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The technician notices that one of the wires in a CAT5 cable is cut in half. Which of the followingconnectivity issues did the technician discover?()
- A、Open pairs
- B、Attenuation
- C、Crosstalk
- D、Interference
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单选题After testing a new 100BaseTX cable, the technician determines that only pairs 4, 5, 7, and 8 are straight-thru wires. Which of the following MOST likely describes this cable type?()A
Crossover cable with open pairsB
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考题
单选题The technician notices that one of the wires in a CAT5 cable is cut in half. Which of the followingconnectivity issues did the technician discover?()A
Open pairsB
AttenuationC
CrosstalkD
Interference
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单选题A technician needs to find an end of a network cable drop. Which of the following tools would the technician use?()A
Cable testerB
MultimeterC
Toner probeD
Loopback plug
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多选题Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes. Which commands will accomplish these options?()Ashow hostsBshow sessionsCshow connectionsDdisconnectECTRL+SHIFT+6xFexit
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单选题When testing a CAT5 cable, the technician notices that pin A is open. However, the cable stillworks fine. Which of the following describes how this is possible?()A
The cable was tested for 100Base-TX.B
The cable is a 1000BaseT cable.C
The switch uses link aggregation,D
The switch was setup to use MDIX
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