单项选择题

Which parameters are valid SCREEN options for combating operating system probes?（）

A. syn-fin, syn-flood, and tcp-no-frag
B. syn-fin, port-scan, and tcp-no-flag
C. syn-fin, fin-no-ack, and tcp-no-frag
D. syn-fin, syn-ack-ack-proxy, and tcp-no-frag

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热门试题

单项选择题Host A opens a Telnet connection to Host B. Host A then opens another Telnet connection to Host B. These connections are the only communication between Host A and Host B. The security policy configuration permits both connections. How many sessions exist between Host A and Host B?（）

A.1
B.2
C.3
D.4

单项选择题You want to create an out-of-band management zone and assign the ge-0 0 0.0 interface to that zone.From the [edit] hierarchy, which command do you use to configure this assignment?（）

A. set security zones management interfaces ge-0/0/0.0
B. set zones functional-zone management interfaces ge-0/0/0.0
C. set security zones functional-zone management interfaces ge-0/0/0.0
D. set security zones functional-zone out-of-band interfaces ge-0/0/0.0