单项选择题
Which protocol provides a method of sharing VLAN configuration information between two Cisco switch?（）
A. VTP
B. 802.1Q
C. RSTP
D. STP
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Which spread spectrum technology does the 802.11b standard define for operation?（）
A. IR
B. DSSS
C. FHSS
D. DSSS and FHSS
E. IR, FHSS, and DSSS -
单项选择题
A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOSimage.what function does the router perform next?（）
A. It checks the configuration register
B. It attempts to boot from a TFTP server
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单项选择题
Router A is unable to reach Router B.Both routers are running ios version 12.0.After reviewing the command output and graphic,what is the most likely cause of the problem?（）
A. incorrect bandwidt h configuration
B. incorrect LMI configuration
C. incorrect map statement
D. incorrect IP address
