Refer to the exhibit. A network administrator wants to create a standard ACL to prevent network 1 traffic from being transmitted to the Research and Development network. On which router interface and in which direction should the standard ACL be applied?
- R1 Gi0/0 inbound
- R1 Gi0/0 outbound
- R1 S0/0/0 outbound
- R2 S0/0/0 inbound
- R2 Gi0/0 outbound
- R2 Gi0/0 inbound
Explanation: Standard ACLs can only specify source addresses, so the standard ACL would contain the network 1 address and appropriate wildcard mask. Also, because standard ACLs can only contain source addresses, the ACL should be placed as close to the destination as possible. The destination is the Research and Development LAN. The R2 Gi0/0 interface is that destination. By tracing the path that the packets will take starting with network 1 and traveling to the Research and Development network, a student can determine that the packets would be coming out of the R2 Gi0/0 interface.
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