The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.

Which of the following are layer 1 devices that you can use? (Choose all that apply.)

A．A switch

B．A router

C．A network adapter card

D．A hub

E．A repeater

[单选题]___________[A] inflating[B] expanding[C] increasing[D] extending

[单选题]The hot expanding gas rotates the blades of the exhaust turbine, thus （） a large of its power, （） drives the compressor.A . to give off；whichB . giving off；whichC . to give off；thatD . giving off；that

[单选题]A． inflating B expanding C increasing D extending

It needs_.A. to repairingB. repairingC. to repairD. repaired

[单选题]The international trade needs the （） to fulfill its transaction.A . Great amount of shippedB . TracksC . LogisticsD . Ships

Although expanding into new markets can seem like a daunting process because it

[单选题]LAN端口利用率=LAN端口实占容量÷（）LAN端口容量×100%。A . LAN端口空闲容量B . LAN端口容量C . ONU端口容量

[单选题]The international trade needs the（） to fulfill it’s transaction.A . Great amount of shippedB . TracksC . LogisticsD . Ships

[名词解释] LAN

[名词解释] LAN：（）