A.OSPF

B.BGP

C.X.500

D.IS-IS

E.Ethernet

A.It is responsible for encapsulating packets into frames for transmission on physical media

B.It is responsible for encapsulating packets into IP datagrams and routing them

C.It is responsible for encapsulating application data into TCP/UDP messages

D.It is responsible for the timing of the signals on physical media.

A.Classless IP addresses provide hierarchy based on fixed subnet masks of /24, /16, and /8.

B.IP addresses provide hierarchy based on the country code and regional identifier.

C.Classless IP addresses provide hierarchy based on a variable length subnet mask.

D.IP addresses are assigned by IEEE to vendors.

A.8 subnets, 32 hosts per subnet

B.4 subnets, 62 hosts per subnet

C.4 subnets, 64 hosts per subnet

D.8 subnets, 30 hosts per subnet

A.Routers periodically send a copy of their routing table to their neighbors.

B.Routers flood link information throughout the entire area.

C.Network converges quickly (within several seconds) after a topology change.

D.Routers do not have precise knowledge of the entire network topology.