A network administrator enters the command clear ip route * and as a result he sees the message，"Please update the network documentation to record why the ip routing table was cleared." Which router feature was used in this case？（）

Whichofthefollowingroutermodelswillsupport1000tunnels？（...

多项选择题Which of the following router models will support 1000 tunnels？（）

Whichofthefollowingisnotatypicalmaintenancetaskwithinan...

单项选择题Which of the following is not a typical maintenance task within a network maintenance model？（）

Whichofthefollowingcorrectlyfillsinthemissingwordsofthi...

单项选择题Which of the following correctly fills in the missing words of this sentence： An ARP request uses aaddress， whereas an ARP reply uses a address.（）