Anetworkadministratorneedstoaddanadditionalconnectiontoaroom.TheadministratoraddsanewEthernetswitchandmustconnectittoanexistingswitch. Whichcabletypeshouldbeusedtoconnectthetwoswitches?()
A. CAT3cable
B. Serialcable
Crossovercable
D. Rollovercable
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A server is experiencing an undetermined problem. Which of the following steps should the techniciantake in order to identify whether it is a software or hardware problem?()
A. Reseat all main components
B. Try to replicate the problem
C. Flash the BIOS
D. Reinstall the operating system
在水路运输中,关于市场运价说法正确的是()。
A. 由托运人、承运人双方自由商定的运价
B. 在国家总的指导价的基础上,根据市场情况定价
C. 为我们日常所说的中准价
D. 由国家和水运主管部门制定并同意颁布
Which of the following archiving methods only backs up data that has changed since the previousbackup?()
A. Differential
B. Copy
C. Incremental
D. Snapshot
我国铁路货物运输中,整车、零担、集装箱各号运价都属于()。
A. 特殊运价
B. 普通运价
C. 军运运价
D. 综合运价