CIS 456. Quiz 02/13/04.                Name:
Dr Ott.
15 minutes. Name on every sheet.

1A. What does TTL stand for?

 B. What does IANA stand for?

2. Consider the following network of 4 LANs and 3 Routers:










LAN1: 128.235.32.0/22
LAN2: 128.235.36.0/24
LAN3: 128.235.48.0/20
LAN4: 128.235.38.0/23

Port1: eth0	128.235.36.1
Port2: hme0	128.235.36.254
Port3: hme1	128.235.48.254
Port4: ec0	128.235.48.1
You do not need the names and addresses of the other ports.

The forwarding table of router R2 has routes for LAN1 , LAN2 , LAN3 , 
LAN4 , and it has a default route to R1.

A. Make the forwarding table for router R2. Use the space below. 
   Do not waste time trying to ``compactify'' the table. Masks in 
   dotted decimal.

         Mask               Network            Action    Port   Next Hop
      
(LAN1)

(LAN2)

(LAN3)

(LAN4)

(Default)


B. What route will destination address 128.235.31.7 go on, if offered 
   to R2? (Just give the route, no time to argue).

Similarly:

C. 128.235.32.8

D. 128.235.35.9

E. 128.235.37.10

F. 128.235.56.11