多项选择题
You examine the port statistics on a Cisco Catalyst switch and notice an excessive number offrames are being dropped. Which of the following are possible reasons for the drops？（）
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
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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 -
多项选择题
WhichofthefollowingarenotBGRPdatastructures？（Chooseallthatapply.）（）
A.EIGRP database table
B.EIGRP CEF table
C.EIGRP neighbor table
D.EIGRP adjacency table
E.EIGRP interface table
F.EIGRP topology table -
单项选择题
Severaltroubleshootersareabouttoworkonthesameproblem.Whichofthefollowingtroubleshootingmethodswouldbemostappropriatetomakethebestuseofthetroubleshooters1time？（）
A.Bottom up
B.Component swapping
C.Top down
D.Shoot from the hip
E.Divide and conquer
F.Follow the traffic path
