单项选择题
What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?()
	A. a straight-through cable
	B. an EIA/TIA-232 serial cable
	C. an auxiliary cable
	D. a modem cable
	E. a cross-over cable
                    
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                                    多项选择题
                                    
 What components are required to directly connect two PCs so they are able to participate in a simple peer-to-per network?()
 A. Straight-through cable 
 B. Compatible network interfaces
 C. Networking protocol
 D. Hub
 E. Crossover cable
 F. router
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                                    单项选择题
                                    
 Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?()
 A. Rollover cable 
 B. Console cab le
 C. Crossover cable
 D. Straight-through cable
 E. Serial cable
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                                    多项选择题
                                    
 You are experiencing intermittent issues relating to congestion with your network.What are the possible causes of congestion on a LAN?()
 A. A broadcast domain with too many hosts. 
 B. Full duplex operation.
 C. Broadcast storms.
 D. Multicasting.
 E. Network Segmentation.
 F. Low bandwidth.
 
             
             
                
            