感觉这道题可以选B和F两个6 s8 _) ?# l$ b+ J) K7 o
Which statement is true a SMURF attack? k6 w: a' k9 i9 ]- V1 s; K
A. The attacker uses spoofed destination address to launch the attack' Y: D7 D4 a- \' w1 h
B. It sends ICMP Echo Requests to a broadcast address of a subnet
1 s2 t# p5 S# J& X, W" [5 cC. In order to mitigate the attack you need to enable IP directed broadcast on the router interface5 }( H4 ^1 }5 |9 ^% t
D. It sends ICMP Echo Replies to Known ip addresses in a subnet' D, [8 v' }# i; ?2 z
E. It is used by the attackers to check if destination addresses are alive
* I8 T# K8 V' Y# y1 _F. It exhausts the victim machine resources with large number of ICMP Echo Requests from a subnet
1 ?. ~4 r0 D- D) `) cSMURFAttack 是一种病毒攻击,以最初发动这种攻击的程序“Smurf”来命名。这种攻击方法结合使用了IP欺骗和ICMP回复方法使大量网络传输充斥目标系统,引起目标系统拒绝为正常系统进行服务。 Smurf攻击通过使用将回复地址设置成受害网络的广播地址的ICMP应答请求(ping)数据包,来淹没受害主机,最终导致该网络的所有主机都对此ICMP应答请求做出答复,导致网络阻塞。更加复杂的Smurf将源地址改为第三方的受害者,最终导致第三方崩溃。 . S+ \" J/ ^! ]: V
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通过以上判断这道题应该是多选题,哪位大神给看一下,谢谢了~
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