思科认证640-802模拟试卷12

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 task?

A. Show vlan

B. Show mac-address-table

C. Show vtp status

D. show spanning-tree root

E. show ip interface brief

F. None of the above

You have a network that supports VLSM and you need to reduce IP address waste in your point to point WAN links. Which of the masks below would you use?

A. /38

B. /30

C. /27

D. /23

E. /18

F. /32

You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?

A. Application

B. Presentation

C. Session

D. Transport

E. Internet

F. Data Link

G. Physical

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?