【单选题】网络中以下配置会产生什么结果? access-list 1 deny 172.16.3.100 0.0.0.0 access-list 1 permit any access-list 1 deny 172.16.3.200 0.0.0.0 int f0/0 ip access-group 1 inA.拒绝172.16.3.100和172.16.3.200的主机访问进入f0/0接口,允许其他主机进入。B.拒绝172.16.3.200的主机访问进入f0/0接口,允许其他主机进入。C.拒绝172.16.3.100的主机访问进入f0/0接口,允许其他主机进入。D.允许所有主机进入f0/0接口。

【单选题】网络中以下配置会产生什么结果? access-list 1 deny 172.16.3.100 0.0.0.0 access-list 1 permit any access-list 1 deny 172.16.3.200 0.0.0.0 int f0/0 ip access-group 1 in

A.拒绝172.16.3.100和172.16.3.200的主机访问进入f0/0接口,允许其他主机进入。

B.拒绝172.16.3.200的主机访问进入f0/0接口,允许其他主机进入。

C.拒绝172.16.3.100的主机访问进入f0/0接口,允许其他主机进入。

D.允许所有主机进入f0/0接口。


参考答案和解析
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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 anyB.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 anyC.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 anyD.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

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计费服务器的ip地址在192.168.1.0/24子网内,为了保证计费服务器的安全,不允许任何用户telnet到该服务器,则需要配置的访问列表条目为:()A、access-list  11 deny  tcp 192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any anyB、access-list  111 deny  tcp any  192.168.1.0   eq telnet/access-list 111 permit ip any anyC、access-list  111 deny udp 192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any anyD、access-list  111 deny  tcp any  192.168.1.0   0.0.0.255 eq telnet/access-list 111 permit ip any any

Which of the following access list statements would deny traffic from a specifichost?()A、Router(config)# access-list 1 deny 172.31.212.74 anyB、Router(config)# access-list 1 deny 10.6.111.48 hostC、Router(config)# access-list 1 deny 172.16.4.13 0.0.0.0D、Router(config)# access-list 1 deny 192.168.14.132 255.255.255.0E、Router(config)# access-list 1 deny 192.168.166.127 255.255.255.255

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 0.0.015 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyB、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 anyC、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 anyD、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 anyE、access-list 101 deny ip 192.168.1.128 0.0.0.240 192.158.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyF、access-list 101 deny ip 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

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

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 tcp192.168.1.1280.0.0.15192.168.1.50.0.0.0eq23 access-list 101 permit ip any anyB、access-list 101 deny tcp192.168.1.1280.0.0.240192.168.1.50.0.0.0eq23 access-list101permit ip any anyC、access-list 1 deny tcp192.168.1.1280.0.0.255192.168.1.50.0.0.0eq21 access-list1permit ip any anyD、access-list 1 deny tcp192.168.1.1280.0.0.15host192.168.1.5eq23 access-list1permit ip any any

Which item represents the standard IPACL?()A、access-list 50 deny 192.168.1.10.0.0.255B、access-list 110 permit ip any anyC、access-list 2500 deny tcp any host 192.168.1.1 eq22D、access-list 101 deny tcp any host 192.168.1.1

哪个选项代表了标准的IP ACL?()A、 access-list 50 deny 192.168.1.1 0.0.0.255B、 access-list 110 permit ip any anyC、 access-list 2500 deny tcp any host 192.168.1.1 eq 22D、 access-list 101 deny tcp any host 192.168.1.1

Which item represents the standard IP ACL?()A、access-list 50 deny 192.168.1.1 0.0.0.255B、access-list 110 permit ip any anyC、access-list 2500 deny tcp any host 192.168.1.1 eq 22D、access-list 101 deny tcp any host 192.168.1.1

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 anyB、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 anyC、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 anyD、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

单选题Which of the following access list statements would deny traffic from a specifichost?()ARouter(config)# access-list 1 deny 172.31.212.74 anyBRouter(config)# access-list 1 deny 10.6.111.48 hostCRouter(config)# access-list 1 deny 172.16.4.13 0.0.0.0DRouter(config)# access-list 1 deny 192.168.14.132 255.255.255.0ERouter(config)# access-list 1 deny 192.168.166.127 255.255.255.255

单选题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?()Aaccess-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 anyBaccess-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 anyCaccess-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 anyDaccess-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

单选题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?()Aaccess-list 101 deny tcp 192.168.1.128 0.0.015 192.168.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyBaccess-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 anyCaccess-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 anyDaccess-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 anyEaccess-list 101 deny ip 192.168.1.128 0.0.0.240 192.158.1.5 0.0.0.0 eq 23 access-list 101 permit ip any anyFaccess-list 101 deny ip 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