向天线的角度存在问题,也会导致无线客户端无法正常连接。
(4)如果无线客户端没有正确设置网络IP地址,就无法与无线AP进行通信。
网络无处不在(ppt)
机器学习技术
通过大量数据训练模型，让机器自我 学习和优化。
应用领域
智能客服、智能推荐、智能驾驶、智 能安防等。
发展趋势
随着算法和算力的提升，人工智能和 机器学习将更加深入到各个领域
通过去中心化的账本记录交易信 息，保证数据安全和透明。
应用领域
数字货币、供应链管理、版权保护、 身份认证等。
01
建立完善的安全政策和 流程，培训员工提高安 全意识。
02
使用加密技术保护敏感 数据传输和存储。
03
部署入侵检测和防御系 统，实时监测和应对网 络威胁。
04
与供应商建立安全合作 关系，共同应对网络安 全挑战。
04 网络对社会的影响
网络的正面影响
促进信息传播
网络使人们能够快速获取和分 享信息，提高了信息传播的效
随着互联网技术的发展，电子商务已 成为全球范围内的主流商业模式，为 消费者和企业提供了便捷、高效、低 成本的交易方式。
在线教育
在线教育是指通过网络进行的教育教学活动，包括远程课程、在线学习平台、虚拟 教室等。
在线教育突破了时间和空间的限制，为学习者提供了灵活的学习方式和丰富的学习 资源。
在线教育有助于提高教育公平性，让更多人有机会接受高质量的教育。同时，它也 为企业和个人提供了培训和学习的新途径。
如何平衡网络的利弊
制定相关法律法规
通过制定和完善相关法律法规，规范网络行 为，打击网络犯罪。
强化自我约束
个人应自觉遵守网络道德规范，合理使用网 络资源，避免过度沉迷和负面影响。
提高网络安全意识
加强网络安全教育，提高公众对网络安全的 认识和防范能力。
发挥技术优势
通过技术创新和研发，加强网络安全防护和 信息筛选过滤，降低网络负面影响。
网络无处不在(课堂PPT)
2
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使用计算机的场所 办公室 计算机教室 图书馆 售票处 书店 邮局 银行
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3
邮政
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4
汇款人手工填写汇款单
邮局工作人员将汇款 信息输入计算机
5
汇款信息通过计算机 网络传送到汇款目的地
邮递员将计算机打印 的取款通知单送给收款人
6
比较内 容
速度
传统邮政汇款
邮政电子汇款
原始汇款单要经过长途运输， 速度慢
不再传递原始汇款单，传递的是 汇款信息，速度快。
2、资源共享 是计算机网络的重要功能。可共享的资源包括了计
算机软件、硬件和数据。
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3、提高计算机的可靠性和可用性 是一个十分重要的功能。网络中的每一台计算机都
可以通过网络相互成为后备机。提高 了系统的可靠 性和可用性。
4、分布处理 近年来应用研究领域的重点课题之一。利用分布处理
算法和技术，可以将一些原来需要大中型计算机才能解 决的复杂的大型问题，分配给网络中的不同计算机，这 些计算机分别完成一部分数据处理任务。
络，超过100千米，可以跨城市、跨地区，甚至跨国家。 多采用光纤作为传输介质。(Internet)
15
计算机网络分类（互联距离）
分类 通信介质
局域网 专线，如同轴
LAN
电缆
互联网时代,信息无处不在
互联网时代，信息无处不在一、信息时代的到来在当今互联网时代，信息无处不在，我们生活在一个信息爆炸的时代。
随着科技的不断发展，信息的获取变得越来越容易，我们可以通过各种渠道获取到我们想要的信息，无论是新闻、娱乐、学习还是社交，信息都无处不在。
二、信息的重要性信息在我们的生活中扮演着至关重要的角色。
它可以帮助我们更好地了解世界，拓宽我们的视野，提高我们的知识水平。
信息还可以帮助我们更好地与他人沟通交流，促进社会的发展和进步。
在这个信息时代，信息的重要性不言而喻。
三、信息的获取途径在互联网时代，我们可以通过各种途径获取信息。
比如，我们可以通过搜索引擎查找我们需要的信息，通过社交媒体了解最新的动态，通过在线课程学习知识，通过电子书籍阅读各种资料。
信息的获取途径多种多样，只要我们愿意，就能轻松获取到我们需要的信息。
四、信息时代的挑战然而，信息时代也带来了一些挑战。
信息的过度获取可能会导致信息过载，让我们无法从中筛选出有用的信息。
信息的真实性也面临着挑战，有些信息可能是虚假的，误导我们的判断。
信息的泛滥也可能让我们迷失在其中，无法找到自己真正需要的信息。
五、如何应对信息时代的挑战为了更好地应对信息时代的挑战，我们需要具备一定的信息素养。
首先，我们需要学会筛选信息，辨别信息的真伪，不被虚假信息所误导。
其次，我们需要学会管理信息，避免信息过载，专注于获取对自己有用的信息。
最后，我们需要学会分享信息，与他人分享有价值的信息，促进信息的传播和共享。
六、结语在信息时代，信息无处不在，我们需要学会如何应对这个信息爆炸的时代。
只有具备良好的信息素养，我们才能更好地适应这个时代，获取到我们需要的信息，提升自己的生活质量。
让我们一起迎接信息时代的挑战，共同探索信息世界的无限可能性。
生活中的网无处不在英语作文100字
生活中的网：无处不在的连接In the modern era, the web is everywhere, intertwining our lives in a web of connections. From the invisible threads of the internet, to the visible networks of social relationships, the web is an integral part of our daily existence.The internet, a vast and interconnected network of networks, has revolutionized the way we live. It is the backbone of modern communication, connecting people across the globe with the click of a button. Social media platforms like Facebook, Twitter, and Instagram have created a digital web of social connections, allowing us to share moments, thoughts, and ideas instantly.Beyond the digital realm, the web of social relationships is equally pervasive. Our lives are shaped by the networks of friends, family, colleagues, and acquaintances we interact with daily. These relationships form a complex web, influencing our decisions, shaping our identities, and defining our communities.The web of business and finance is another integral layer of our lives. Markets, supply chains, and financial institutions are interconnected in a global web of economic activity. This web affects everything from the price of groceries to the stock market, shaping our economic well-being and future prospects.The web of knowledge and information is also pervasive in our lives. The internet has made vast repositories of knowledge accessible to everyone, creating a global web of learning and discovery. We can explore topics from anywhere in the world, learn new skills, and expand our horizons with ease.In conclusion, the web is an integral and pervasive part of our lives. It connects us to each other, to information, and to opportunities. As we navigate this web, it is important to remain mindful of the ways it shapes us and to use it responsibly, respectfully, and with purpose. **生活中的网：无处不在的连接**在现代社会，网无处不在，将我们的生活紧密地编织在一起。
网络安全无处不在
网络安全无处不在摘要：网络安全无处不在，因为它已成为我们日常生活中的重要部分。
网络安全涉及个人信息保护、网络支付安全、数据安全、网络攻击防范和隐私保护等方面，能够保护个人信息不被滥用、资金安全、数据的安全性和完整性、防范各种网络攻击以及保护个人隐私。
只有加强网络安全意识和技能，采取有效的措施，才能确保个人和组织的信息和利益不受损失。
网络安全无处不在，这是因为它已经成为我们日常生活中不可或缺的一部分。
在现代社会，人们对于网络的需求越来越高，网络也成为了许多方面的重要基础。
因此，网络安全的重要性也日益凸显。
网络安全无处不在，可以从以下几个方面来看待：1. 个人信息保护：在网络时代，个人信息是非常重要的资源。
网络安全能够保护个人信息不被滥用，包括姓名、地址、电话号码、身份证号码等敏感信息。
这些信息一旦被泄露，可能会被不法分子用于欺诈或者犯罪目的。
2. 网络支付安全：随着网络购物和在线支付的普及，网络安全也涉及到资金安全。
不安全的网络可能导致人们的银行卡信息被盗用，造成经济损失。
网络安全能够确保网络支付过程的安全性，防止支付信息被恶意获取。
3. 数据安全：网络上存储着大量的个人信息、企业数据和国家机密等重要数据。
如果网络不安全，这些数据可能被黑客盗取或破坏，造成不可估量的损失。
网络安全能够保护数据的安全性和完整性，防止数据被篡改、丢失或泄露。
