|
[ |
|
{ |
|
"question": "在Shell 脚本中，用来读取文件内各个域的内容并将其赋值给Shell 变量的命令是 （） 。", |
|
"choices": [ |
|
"fold", |
|
"join", |
|
"tr", |
|
"read" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-3", |
|
"A": "fold", |
|
"B": "join", |
|
"C": "tr", |
|
"D": "read" |
|
}, |
|
{ |
|
"question": "退出交互模式的shell，应键入 （） 。", |
|
"choices": [ |
|
";", |
|
"^q", |
|
"exit", |
|
"quit" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-4", |
|
"A": ";", |
|
"B": "^q", |
|
"C": "exit", |
|
"D": "quit" |
|
}, |
|
{ |
|
"question": "下列变量名中有效的shell 变量名是：（）", |
|
"choices": [ |
|
"-2-time", |
|
"_2$3", |
|
"trust_no_1", |
|
"2004file" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-5", |
|
"A": "-2-time", |
|
"B": "_2$3", |
|
"C": "trust_no_1", |
|
"D": "2004file" |
|
}, |
|
{ |
|
"question": "是shell 具有的功能和特点的是（）。", |
|
"choices": [ |
|
"管道", |
|
"输入输出重定向", |
|
"执行后台进程", |
|
"处理程序命令" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-6", |
|
"A": "管道", |
|
"B": "输入输出重定向", |
|
"C": "执行后台进程", |
|
"D": "处理程序命令" |
|
}, |
|
{ |
|
"question": "下列对shell 变量FRUIT 操作，正确的是：（） 。", |
|
"choices": [ |
|
"为变量赋值：$FRUIT=apple", |
|
"显示变量的值：fruit=apple", |
|
"显示变量的值：echo $FRUIT", |
|
"判断变量是否有值：[ -f ―$FRUIT‖ ]" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-7", |
|
"A": "为变量赋值：$FRUIT=apple", |
|
"B": "显示变量的值：fruit=apple", |
|
"C": "显示变量的值：echo $FRUIT", |
|
"D": "判断变量是否有值：[ -f ―$FRUIT‖ ]" |
|
}, |
|
{ |
|
"question": "下面的网络协议中，面向连接的的协议是：()", |
|
"choices": [ |
|
"传输控制协议", |
|
"用户数据报协议", |
|
"网际协议", |
|
"网际控制报文协议" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-8", |
|
"A": "传输控制协议", |
|
"B": "用户数据报协议", |
|
"C": "网际协议", |
|
"D": "网际控制报文协议" |
|
}, |
|
{ |
|
"question": "一台主机要实现通过局域网与另一个局域网通信，需要做的工作是 () 。", |
|
"choices": [ |
|
"配置域名服务器", |
|
"定义一条本机指向所在网络的路由", |
|
"定义一条本机指向所在网络网关的路由", |
|
"定义一条本机指向目标网络网关的路由" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-9", |
|
"A": "配置域名服务器", |
|
"B": "定义一条本机指向所在网络的路由", |
|
"C": "定义一条本机指向所在网络网关的路由", |
|
"D": "定义一条本机指向目标网络网关的路由" |
|
}, |
|
{ |
|
"question": "在/etc/fstab 文件中指定的文件系统加载参数中，() 参数一般用于CD-ROM 等移动设备。", |
|
"choices": [ |
|
"defaults", |
|
"sw", |
|
"rw 和ro", |
|
"noauto" |
|
], |
|
"A": "defaults", |
|
"B": "sw", |
|
"C": "rw 和ro", |
|
"D": "noauto", |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-10" |
|
}, |
|
{ |
|
"question": "终止一个前台进程可能用到的命令和操作 () 。", |
|
"choices": [ |
|
"kill", |
|
";+C", |
|
"shut down", |
|
"halt" |
|
], |
|
"A": "kill", |
|
"B": ";+C", |
|
"C": "shut down", |
|
"D": "halt", |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-11" |
|
}, |
|
{ |
|
"question": "在使用mkdir 命令创建新的目录时，在其父目录不存在时先创建父目录的选项是 ()", |
|
"choices": [ |
|
"-m", |
|
"-d", |
|
"-f", |
|
"–p" |
|
], |
|
"A": "-m", |
|
"B": "-d", |
|
"C": "-f", |
|
