A team of programmers is involved in reviewing a proposed design for a new utility class. After some discussion, they realize that the current design allows other classes to access methods in the utility class that should be accessible only to methods within the utility class itself. What design issue has the team discovered?（） Tight coupling。 Low cohesion。 High cohesion。 Loose coupling。 Weak encapsulation。 Strong encapsulatio。
城市生态评价的内容主要包括城市生态系统的（）、（）和（）三个方面。
A system administrator has determined that there is no network connectivity with the en0 interface. By doing a netstat -in, it is determined that the en0 interface is not showing up. Which of the following commands should be used to determine that en0 is defined in ODM with an IP address?（） entstat -d 。 ifconfig -a 。 lsattr -El en0 。 odmget -q "name=ent0 and attribute=netaddr" CuDv。
Which of the following commands should be used to report statistics on network protocols used by the system？（） lsattr。 pstat。 netstat。 ifconfig。
Company.com moved their application start routines from the inittab and place them under HACMP control. During testing，the applications did not always start as desired. What is the best practice for the application start routines.（） Assume the system was stopped by a failure.。 Ensure the hostname parameters is set correctly.。 Assume the system was stopped by a graceful shutdown.。 Mount all volumes and file systems before running the application.。
A customer has a p650 with a write-intensive database application. Recently the order entry team has complained about unusually slow response times. There have been no complaints from any other departments. Which of the following actions would most likely address the problem？（）