4. 网络攻击防范：网络安全也能有效地防范各种网络攻击，比如病毒、木马、僵尸网络等恶意软件，以及拒绝服务攻击、网络钓鱼等攻击手段。
这些攻击可能对个人、企业或国家造成严重的损失。
5. 隐私保护：在网络时代，人们的隐私往往面临着被侵犯的风险。
网络安全能够通过加密、匿名化等技术手段保护个人隐私，确保人们在网络上的活动不会被追踪和滥用。
总之，网络安全无处不在，它涉及到我们日常生活中的方方面面。
只有通过加强网络安全意识和技能，采取有效的网络安全措施，才能确保个人和组织的信息和利益不受损失。
网络在我们的生活中无处不在英语作文
网络在我们的生活中无处不在英语作文全文共6篇示例，供读者参考篇1The Internet is Everywhere in Our LivesThe internet is like a magic box that can take us anywhere we want to go. It's a world of its own, filled with amazing things to see, learn, and do. Whenever I'm bored or curious, I can just ask my parents to let me explore the internet, and suddenly, the whole universe is at my fingertips!One of the best things about the internet is that it helps me learn so many new things. If I have a question about something I'm studying in school, like ancient Egypt or the solar system, I can find tons of information, pictures, and even videos online. It's like having a giant library right in my own home. The internet also makes it easy to learn new skills, like coding, drawing, or playing an instrument, by watching tutorials and following along.The internet is also a great way to have fun and stay entertained. I love watching funny videos of animals doing silly things or playing online games with my friends. There are so many different games to choose from, and we can even playtogether even when we're not in the same room. And when I'm feeling creative, I can use the internet to make my own stories, art, or videos and share them with the world.Another awesome thing about the internet is that it helps us stay connected with people, even if they live far away. My grandparents live in another state, but we can still video chat with them and see their faces on the computer screen. It's almost like they're right there with us. And when I'm at school or at a friend's house, I can use the internet to send messages to my parents and let them know I'm safe and having fun.But the internet isn't just useful; it's also a lot of fun! There are so many cool websites and apps to explore, and new ones are being made all the time. Sometimes it's hard to keep up with all the latest trends and memes, but that's part of what makes the internet so exciting.Overall, the internet has become such a big part of our lives, and it's hard to imagine what the world would be like without it. Whether we're using it for school, work, or play, it's like a magical portal that can take us anywhere we want to go and help us do almost anything we can imagine. And who knows what amazing new things the internet will be able to do in the future? I can't wait to find out!篇2The Internet is Everywhere in Our LivesHave you ever wondered how people lived before the internet existed? It's hard to imagine, isn't it? The internet has become such an integral part of our daily lives that it's almost impossible to think of a world without it.Let me tell you about my typical day and how the internet is involved in almost everything I do. When I wake up in the morning, the first thing I do is check my tablet for any new messages or updates from my friends. We often send each other funny memes or videos that we find online, and it's always exciting to see what's new.After getting ready for school, my mom sometimes lets me play on her phone while she's getting ready. I love playing educational games that help me learn new things or practice my math skills. These games are available online, and I can download them to my mom's phone or tablet.On the way to school, my dad sometimes listens to music or podcasts through the car's internet connection. It's amazing how we can access so much content from the internet, even while we're on the move!At school, our classrooms are equipped with computers and interactive whiteboards that are connected to the internet. Our teachers often use online resources to supplement our lessons or show us educational videos. We also use the internet to research topics for our projects and assignments.During recess, my friends and I sometimes talk about the latest viral videos or trends we've seen online. It's incredible how quickly information can spread across the internet and how many people can access the same content.When I get home from school, I sometimes have online tutoring sessions or attend virtual classes for extracurricular activities like music or art. It's so convenient that we can learn new skills and connect with teachers and instructors from all over the world through the internet.In the evenings, my family often watches movies or TV shows that we've streamed online. We can access a vast library of content from various platforms and services, all thanks to the internet.Even when it's time for bed, the internet is still present. My parents sometimes read me bedtime stories from e-books or let me listen to audiobooks downloaded from the internet.As you can see, the internet is truly everywhere in our lives. It has become an essential tool for communication, education, entertainment, and so much more. It's hard to imagine life without it!But overall, the internet has opened up a world of possibilities and has made our lives more connected and enriched. I'm excited to see how it will continue to evolve and shape our future!