"D": "–p", |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-12" |
|
}, |
|
{ |
|
"question": "具有很多C 语言的功能，又称过滤器的是 () 。", |
|
"choices": [ |
|
"csh", |
|
"tcsh", |
|
"awk", |
|
"sed" |
|
], |
|
"A": "csh", |
|
"B": "tcsh", |
|
"C": "awk", |
|
"D": "sed", |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-13" |
|
}, |
|
{ |
|
"question": "建立动态路由需要用到的文件有 () 。", |
|
"choices": [ |
|
"/etc/hosts", |
|
"/etc/HOSTNAME", |
|
"/etc/resolv.conf", |
|
"/etc/gateways" |
|
], |
|
"A": "/etc/hosts", |
|
"B": "/etc/HOSTNAME", |
|
"C": "/etc/resolv.conf", |
|
"D": "/etc/gateways", |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-14" |
|
}, |
|
{ |
|
"question": "局域网的网络地址192.168.1.0/24，局域网络连接其它网络的网关地址是192.168.1.1。主机192.168.1.20 访问172.16.1.0/24 网络时，其路由设置正确的是 () 。", |
|
"choices": [ |
|
"route add –net 192.168.1.0 gw 192.168.1.1 netmask 255.255.255.0 metric1", |
|
"route add –net 172.16.1.0 gw 192.168.1.1 netmask 255.255.255.255 metric1", |
|
"route add –net 172.16.1.0 gw 172.16.1.1 netmask 255.255.255.0 metric 1", |
|
"route add default 192.168.1.0 netmask 172.168.1.1 metric 1" |
|
], |
|
"A": "route add –net 192.168.1.0 gw 192.168.1.1 netmask 255.255.255.0 metric1", |
|
"B": "route add –net 172.16.1.0 gw 192.168.1.1 netmask 255.255.255.255 metric1", |
|
"C": "route add –net 172.16.1.0 gw 172.16.1.1 netmask 255.255.255.0 metric 1", |
|
"D": "route add default 192.168.1.0 netmask 172.168.1.1 metric 1", |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-15" |
|
}, |
|
{ |
|
"question": "下列提法中，不属于ifconfig 命令作用范围的是 () 。", |
|
"choices": [ |
|
"配置本地回环地址", |
|
"配置网卡的IP 地址", |
|
"激活网络适配器", |
|
"加载网卡到内核中" |
|
], |
|
"A": "配置本地回环地址", |
|
"B": "配置网卡的IP 地址", |
|
"C": "激活网络适配器", |
|
"D": "加载网卡到内核中", |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-16" |
|
}, |
|
{ |
|
"question": "下列关于链接描述，错误的是 () 。", |
|
"choices": [ |
|
"硬链接就是让链接文件的i 节点号指向被链接文件的i 节点", |
|
"硬链接和符号连接都是产生一个新的i 节点", |
|
"链接分为硬链接和符号链接", |
|
"硬连接不能链接目录文件" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-17", |
|
"A": "硬链接就是让链接文件的i 节点号指向被链接文件的i 节点", |
|
"B": "硬链接和符号连接都是产生一个新的i 节点", |
|
"C": "链接分为硬链接和符号链接", |
|
"D": "硬连接不能链接目录文件" |
|
}, |
|
{ |
|
"question": "在局域网络内的某台主机用ping 命令测试网络连接时发现网络内部的主机都可以连同，而不能与公网连通，问题可能是 ()。", |
|
"choices": [ |
|
"主机IP 设置有误", |
|
"没有设置连接局域网的网关", |
|
"局域网的网关或主机的网关设置有误", |
|
"局域网DNS 服务器设置有误" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-18", |
|
"A": "主机IP 设置有误", |
|
"B": "没有设置连接局域网的网关", |
|
"C": "局域网的网关或主机的网关设置有误", |
|
"D": "局域网DNS 服务器设置有误" |
|
}, |
|
{ |
|
"question": "下列文件中，包含了主机名到IP 地址的映射关系的文件是：() 。", |
|
"choices": [ |
|
"/etc/HOSTNAME", |
|
"/etc/hosts", |
|
"/etc/resolv.conf", |
|
"/etc/networks" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-19", |
|
"A": "/etc/HOSTNAME", |
