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A system is experiencing name resolution issues. The administrator has verified that /etc/resolv.conf is suitably configured using correct syntax. However, processes run by non-root users are failing to resolve any hostnames to IP addresses with the error 'No response from server'. Which tool will help trace the nslookup command in an attempt to investigate the problem?()
- A、kdb
- B、dbx
- C、trace
- D、truss
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更多 “ A system is experiencing name resolution issues. The administrator has verified that /etc/resolv.conf is suitably configured using correct syntax. However, processes run by non-root users are failing to resolve any hostnames to IP addresses with the error 'No response from server'. Which tool will help trace the nslookup command in an attempt to investigate the problem?()A、kdbB、dbxC、traceD、truss” 相关考题
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public class Employee{ private String name; public Employee(String name){ this.name = name; } public void display(){ System.out.print(name); } } public class Manager extends Employee{ private String department; public Manager(String name,String department){ super(name); this.department = department; } public void display(){ System.out.println( super.display()+”,”+department); } } 执行语句new Manager(“smith”,”SALES”)后程序的输出是哪项?() A、 smith,SALESB、 null,SALESC、 smith,nullD、 null,null
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单选题public class Employee{ private String name; public Employee(String name){ this.name = name; } public void display(){ System.out.print(name); } } public class Manager extends Employee{ private String department; public Manager(String name,String department){ super(name); this.department = department; } public void display(){ System.out.println(super.display()+”,”+department); } } 执行语句new Manager(“smith”,”SALES”)后程序的输出是哪项?()A
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编译错误
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filemonB
istatC
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单选题public class Pet{ private String name; public Pet(){ System.out.print(1); } public Pet(String name){ System.out.print(2); } } public class Dog extends Pet{ public Dog(){ System.out.print(4); } public Dog(String name){ super(name); System.out.print(3); } } 执行new Dog(“棕熊”);后程序输出是哪项?()A
33B
13C
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单选题An Intermediate System experiencing memory problems indicates that it may have incomplete data by setting which bit in its LSP?()A
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单选题public class Pet{ private String name; public Pet(){ System.out.print(1); } public Pet(String name){ System.out.print(2); } } public class Dog extends Pet{ public Dog(String name){ System.out.print(3); } } 执行new Dog(“棕熊”);后程序输出是哪项?()A
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An exception is thrown at runtimeB
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pw: got fido name: bob got bobD
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京巴B
京巴 DogC
nullD
Dog京巴
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