單項(xiàng)選擇題As a network administrator, you have been instructed to prevent all traffic originating on the LAN from entering the R2 router. Which the following command would implement the access list on the interface of the R2 router?（）

A. access-list 101 in
B. access-list 101 out
C. ip access-group 101 in
D. ip access-group 101 out


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5. What command should be issued to accomplish this task?（）

A. access-list 101 deny tcp 192.168.1.128 0.0.0.15 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any
B. access-list 101 deny tcp 192.168.1.128 0.0.0.240 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any any
C. access-list 1 deny tcp 192.168.1.128 0.0.0.255 192.168.1.5 0.0.0.0 eq 21 access-list 1 permit ip any any
D. access-list 1 deny tcp 192.168.1.128 0.0.0.15 host 192.168.1.5 eq 23 access-list 1 permit ip any any

3.單項(xiàng)選擇題What is one benefit of PVST+?（）

A. PVST+reduces the CPU cycles for all the switches in the network
B. PVST+automatically selects the root bridge location,to provide optimized bandwidth usage.
C. PVST+allow the root switch location to be optimized per vlan.
D. PVST+supports Layer 3 load balancing without loops.

4.單項(xiàng)選擇題Which item represents the standard IP ACL?（）

A. access-list 50 deny 192.168.1.1 0.0.0.255
B. access-list 110 permit ip any any
C. access-list 2500 deny tcp any host 192.168.1.1 eq 22
D. access-list 101 deny tcp any host 192.168.1.1

5.單項(xiàng)選擇題Which statement about access lists that are applied to an interface is true?（）

A. you can apply multiple access lists with the same protocol or in different direction.
B. you can config one access list,per direction,per layer 3 protocol
C. you can place as many access lists as you want on any interface
D. you can apply only one access list on any interface

最新試題

Which command encrypts all plaintext passwords?（）

題型：?jiǎn)雾?xiàng)選擇題

Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

題型：?jiǎn)雾?xiàng)選擇題

After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）

題型：?jiǎn)雾?xiàng)選擇題

At which layer of the OSI model is RSTP used to prevent loops?（）

題型：?jiǎn)雾?xiàng)選擇題

Which statement is true, as relates to classful or classless routing?（）

題型：?jiǎn)雾?xiàng)選擇題

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

題型：?jiǎn)雾?xiàng)選擇題

Which statement describes the rule of split horizon?（）

題型：?jiǎn)雾?xiàng)選擇題

The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?（）

題型：?jiǎn)雾?xiàng)選擇題

Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

題型：?jiǎn)雾?xiàng)選擇題

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

題型：?jiǎn)雾?xiàng)選擇題