篇3The Internet is Everywhere in Our LivesWow, the internet sure is amazing! It's like this huge invisible web that connects computers, phones, and all sorts of devices all around the world. My teacher says the internet has become a part of almost everything we do nowadays. I agree - it really is everywhere!At SchoolLet's start with school. These days, we use computers and tablets for all kinds of things in the classroom. We look up information online for our projects and assignments. There are so many awesome educational websites with videos, games, andactivities to help us learn. My teacher sometimes shows us videos or plays songs from the internet during lessons too.We even have a special computer class where we learn things like typing, making presentations, and coding. Coding is like giving instructions to computers using a special language. It's pretty cool to be able to make the computer do what you want it to do!At HomeThe internet is a big part of my life at home too. My parents use it for work, paying bills, shopping online, and researching things they need to know. I get to use it for fun activities and learning too!One of my favorite things is watching videos and shows online. There are so many cool channels with cartoons, science experiments, crafts, and more. Sometimes I watch tutorials to learn new skills like drawing or making bracelets. My little sister loves the sing-along videos of her favorite nursery rhymes.I also love playing online games, especially the ones where I can play and chat with my friends. We have so much fun together in these virtual worlds! Of course, my parents set time limits and make sure I don't spend too much time gaming.My older brother uses the internet for school projects and research too. He told me about this thing called the "cloud" where you can store files and documents online instead of just on your computer. That way, he can access his work from anywhere. Isn't that neat?Staying ConnectedAnother big way the internet is part of our lives is through communication. We use video calling apps to talk to our grandparents and other relatives who live far away. My parents say it's so much easier than writing letters or makinglong-distance phone calls like they had to do when they were kids.We can also send instant messages, photos, and voice notes to our friends and family members through messaging apps. It's like having them right there with us even when we're apart! My parents get a little annoyed when my friends and I are always messaging each other, but we think it's a lot of fun.My dad sometimes works from home, and he has video meetings with his colleagues and clients online. My mom runs an online shop and uses the internet to showcase her products, take orders, and communicate with customers. I'm amazed at howeasy it is for them to work and run businesses thanks to the internet.Learning and ExploringOne of the best things about the internet is how much information and knowledge is available at our fingertips. Whenever I'm curious about something, I can just look it up online and find articles, videos, and pictures to learn more. It's like having a huge library and encyclopedia right in my pocket!I love exploring different topics online, from animals and outer space to ancient history and world cultures. There are even virtual tours that let you explore famous museums, landmarks, and natural wonders from anywhere in the world. It's an incredible way to learn and see things I might never get to experience in person.My parents always remind me to be careful when I'm online though. Not everything on the internet is true or safe, so I should always double-check information from reliable sources. They also teach me about online privacy and being smart about what I share or do online.The Future of the InternetThe internet has already become such a big part of our lives, and it keeps growing and changing every day. My teacher says that in the future, even more things will be connected to the internet. Things like our homes, cars, and appliances might all be able to communicate and work together through the internet.There could be virtual reality worlds where we can learn, play games, and hang out with friends in totally new ways. Imagine being able to explore the depths of the ocean or walk on the surface of Mars without even leaving your room!Some people are worried that too much technology and internet use might be bad for us. But I think as long as we use it wisely and in balance with other activities, the internet can be an amazing tool for learning, creating, and connecting with the world around us.I'm really excited to see what new and incredible things the internet will bring in the future. For now, I'm just grateful for all the ways it has already made our lives easier, more fun, and more connected. The internet truly is everywhere, and I can't imagine my life without it!