Which Of The Following Is Not A Type Of Cable Used In Wired Networks?
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Which Of The Following Is Not A Type Of Cable Used In Wired Networks?
Un shielded coaxial is not the type of cable that is used in the wired networks. Now, let us discuss different types of coaxial cables in detail. Usually, we use different types of networking cables that are used to connect different devices. In the concept of networking, the most commonly used cables include coaxial cables, twisted pair cables, optical fiber cables, parallel cables, and serial cables. All these uses depend upon the concept of the network topology hardware and the software and also the network size.
We have different networking keyboards connectors and their specifications which belong to the physical layer of the OSI model. Now, let us learn about the coaxial cables and some of the common connectors in detail. The below figure represents the coaxial cable. When we look at the structure of the coaxial cable, we can see that the outer cover is the PVC or it is a fire-resistant plastic which is called the sheath. The braided metal shielding will reduce the electromagnetic interference or it can be called EMI. The underneath shielding is called the PVC or it can be called the Teflon insulator. We have the central metal core which is the copper conductor. The coaxial cable is normally used to carry the high-frequency electronic signals with low losses. This is commonly used in the telephonic system or the broadband internet, high-speed computer data busses, or it can be TV, or it can be ethernet. We have hundreds of specifications. But most of the coaxial cables use the RG number. Now, let us learn what is RG in detail. The RG stands for the Radio guide, this radio guide will have different purposes. We have the RG 6 coaxial. Let us take an example to understand that concept in detail. It is very typical if we have a Television or a cable network.
All the coaxial cables are rated in the ohms for their resistance. An ohm is a unit of the resistance for the flow of the electric current in the circuit. The coaxial cables look very similar to each other. This coaxial cable is not at all easy to tell the difference by the physical appearance or by size.
Simply reading the text on the cable is the best method to read the product. Let us discuss different types of connectors. We have the BNC connectors, SMA connectors, F-type connectors, and N connectors. In the BNC connectors, the BNC stands for British navel connecter. Another type is the N connectors, the N connectors are the weatherproof RF connectors that are capable of calling the microwave frequency signals. The next type is the SMA connectors, the SMA stands for subminiature version A. These are often used in high frequency and wifi systems. And now, the F-type connectors are normally used to connect the cable modem, if we have the cable TV or the cable internet. The RG – 6 cables are normally terminated with the F type of connectors.