31. Which command is used to upgrade an IOS on a Cisco router?

A. copy tftp run
B. copy tftp start
C. config net
D. copy tftp flash

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32. If you wanted to delete the configuration stored in NVRAM, what would you type?

A. erase startup
B. erase nvram
C. delete nvram
D. erase running

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33. What protocols are used to configure trunking on a switch?

1.  VLAN Trunking Protocol
2.  VLAN
3.  802.1Q
4.  ISL

A. 1 and 2
B. 3 and 4
C. 1 only
D. 2 only

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