|
"B": "/etc/hosts", |
|
"C": "/etc/resolv.conf", |
|
"D": "/etc/networks" |
|
}, |
|
{ |
|
"question": "不需要编译内核的情况是 () 。", |
|
"choices": [ |
|
"删除系统不用的设备驱动程序时", |
|
"升级内核时", |
|
"添加新硬件时", |
|
"将网卡激活" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-20", |
|
"A": "删除系统不用的设备驱动程序时", |
|
"B": "升级内核时", |
|
"C": "添加新硬件时", |
|
"D": "将网卡激活" |
|
}, |
|
{ |
|
"question": "以下聚合函数求数据总和的是( )", |
|
"choices": [ |
|
"MAX", |
|
"SUM", |
|
"COUNT", |
|
"AVG" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-21", |
|
"A": "MAX", |
|
"B": "SUM", |
|
"C": "COUNT", |
|
"D": "AVG" |
|
}, |
|
{ |
|
"question": "SELECT语句的完整语法较复杂,但至少包括的部分是( )", |
|
"choices": [ |
|
"仅SELECT", |
|
"SELECT,FROM", |
|
"SELECT,GROUP", |
|
"SELECT,INTO" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-22", |
|
"A": "仅SELECT", |
|
"B": "SELECT,FROM", |
|
"C": "SELECT,GROUP", |
|
"D": "SELECT,INTO" |
|
}, |
|
{ |
|
"question": "SQL语句中的条件用以下哪一项来表达( )", |
|
"choices": [ |
|
"THEN", |
|
"WHILE", |
|
"WHERE", |
|
"IF" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-23", |
|
"A": "THEN", |
|
"B": "WHILE", |
|
"C": "WHERE", |
|
"D": "IF" |
|
}, |
|
{ |
|
"question": "以下能够删除一列的是( )", |
|
"choices": [ |
|
"alter table emp remove addcolumn", |
|
"alter table emp drop column addcolumn", |
|
"alter table emp delete column addcolumn", |
|
"alter table emp delete addcolumn" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-24", |
|
"A": "alter table emp remove addcolumn", |
|
"B": "alter table emp drop column addcolumn", |
|
"C": "alter table emp delete column addcolumn", |
|
"D": "alter table emp delete addcolumn" |
|
}, |
|
{ |
|
"question": "若要撤销数据库中已经存在的表S,可用()。", |
|
"choices": [ |
|
"DELETE TABLE S", |
|
"DELETE S", |
|
"DROP S", |
|
"DROP TABLE S" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-25", |
|
"A": "DELETE TABLE S", |
|
"B": "DELETE S", |
|
"C": "DROP S", |
|
"D": "DROP TABLE S" |
|
}, |
|
{ |
|
"question": "查找表结构用以下哪一项( )", |
|
"choices": [ |
|
"FIND", |
|
"SELETE", |
|
"ALTER", |
|
"DESC" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-26", |
|
"A": "FIND", |
|
"B": "SELETE", |
|
"C": "ALTER", |
|
"D": "DESC" |
|
}, |
|
{ |
|
"question": "要得到最后一句SELECT查询到的总行数,可以使用的函数是( )", |
|
"choices": [ |
|
"FOUND_ROWS", |
|
"LAST_ROWS", |
|
"ROW_COUNT", |
|
"LAST_INSERT_ID" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-27", |
|
"A": "FOUND_ROWS", |
|
"B": "LAST_ROWS", |
|
"C": "ROW_COUNT", |
|
"D": "LAST_INSERT_ID" |
|
}, |
|
{ |
|
"question": "在视图上不能完成的操作是( )", |
|
"choices": [ |
|
"查询", |
|
"在视图上定义新的视图", |
|
"更新视图", |
|
"在视图上定义新的表" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-28", |
|
"A": "查询", |
|
"B": "在视图上定义新的视图", |
|
"C": "更新视图", |
|
"D": "在视图上定义新的表" |
|
}, |
|
{ |
|
