问答题

You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operationA. ApplicationB. PresentationC. SessionD. TransportE. InternetF. Data LinkG. Physical

【参考答案】

正确答案：A

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问答题

The Ezonexam network administrator needs to verify that switch interface 0 5 has been assigned to the Marketing VLA.N. Which command will accomplish this taskA. Show vlanB. Show mac-address-tableC. Show vtp statusD. show spanning-tree rootE. show ip interface briefF. None of the above

单项选择题

Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask would you use

A．255.255.0.0.
B．255.255.128.0.
C．255.255.224.0.
D．255.255.254.0.
E．None of the above

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