禁用约束时出现下列错误:ORA-02297:cannot disable constraint-dependencies exist。这个错误是由于禁止下列哪个约束造成的?()
第1题:
A.错误
B.正确
第2题:
There are three routers on a Gigabit Ethernet LAN: Router A, Router B, and Router C. Router A is the Designated Intermediate System (DIS) at Level 1 for that LAN. Router A‘s DIS priority is 64. The LAN is a Level 1-only link. Router D has just been powered up on that same LAN and its DIS priority is 80.Which statement is true?()
A. Router A remains the DIS and generates a new pseudonode LSP for that LAN
B. Router A remains the DIS and NO new pseudonode LSP is generated for that LAN
C. Router D becomes the new DIS, generates a new pseudonode LSP for that LAN, and purges the old pseudonode LSP generated by Router A
D. Router D becomes the new DIS, does NOT generate a new pseudonode LSP for that LAN, and does NOT purge the old pseudonode LSP generated by Router A
第3题:
患者出现躁动时,下列错误的是
A.宜应用乳果糖
B.防止舌咬伤
C.保持呼吸道通畅
D.禁用吗啡类药物
E.肥皂水灌肠
第4题:
第5题:
CSS 主要用下列哪个HTML标记构建页面布局?( )
A.<dir>
B.<div>
C.<dif>
D.<dis>
第6题:
A.错误
B.正确
第7题:
A. 3 seconds for DIS; 9 seconds for non-DIS
B. 9 seconds for DIS; 3 seconds for non-DIS
C. 10 seconds for DIS; 3 seconds for non-DIS
D. 10 seconds for all routers
第8题:
A.网卡未正确安装
B.网卡被禁用
C.用户名、密码错误
D.服务器无应答
第9题:
患者出现躁动时,下列哪项是错误的
A.宜应用谷氨酸钠
B.防止舌咬伤
C.保持呼吸道通畅
D.禁用吗啡类药物
E.肥皂水灌肠
第10题:
用户拨号时出现提示“错误678’’的原因是()。