ccna discovery 3 chapter 8 v4.0
Refer to the exhibit. A network administrator needs to add the command deny ip
10.0.0.0 0.255.255.255 any log to R3. After adding the command, the administrator
verifies the change using the show access-list command. What sequence number
does the new entry have?
10, and all other items are shifted down to the next sequence number
Refer to the exhibit. What happens if the network administrator issues the
commands shown when an ACL called Managers already exists on the router?
The new commands overwrite the current Managers ACL.
The new commands are added to the end of the current Managers ACL. *****
The new commands are added to the beginning of the current Managers ACL.
An error appears stating that the ACL already exists.
Why are inbound ACLs more efficient for the router than outbound ACLs?
Inbound ACLs deny packets before routing lookups are required. *****
Inbound ACL operation requires less network bandwidth than outbound.
Inbound ACLs permit or deny packets to LANs, which are typically more efficient than
Inbound ACLs are applied to Ethernet interfaces, while outbound ACLs are applied to
slower serial interfaces.
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