一.选择题 1.在登录Linux时,一个具有唯一进程ID号的shell将被调用,这个ID是什么(B)? A.NID B.PID C.UID D.CID 2.下面哪个目录存放用户密码信息(B) A./boot B./etc C./var D./dev 3.(D)不是流行的Linux操作系统. A.Red Hat Linux B.Mac OS C.Ubuntu Linux D.Red Flag Linux 4.关闭linux系统(不重新启动)可使用命令 (B) . A.Ctrl+Alt+Del B.

一. 单选题: 1.添加一条静态路由,使到网络196.199.3通过eth2接口出去,用: A. route add -net 196.199.3.0 B. route add -net 196.199.3.0 netmask 255.0.0.0 eth2 C. route add 196.199.3.0 netmask 255.0.0.0 eth2 D. route add -net 196.199.3.0 netmask 255.255.255.0 eth2 答案:D 2.ftp的数据传送模

一. 单选题: 1.添加一条静态路由,使到网络196.199.3通过eth2接口出去,用: A. route add -net 196.199.3.0 B. route add -net 196.199.3.0 netmask 255.0.0.0 eth2 C. route add 196.199.3.0 netmask 255.0.0.0 eth2 D. route add -net 196.199.3.0 netmask 255.255.255.0 eth2 答案:D 2.ftp的数据传送模

我开始做第一章后的练习题,发觉不是很容易随意地回答,就像是C++ primer之后的练习题的感觉. 自己有这么多不会的,让我感觉很不爽啊- -! 先不要要求自己一下子都明了,一口吃不成胖子,先找一份工作,慢慢来,坚持补全这些所有知识. 贴一个随便google出的链接出来,感觉作者写得还是不错的:THIS

符号链接和硬链接有什么区别? 改:符号链接存储文件路径,可以指向不同分区文件,源文件删除后失效. 改:硬链接指向文件索引节点,仅能指向同一分区文件,源文件删除后可以访问. 请描述文件和目录9位权限位的含义. 改:r:对文件该用户有读取内容的权限,对目录该用户有浏览目录的权限. 改:w:对文件该用户有新增,修改目录的权限,对目录该用户有删除,移动目录内文件的权限. 改:x:对文件该用户有执行文件的权限,对目录该用户有进入目录的权限. 请简述使用lvm配置磁盘的全过程. 改:创建物理卷:pvcrea

32. Examine these commands and their output: • SQL> SELECT * FROM emp; • ENO ENAME • ---- ----- • 100 Adam • 101 Alan • SQL> INSERT INTO emp VALUES(102,'Ben"); • 1 row created. • SQL> COMMIT; • Commit completed. • SQL> UPDATE emp SET enam

31.Which two events always request the LGWR to write? A) when LGWR is notified by a server process that performs a Commit or ROLLBACK B) When PMON restarts a server process C) when DBWn writes dirty buffers D) when a log switch occurs E) when a check

30.Which is true when a database instance is shut down? A. Only transactional and normal modes wait for all uncommitted transactions to commit or rollback and then close the database. B. Immediate, transactional, and normal modes all result in a chec

23.Which two are true about data dictionary and dynamic performance views (v$ views)? A) All database users have access to ALL_* views. B) Data dictionary view output is subject to read consistency. C) The defining queries for Oracle supplied dynamic

22.You are planning a software installation for both Oracle Database 11g Release 1 and Release 2. You plan to have at lease one database for each release managed by Grid Infrastructure for a Standalone Server. Which three are true in this scenario? A

21.Which two are true about roles? A) A role can be password-protected. B) A role can be granted to another role. C) Only one default role can be granted to a user. D) A role can be granted only multiple system privileges not multiple object privileg

13.Which two are true about AWR snapshots? A) They are stored In the SYSAUX tablespace. B) They are not generated if STATISTICS_LEVEL Is set to TYPICAL. C) They can be modified by using DMLs. D) They can be retained forever. E) They are always create

11.Which three are true about UNDO data? A) It is used to roll back failed transactions. B) It is used to rewind a database by using FLASHBACK DATABASE. C) It is used to recover dropped tables by using FLASHBACK TABLE … TO BEFORE DROP. D) It is used

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Linux相关面试题&答案 Linux面试题&答案 假设apache日志格式为:118.78.199.98 – - [09/Jan/2010:00:59:59 +0800] "GET /Public/Css/index.css HTTP/1.1″ 304 – "http://www.a.cn/common/index.php" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6.

1.在登录Linux时,一个具有唯一进程ID号的shell将被调用,这个ID是什么()A.NID B.PID C.UID C.CID 2.下面那个用户存放用户密码信息()A./boot B./etc C./var D./dev 3.用于自动补全功能时,输入命令或文件的前1个或后几个字母按什么键()A.ctrl B.tab C.alt D.esc 4.vim退出不保存的命令是()A.:q B.q C.:wq D.:q! 5.文件权限读.写.执行三种符号的标志依次是()A.rwx B.xrw C.r

C#复习⑨ 2016年6月22日 14:28 C#考试题&参考答案:http://pan.baidu.com/s/1sld4K13 Main XML Comments & Pointer XML注释和指针 1.Special Comments 注释很重要!!! 2.XML Tags 有那么些类似于HTML的标签 Predefined Tags Main tags <summary> short description of a program element </summ

  目录 Python4期模拟面试技术面试题答案................................................................................................................ 3 一. python语法....................................................................................................

在一个严重依赖Windows的工作环境中,比如电子邮件被限定为Outlook(因为加密要求), VPN软件不支持Linux版本,那么,只使用Linux桌面是不够的,还需要在Linux桌面上跑个虚拟机运行Windows (比如Win 7).于是,有一个BT的需求应运而生 -- 在Linux桌面上启动虚拟机跑Win 7,然后在Win 7里访问Linux桌面.也许你很好奇,不禁要发问: “为什么要在虚拟机Win7里访问物理机Linux桌面?” 答案很简单:情非得已!因为本人习惯在Linux的Termi