此题为判断题(对,错)。
第1题:
Given the following query:SELECT last_name, first_name, age, hire_date FROM employee WHERE age >40Which of the following clauses must be added to return the rows sorted by AGE, oldest first, and by LAST_NAME, from A to Z?()
A.SORT BY age ASC, last_name
B.SORT BY age DESC, last_name
C.ORDER BY age DESC, last_name
D.ORDER BY age ASC, last_name
第2题:
第3题:
对“named.rfc1912.zones”文件编辑完成后,需要执行()命令,进行语法检测。
A.named-checkconf /var/named.rfc1912.zones
B.named-checkconf /etc/named.rfc1912.zones
C.named.checkzone /etc/named.rfc1912.zones
D.named-checkzone /etc/named.rfc1912.zones
第4题:
A.Gold码序列的自相关特性优于M序列
B.Gold码序列的互相关特性优于M序列
C.M序列的自相关特性优于Gold序列
D.M序列的互相关特性优于Gold序列
第5题:
对“named.conf”文件编辑完成后,需要执行()命令,进行语法检测。
A.naned.checkconf /var/named.conf
B.named-checkconf /etc/named.conf
C.named.checkzone /etc/named.conf
D.named-checkzone /etc/named.conf
第6题:
1、对“named.rfc1912.zones”文件编辑完成后,需要执行()命令,进行语法检测。
A.named-checkconf /var/named.rfc1912.zones
B.named-checkconf /etc/named.rfc1912.zones
C.named.checkzone /etc/named.rfc1912.zones
D.named-checkzone /etc/named.rfc1912.zones