CompTIA Network+ Certification Study Guide part 43 pot

... connections. Keep Test Day Tip You will not need to know how an e-commerce DMZ is set up to pass the Network+ exam; however, it is important to know this information for real-world security work. CHAPTER ... performance making small changes to the access controls to more easily manage the rule sets. Using these guidelines, administra- tors should be able to quickly get the site up and ru...

Ngày tải lên: 04/07/2014, 13:21

... together, the LANs become parts of a WAN. When looking at WANs, ownership isn’t a defining factor. WANs are often owned and managed by more than one organization. Each LAN that is part of the WAN may ... part of the WAN may be managed by individuals or IT departments, and either maintains their connection to the rest of the LAN or hires outside parties to perform that function. For exa...

Ngày tải lên: 04/07/2014, 13:20

... enhancement to the previous grades and provides support for 10 Gigabit Ethernet. It is officially a part of the 568A standard, making it a standard grade of cable for UTP installations. STP As its

Ngày tải lên: 04/07/2014, 13:21

... CHAPTER 3: Network Devices 106 HEAD OF THE CLASS… What Do I Need to Know About Token Ring for the Network+ Exam? Although an aging technology, Token Ring is still sup- ported on a great many networks. ... other devices converging together, requiring networks to have fewer components. When taking the Network+ exam, it is wise to consider such devices as separate, rather than as one dev...

Ngày tải lên: 04/07/2014, 13:21

... authentication B. Port mirroring C. VLAN D. Trunking You want to have computers in different buildings to be part of the 12. same broadcast domain, so that when a computer sends a broad- cast message, all ... when they leave to a new facility or area of a building. Cabling installations are considered part of the cost of the move and are essentially tossed out. With a wireless netwo...

Ngày tải lên: 04/07/2014, 13:21

... this chapter, we look at the networking models that provide guidelines for vendors of networking products, including the early Depart- ment of Defense (DoD) model as well as the International ... all ports, as a physical layer hub does. Bridges provide a way to segment a network into two parts and filter traffic by building tables that define which computers are located on which side ......

Ngày tải lên: 04/07/2014, 13:21

... HTTP Port 110 maps to POP3 Port 119 maps to NNTP Port 123 maps to NTP Port 143 maps to IMAP4 Port 443 maps to HTTPS Port 137 (UDP) maps to the name service Port 133 (UDP) maps to ... HTTPS, which is basically secure HTTP, uses SSL to encrypt Web traffic running. SSL runs on port 443. DNS is used to resolve a hostname to an IP address to facilitate the  delivery of network...

Ngày tải lên: 04/07/2014, 13:21

... network into two parts. This is done by borrowing bits from the host ID portion of the IP address. When you take bits from the host address space, you reduce the number of potential host addresses ... 146.64.176.0 10010001.01000000.10110000.00000000 Note You will not need to know ANDing for the Network+ exam; it’s only needed to help with the conversion of IP addresses, testing, and so...

Ngày tải lên: 04/07/2014, 13:21

... about DSL technology, although the questions are not essentially focused on that particular technology. The Network+ exam is notorious for these types of scenario questions. Be able to isolate ... networks. POTS/PSTN The PSTN refers to the international telephone system based on copper wires carrying analog voice data. Telephone service carried by the PSTN is often called POTS, which ....

Ngày tải lên: 04/07/2014, 13:21

... Inspection Communication information Partial Partial Yes Communication-derived state No Partial Yes Application-derived state No Yes Yes Information manipulation Partial Yes Yes Hardware and Software ... (URLs): ISP-Planet Survey: managed Security Service Providers, partici- pating provider’s chart, www.isp-planet.com/technology/mssp/ participants_chart.html. Managed firewall services char...

Ngày tải lên: 04/07/2014, 13:21