题目内容

Which item represents the standard IP ACL?()

A. access-list 50 deny 192.168.1.1 0.0.0.255
B. access-list 110 permit ip any any
C. access-list 2500 deny tcp any host 192.168.1.1 eq 22
D. access-list 101 deny tcp any host 192.168.1.1

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异常压力

现有: interface Animal { void eat () ; } //insert code here public class HouseCat extends Feline { public void eat() { } } 和五个申明 abstract class Feline implements Animal { } abstract class Feline implements Animal { void eat () ; } abstract class Feline implements Animal { public void eat();} abstract class Feline implements Animal { public void eat() {} } abstract class Feline implements Animal { abstract public void eat();} 结果为:()

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

制粉系统磨煤机断煤有何危害?

下列物资中需要复试检验物资包括()

A. 线材
B. 水泥
C. 合金材料
D. 安全防护用品
E. 岩棉制品

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