ccna 200-301 network simulator torrent

ccna 200-301 network simulator torrent.Foil shielded twisted pair (FTP), as shown in Figure 2-1-6, has a larger bandwidth and is more resistant to interference. Relatively, shielded wire than unshielded wire price and installation costs are a bit higher, cable bending performance is slightly worse. Category 6 wire and shielded systems before Category 6 are mostly used in this form.ShieldedTwisted-Pair (STP), as shown in Figure 2-1-7, each pair of twisted pairs have an aluminum foil shield. Four pairs of twisted pairs are combined together and have a common metal braid shield, which is the standard construction for Category 7 wire. It is suitable for high-speed networking applications, provides highly confidential transmission, supports new future applications, and helps unify the cabling platform for current network applications, allowing all kinds of information, from e-mail to multimedia video, to be transmitted in the same high-speed system. The additional shield allows a larger wire diameter for Category 7 wire, and these features require aFigure 2-1-5 Unshielded Twisted Pair Wire Figure 2-1-6 Aluminum foil shielded twisted pair wire is designed to be installed and terminated with special care, allowing for a large space and a large bend radius. Shielded twisted-pair cables require a layer of metal foil, the covering layer, to wrap each pair in the cable, sometimes using another covering layer to wrap each pair in a multi-pair cable11 Awires, or using a metal shield to replace this outer layer of wrapped metal foil. The overlay and shield help to absorb ambient interference and channel it underground to eliminate it. This means that the metal foil and shield must be soldered with the same care as when soldering the conductor, and that the mechanism for introducing it underground is safe and secure. STP and FTP are much more costly and a much more difficult installation process.(2) Twisted pair practice. Before we talk about twisted pair practices, let's understand the pinout of the crystal head (RJ-45). Be careful to distinguish between the RJ. 45 and the RJ-11, which has only 4 pins and is used for telephone line connectors, and the RJ.45, which has 8 pins and is used for Ethernet connections. The RJ-11 connector is significantly smaller in shape than the RJ-45 connector.The RJ.45 crystal head includes two ends, a plug on one end and a jack on the other. The plug can be plugged into the Ethernet port of a computer, hub, switch or router, while the jack is connected to the connecting wire (now most commonly a Category 5 wire that is not a shielded twisted pair). The wiring standard developed by EIA/HA (the Electronic Industries Association "EIA" and the Telecommunications Industry Association "TIA" have developed a standard for telecommunications wiring in commercial buildings called EIAZHA-568 Commercial Building Wiring Standard) specifies different colors of 4 pairs of twisted pairs with pin connections. The EIA/TIA-568 standard specifies two connection standards, EIA/TIA-568A and EIA/TIA-568B, which are not substantially different from each other. With the plug end of the RJ-45 facing the eye and the side with the eight copper contacts on the bottom, the leftmost side is and the rightmost side is , as shown in Figure 2.1.8.Figure 2-1-7 Individually Shielded Twisted Pair Figure 2-1-8 RJ-45 Pin Numbering The connection method specified in T568A is.1 - green-white (that is, some green on the outer layer of white, indicating a pair of wires with the green one) (that is, some orange on the outer layer of white, indicating a pair of wires with the orange one) (that is, some blue on the outer layer of white(that is, some orange on the outer layer of white, and orange is a pair of lines) (that is, some blue on the outer layer of white, and blue is a pair of lines) (on a green is some brown on the outer layer of white, and brown is a pair of lines) - orange. White -- brown ------ blue The connection method specified in T568B is: