CompTIA Network+ Certification Study Guide part 79 doc

... 506–507 change control documentation, 483–484 documentation types, 479 481 documenting configurations, 481–483 load balancing, 501 network monitoring, 493–504, 507–508 notification documentation, 496–497 password ... local area networks (WLANs), 173, 179, 185, 192, 221, 222, 224 Wireless media, 86 Wireless networks, 138, 145, 649 adapter, 179, 200, 202 antenna concepts, 178– 179 architec...

Ngày tải lên: 04/07/2014, 13:20

... more immune to interference the signal becomes. If part of the transmis- sion is corrupted, the data can still be recovered from the remaining part of Note One megahertz represents 1 million cycles ... the MAC layer is particularly noteworthy and has significant consequences for the security of wireless net- works. This means that data at the higher levels of the OSI model, particu- lar...

Ngày tải lên: 04/07/2014, 13:21

... most effective techniques in attacking a wireless network, whether it’s to map the network as part of a target reconnaissance, to grab passwords, or to capture unencrypted data. Sniffing is ... the SSID, the channel, and the manufacturer of the wireless AP. There are a few things that are particularly noteworthy about this session. The first is that a couple of APs are still configured

Ngày tải lên: 04/07/2014, 13:21

... com- bined with the zip code is a unique combination that identifies a particular house or building just as an IP address identifies a particular host. Figure 7.3 illustrates this concept. Large networks ... Class E addresses, which are considered experimental at this time. In addition, there are several guidelines regarding allowable or legal addresses for network IDs and for host IDs. As...

Ngày tải lên: 04/07/2014, 13:21

... included (as you’ll recall, the physical or HEAD OF THE CLASS… Network+ Exam is Focused on TCP/IP … Period. For those of you taking the Network+ exam, you will need to know TCP/IP in detail. It’s ... in detail. It’s the most commonly used protocol today and the most tested on the exam. On the Network+ exam, the term IPX/SPX (as well as the others) will come up a lot so it may appea...

Ngày tải lên: 04/07/2014, 13:21

... performing a security audit for a company to determine 3. their risk from various attack methods. As part of your audit, you work with one of the company’s employees to see what activities he performs ... various authentication methods. One of the methods being described uses a time-stamped ticket as part of its methodology. Which authentication method would match this description? A...

Ngày tải lên: 04/07/2014, 13:21

... CHAPTER 10 Network Management Configuration Management 479 involves documentation of a device’s configuration, as well as keeping that documentation up to date so that any future changes can ... policy, procedures, configurations, and using regulations are all a part of configuration management documentation. What should I document? Well, many network managers and engineers have varying ....

Ngày tải lên: 04/07/2014, 13:21

... OF THE CLASS… Understanding ICMP The ICMP is documented in RFC 792 , which you can read online at www.freesoft.org/CIE/RFC/ 792 /index.htm. ICMP is part of the TCP/IP proto- col suite that operates ... and other more advanced tools that won’t necessarily appear on the Network+ exam, but can still be used to troubleshoot a particular problem. Utilizing the ping Command The ping comman...

Ngày tải lên: 04/07/2014, 13:21

... [-h] dig [global-queryopt ] [query ] CHAPTER 11: Network Troubleshooting Tools 550 use a particular route. This is particularly useful if you’re creating multiple routes to the same network as a fault ... configured on the client.  set querytype=X Restricts the query type so that it only returns a particular type of records. You can restrict nslookup queries to look for CNAME records, MX...

Ngày tải lên: 04/07/2014, 13:21

... This chapter will help you to put together all of the concepts you’ve learned throughout this study guide, to help you use them in troubleshooting real-world issues that you might encounter on ... LAYER 614 INTRODUCTION Congratulations! You’ve made it almost all the way through the Network+ exam preparation guide. You’ve learned all about the physical and logical components that mak...

Ngày tải lên: 04/07/2014, 13:21