Ccna certification Practice Tests

A.  Collapsed core model

B.  Three-tier model

C.  DoD model

D.  Access model

 44.  Which layer in the three-tier model is where redistribution of routing protocols should be 

performed?

A.  Core layer

B.  Distribution layer

C.  Access layer

D.  Routing layer

 45.  Which layer in the three-tier model is where collision domains should be created?

A.  Core layer

B.  Distribution layer

C.  Access layer

D.  Routing layer

 46.  In Cisco’s three-tier architecture, the links between the distribution layer switches indicate 

what kind of topology?

A.  Full mesh topology

B.  Partial mesh topology

C.  Star topology

D.  Ring topology

 47.  Which technology provides for a hub-and-spoke design?

A.  E-Tree services

B.  Wireless WAN

C.  E-Line services

D.  E-LAN services

 48.  Which is a typical use case for hub-and-spoke WAN design?

A.  Connections for an enterprise spread over a metropolitan area

B.  Connections for an Internet service provider to its customers