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})(window)</script><meta name="generator" content="Hexo 6.0.0"></head><body><div id="sidebar"><div id="menu-mask"></div><div id="sidebar-menus"><div class="avatar-img is-center"><img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fc-ssl.duitang.com%2Fuploads%2Fitem%2F202004%2F19%2F20200419153707_epbur.thumb.1000_0.jpg&refer=http%3A%2F%2Fc-ssl.duitang.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1650101747&t=392bba58c2d3b83fbe3e12be4d54d0f7" onerror="onerror=null;src='/img/friend_404.gif'" alt="avatar"/></div><div class="site-data is-center"><div class="data-item"><a href="/archives/"><div class="headline">Articles</div><div class="length-num">3</div></a></div><div class="data-item"><a href="/tags/"><div class="headline">Tags</div><div class="length-num">1</div></a></div><div class="data-item"><a href="/categories/"><div class="headline">Categories</div><div class="length-num">0</div></a></div></div><hr/><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> 主页</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> 标签</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> 分类</span></a></div><div class="menus_item"><a class="site-page group" href="javascript:void(0);"><i class="fa-fw fas fa-list"></i><span> 连接</span><i class="fas fa-chevron-down"></i></a><ul class="menus_item_child"><li><a class="site-page child" href="/link/"><i class="fa-fw fas fa-link"></i><span> 友情链接</span></a></li><li><a class="site-page child" href="/about/"><i class="fa-fw fas fa-heart"></i><span> 关于</span></a></li></ul></div></div></div></div><div class="page" id="body-wrap"><header class="full_page" id="page-header" style="background-image: url('https://w.wallhaven.cc/full/n6/wallhaven-n6vv27.png')"><nav id="nav"><span id="blog_name"><a id="site-name" href="/">xibei's Blog</a></span><div id="menus"><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> 主页</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> 标签</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> 分类</span></a></div><div class="menus_item"><a class="site-page group" href="javascript:void(0);"><i class="fa-fw fas fa-list"></i><span> 连接</span><i class="fas fa-chevron-down"></i></a><ul class="menus_item_child"><li><a class="site-page child" href="/link/"><i class="fa-fw fas fa-link"></i><span> 友情链接</span></a></li><li><a class="site-page child" href="/about/"><i class="fa-fw fas fa-heart"></i><span> 关于</span></a></li></ul></div></div><div id="toggle-menu"><a class="site-page"><i class="fas fa-bars fa-fw"></i></a></div></div></nav><div id="site-info"><h1 id="site-title">xibei's Blog</h1><div id="site-subtitle"><span id="subtitle"></span></div></div><div id="scroll-down"><i class="fas fa-angle-down scroll-down-effects"></i></div></header><main class="layout" id="content-inner"><div class="recent-posts" id="recent-posts"><div class="recent-post-item"><div class="post_cover left"><a href="/2022/03/07/hello-world/" title="Hello!"><img class="post_bg" src="https://w.wallhaven.cc/full/n6/wallhaven-n6vv27.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="Hello!"></a></div><div class="recent-post-info"><a class="article-title" href="/2022/03/07/hello-world/" title="Hello!">Hello!</a><div class="article-meta-wrap"><span class="article-meta"><i class="fas fa-thumbtack sticky"></i><span class="sticky">Sticky</span><span class="article-meta-separator">|</span></span><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">Created</span><time datetime="2022-03-07T08:22:43.272Z" title="Created 2022-03-07 16:22:43">2022-03-07</time></span></div><div class="content">欢迎来到西贝的博客!!
</div></div></div><div class="recent-post-item"><div class="post_cover right"><a href="/2022/03/17/%E4%BA%91%E8%AE%A1%E7%AE%97%E7%AC%AC%E4%BA%8C%E6%AC%A1%E4%BD%9C%E4%B8%9A/" title="云计算作业2"><img class="post_bg" src="https://w.wallhaven.cc/full/wq/wallhaven-wqve97.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="云计算作业2"></a></div><div class="recent-post-info"><a class="article-title" href="/2022/03/17/%E4%BA%91%E8%AE%A1%E7%AE%97%E7%AC%AC%E4%BA%8C%E6%AC%A1%E4%BD%9C%E4%B8%9A/" title="云计算作业2">云计算作业2</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">Created</span><time datetime="2022-03-17T09:23:18.000Z" title="Created 2022-03-17 17:23:18">2022-03-17</time></span></div><div class="content">1.列举威胁作用者有哪些，并简要说明。(1) 匿名攻击者，是不被信任的威胁作用者，通常试图从云边界的外部进行攻击；(2) 恶意服务作用者，截取网络通信，试图恶意地使用或篡改数据；(3) 授信的攻击者，是经过授权的云服务用户，具有合法的证书，它会使用这些证书来访问基于云的IT资源；(4) 恶意的内部人员，是试图滥用对云资源范围的访问特权的人。2.列举云安全威胁有哪些，并简要说明。(1)流量窃听和恶意媒介攻击，通常是由截取网络流量的恶意服务作用者实施的；(2)拒绝服务攻击，当目标IT资源由于请求过多而负载过重，这些请求意在使IT资源性能陷入瘫痪或不可用；(3)授权不足攻击，指错误的授予了攻击者访问权限或是授权太宽泛，或是使用了弱密码；(4)虚拟化攻击，利用虚拟化环境的漏洞获得了对底层物理硬件未被授权的访问；(5)信任边界重叠潜藏了一种威胁，攻击者可以利用多个云用户共享的、基于云的IT资源。
