单项选择题 The relevant portion of the Barrymore router configuration is displayed below: In your effort to conserve precious bandwidth, you set up some ACLs to deny internet access to the remote server located at 192.168.20.5. A few minutes after reconfiguring (as shown in the exhibit above) you notice that some web traffic is still going through.Based on the above output, what do you suspect as to why the traffic still traveling over the ISDN link?（）

单项选择题 Which one of the following commands will display the placement and direction of an IP access control list on the interfaces of a router?（）

单项选择题 On a newly installed router, the following access list is added to the HSSI interface for incoming traffic:Access-list 101 permit tcp any 10.18.10.0 0.0.0.255 eq tcp What is the effect of the "any" keyword in the above access list?（）