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A: send some interesting traffic283.What is the X.25 addressing standard?A: X.121.284.After you power on a router, you want to create an initial configuration. What mode would youuse?A: setup mode285. What do IP standard access lists use as a basis for permitting or denying packets?A: Source address286.What routing technique sends routing updates to indicate that a network is unreachable?A: Route poisoning287.What are Hold-downs used for?A: To prevent regular update messages from reinstating a route that has gone down.288.What are three ways that routers learn paths to destinations?A: Static, default or dynamic routing289.What is true about connection-oriented sessions?A: Sessions take place at Transport Layer. TCP is responsible for segment delivery. Unacknowledged segments are resent. All received data is acknowledged by the sender. Segments are sequenced and put back into order upon arrival.290.What is the command to assign a IP access list 10 to a router interface?A: Router(config-if)# ip access-group 10291.Which layer hides details of any network-dependent information from the higher layers by pro-viding transparent data transfer?A: Transport292.What can you say about the following network address?255.255.255.255A: It is an IP address identifying a flooded broadcast293.What could you use, other than access list, to keep updates from being sent through selected in-terfaces on your router?A: Default route294.What command will deny all telnet traffic from subnet 2.1.3.0?