</div></div></div><div class="recent-post-item"><div class="post_cover left"><a href="/2022/03/12/%E4%BA%91%E8%AE%A1%E7%AE%97%E4%BD%9C%E4%B8%9A1/" title="云计算作业1-云使能技术和虚拟化软件"><img class="post_bg" src="https://w.wallhaven.cc/full/z8/wallhaven-z839rg.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="云计算作业1-云使能技术和虚拟化软件"></a></div><div class="recent-post-info"><a class="article-title" href="/2022/03/12/%E4%BA%91%E8%AE%A1%E7%AE%97%E4%BD%9C%E4%B8%9A1/" title="云计算作业1-云使能技术和虚拟化软件">云计算作业1-云使能技术和虚拟化软件</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">Created</span><time datetime="2022-03-12T07:01:59.000Z" title="Created 2022-03-12 15:01:59">2022-03-12</time></span></div><div class="content">1.云使能技术主要包括哪些技术组件？简要说明其关键特征。● 数据中心技术：一种特殊的IT基础设施，用于集中放置IT资源；● 虚拟化技术：是将物理IT资源转换为虚拟IT资源的过程，虚拟服务器使用自己的客户操作系统，独立于创建虚拟服务器的操作系 统，在虚拟服务器上运行的客户操作系统和应用软件，都不会感知到虚拟化的过程；● Web技术：WWW是由通过Internet访问的互联IT资源构成的系统，其两个基本组件是Web浏览器客户端和Web服务器；● 多租户技术：使用隔离，数据安全，可恢复性，应用升级，可扩展性，使用计费，数据层隔离；● 服务技术：基于Web的服务(如Web服务和REST服务)依靠非专有通信和技术接口定义来建立基于Web技术的标准通信框架，服务代理提供事件驱动运行时处理，适用于云中大量的功能。许多代理都自动部署在操作系统和基于云的产品中，服务中间件(如ESB和业务流程平台)可以在云上部署。
2.列举至少3种虚拟化软件，并概括其特点● VMware ESXi重点于服务器虚拟化，技术较成熟，功能也多，支持虚机系统多；● Xenserver重点在于桌面虚拟化，性价比高，网络性能好，适用 ...</div></div></div><nav id="pagination"><div class="pagination"><span class="page-number current">1</span></div></nav></div><div class="aside-content" id="aside-content"><div class="card-widget card-info"><div class="is-center"><div class="avatar-img"><img src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fc-ssl.duitang.com%2Fuploads%2Fitem%2F202004%2F19%2F20200419153707_epbur.thumb.1000_0.jpg&refer=http%3A%2F%2Fc-ssl.duitang.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1650101747&t=392bba58c2d3b83fbe3e12be4d54d0f7" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/></div><div class="author-info__name">xibei</div><div class="author-info__description">西贝的博客</div></div><div class="card-info-data is-center"><div class="card-info-data-item"><a href="/archives/"><div class="headline">Articles</div><div class="length-num">3</div></a></div><div class="card-info-data-item"><a href="/tags/"><div class="headline">Tags</div><div class="length-num">1</div></a></div><div class="card-info-data-item"><a href="/categories/"><div class="headline">Categories</div><div class="length-num">0</div></a></div></div><a id="card-info-btn" target="_blank" rel="noopener" href="https://github.com/xxxxxx"><i class="fab fa-github"></i><span>Follow Me</span></a></div><div class="card-widget card-announcement"><div class="item-headline"><i class="fas fa-bullhorn fa-shake"></i><span>Announcement</span></div><div class="announcement_content">This is my Blog</div></div><div class="sticky_layout"><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>Recent Post</span></div><div class="aside-list"><div class="aside-list-item"><a class="thumbnail" href="/2022/03/17/%E4%BA%91%E8%AE%A1%E7%AE%97%E7%AC%AC%E4%BA%8C%E6%AC%A1%E4%BD%9C%E4%B8%9A/" title="云计算作业2"><img src="https://w.wallhaven.cc/full/wq/wallhaven-wqve97.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="云计算作业2"/></a><div class="content"><a class="title" href="/2022/03/17/%E4%BA%91%E8%AE%A1%E7%AE%97%E7%AC%AC%E4%BA%8C%E6%AC%A1%E4%BD%9C%E4%B8%9A/" title="云计算作业2">云计算作业2</a><time datetime="2022-03-17T09:23:18.000Z" title="Created 2022-03-17 17:23:18">2022-03-17</time></div></div><div class="aside-list-item"><a class="thumbnail" href="/2022/03/12/%E4%BA%91%E8%AE%A1%E7%AE%97%E4%BD%9C%E4%B8%9A1/" title="云计算作业1-云使能技术和虚拟化软件"><img src="https://w.wallhaven.cc/full/z8/wallhaven-z839rg.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="云计算作业1-云使能技术和虚拟化软件"/></a><div class="content"><a class="title" href="/2022/03/12/%E4%BA%91%E8%AE%A1%E7%AE%97%E4%BD%9C%E4%B8%9A1/" title="云计算作业1-云使能技术和虚拟化软件">云计算作业1-云使能技术和虚拟化软件</a><time datetime="2022-03-12T07:01:59.000Z" title="Created 2022-03-12 15:01:59">2022-03-12</time></div></div><div class="aside-list-item"><a class="thumbnail" href="/2022/03/07/hello-world/" title="Hello!"><img src="https://w.wallhaven.cc/full/n6/wallhaven-n6vv27.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="Hello!"/></a><div class="content"><a class="title" href="/2022/03/07/hello-world/" title="Hello!">Hello!</a><time datetime="2022-03-07T08:22:43.272Z" title="Created 2022-03-07 16:22:43">2022-03-07</time></div></div></div></div><div class="card-widget card-tags"><div class="item-headline"><i class="fas fa-tags"></i><span>Tags</span></div><div class="card-tag-cloud"><a href="/tags/homework/" style="font-size: 1.1em; 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