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In an Ethernet network, under what two scenarios can devices transmit?（）
- A、when they receive a special token
- B、when there is a carrier
- C、when they detect no other devices are sending
- D、when the medium is idle
- E、when the server grants access
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单选题Your company has just upgraded its CATAGORY 5 Ethernet network from 10Mbps to 100Mbps. After the upgrade， the 20 Windows 2000 Professional computers in the marketing department can no longer connect to the network. The remaining 80 Windows 2000 computers in the company can connect， however. Your company uses NWLink as the only network protocol.You need to connect the computers in the marketing department to the network. What must you do？ （）A
Configure the NWLink frame type of the network adapters to be ethernet 802.3.B
Configure the NWLink frame type of the network adapters to be ethernet II.C
Replace the network adapters with 10/100 BNC adapters.D
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单选题Which one of the following actions would actually increase congestion on an Ethernet network?（）A
Increasing the number of collision domains.B
Micro-segmenting the network.C
Adding hubs for connectivity to the network.D
Putting additional switches in the network.E
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Configure the net system - id command under routerisis and enable IS - IS on each interface with the ip router isis command.B
Configure the net sy stem - id and the network net - id commands under routerisis.C
Configure the network net - id command(s) under routerisis and enable IS - IS on each interface with the ip router isis command.D
Configure the network net - id command(s) and the is - type level -1- 2 command under routerisis.E
Configure the net system - id and the network net - id commands under routerisis and enable ISIS on each interface with the ip router isis command.
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多选题In an Ethernet network, under what two scenarios can devices transmit?（）Awhen they receive a special tokenBwhen there is a carrierCwhen they detect no other devices are sendingDwhen the medium is idleEwhen the server grants access
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Add two HMCs with two Ethernet adapters each and run EtherChannel for the original eight partitions.B
Add two HMCs with two Ethernet adapters each and run Virtual Ethernet for the original eight partitions.C
Add two hosting partitions with two Ethernet adapters each and run EtherChannel for the original eight partitions.D
Add two hosting partitions with two Ethernet adapters each and run Virtual Ethernet for the original eight partitions.
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单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?（）A
This is a 10 Mb/s switch port.B
This is a 100 Mb/s switch port.C
This is an Ethernet port operating at half duplex.D
This is an Ethernet port operating at full duplex.E
This is a port on a network interface card in a PC
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单选题In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）A
single ATM headerB
single Ethernet headerC
ATM header followed by a PPP headerD
ATM header followed by an Ethernet header
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单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。A
This is a 10 Mb/s switch portB
This is a 100 Mb/s switch portC
This is an Ethernet port operating at half duplexD
This is an Ethernet port operating at full duplexE
This is a port on a network interface card in a PC
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