访问控制列表access-list 100 permit ip129.38.1.10.0.255.255202.38.5.20的含义是()
第1题:
定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包的访问控制列表,Cisco路由器的正确配置是
A.access-list 198 permit icmp 166.129.130.0 255.255.255.0 any access-list 198 deny icmp any any access-list 198 permit ip any any
B.access-list 198 permit icmp 166.129.130.0 0.0.0.255 any access-list 198 deny icmp any any access-list 198 permit ip any any
C.access-list 99 permit icmp 166.129.130:0 0.0.0.255 any access-list 99 deny icnip any any access-list 99 permit ip any any
D.access-list 100 permit icmp 166.129.130.0 0.0.0.255 any access-list 100 permit ip any any access-list 100 deny icmp any any
第2题:
( 22 )用 标准 访问控制列表禁止非法地址 192.168.0.0/16 的数据包进出路由器的正确配置是
A ) access-list 110 deny 192.168.0.0 0.0.255.255
access-list 110 permit any
B ) access-list 10 deny 192.168.0.0 255.255.0.0
access-list 10 permit any
C ) access-list 50 permit any
access-list 50 deny 192.168.0.0 0.0.255.255
D ) access-list 99 deny 192.168.0.0 0.0.255.255
access-list 99 permit an
第3题:
定义一个用于封禁ICMP协议而只允许转发166.129.130.0/24子网的ICMP数据包的访问控制列表,Cisco路由器的正确配置是( )。
A) access-list 198 permit icmp 166.129.130.0 255.255.255.0 any
access-list 198 deny icmp any any
access-list 198 permit ip any any
B) access-list 198 permit icmp 166.129.130.0 0.0.0 255 any
access-list 198 deny icmp any any
access-list 198 permit ip any any
C) access-list 99 permit icmp 166.129.130.0 0.0.0 255 any
access-list 99 deny icmp any any
access-list 99 permit ip any any
D) access-list 100 permit icmp 166.129.130.0 0.0.0 255 any
access-list 100 pernut ip any any
access-list 100 deny icmp any any
第4题:
标准IP访问控制列表的基本格式为access-list[1ist number][permit|deny][host/any][sourceaddress][wild-card-mask][log],请填写其参数描述。
a、list number…………………………………… ______
b、permit/deny………………………………… ______
c、source address……………………………… ______
d、host/any…………………………………… ______
e、windcad-mask……………………………… ______
第5题:
标准IP访问控制列表的基本格式为access-list[list number] [permit | deny] [host/any] [sourceaddress] [wildcard-mask][log],请填写其参数描述。
a. list number .......................................... [11]
b. permit/deny ....................................... [12]
c. s
第6题:
在 Cisco 路由器匕用扩展访问控制列表封禁 1P 地址为 211.102.33.24 的主机,正确的配置语句是
A )
access-list 99 deny ip host 211.102.33.24 any
access-list 99 deny ip any host 211.102.33.24
access-list 99 permit ip any any
B )
access-list 100 permit ip any any
access-list 100 deny ip host 211.102.33.24 any
access-list 100 deny ip any host 211.102.33.24
C )
access-list 199 deny ip host 211.102.33.24 any
access-list 199 deny ip any host 211.102.33.24
access-list 199 permit ip any any
D )
access-list 166 deny ip host 211.102.33.24 any
access-list 166 permit ip any any
第7题:
要禁止内网中IP地址为198.168.46.8的PC访问外网,正确的ACL规则是(11)。
A.access-list 1 permit ip 192.168.46.00.0.0.255 any access-list 1 deny ip host 198.168.46.8 any
B.access-list 1 permit ip host 198.168.46.8 any access-list 1 deny ip 192.168.46.00.0.0.255 any
C.access-list 1 deny ip 192.168.46.00.0.0.255 any access-list 1 permit ip host 198.168.46.8 any
D.access-list 1 deny ip host 198.168.46.8 any access-list 1 permitip 192.168.46.00.0.0.255 any
第8题:
在Cisco路由器上,用扩展访问控制列表封禁IP地址为211.102.33.24的主机,正确的配置语句是______。
A.access-list 99 deny ip host 211.102.33.24 any access-list 99 deny ip any host 211.102.33.24 access-list 99 permit ip any any
B.access-list 100 permit ip any any access-list 100 deny ip host 211.102.33.24 any access-list 100 deny ip any host 211.102.33.24
C.access-list 199 deny ip host 211.102-33.24 any access-list 199 deny ip any host 211.102.33.24 access-list 199 permit ip any any
D.access-list 166 deny ip host 211.102.33.24 any access-list 166 permit ip any any
第9题:
请参照图5-1,在路由器上完成销售部网段NAT的部分配置。
……
Router(config)ip nat pool xiaoshou 61.246.100.99 61.246.100.99 netmask(7)
!设置地址池
!
Router(config)access-list 2 permit(8)(9)
!定义访问控制列表
!
Router(config)ip nat inside source list 2 pool xiaoshou
!使用访问控制列表完成地址映射
第10题:
请参见图示。公司的新安全策略允许来自工程部LAN的所有IP流量访问Internet,但对于来自营销部LAN的流量,则只允许其中的web流量访问Internet。为实施新的安全策略,可在营销部路由器的Serial0/1接口的出站方向上应用哪一ACL()
A.access-list 197 permit ip 192.0.2.0 0.0.0.255 any access-list 197 permit ip 198.18.112.0 0.0.0.255 any eq www
B.access-list 165 permit ip 192.0.2.0 0.0.0.255 any access-list 165 permit tcp 198.18.112.0 0.0.0.255 any eq www access-list 165 permit ip any any
C.access-list 137 permit ip 192.0.2.0 0.0.0.255 any access-list 137 permit tcp 198.18.112.0 0.0.0.255 any eq www
D.access-list 89 permit 192.0.2.0 0.0.0.255 any access-list 89 permit tcp 198.18.112.0 0.0.0.255 any eq www