Which name is correct that NodeB executed Son？（）
That is the dog（）name is Henry.A、whoseB、whoC、whomD、which
点击查看答案
Assume that country is set for each class. Given： 10. public class Money { 11. private String country， name； 12. public getCountry（） { return country； } 13.} and： 24. class Yen extends Money { 25. public String getCountry（） { return super.country； } 26. } 27. 28. class Euro extends Money { 29. public String getCountry（String timeZone） { 30. return super.getCountry（）； 31. } 32. } Which two are correct？（）A、 Yen returns correct values.B、 Euro returns correct values.C、 An exception is thrown at runtime.D、 Yen and Euro both return correct values.E、 Compilation fails because of an error at line 25.F、 Compilation fails because of an error at line 30.
Given a web application in which the cookie userName is expected to contain the name of the user. Which EL expression evaluates to that user name？（）A、${userName}B、${cookie.userName}C、${cookie.user.name}D、${cookies.userName[0]}
Which of the following commands should the administrator run to check if the SMTP services are still active？（）A、 Telnet 25B、 Ping C、 net send test mailD、 nbtstat a
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
Which device is responsible for assigning label values in an MPLS network?（）A、upstream nodeB、originating nodeC、destination nodeD、downstream node
Compare a typical Distributed Replicated Block Device (DRBD) with MySQL Standard Replication using master-slave replication. Which two statements are correct?（）A、Both technologies guarantee an identical copy of data on the secondary nodeB、Only MySQL can maintain a time-delayed copy of data on the secondary nodeC、Both technologies use the TCP/IP stack as their primary transmission mediumD、DRBD uses shared-disk technology