"question": "UNIQUE惟一索引的作用是( )", |
|
"choices": [ |
|
"保证各行在该索引上的值都不得重复", |
|
"保证各行在该索引上的值不得为NULL", |
|
"保证参加惟一索引的各列,不得再参加其他的索引", |
|
"保证惟一索引不能被删除" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-29", |
|
"A": "保证各行在该索引上的值都不得重复", |
|
"B": "保证各行在该索引上的值不得为NULL", |
|
"C": "保证参加惟一索引的各列,不得再参加其他的索引", |
|
"D": "保证惟一索引不能被删除" |
|
}, |
|
{ |
|
"question": "用于将事务处理写到数据库的命令是( )", |
|
"choices": [ |
|
"insert", |
|
"rollback", |
|
"commit", |
|
"savepoint" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-30", |
|
"A": "insert", |
|
"B": "rollback", |
|
"C": "commit", |
|
"D": "savepoint" |
|
}, |
|
{ |
|
"question": "查找条件为【】:姓名不是NULL的记录( )", |
|
"choices": [ |
|
"WHERE NAME ! NULL", |
|
"WHERE NAME NOT NULL", |
|
"WHERE NAME IS NOT NULL", |
|
"WHERE NAME!=NULL" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-31", |
|
"A": "WHERE NAME ! NULL", |
|
"B": "WHERE NAME NOT NULL", |
|
"C": "WHERE NAME IS NOT NULL", |
|
"D": "WHERE NAME!=NULL" |
|
}, |
|
{ |
|
"question": "在视图上不能完成的操作是( )", |
|
"choices": [ |
|
"更新视图数据", |
|
"在视图上定义新的基本表", |
|
"在视图上定义新的视图", |
|
"查询" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-32", |
|
"A": "更新视图数据", |
|
"B": "在视图上定义新的基本表", |
|
"C": "在视图上定义新的视图", |
|
"D": "查询" |
|
}, |
|
{ |
|
"question": "在SQL语言中,子查询是()。", |
|
"choices": [ |
|
"选取单表中字段子集的查询语句", |
|
"选取多表中字段子集的查询语句", |
|
"返回单表中数据子集的查询语言", |
|
"嵌入到另一个查询语句之中的查询语句" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-33", |
|
"A": "选取单表中字段子集的查询语句", |
|
"B": "选取多表中字段子集的查询语句", |
|
"C": "返回单表中数据子集的查询语言", |
|
"D": "嵌入到另一个查询语句之中的查询语句" |
|
}, |
|
{ |
|
"question": "向数据表中插入一条记录用以下哪一项( )", |
|
"choices": [ |
|
"CREATE", |
|
"INSERT", |
|
"SAVE", |
|
"UPDATE" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-34", |
|
"A": "CREATE", |
|
"B": "INSERT", |
|
"C": "SAVE", |
|
"D": "UPDATE" |
|
}, |
|
{ |
|
"question": "SQL语言的数据操纵语句包括SELECT、INSERT、UPDATE、DELETE等。其中最重要的,也是使用最频繁的语句是( )。", |
|
"choices": [ |
|
"UPDATE", |
|
"SELECT", |
|
"DELETE", |
|
"INSERT" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-35", |
|
"A": "UPDATE", |
|
"B": "SELECT", |
|
"C": "DELETE", |
|
"D": "INSERT" |
|
}, |
|
{ |
|
"question": "以下哪种操作能够实现实体完整性( )", |
|
"choices": [ |
|
"设置唯一键", |
|
"设置外键", |
|
"减少数据冗余", |
|
"设置主键" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-36", |
|
"A": "设置唯一键", |
|
"B": "设置外键", |
|
"C": "减少数据冗余", |
|
"D": "设置主键" |
|
}, |
|
{ |
|
"question": "SQL语言中,删除一个视图的命令是( )", |
|
"choices": [ |
|
"REMOVE", |
|
"CLEAR", |
|
"DELETE", |
|
"DROP" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-37", |
|
"A": "REMOVE", |
|
"B": "CLEAR", |
|
"C": "DELETE", |
|
"D": "DROP" |
|
}, |
|
{ |
|
"question": "修改数据库表结构用以下哪一项( )", |
|
"choices": [ |
|
"UPDATE", |
|
"CREATE", |
|
"UPDATED", |
|
"ALTER" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-38", |
|
"A": "UPDATE", |
|
"B": "CREATE", |
|
"C": "UPDATED", |
|
"D": "ALTER" |
|
}, |
|
{ |
|
"question": "以下语句错误的是( )", |
|
"choices": [ |
|
"select sal+1 from emp;", |
|
"select sal*10,sal*deptno from emp;", |
|
"不能使用运算符号", |
|
"select sal*10,deptno*10 from emp;" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-39", |
|
"A": "select sal+1 from emp;", |
|
"B": "select sal*10,sal*deptno from emp;", |
|
"C": "不能使用运算符号", |
|
"D": "select sal*10,deptno*10 from emp;" |
|
}, |
|
{ |
|
"question": "若用如下的SQL语句创建了一个表SC:( )CREATE TABLE SC (S# CHAR(6)NOT NULL,C# CHAR(3)NOT NULL,SCORE INTEGER, NOTE CHAR(20));向SC表插入如下行时,()行可以被插入。", |
|
"choices": [ |
|
"(NULL,’103’,80,’选修’)", |
|
"(’200823’,’101’,NULL,NULL)", |
|
"(’201132’,NULL,86,’’)", |
|
"(’201009’,’111’,60,必修)" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-40", |
|
"A": "(NULL,’103’,80,’选修’)", |
|
"B": "(’200823’,’101’,NULL,NULL)", |
|
"C": "(’201132’,NULL,86,’’)", |
|
"D": "(’201009’,’111’,60,必修)" |
|
}, |
|
{ |
|
"question": "删除用户账号命令是( )", |
|
"choices": [ |
|
"DROP USER", |
|
"DROP TABLE USER", |
|
"DELETE USER", |
|
"DELETE FROM USER" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-41", |
|
"A": "DROP USER", |
|
"B": "DROP TABLE USER", |
|
"C": "DELETE USER", |
|
"D": "DELETE FROM USER" |
|
}, |
|
{ |
|
"question": "敏捷团队日常运作中，迭代评审会议是为了？", |
|
"choices": [ |
|
"团队自身监视，创建下个sprint改进计划机会", |
|
"确认系统功能与用户期望是否一致，收集用户反馈，明确后续目标", |
|
"帮助团队自组织自改进", |
|
"团队之间更透明，加强信任" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-42", |
|
"A": "团队自身监视，创建下个sprint改进计划机会", |
|
"B": "确认系统功能与用户期望是否一致，收集用户反馈，明确后续目标", |
|
"C": "帮助团队自组织自改进", |
|
"D": "团队之间更透明，加强信任" |
|
}, |
|
{ |
|
"question": "6.外观设计专利是指()", |
|
"choices": [ |
|
"对产品的整体或者局部的形状、图案或者其结合以及色彩与形状、图案的结合所作出的富有美感并适于工业应用的新设计。", |
|
"对产品、方法或者其改进所提出的新的技术方案。", |
|
"对产品的形状、构造或者其结合所提出的适于实用的新的技术方案，", |
|
"科学发现" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-43", |
|
"A": "对产品的整体或者局部的形状、图案或者其结合以及色彩与形状、图案的结合所作出的富有美感并适于工业应用的新设计。", |
|
"B": "对产品、方法或者其改进所提出的新的技术方案。", |
|
"C": "对产品的形状、构造或者其结合所提出的适于实用的新的技术方案，", |
|
"D": "科学发现" |
|
}, |
|
{ |
|
"question": "为了防范XSS攻击，需要在数据输出之前先对敏感字符进行()，能够避免跨站脚本漏洞，是防止XSS的首推之选", |
|
"choices": [ |
|
"删除", |
|
"替换", |
|
"注释", |
|
"转义" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-44", |
|
"A": "删除", |
|
"B": "替换", |
|
"C": "注释", |
|
"D": "转义" |
|
}, |
|
{ |
|
"question": "出现业务逻辑漏洞的原因有哪些?", |
|
"choices": [ |
|
"服务器对客户端的业务缺乏一致性验证", |
|
"通信过程中末进行数据保护", |
|
"很多业务作的参数是从客户端获取的", |
|
"全部都是" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-45", |
|
"A": "服务器对客户端的业务缺乏一致性验证", |
|
"B": "通信过程中末进行数据保护", |
|
"C": "很多业务作的参数是从客户端获取的", |
|
"D": "全部都是" |
|
}, |
|
{ |
|
"question": "DDoS攻击亦称洪水攻击，是一种网络攻击手法，其攻击方式可以具体分成两种形式( )以及资源消耗型", |
