单项选择题
Which of the following is the most effective technique to prevent source IPAddress spoofing？（）
A. policy based routing （PBR）
B. unicast reverse path forwarding （uRPF）
C. lock and keyACL
D. RFC 1918filtering
E. IP source routing
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WhichtypeofattackscanbemonitoredandmitigatedbyCS-MARSusingNetFlowdata？（）
A. Man-in-themiddle attack
B. Spoof attack
C. Land.C attack
D. Buffer Overflow
E. Day zero attack
F. Trojan Horse -
单项选择题
WhichbestrepresentsatypicalattackthattakesadvantageofRFC792，ICMPType3messages？（）
A. Blind connection-reset
B. Large packet echo request
C. Packet fragmentation offset
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E. Excessive bandwidth consumption -
多项选择题
CiscoIOSIPSsendsIPSalertmessagesusingwhichtwoprotocols？（）
A. SDEE
B. LDAP
C. SYSLOG
D. FTP
E. SNMP
F. SMTP
