拒绝转发所有IP地址进与出方向的、端口号为1434的UDP和端口号为4444的TCP数据包,下列正确的access-list配置是
A)Router (config)#access-list 30 deny udp any any eq 1434
Router (config)#access-list 30 deny tcp any any eq 4444
Router (config)#access-list 30 permit ip any any
B)Router (config)#access-list 130 deny udp any any eq 1434
Router (config)#access-list 130 deny tcp any any eq 4444
Router (config)#access-list 130 permit ip any any
C)Router (config)#access-list 110 deny any any udp eq 1434
Router (config)#access-list 110 deny any any tcp eq 4444
Router (config)#access-list 110 permit ip any any
D)Router (config)#access-list 150 deny udp ep 1434 any any
Router (config)#access-list 150 deny tcp ep 4444 any any
Router (config)#access-list 150 permit ip any any
第1题:
封禁ICMP协议,只转发212.78.170.166/27所在子网的所有站点的ICMP数据包,正确的access-list配置是______。
A) Router(config)#access-list 110 permit icmp 212.78.170.166 0.0.0.0 any
Router(config)#access-list 110 deny icmp any any
Router(config)#access-list 110 permit ip any any
B) Router(config)#access-list 110 permit icmp 212.78.170.0 255.255.255.224 any
Router(config)#access-list 110 permit ip any any
Router(config)#access-list 110 deny icmp any any
C) Router(config)#access-list 110 perimt iemp 212.78.170.0 0.0.0.255 any
Router(config)#access-list 110 deny icmp any any
Router(config)#access-list 110 permit ip any any
D) Router(config)#access-list 110 permit icmp 212.78.170.160 0.0.0.31 any
Router(config)#access-list 110 deny icmp any any
Router(config)#access-list 110 permit ip any any
A.
B.
C.
D.
第2题:
使用名字标识访问控制列表的配置方法,在Cisc0路由器的gO/3接口封禁端口号为1434的UDP数据包和端口号为4444的TCP数据包,正确的访问控制列表的配置是( )。
A.Router(eonfig)#ip access-list extended WINSQLRouter(config-ext-nacl)#deny any any udp eq 1434Router(config-ext-nacl)#deny any any tcp eq 4444Router(config-ext-nacl)#permit ip any anyRouter(config-ext-nacl)#exitRouter(config)#interface gO/3Router(eonfig-if)#ip access-group WINSQL inRouter(config-if)#ip access-group WINSQL out
B.Router(config)#ip access-list standard WINSQLRooter(config-std-nael)#deny udp any any eq 1434Router(config-std-nacl)#deny tcp any any eq4444Router(config-std-nacl)#permit ip any anyRouter(corffig-std-nacl)#exitRouter(config)#interface gO/3Router(config-if)#ip access-group WINSQL inRooter(config-if)#ip access-group WINSQL out
C.Router(config)#ip access-list extended WINSQLRooter(config-ext-nacl)#permit ip any atlyRooter(config-ext-nac|)#deny udp eq l 434 any anyRouter(config-ext-nacl)#deny tcp eq 4444any any Router(config-ext-nacl)#exitRooter(config)#interface gO/3Router(config-if)#ip access-group WINSQL out
D.Rooter(config)#ip access-list extended WINSQLRouter(config-ext-nacl)#deny udp any any eq 1434Router(config-ext-nac])#deny tcp any any eq4444Router(config-ext-nae])#permit ip any anyRouter(config-ext-nacl)#exitRouter(config)#interface gO/3Rooter(config-if)#ip access-group WINSQL inRouter(config-if)#ip access-group WINSQL out
第3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?()
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
第4题:
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:()
第5题:
下列语句中,()是标准ACL。
第6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?()
第7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?()
第8题:
要限制源地址为10.0.0.16到10.0.0.31之间的网络主机访问目标地址,则访问列表ACL配置语句为: router(Config)#ip access-list 99 deny() router(Config)#ip access-list 99()any
第9题:
哪个选项代表了标准的IP ACL?()
第10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?()
第11题:
access-list 50 deny 192.168.1.1 0.0.0.255
access-list 110 permit ip any any
access-list 2500 deny tcp any host 192.168.1.1 eq 22
access-list 101 deny tcp any host 192.168.1.1
第12题:
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 any
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
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
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
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 any
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
第13题:
Cisco路由器执行show access-list命令显示如下一组控制列表信息:
Standard IP acceSS list 30
deny 127.0.0.0,wildcard bits 0.255.255.255
deny 172.16.0.0,wiidcard bits 0.15.255.255
permft any
根据上述信息,正确的access-list配置是______。
A) Router(config)#access-list 30 deny 127.0.0.0 255.255.255.0
Router(config)#access-list 30 deny 172.16.0.0 255.240.0.0
Router(config)#access-list 30 permit any
B) Router(config-std-nacl)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config-std-nael)#access-list 30 deny 172.16.0.0 0.15.255.255
Router(config-std-nacl)#access-list 30 permit any
C) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255
Router(config)#access-list 30 permit any
D) Router(config)#access-list 30 deny 127.0.0.0 0.255.255.255
Router(config)#access-list 30 permit any
Router(config)#access-list 30 deny 172.16.0.0 0.15.255.255
A.
B.
C.
D.
第14题:
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
第15题:
Which one of the access control list statements below will deny all telnet connections to subnet 10.10.1.0/24?()
第16题:
仅允许HTTP流量进入网络196.15.7.0,下面命令错误的是()。
第17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?()
第18题:
Which of the following IOS commands can detect whether the SQL slammer virus propagates in yournetworks?()
第19题:
Which item represents the standard IPACL?()
第20题:
下列哪一条命令可以阻塞一网段的RIP广播报文?()
第21题:
Which item represents the standard IP ACL?()
第22题:
access-list 11 deny tcp 192.168.1.0 0.0.0.255 eq telnet/access-list 111 permit ip any any
access-list 111 deny tcp any 192.168.1.0 eq telnet/access-list 111 permit ip any any
access-list 111 deny udp 192.168.1.0 0.0.0.255 eq telnet/access-list 111 permit ip any any
access-list 111 deny tcp any 192.168.1.0 0.0.0.255 eq telnet/access-list 111 permit ip any any
第23题: