计算机使用的是具有超线程技术的Pentium 42.8GHz CPU,搭配双通道DDR400 512MB内存,原来一直使用正常,每次开机时都显示“Memory runs Dual Channnel”的信息。但有一次开机后却显示成了“Memory runs Single Channel”,但并没有更换内存,请问这是为什么?
房地产经纪人在二手房买卖交易协调物业交验时不需要提醒业主()。
A. 办理迁移户口
B. 结算维修基金
C. 结清电话通讯费用
D. 办理银行账户迁移
Which statement describes the difference between a manually configured IPv6 in IPv4 tunnel versus an automatic 6to4 tunnel?()
An automatic 6to4 tunnel does not req uire dual - stack (IPv4 and IPv6) routers at the tunnel endpoints.
B. An automatic 6to4 tunnel allows multiple IPv4 destinations.
C. A manually configured IPv6 in IPv4 tunnel allows multiple IPv4 destinations.
D. A manually configured IPv6 in IPv4 tunnel does not require dual- stack (IPv4 and IPv6) routers at the tunnel endpoints.
发现火灾应该马上逃生,并且应该一边跑一边顺道按响报警器和拍打房门提醒其他房间人员逃生。
A. 正确
B. 错误