A、TTL
B、TOS
C、DF
D、AS-Path
答案:D
A、TTL
B、TOS
C、DF
D、AS-Path
答案:D
A. VRRP
B. Proxy ARP
C. Gratuitous ARP
D. ARP
A. 一个将在jinlian_data表空间创建表的用户
B. 每个将访问jinlian_data表空间上数据的数据库用户
C. 一个将查询jinlian_data表空民间上其他用户表的用户
D. 一个将向jinlian_data表空间上其他用户表中插入数据的用户
A. VIEW
B. STRUCTURE
C. DESCRIBE
D. DISPLAY
A. 放弃这个排错方案并开始重新定位问题
B. 恢复实施该排错方案前的网络状态
C. 从网络的目前状态开始进行新的故障排除过程
D. 继续进行这一排错方案直到故障排除
A. select name from teacher where email=null;
B. select name from teacher where email<>null;
C. select name from teacher where email is null;
D. select name from teacher where email is not null;
A. tablespace--segment--osblock--block
B. tablespace--segment--extent--block
C. tablespace--extent--segment--block
D. tablespace--extent--block –segment
A. SELECT NAME + '''s address is ' + ADDR FROM EMP
B. SELECT NAME || '''s address is '|| ADDR FROM EMP
C. SELECT NAME + '\’s address is '+ ADDR FROM EMP
D. SELECT NAME || '\'s address is '|| ADDR FROM EMP
A. kill -3
B. jstack
C. WLST
D. 控制台