CompTIA Network+ Certification Study Guide part 24 ppsx

... solutions. Some of these mechanisms are internal to Windows itself, while others are third-party solutions or part of the IEEE 802.11 standard. In this sec- tion, we will be focusing primarily on ... CHAPTER 5: Wireless Networking 224 communicate with the AP. However, MAC addresses can be easily spoofed and maintaining a list ... computer is outlined in Exercise 5.1. Summary of Exam Ob...

Ngày tải lên: 04/07/2014, 13:21

... that transmits and receives electrical signals across the transmission media. They are also the part of the interface that actually connects to the media. Transceiver types can be classified as ... small company to cable its network. 8. The company has offices in two buildings that are 300 m apart. Both of the offices have about 15 computers and the numbers are expected to grow in near

Ngày tải lên: 04/07/2014, 13:21

... users who wanted to connect to a network had to obtain the TCP/IP protocol suite from a third party and install it. TCP/IP did not come bundled with the software. At times, the TCP/IP software ... platform for application developers. FIGURE 6.8 Data Moving through the OSI Layers. The OSI Model 247 computers, printers, and routers. This layer is also responsible for routing, Layer 3 s...

Ngày tải lên: 04/07/2014, 13:21

... holds true today that you should know about these technologies for the exam, so do not overlook studying for them. CHAPTER 6: The OSI Model and Networking Protocols 258 in terms of the limitations ... interface was written, that main- frame still could communicate only with its specified counterpart. If either mainframe’s operating system changed, the interface might be broken and progra...

Ngày tải lên: 04/07/2014, 13:21

... asked to explain what a certain IP address is 4. used for. The IP address is 224. 0.0.1. What are addresses in the 224. 0.0.0 range used for? A. SNMP B. HTTP C. POP3 D. Multicasting You are ... manage a network whether LAN or WAN. TCP/IP is a suite of protocols originally developed by the Department of Defense in a project called the Advanced Research Projects Agency (DARPA). The fir...

Ngày tải lên: 04/07/2014, 13:21

... targeting attacks and attack methodologies. This is perhaps the reason that CompTIA has been focusing many questions in this particular area. Although there are many different varieties and methods ... likely to be vulnerable, and then the risks of the vulnerability weighed against the need for the particular service connected to that port. Port vulnerabilities are constantly updated by...

Ngày tải lên: 04/07/2014, 13:21

... which resources are located in which areas of the organization. If an administrator followed a particular scheme of designing the hierarchy too closely, a hacker could determine its struc- ture ... she could then use this information to access objects contained in different OUs named after departments on the chart. Using naming conventions internal to the company (such as calling a Londo...

Ngày tải lên: 04/07/2014, 13:21

... installed on a particular machine. This information can be handy as a quick reference when trying to figure out what IP address and subnet mask has been assigned to a particular computer, particularly ... states:  Listening means that a particular port is open and waiting for con- nections, but no active connections have been made to it.  Established means that a particular connection i...

Ngày tải lên: 04/07/2014, 13:21

... 105.ATM6FW4.ALTER.NET (192.188.136 .245 ) 49.105 ms 49.921 ms 47.371 ms 6 298.XR2.DFW4.ALTER.NET (192.188 .240 .77) 48.162 ms 48.052 ms 47.565 ms 7 194.GW1.DFW1.ALTER.NET (192.188 .240 .45) 47.886 ms 47.380 ... However, you can run into connectivity issues if your network is using multiple frame types or if a particular machine has the incorrect frame type set. By default, NWLink will set...

Ngày tải lên: 04/07/2014, 13:21

... Information Processing Systems: LAN Part2 : LLC. Provides changes and corrections to the 802.2 standard 802.2e Supplement to 802.2, Information Processing Systems: LAN Part2 : Bit Referencing 802.2f ... Mbps and 16 Mbps Token Ring LANs on unshielded twisted-pair 802.5p LAN: Part 2: LLC; End System Determination 802.5q LAN: Part 5: MAC Revision 802.5r Revision of IEEE Standard 802.5 f...

Ngày tải lên: 04/07/2014, 13:21