篇4The Internet is Everywhere in Our LivesHi there! My name is Sam and I'm 10 years old. Today I want to tell you all about how the internet is basically everywhere in our lives these days. It's kind of crazy just how much we use it for everything!I think the easiest way to explain it is to start by talking abouta normal day for me and my family. I wake up in the morning and the first thing I do is grab my tablet to check my messages and play some games. My big brother Jason is always teasing me for spending so much time staring at screens. But I can't help it - mobile games are just so much fun!While I'm playing, my mom is downstairs using her laptop to check her work emails over a cup of coffee. She's a graphic designer so she has to use the internet a lot to send files to her clients and look for inspiration. My dad uses his computer for work too - he's an accountant so he has to access databases and spreadsheets online all day long.Once we're ready, we all pile into the car and my dad opens up the maps app on his phone to check for traffic jams on our route to school and work. The maps use the internet to get live updates on road conditions. Sometimes if there's a really bad jam, my dad will change our route based on the maps.When we get to my school, I have to hand in my homework assignments that I did on the computer and uploaded to the teacher's online portal. A lot of our learning activities require using education websites and apps too. We even have special computer class periods to learn coding and make PowerPoint presentations.At lunch, I like to watch videos of people playing fun video games like Roblox and Minecraft on my tablet. My friends and I will chat about the games and share cheats and tips. Afterwards, we might go on the school computers to play educational games that help make learning math and reading more entertaining.Once school is over, my mom will sometimes video call me from work if she's going to be late picking me up. She shares her location with me using a family tracking app so I know when she's on her way.When I get home, the first thing I do is hop on my Xbox to play online multiplayer games with my friends. We all have gamer tags and headsets so we can voice chat while we play together. My parents get annoyed at how much time I spend gaming, but it's just so fun to interact with my buddies that way!For dinner, my dad might order food for delivery using a mobile app if my mom is too tired to cook after work. The applets you choose a restaurant, pay online, and even track your driver's location so you know when your food will arrive.After dinner, I have to spend an hour or so studying and doing homework. A lot of it requires using the internet for research to write reports and essays. I'll often ask my virtual assistant to help me find sources and double check my facts.My parents will spend their evenings watching movies and shows on streaming services like Netflix. Or sometimes we'll have a family movie night using our home projector connected to the internet.Before bed, I'll spend some more time on social media sharing memes with my friends and checking out the latest trends and viral videos. I have to be careful not to stay up too late though or my mom will cut off the internet!Phew, that's a pretty typical day packed with internet usage! As you can see, it's really woven into all aspects of our modern lives for:• Entertainment (games, videos, movies, music)• Education (online learning, research)• Communication (messaging, video calls)• Work (emails, file sharing, databases)• Shopping (ordering food, pro ducts, services)• Navigation (maps, traffic updates)• Social interaction (following trends, memes, sharing content)Some people say we're maybe a little too reliant and addicted to the internet these days. I can totally see why - it makes so many things quicker and easier in our busy lives. But we still have to be careful to take breaks, spend time outdoors, read books, and live in the real world too. The internet is an amazing tool, but it shouldn't COMPLETELY take over our lives.Anyway, those are just some of my thoughts! Let me know if you have any other questions. Thanks for reading this essay - I'm off to play some Fortnite now. Catch you online!