单选题A user’s workstation currently has four connected IDE devices. Which of the following could be added to the workstation to allow more ATA devices to be added to the workstation?()ANetwork Interface cardBPort expansion cardCSerial interface cardDModem card

单选题
A user’s workstation currently has four connected IDE devices. Which of the following could be added to the workstation to allow more ATA devices to be added to the workstation?()
A

Network Interface card

B

Port expansion card

C

Serial interface card

D

Modem card


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单选题A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?()ADSLAMBDSL modemCERX Edge RouterDcustomer workstation

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