单项选择题

Which one of the access control list statements below will deny all telnet connections to subnet 10.10.1.0/24?（）

A. access-list 15 deny telnet any 10.10.1.0 0.0.0.255 eq 23
B. access-list 115 deny udp any 10.10.1.0 eq telnet
C. access-list 15 deny tcp 10.10.1.0 255.255.255.0 eq telnet
D. access-list 115 deny tcp any 10.10.1.0 0.0.0.255 eq 23
E. access-list 15 deny udp any 10.10.1.0 255.255.255.0 eq 23

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多项选择题

On the Hong Kong router an access list is needed that will accomplish the following:1. Allow a Telnet connection to the HR Server through the Internet2. Allow internet HTTP traffic to access the webserver3. Block any other traffic from the internet to everything elseWhich of the following access list statements are capable of accomplishing thesethree goals?（）

A. access-list 101 permit tcp any 172.17.18.252 0.0.0.0 eq 80
B. access-list 1 permit tcp any 172.17.17.252 0.0.0.0 eq 23
C. access-list 101 permit tcp 172.17.17.252 0.0.0.0 any eq 23
D. access-list 101 deny tcp any 172.17.17.252 0.0.0.0 eq 23
E. access-list 101 deny tcp any 172.17.18.252 0.0.0.0 eq 80
F. access-list 101 permit tcp any 172.17.17.252 0.0.0.0 eq 23

多项选择题

Which of the following are benefits provided with access control lists (ACLs)?（）

A. ACLs monitor the number of bytes and packets.
B. Virus detection.
C. ACLs dentify interesting traffic for DDR.
D. ACLs provide IP route filtering.
E. ACLs provide high network availability.
F. ACLs classify and organize network traffic.

单项选择题

When are packets processed in an inbound access list?（）

A. Before they are routed to an outbound interface.
B. After they are routed for outbound traffic.
C. After they are routed to an outbound interface while queuing.
D. Before and after they are routed to an outbound interface.
E. Depends on the configuration of the interface
F. None of the above