|
"choices": [ |
|
"服务消耗型", |
|
"延迟消耗型", |
|
"传输消耗型", |
|
"带宽消耗型" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-46", |
|
"A": "服务消耗型", |
|
"B": "延迟消耗型", |
|
"C": "传输消耗型", |
|
"D": "带宽消耗型" |
|
}, |
|
{ |
|
"question": "以下关于敏捷教练(ScrumMaster)的描述，错误的是", |
|
"choices": [ |
|
"保护团队不受外界因素的干扰", |
|
"研发过程中，同时担任产品负责人(ProductOwner)职责", |
|
"保证各个不同角色之间的良好协作，消除障碍", |
|
"保证Scrum团队可以道守Scrum的价值，实践和规范" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-47", |
|
"A": "保护团队不受外界因素的干扰", |
|
"B": "研发过程中，同时担任产品负责人(ProductOwner)职责", |
|
"C": "保证各个不同角色之间的良好协作，消除障碍", |
|
"D": "保证Scrum团队可以道守Scrum的价值，实践和规范" |
|
}, |
|
{ |
|
"question": "Devops价值不包括", |
|
"choices": [ |
|
"可以使原本预立的开发、测试和运维等角色更好地协作", |
|
"提供统一的运行框架和开发工具支持", |
|
"缩短开发周期", |
|
"提高部雷频率和发布可靠度" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-48", |
|
"A": "可以使原本预立的开发、测试和运维等角色更好地协作", |
|
"B": "提供统一的运行框架和开发工具支持", |
|
"C": "缩短开发周期", |
|
"D": "提高部雷频率和发布可靠度" |
|
}, |
|
{ |
|
"question": "编码阶段输出不包括以下哪一项", |
|
"choices": [ |
|
"代码评审报告", |
|
"概要设计说明书洋细设计说明书", |
|
"源代码", |
|
"单元测过案例" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-49", |
|
"A": "代码评审报告", |
|
"B": "概要设计说明书洋细设计说明书", |
|
"C": "源代码", |
|
"D": "单元测过案例" |
|
}, |
|
{ |
|
"question": "在以太网中 ARP 报文分为 ARP Request 和 ARP Response，其中 ARP Request 在网络是（ ）传送", |
|
"choices": [ |
|
"广播", |
|
"单播", |
|
"组播", |
|
"多播" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-51", |
|
"A": "广播", |
|
"B": "单播", |
|
"C": "组播", |
|
"D": "多播" |
|
}, |
|
{ |
|
"question": "在一台 IP 地址为 192.168.0.2 的计算机上 Ping 192.168.0.1 -l 10，那么在 192.168.0.1 这台计算机上收到的 IP 报文长度是（ ）", |
|
"choices": [ |
|
"10byte", |
|
"38byte", |
|
"64byte", |
|
"56byte" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-52", |
|
"A": "10byte", |
|
"B": "38byte", |
|
"C": "64byte", |
|
"D": "56byte" |
|
}, |
|
{ |
|
"question": "下面协议中那一个是工作在传输层并且是面向无连接的。", |
|
"choices": [ |
|
"IP", |
|
"ARP", |
|
"TCP", |
|
"UDP" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-53", |
|
"A": "IP", |
|
"B": "ARP", |
|
"C": "TCP", |
|
"D": "UDP" |
|
}, |
|
{ |
|
"question": "下面哪个协议用于发现设备的硬件地址？", |
|
"choices": [ |
|
"RARP", |
|
"ARP", |
|
"IP", |
|
"ICMP", |
|
"BootP" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-54", |
|
"A": "RARP", |
|
"B": "ARP", |
|
"C": "IP", |
|
"D": "ICMP", |
|
"E": "BootP" |
|
}, |
|
{ |
|
"question": "10.254.255.19/255.255.255.248 的广播地址是什么?", |
|
"choices": [ |
|
"10.254.255.23", |
|
"10.254.255.24", |
|
"10.254.255.255", |
|
"10.255.255.255" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-55", |
|
"A": "10.254.255.23", |
|
"B": "10.254.255.24", |
|
"C": "10.254.255.255", |
|
"D": "10.255.255.255" |
|
}, |
|
{ |
|
"question": "下面那一个 TCP/UDP 端口范围将被客户端程序使用?", |
|
"choices": [ |
|
"1–1023", |
