RRB Junior Engineer / DMS / CMA 2019 · Question 3699 of 3719
Twisted Pair Cable This cable is the most commonly used and is cheaper than the others. It is lightweight, cheap, can be installed easily, Unshielded Twisted Pair Cable It consists of two conductors usually copper, each with its own color plastic insulator. Identification is the reason behind colored plastic insulation. The advantages of Unshielded Twisted Pair Cable are given below. Installation is easy Flexible Cheap It has a high-speed capacity, 100-meter limit Higher grades of UTP are used in LAN technologies like Ethernet Shielded Twisted Pair Cable This cable has a metal foil or braided-mesh covering which encases each pair of insulated conductors. Electromagnetic noise penetration is prevented by a metal casing. The advantages of Shielded Twisted Pair Cable are given below. Easy to install Performance is adequate Can be used for Analog or Digital transmission Increases the signaling rate Higher capacity than unshielded twisted pair Eliminates crosstalk Bulky
Source: RRB JE 2019 (CBT 2) (IT) Previous Year Paper (30 Aug 2019) — prepp.in solved-paper PDF (answer key with explanations) · reliable-secondary
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