篇5The Internet is Everywhere in Our LivesWow, the internet is so cool! It's like this gigantic library and playground and movie theater and shopping mall all rolled into one. And the best part is, it's available everywhere nowadays through our phones, tablets, laptops and even some TVs. Theinternet has become a huge part of my life and pretty much everyone else's too. Let me tell you about all the ways it impacts my daily routine.In the morning when I wake up, the first thing I hear is my mom's phone sending her notifications from things like the weather app, news apps, and her email. She checks those quickly while sipping her coffee. Then she might watch a short video her friend sent her over one of those apps where you can share videos and pictures. Sometimes the videos are funny animal clips that make us both laugh out loud.After I'm dressed for school, I'll grab my tablet to play a quick game or watch a video before heading out the door. My favorite games are the endless runner ones where you try to go as far as you can without running into any obstacles. I've gotten pretty good at them! And there are so many cool video creators for kids on platforms like YouTube Kids. My favorite ones do science experiments, go on adventures, and just share entertaining and educational content.At school, we don't use our devices much except for certain lessons where the teachers will have us look something up online or watch an educational video. But even then, the internet is still a huge part of our learning. All of our textbooks and materialshave websites and online components now. When I was younger, we would just read from the books, but now there are interactive games, videos, and activities built right into the lessons.I love using the internet for research too. Whenever I have to write a report on an animal, historical figure, or scientific concept, I can find unlimited information at my fingertips. The pictures, videos, and facts I can dig up online make my reports way more interesting and detailed than if I just used books from the library.I can explore any topic I'm curious about so in-depth through websites, online encyclopedias, and even academic journals and studies if I want to get really advanced.After school, it's internet time again! My friends and I will chat with each other over various messaging apps or game together in multiplayer games online. It's like our own virtual hangout spot where we can talk, play, and share memes or videos with the push of a button. We can stay connected with our friends whenever and wherever.When I get home from school, my parents sometimes work from home and have video meetings over web conferencing apps with their colleagues or customers. Or they'll check in on their work emails and documents saved to cloud storage. Work can happen from anywhere now thanks to the internet.And of course, the internet provides endless entertainment options beyond playing games. I can stream any TV show or movie, listen to music, read ebooks and digital comics, and discover so many other forms of media and pop culture content. There are even apps where you can learn how to code, animate, edit videos, or pick up virtually any new skill. It's amazing how much knowledge is out there to access.Speaking of knowledge, I can't forget about my favorite internet use - researching totally random topics I'm curious about. Like yesterday, I spent an hour looking up different dog breeds and their traits, then transitioned into reading about the history of domesticating wolves into dogs. Or other times, I've gone down research wormholes about space exploration, famous inventors, haunted houses, you name it! It's like having my own personal teacher for any interest or question that pops into my mind.When it's time for bed, I'll maybe watch one last YouTube video in bed and then scroll through pictures and posts friends and family have shared over social media during the day. It's fun to see what everyone is up to and how they spent their day, kind of like a modern version of passing notes or telephone calls.Except this way, I can stay in the loop with relatives across the country or even world as easily as staying connected locally.That's just a glimpse into how the internet shapes my everyday life as a kid these days. From education to entertainment to communication to skill-building and more, it provides endless information and opportunities right at my fingertips. I can't imagine life without such an amazing resource to explore the world, pursue my passions and curiosities, and stay connected.The internet really is everywhere and in everything now! It has transformed our libraries, TV channels, shopping experiences, communications, and so much more by connecting it all virtually. I'm excited to see how it continues evolving and what new perspectives, tools, and opportunities it provides. Maybe one day I'll get to be one of the creators, inventors, and innovators helping to shape the future of the internet. For now, I'll keep researching, learning, playing, and exploring this awesome online world.