A.The router will forward packets from R3 to R2 to R1
B.The router will forward packets from R3 to R1
C.The router will forward packets from R3 to R1 to R2
D.The router will forward packets from R3 to R2 to R1 AND from R3 to R1

A.from host PC1 to host 5.1.1.10
B.from host PC1 to host 5.1.3.10
C.from host PC2 to host 5.1.2.10
D.from host PC2 to host 5.1.3.8

A.172.1.4.0/22
B.172.1.0.0/21
C.172.1.0.0/22
D.172.1.4.0/25  172.1.4.128/25  172.1.5.0/24  172.1.6.0/24  172.1.7.0/24
E.172.1.4.0/24  172.1.5.0/24  172.1.6.0/24  172.1.7.0/24

A.It establishes a static route to the 172.16.3.0 network.
B.It establishes a static route to the 192.168.2.0 network.
C.It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.
D.It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4.
E.It uses the default administrative distance.
F.It is a route that would be used last if other routes to the same destination exist.

A.It allows switches to read frame tags.
B.It allows ports to be assigned to VLANs automatically.
C.It maintains VLAN consistency across a switched network.
D.It allows frames from multiple VLANs to use a single interface.
E.It allows VLAN information to be automatically propagated throughout the switching environment.