试题详情
单项选择题 Network Topology Exhibit： Configuration Exhibit： NET（config）# access-list 112 deny icmp any any echo log NET（config）# access-list 112 deny imp any any redirect log NET（config）# access-list 112 deny icmp any any mask-request log NET（config）# access-list 112 permit icmp any 10.1.1.0 0.0.0.255 NET（config）# interface Fa0/1 NET（config-if）# ip access-group 112 in You work as a network administrator at networkTut.com， study the exhibit carefully. The configuration has been applied to router NET to mitigate the threat of certain types of ICMPbasedattacks while allowing some ICMP traffic to the corporate LAN to work. However， the configurationis incorrect. On the basis of the information in the exhibit， which configuration option wouldcorrectly configure router NET？（）

A、The first three statements of ACL 112 should have permitted the ICMP traffic and the laststatement should deny the identified traffic

B、The last statement of ACL 112 should have been "access-list 112deny icmp any 10.2.1.00.0.0.255"

C、The last statement of ACL 112 should have been "access-list 112permit icmp any 10.2.1.00.0.0.255"

D、ACL 112 should have been applied to interface Fa0/0 in an inbound direction

E、The last statement of ACL 112 should have been "access-list 112deny icmp any 10.1.1.00.0.0.255"

F、ACL 112 should have been applied to interface Fa0/1 in an outbound direction

G、None of the above

  • C

  • 关注下方微信公众号，在线模考后查看

热门试题