篇6The Internet is Everywhere!Hi there! My name is Sam, and I'm 10 years old. Today, I want to talk to you about something that has become a huge part of our lives – the internet! It's like this magical thing that connects us to the whole world, and it's everywhere we go!Let me start by telling you about how I use the internet at home. Whenever I need to do homework or research for a school project, I just open up my laptop or tablet and start browsing the web. It's like having a massive library right at my fingertips! I can learn about any topic imaginable, from dinosaurs to outer space, and even watch videos to help me understand things better.But the internet isn't just for learning; it's also a lot of fun! After I finish my homework, I love playing online games with my friends. We can chat with each other while we're playing, and it's almost like we're in the same room together, even though we might be miles apart.Speaking of chatting, that's another way the internet has become a part of my life. My parents use video calling apps to keep in touch with our relatives who live far away. It's so cool that we can see and talk to them as if they were right there with us!The internet has even made its way into our living room! We have a smart TV that can stream movies and shows fromdifferent websites and apps. It's like having a massive collection of entertainment right at our fingertips. My parents also use the internet to listen to music, podcasts, and even audiobooks.But it's not just at home where the internet is everywhere. When we're out and about, my parents often use their smartphones to look up directions, find nearby restaurants, or check movie times. It's like having a personal assistant that can answer all our questions!Even at school, the internet plays a big role. Our classrooms have interactive whiteboards that teachers can use to show us videos, websites, and other online resources. It makes learning so much more engaging and fun!And let's not forget about social media! Many of my friends and I have accounts on kid-friendly sites where we can share pictures, post updates, and connect with others who share our interests. It's like having a global playground where we can make new friends from all over the world.But overall, the internet has made our lives so much more connected and convenient. It's like a magical tool that lets us explore, learn, and stay in touch with people no matter where they are.So, the next time you're online, take a moment to think about how amazing it is that we have access to so much information and so many opportunities right at our fingertips. The internet really is everywhere, and it's changing the way we live, learn, and play!。
网络无处不在
范围：一个城市
城域网（MAN） 传输介质：同轴电缆或光纤
传输速率：介于局域网和广域网之间 范围：一般其覆盖范围超过100千米
广域网（WAN） 传输介质：光纤
传输速率：低于城域网
网络无处不在
计算机网络还可以从其他的角度来进行分类，如：
有线网 按通信 介质分 低速网 按通信 中速网 速率分 按网络 控制方 式分 集中式网络 按数据 公共网 传输和 转接系 统的所 有者分 专用网
无线网
高速网
分布式网络
网络无处不在
学业水平测试适应性练习
• 填空题： 1.计算机网络是______和_____的产物。计算机网络就是用_____连接起来的 多个分散在各处的独立计算机的______。 2.根据计算机网络覆盖的地理范围的不同，我们可以把它分为_____、 _____ 和 _______。
网络无处不在
计算机网络的分类
计算机网络有多种分类标准，最常用的分类标准是网络范 围和计算机互联的距离来分类，也称”按网络规模(覆盖范围)“分 类方法。
范围：一间机房、一幢大楼或一所学校 传输介质：双绞线或同轴电缆 传输速率：10—100M、数百兆、千兆甚至万兆
按 网 络 规 模 分 类
局域网（LAN）
网络无处不在
校园网拓扑图
网络无处不在
2、计算机网络的主要功能有：
数据传送 、 分布处理 资源共享、 提高计算机的可靠性和可用性、 • 数据传送是计算机网络最基本的功能。 • 资源共享是计算机网络的重要功能。 计算机网络可以共享的资源有：
大型存储器，如网络硬盘。
硬件 共 享 计 算 机 的
特殊的外部设备，如打印机等。 大型机、巨型机的CPU处理能力，如云计算。
网络无处不在
重 难
点 点
教学方法 教学手段
一、导入新课：寻找生活中的网络 教师提问：什么是网络？生活中有哪些网络？ 学生回答： （网络就是用物理链路将各个孤立的工作站或主机相连在一 起，组成数据链路，从而达到资源共享和通信的目的。 电话网络；有线电视网和卫星网络；通过邮政或者快递网络；公路、 铁路、民航等交通网络；计算机网络(计算机和通信技术相结合)） 教师：请学生阅读教材第 1 章的引言。 二、讲授新课 任务一：找生活中计算机网络 学生活动：请学生根据自己的生活经验填写课本上任务一中的表格。 使用计算 机的场所 使用了计 算机网络 任务二：了解计算机网络的作用 1. 了解计算机网络在邮局汇款业务中的应用。 2. 了解计算机网络在银行储蓄业务中的应用。 3. 对家庭、图书馆、学校等熟悉的场所进行深入调查，了解使用计算 机网络前后的不同。 计算机网络的概念
第一节
网络无处不在
主备人：杨珊
课
题
第1章 第1节
走进网络世界 网络无处不在
课时
1 课时
教学目标
知识与技能： （1）了解计算机网络及其功能：数据传送、资源共享、提高计算机的可靠性和可用性、分 布处理。 （2）了解计算机网络的分类。 （3）能列举计算机网络的应用实例，并能识别它们使用了计算机网络的哪些功能。 （4）能根据网络的应用覆盖范围，辨别不同类型的计算机网络。 过程与方法： 能根据任务的需求，积极地进行调查与思考，具备一定的信息搜集能力，能对搜集到 的信息进行分析和归纳，总结出新的知识。 情感态度与价值观： 能够感知并主动关注现实生活中存在的各种计算机网络及计算机网络的使用带来的变 化。能思考计算机网络技术的发展和现实需求之间的关系。 计算机网络的概念、基本功能和分类。 计算机网络的概念、基本功能和分类。 教师讲解、演示、举例、对比，学生通过讨论和探究进行学习 网络教室；WindowsXP 操作系统 教 师 活 动 课 型 新授课 学 生 活 动
网络无处不在.
