1) Some kinds of copper cable mitigate EMI and RFI by ______ a) Using metallic shielding b) Twisting opposing circuit pair wires c) Shortening the distance d) None of them 2) Some kinds of copper cable mitigate crosstalk by _____ a) Shortening the distance b) Using metallic shielding c) Twisting opposing circuit pair wires d) None of them 3) In copper cabling the longer the electrical signals have to travel, the weaker they get. a) True b) False 4) Choose the image of UTP cable a) b) c) d) 5) Choose the image of STP cable a) b) c) d) 6) Choose the image of coaxial cable a) b) c) d) 7) Choose the image of fiber cable a) b) c) d) 8) Crossover is used to connect host to host. a) True b) False 9) Straight-through is used to connect the Host serial port to the Router or Switch. a) True b) False 10) A Wireless LAN (WLAN) requires Wireless Access Point and Wireless NIC Adapters. a) True b) False 11) Copper cable with a conductor surrounded by an insulating layer, and then a conducting shield. a) coaxial cable b) twisted pair cable c) fiber optic cable d) plenum cable 12) Cable designed to carry light signals over a glass or plastic core a) fiber optic cable b) twinaxial cable c) twisted pair cable d) coaxial cable

Topic 1 : Interesting Activity

Výsledková tabule/Žebříček

Vizuální styl

Možnosti

Přepnout šablonu

Obnovit automatické uložení: ?