|
"1024 and above", |
|
"1–256", |
|
"1–65534" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-56", |
|
"A": "1–1023", |
|
"B": "1024 and above", |
|
"C": "1–256", |
|
"D": "1–65534" |
|
}, |
|
{ |
|
"question": "哪些端口是 well-known port？", |
|
"choices": [ |
|
"1–1023", |
|
"1024 and above", |
|
"1–256", |
|
"1–65534" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-57", |
|
"A": "1–1023", |
|
"B": "1024 and above", |
|
"C": "1–256", |
|
"D": "1–65534" |
|
}, |
|
{ |
|
"question": "地址 127.0.0.1 表示什么?", |
|
"choices": [ |
|
"本地 broadcast", |
|
"直接 multicast", |
|
"本地 network", |
|
"本地 loopback" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-58", |
|
"A": "本地 broadcast", |
|
"B": "直接 multicast", |
|
"C": "本地 network", |
|
"D": "本地 loopback" |
|
}, |
|
{ |
|
"question": "将 172.16.100.0/24 和 172.16.106.0/24 地址聚合应该选择那种表达方式。", |
|
"choices": [ |
|
"172.16.0.0/24", |
|
"172.16.100.0/20", |
|
"172.16.106.0/20", |
|
"172.16.96.0/20" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-59", |
|
"A": "172.16.0.0/24", |
|
"B": "172.16.100.0/20", |
|
"C": "172.16.106.0/20", |
|
"D": "172.16.96.0/20" |
|
}, |
|
{ |
|
"question": "IP 报文头中固定长度部分为多少字节？ 正确的选项是", |
|
"choices": [ |
|
"10", |
|
"20", |
|
"30", |
|
"40" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-60", |
|
"A": "10", |
|
"B": "20", |
|
"C": "30", |
|
"D": "40" |
|
}, |
|
{ |
|
"question": "TCP/IP协议中，基于TCP协议的应用程序包括", |
|
"choices": [ |
|
"ICMP", |
|
"SMTP", |
|
"RIP", |
|
"SNMP" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-61", |
|
"A": "ICMP", |
|
"B": "SMTP", |
|
"C": "RIP", |
|
"D": "SNMP" |
|
}, |
|
{ |
|
"question": "PING 命令使用了哪种ICMP？ 正确的选项是 。", |
|
"choices": [ |
|
"Redirect", |
|
"Source quench", |
|
"Echo reply", |
|
"Destination unreachable" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-62", |
|
"A": "Redirect", |
|
"B": "Source quench", |
|
"C": "Echo reply", |
|
"D": "Destination unreachable" |
|
}, |
|
{ |
|
"question": "当今世界上最流行的TCP/IP协议的层次并不是按OSI参考模型来划分的，相对应于OSI 的七层网络模型，没有定义 。", |
|
"choices": [ |
|
"物理层与链路层", |
|
"链路层与网络层", |
|
"网络层与传输层", |
|
"会话层与表示层" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-63", |
|
"A": "物理层与链路层", |
|
"B": "链路层与网络层", |
|
"C": "网络层与传输层", |
|
"D": "会话层与表示层" |
|
}, |
|
{ |
|
"question": "一个IP报文在路由器中经过一番处理之后，TTL字段值变为0，这时（ ）", |
|
"choices": [ |
|
"路由器向IP报文的源地址发送一个ICMP错误信息，并继续转发该报文", |
|
"路由器向IP报文的源地址发送一个ICMP错误信息，并停止转发该报文", |
|
"路由器继续转发报文，不发送错误信息", |
|
"路由器直接丢弃该IP报文，既不转发，也不发送错误信息", |
|
"以上四种说法都不完全正确，要视具体情况而定" |
|
], |
|
"answer": "", |
|
"solution": "", |
|
"id": "pufa-64", |
|
"A": "路由器向IP报文的源地址发送一个ICMP错误信息，并继续转发该报文", |
|
"B": "路由器向IP报文的源地址发送一个ICMP错误信息，并停止转发该报文", |
|
"C": "路由器继续转发报文，不发送错误信息", |
|
"D": "路由器直接丢弃该IP报文，既不转发，也不发送错误信息", |
|