广域网 WAN
计算机网络
是什么？
①通信线路 ②分散各地的计算机连接 ③多台独立计算机的集合
按 网 络 规 模 分 类
深入学习
计算机网络 有什么用？
(3)分布处理 (4)提高计算 机的可靠性和可用性
局域网（LAN） 城域网（MAN） 广域网（WAN）
计算机网络 (1)数据传送 (2)资源共享 有哪些分类？
深入学习 计算机网络分类（互联距离）
分类 通信介质 传输速率 高 每秒百兆 以上 较快 主要作用 小范围的 数据传输 典型例子 校园网 局域网 专线，如同轴 电缆 LAN 城域网 MAN 同轴光纤 光纤 电话线、专 线 光纤
连接局域网 广州市 介于两者之间 提供服务 教育城域网 56K/s 提供多种多样 因特网 100M/s 的信息资源服务 邮政综合 计算机网
局域网通过交换机、路由器、DDN专线等接入 Internet
计算机网络的主要功能
深入学习
数据传送——通过计算机网络相互传
送数据和交换信息 资源共享——计算机软件、硬件和数 据通过网络共享使用 拓展计算机（PC）的功能——网络可 以根据情况，分配任务给计算机 分布处理——网络中的计算机共同承 担完成数据处理的任务
第一节 网络无处不在
学习目标
计算机网络是什么？——概念
计算机网络有什么用索巨款
一位神秘的黑客向某公司办事处发出一份传真，内容 是：他已盗用了该公司客户的绝密信用卡档案，如果满足 他索取10万美元的要求，他立即销毁这些保密资料，并发 誓不外泄。 该公司认为自己对客户资料保密严密，没有任何防范。 电脑黑客决定破斧沉舟，他将所盗的30万个该公司的客户 资料张贴到某网站上。于是任何网民可以轻松地获得客户 信用卡号码、姓名及地址。这是从最大的网上购物数据库 中得到的，谁使用了这些资料，就能享受免费购物。
生活中的网无处不在英语作文100字
生活中的网：无处不在的连结In today's world, the web is everywhere, intertwining our lives in countless ways. From the moment we wake up, we are connected to the internet, checking emails, scrolling through social media, and searching for information. The web has become an integral part of our daily lives, shaping the way we interact, learn, and entertain ourselves.In the workplace, the web provides a platform for communication and collaboration. Employees can share documents, ideas, and updates in real-time, enabling teams to work more efficiently and productively. Additionally, the web has opened up new opportunities for businesses to reach customers and markets around the world.In education, the web has revolutionized the way we learn. Students can access a wealth of information and resources online, enabling them to explore topics beyond the classroom. Teachers can also utilize online tools to engage students and personalize learning experiences.Moreover, the web has transformed our entertainment options. We can stream movies, music, and TV shows fromanywhere, anytime. Social media platforms allow us to connect with friends and family, sharing our lives and experiences.However, it's important to remember that while the web brings many benefits, it also poses challenges. We must be mindful of online safety and privacy, protecting ourselves from cyberbullying, scams, and other online risks.In conclusion, the web is an essential part of modern life, connecting us to information, people, and opportunities worldwide. As we continue to embrace the digital world, it's crucial that we also stay vigilant and responsible in our online actions.**生活中的网：无处不在的连结**在当今世界，网络无处不在，以各种方式融入我们的生活。
2024年互联网无处不在
感谢您的观看
汇报人：XX
互联网的未来展 望
6G网络的研发和应用
6G网络的概念和 特点
6G网络的技术创 新和突破
6G网络的应用场 景和优势
6G网络的发展趋 势和更广泛 的连接和应用
物联网将与人工智 能、大数据等技术 深度融合，提升智 能化水平
物联网安全问题将 得到更多关注，保 障数据和隐私安全
人工智能技术应用
自然语言处理：让计算机理 解和生成人类语言
机器学习：通过大量数据训练 模型，实现自我学习和改进
计算机视觉：让计算机具备 图像和视频处理能力
语音识别：将语音转化为文 字，方便计算机处理和存储
互联网对生活的 影响
