考试终于结束了，不枉费我这几个月的努力，现在终于可以轻松一段时间，接下来就是据继续攻克CCIE，接下来分享一下我的考试尽力吧，希望对正在努力中的朋友们一点帮助。
考试教材我选用的是人民邮电出版社出版的CCNP学习丛书，但是这套书只有《构建可扩展的cisco网络》、《构建远程访问网络》和《构建cisco多层交换网络》三本书，这几本书是严格按照Cisco官方培训的英文教材翻译的，而且翻译的质量不错，至少比微软的中文教材强，呵呵。考试中的内容几乎都可以在书中找到影子，因此对想要考CCNP的朋友们来讲，这套书为必备用书。可是这套书缺少另外一门ccnp必考课目《Cisco互联网络排错》，没办法，我就选了一本电子工业出版社影印SYBEX公司Support考试指南，（其实ccnp中的support和互联网络排错是一样的）不过这本书是英文版的，因为我通过ccna时就是选的电子工业出版社影印SYBEX公司的ccna考试指南，感觉对学习很有帮助。但是不知道人邮出版社为什么不出版《Cisco互联网络排错》，希望能够早日出版，让我们没必要去抱着英文书籍狂啃了。
因为工作关系，每次读书时间不是很固定，但是我建议大家最好每天至少抽出1－2个小时的时间来看书。记住要坚持，我也许比较笨的原因吧，如果隔两天看一次的话，发现以前看过的内容有时候记不起来了。还有一个就英文问题，其实这种考试没有语法问题，关键是单词，尤其是某些术语，这就要读英文教材来帮助了，另外通过考试模拟题也能帮助大家克服英文恐惧症。
考试模拟题我选择的肯定是大名鼎鼎的boson模拟题，boson模拟题是一个不错的选择，我感觉boson的模拟题和ccnp考试题目比较接近，甚至有些题难度好像还要超过我考试中碰到的题目。做模拟题的关键是为了能够找到我们在看书中过程遗漏的知识点，因为ccnp考试的题目出的很细，内容肯定包括所有的知识。我们读书不可能做到一丝不露的，所以模拟题一定要做。在我的了解中，做boson模拟题的人通过率是很高的。
在这个之外呢，为了能让自己更有把握一次通过考试，我还看了testinside 642-892的题库，第一他们网站的题质量确实很好，在很多论坛上都有他们的考题分享，大家不妨也看看，另外软件版本做的非常不错，我推荐一下大家可以使用一下。这个在网站上也都是可以找到的。
下面跟大家分享一下Testinside642-892 V3.29 考题分享，考试过程中惊奇的发现，考题基本上全部都覆盖到了，就差了两题是不一样的。
1. When an attacker is using switch spoofing to perform VLAN hopping, how is the attacker able to gather information?
A. The attacking station uses DTP to negotiate trunking with a switch port and captures all traffic that is allowed on the trunk
B. The attacking station tags itself with all usable VLANs to capture data that is passed through the switch,regardless of the VLAN to which the data belongs.
C. The attacking station will generate frames with two 802.1Q headers to cause the switch to forward the frames to a VLAN that would be inaccessible to the attacker through legitimate means.
D. The attacking station uses VTP to collect VLAN information that is sent and then tags itself with the domain information in order to capture the data.
Answer: A
2. Which statement is true about the Lightweight Access Point Protocol (LWAPP)?
A. The control traffic between the client and the access point is encapsulated with the LWAPP.
B. Data traffic between the client and the access point is encapsulated with LWAPP.
C. Authentication, security, and mobility are handled by the access point.
D. Realtime frame exchange is accomplished within the access point.
Answer: D
3. Refer to the exhibit. Based upon the information that is given, how will voice traffic from the phone and data traffic from the PC be handled by SW_1?
A. The switch port will trust the CoS value of the ingress voice and data traffic that comes into the switch port.
B. The switch port will perform marking for the ingress voice and data traffic by using the default CoS value at the switch port.
C. The switch port will trust the CoS value of the ingress voice traffic. Data traffic will be marked at the switch port with the default CoS value.
D. The switch port will trust the CoS value of the ingress data traffic. Voice traffic will be marked at the switch port with the default CoS value.
Answer: A
4. How is the designated querier elected in IGMPv2?
A. The first router to appear on a subnet is designated.
B. The host that responds first to the election query is designated.
C. The router with the lowest IP address on a subnet is designated.
D. The host with the lowest MAC address on a segment is designated.
Answer: C
5. Which type of IGMP message is sent when a network client wants to join a multicast group?
A. host membership query
B. host membership report
C. host membership status
D. host membership notification
Answer: B
讲了这么多考试的事情，还要说一点考试固然重要但是最重要的还是实战技术，我们大家考这些证书就是为了找到一份好的工作。现在用人单位招聘首先就要看证书，没有证书谈都不用谈，哎~~ 也许有些人会说，我没有证书也一样混的很好，
这些话肯定是资格很老的前辈们讲的，但是作为像我这样踏入这个圈子没多久的新手来说，证书还是比较有用的。
希望拙文对准备考CCNP的考友们有所帮助，呵呵！
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