"E": "以上四种说法都不完全正确，要视具体情况而定" |
|
}, |
|
{ |
|
"question": "TCP/IP协议中，基于TCP协议的应用程序包括", |
|
"choices": [ |
|
"ICMP", |
|
"SMTP", |
|
"RIP", |
|
"SNMP" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-65", |
|
"A": "ICMP", |
|
"B": "SMTP", |
|
"C": "RIP", |
|
"D": "SNMP" |
|
}, |
|
{ |
|
"question": "国际上负责分配IP地址的专业组织划分了几个网段作为私有网段，可以供人们在私有网络上自由分配使用，以下不属于私有地址的网段是", |
|
"choices": [ |
|
"10.0.0.0/8", |
|
"172.16.0.0/12", |
|
"192.168.0.0/16", |
|
"224.0.0.0/8" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-66", |
|
"A": "10.0.0.0/8", |
|
"B": "172.16.0.0/12", |
|
"C": "192.168.0.0/16", |
|
"D": "224.0.0.0/8" |
|
}, |
|
{ |
|
"question": "在一个子网掩码为255.255.240.0 的网络中，（ ）不是合法的主机地址。", |
|
"choices": [ |
|
"150.150.37.2", |
|
"150.150.16.2", |
|
"150.150.8.12", |
|
"150.150.47.255" |
|
], |
|
"answer": "D", |
|
"solution": "", |
|
"id": "pufa-67", |
|
"A": "150.150.37.2", |
|
"B": "150.150.16.2", |
|
"C": "150.150.8.12", |
|
"D": "150.150.47.255" |
|
}, |
|
{ |
|
"question": "172.16.10.32/255.255.255.224代表的是（ ）地址。", |
|
"choices": [ |
|
"主机", |
|
"网络", |
|
"组播", |
|
"广播" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-68", |
|
"A": "主机", |
|
"B": "网络", |
|
"C": "组播", |
|
"D": "广播" |
|
}, |
|
{ |
|
"question": "IPV6地址长度为（ ）Bits。", |
|
"choices": [ |
|
"32", |
|
"64", |
|
"128", |
|
"256" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-69", |
|
"A": "32", |
|
"B": "64", |
|
"C": "128", |
|
"D": "256" |
|
}, |
|
{ |
|
"question": "TCP协议通过（ ）来区分不同的连接。", |
|
"choices": [ |
|
"IP地址", |
|
"端口号", |
|
"IP地址+端口号", |
|
"MAC地址" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-70", |
|
"A": "IP地址", |
|
"B": "端口号", |
|
"C": "IP地址+端口号", |
|
"D": "MAC地址" |
|
}, |
|
{ |
|
"question": "在IP协议的报文头中2字节的IP protocol type表示了IP数据报文携带的内容，代表UDP报文的数值是（ ）。", |
|
"choices": [ |
|
"6", |
|
"17", |
|
"20", |
|
"89" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-71", |
|
"A": "6", |
|
"B": "17", |
|
"C": "20", |
|
"D": "89" |
|
}, |
|
{ |
|
"question": "在IP协议数据报文中，标志字段的最低位如果为1表示后面还有分片的数据报，该标志字段的最低位是（ ）。", |
|
"choices": [ |
|
"CF", |
|
"MF", |
|
"DF", |
|
"TTL" |
|
], |
|
"answer": "B", |
|
"solution": "", |
|
"id": "pufa-72", |
|
"A": "CF", |
|
"B": "MF", |
|
"C": "DF", |
|
"D": "TTL" |
|
}, |
|
{ |
|
"question": "TRACERT过程中，一定不会用到的协议是（ ）。", |
|
"choices": [ |
|
"ICMP", |
|
"ARP", |
|
"TCP", |
|
"UDP" |
|
], |
|
"answer": "C", |
|
"solution": "", |
|
"id": "pufa-73", |
|
"A": "ICMP", |
|
"B": "ARP", |
|
"C": "TCP", |
|
"D": "UDP" |
|
}, |
|
{ |
|
"question": "IP 报文中一部分字段专门用来描述报文的生命周期，即 TTL 值，它的最大值是( )。", |
|
"choices": [ |
|
"255", |
|
"256", |
|
"63", |
|
"6" |
|
], |
|
"answer": "A", |
|
"solution": "", |
|
"id": "pufa-74", |
|
"A": "255", |
|
"B": "256", |
|
"C": "63", |
|
"D": "6" |
|
} |
|
] |
