Buffer（缓冲区）
Buffer（缓冲区）
相关考题：
fwrite函数的一般调用形式是A．fwrite(buffer,count,size,fp);B．fwrite(fp,size,count,buffer);C．fwrite(fp,count,size,buffer);D．fwrite(buffer,size,count,fp);
Which statement describes queue and buffer managment in the E－series router?() A. Buffer memory is managed dynamically in the I/O module.B. Buffer memory is managed dynamically in the switch fabric.C. Buffer memory is managed dynamically on egress line modules.D. Buffer memory is managed dynamically on ingress line modules
Which statement describes queue and buffer managment in the E-series router?（）A、Buffer memory is managed dynamically in the I/O module.B、Buffer memory is managed dynamically in the switch fabric.C、Buffer memory is managed dynamically on egress line modules.D、Buffer memory is managed dynamically on ingress line modules
下面哪个不属于MapTask缓冲区相关配置参数（）A、io.sort.mbB、io.buffer.mbC、io.sort.recorD.percentD、io.sort.spill.percent
fwrite函数的一般调用形式是（）。A、fwrite（buffer，count，size，fp）B、fwrite（fp，size，count，buffer）C、fwrite（fp，count，size，buffer）D、fwrite（buffer，size，count，fp）
以下fread函数的调用形式中，参数类型正确的是（）A、fread（unsignedsize，unsignedn，char*buffer，FILE*fp）B、fread（char*buffer，unsignedsize，unsignedn，FILE*fp）C、fread（unsignedsize，unsignedn，FILE*fp，char*buffer）D、fread（FILE*fp，unsignedsize，unsignedn，char*buffer）
Which is the correct description of a pinned buffer in the database buffer cache（）A、The buffer is currently being accessed.B、The buffer is empty and has not been used.C、The contents of the buffer have changed and must be flushed to the disk by the DBWn process. D、The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.
DNS服务面临的安全隐患主要包括下面哪几项：（）。A、DNS欺骗（DNS Spoffing）B、拒绝服务（Denial of service，DoS）攻击C、分布式拒绝服务攻击和缓冲区漏洞溢出攻击（Buffer Overflow）
下列关于缓冲区溢出的说法错误的是（）。A、缓冲区溢出是在数据向缓冲区复制的过程中，没有注意缓冲区的边界，导致超出缓冲区容量的数据填充到缓冲区是覆盖了和缓冲区相邻的其他数据而引起的内存问题B、缓冲区溢出漏洞不能修改内存中变量的值，甚至能劫持进程，执行恶意代码，最终获得主机的控制权C、char buffer [256]；Strcpy（buffer，str）以上代码存在缓冲区溢出D、strlcpy是UNIX下strcpy的安全版本
单选题Which is the correct description of a pinned buffer in the database buffer cache（）AThe buffer is currently being accessed.BThe buffer is empty and has not been used.CThe contents of the buffer have changed and must be flushed to the disk by the DBWn process. DThe buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.
单选题下面哪个不属于MapTask缓冲区相关配置参数（）Aio.sort.mbBio.buffer.mbCio.sort.recorD.percentDio.sort.spill.percent
多选题DNS服务面临的安全隐患主要包括下面哪几项：（）。ADNS欺骗（DNS Spoffing）B拒绝服务（Denial of service，DoS）攻击C分布式拒绝服务攻击和缓冲区漏洞溢出攻击（Buffer Overflow）
问答题深度缓冲区（Z buffer）是什么？