衡量各种建筑材料热工性能的主要指标是（）。 传热系数。 导热系数。 遮阳系数。 可见光透射比。
Which of the following commands will list vital product data for all hardware components on a server？（） lsdev -C。 lsslot -a。 lscfg -vp。 lsattr -El。
Companycom has been performing scheduled backups of their data to tape using "tar" in a script for over one year with no problems. Recently, the tar command is returning a non zero return code during the backup phase, causing the script to fail. What is the primary cause of this problem?（） The files have grown to over eight gigabytes in size。 The file systems are corrupt, and fsck should be run。 The tape block size has been changed from the default。 The user’s limit has been changed to less than eight gigabyte。
如果某房地产的售价为5000万元，其中建筑物价格3000万元，地价2000万元，该房地产的年客观收益为450万元，建筑物的资本化率为10%，那么土地的资本化率最接近于（）。 9%。 12.5%。 7.5%。 5%。
Given: Which statement is true?（） Compilation succeeds.。 Class A does not compile.。 The method declared on line 9 cannot be modified to throw TestException.。 TestA compiles if line 10 is enclosed in a try/catch block that catches TestException.。
Which of the following statements is TRUE about mounting a file system?（）