社交方式的改变
社交媒体成为人们交流的主要渠道 短视频和直播成为新的社交形式 虚拟现实和增强现实技术改变人们的社交体验 社交电商和共享经济成为新的社交方式
电子商务的崛起： 随着互联网的普及， 电子商务逐渐成为 主流商业模式
电子商务的优势： 便捷、高效、全球 化，为企业提供更 多商机
电子商务的挑战： 网络安全、隐私保 护、物流配送等问 题需要解决
未来展望：随着技 术的进步，电子商 务将更加智能化、 个性化
传统产业的数字化转型
传统产业面临互联网的挑战与机遇 数字化转型的必要性和迫切性 数字化转型的路径和策略 数字化转型的实践和案例
物联网接入：智能家居、智能穿戴 设备等物联网设备的普及，使得互 联网接入方式更加多样化。
互联网应用场景
社交媒体：微信、微博、抖音等社交平台广泛使用 电子商务：淘宝、京东等电商平台普及，网购成为生活常态 在线教育：远程教育、在线课程等成为学习新模式 智能家居：智能电视、智能音响等智能家居设备普及
网络安全无处不在
网络安全无处不在随着互联网的迅猛发展，网络安全问题变得日益突出，从个人账户信息的被盗窃，到国家机密的遭到黑客攻击，网络安全威胁无处不在。
本文将探讨网络安全的重要性，并提供一些保护个人和组织免受网络攻击的建议。
一、网络安全的重要性在数字时代，网络已经成为我们生活中不可或缺的一部分。
我们购物、社交、工作、学习几乎都离不开网络。
然而，网络的普及也给罪犯提供了新的途径来进行各种恶意活动。
网络攻击手段日益复杂，包括病毒、木马、钓鱼网站等等。
如果我们不重视网络安全，我们的个人信息和财产将可能面临巨大风险。
其次，网络安全对于国家安全也至关重要。
现代国家几乎所有关键设施都与互联网相连，例如电力系统、交通系统、金融系统等。
一旦这些关键设施受到攻击，可能会导致巨大的社会混乱和经济损失。
因此，国家间的网络战争和黑客攻击也变得越来越常见。
二、个人网络安全保护建议1.强密码保护：使用复杂且唯一的密码对每个在线账户进行保护。
密码应包含字母、数字和特殊字符，并定期更换。
2.谨慎点击链接：避免点击不明来源的链接，尤其是来自陌生人或不可靠的邮箱。
这些链接可能会引导您进入钓鱼网站或下载恶意软件。
3.安装防病毒软件：使用可信赖的防病毒软件来保护您的计算机和移动设备，定期更新软件以获得最新的防护措施。
4.禁用公共Wi-Fi上的敏感操作：公共Wi-Fi网络往往不安全，黑客可能会窃取您的个人信息。
因此，避免在公共Wi-Fi上进行敏感操作，如进行网上银行或购物。
5.备份数据：将重要的文件和数据备份到云存储或外部设备上，以防止数据丢失或遭到勒索软件攻击。
三、组织网络安全保护建议1.及时更新软件和系统：定期更新软件和操作系统以修复已知漏洞，并加强网络安全。
2.员工教育和培训：组织应向员工提供网络安全教育和培训，增强员工的安全意识和技能，防止社交工程等攻击。
3.访问控制和身份验证：建立适当的访问控制措施，包括多因素身份验证和权限管理，以防止未经授权的访问。
Wi―Fi无处不在
Wi―Fi无处不在
我在一个商场里，问售货员：“请问你们这里的Wi-Fi 密码是什么？”“史努比，小写的。
”我输入snoopy，屡试屡败，于是怀疑自己拼错了单词，便怯怯地问：“对不起，能帮我写下来吗？”她丢过来一张纸条，一副很嫌弃的样子，只见上面写着：shinubi。
一天，老妈一脸惊慌地跑过来，把我拉到窗户边，说：“你看那人，在咱家门口站了半个多小时了，他不会是为了偷东西而在踩点儿吧？”我往外看了一眼，回房间把Wi-Fi 关了，再回身看屋外，那家伙已经走掉了。
顾客问：“服务员，Wi-Fi为什么连不上？”服务员回答：“你再连连看！”顾客急了：“我连Wi-Fi都连不上，怎么玩连连看？”
有人问我：“假如Wi-Fi和空凋只能选一样，你选哪个？”我想都设想就回答道：“Wi- Fi呗！”那人茫然地问我：“为什么？”我说：“连上Wi-Fi，看女神的朋友圈，心就拨凉拨凉的了。
”
坐在KFC呈开着4G玩手机，一个乞丐来乞讨，我很大方地给了他一个汉堡。
他就站在我旁边，一边吃汉堡一边看我玩。
后来，他慢
悠悠地说：“同学，这里有Wi-Fi，你4G没关啊！”
我很诧异，他居然知遵Wi-Fi和4G，便问：“你怎么知道这些？”
他噶嘻笑着说：“几天前我和你一样在这儿吃汉堡、玩手机，就是忘了关4G才成现在这样的。
”。
网络无处不在作文
网络无处不在作文网络无处不在作文在日常学习、工作或生活中，大家都经常看到作文的身影吧，借助作文人们可以反映客观事物、表达思想感情、传递知识信息。
如何写一篇有思想、有文采的作文呢？以下是小编帮大家整理的网络无处不在作文，供大家参考借鉴，希望可以帮助到有需要的朋友。
网络无处不在作文1“叮呤呤！”清脆的上课铃响了，同学们赶紧跑回教室，原来吵闹的学校一下子静了下来，像是顽皮的小姑娘一下子羞涩、忸怩起来。
上课了，今天教的是“东方之珠”，只见时老师用手指点击了一下鼠标，银幕上便出现了一幅令人神往的美图——“啊！香港！我国通向世界的南大门，香港！”同学们兴奋地叫起来！正在大家叫的同时，我惊奇地发现图象又变了，浪平沙细、阳光和煦的浅水湾展现在我们面前。
老师接着说：“这地方虽小，但名声不小。
”我们也觉得是这要样。
突然，我们的耳边传来浪涛拍岸的声音，同学们觉得很惊奇——原来是从音响里发出来的。
“同学们，让我们一起去海洋公园玩玩吧！”伴随着老师的说话声，一只只海豚、海狮的录像展现在我们的面前。
看完之后，它们那些幽默的动作逗得我们开怀大笑。
这时，在我们眼前的已不是那一只只可爱的海豚、海狮了，而是鳞次栉比的玉宇琼楼。
只见商店里的商品琳琅满目，大街上人流如潮。
背景慢慢地黑下来，“华灯初上，马路上车水马龙。
”老师一边说一边用鼠标在图上转了几圈，只见划过的痕迹变成了金光闪闪的绸带，又慢慢变成了一条金色的马路。
远远望去，每幢大楼流光溢彩，真可算得上是巧夺天工了！下了课，我跑到老师身边，用充满疑惑的语气问：“时老师，这些图片是从哪儿来的呢？”时老师回答：“其实呀，这些图片都是从网络上搜索过来的，再通过信息传送带送到发射机上的'。
”我明白了，看来我们身边不能缺少信息，网络真是无处不在啊！网络无处不在作文2“大家好！这里是美声图书馆。
我是中央电视台主持人李梓萌，我朗读的是《记金华的双龙洞》。
四月十四日，我在浙江金华游北山的双龙洞……”清晨，在高山流水般的背景音乐中，李梓萌那带着磁性的朗读声伴着晨曦在我耳边准时响起，我一边起床穿衣，洗脸刷牙，一边用手机听着蜻蜓FM广播里放的今天老师要给我们上的课文。