多项选择题

Which of the following would be considered reasonable network maintenance tasks？（Choose allthat apply.）（）

A.Ensuring compliance with legal regulations and corporate policies
B.Troubleshooting problem reports
C.Planning for network expansion
D.Providing support to sales and marketing
E.Giving presentations to management
F.Monitoring and tuning network performance

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多项选择题

YouexaminetheportstatisticsonaCiscoCatalystswitchandnoticeanexcessivenumberofframesarebeingdropped.Whichofthefollowingarepossiblereasonsforthedrops？（）

A.Unknown destination MAC address
B.Bad cabling
C.MAC forwarding table is full
D.Port configured for half duplex
E.Port configured for full duplex
F.Network congestion

多项选择题

WhichofthefollowingisavalidhostIPv6address？（Chooseallthatapply.）（）

A.ff02：a：b：c：：l/64
B.2001：aaaa： 1234：456c： 1/64
C.2001：000a：lb2c：：/64
D.2fff：f：f：f：：f/64
E.ff02：33ab：l：32：：2/128
F.2001：bad：2345：a：b：：cef/128