传统中式烹调过程中使用的芡是由汤和调味品调制而成的。()
大蒜中含有的硫氨基酸在蒜胺酶的作用下分解成大蒜素。()
WhichspanningTreeProtocolhasbeenimplementedonswitch2?()
A. STP/IEEE802.1D
B. MSTP/IEEE802.1s
C. PVST+
D. PVRST
E. Noneoftheotheralternativesapply
Whichofthefollowingcommandscanbeissuedwithoutinterferingwiththeoperationofloopguard?()
A. Switch(config-if)#spanning-treeguardroot
B. Switch(config-if)#spanning-treeportfast
C. Switch(config-if)#switchportmodetrunk
D. Switch(config-if)#switchportmodeaccess