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10、以下程序执行的结果是： spam = ['cat', 'bat', 'rat', 'elephant'] spam[1:4]
A．['bat', 'rat', 'elephant']
B．['cat', 'bat', 'rat', 'elephant']
C．['cat', 'bat', 'rat']
D．['bat', 'rat']
参考答案和解析
C
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共用题干
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单选题You have configured a UTM profile called Block-Spam, which has the appropriate antispam configuration to block undesired spam e-mails.Which configuration would protect an SMTP server in the dmz zone from spam originating in the untrust zone?（）A
set security policies from-zone dmz to-zone untrust policy anti-spam then permit application- services utm-policy Block-SpamB
set security policies from-zone untrust to-zone dmz policy anti-spam then permit application- services utm-policy Block-SpamC
set security policies from-zone untrust to-zone dmz policy anti-spam then permit application- services anti-spam-policyD
set security policies from-zone untrust to-zone dmz policy anti-spam then permit application- services Block-Spam
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