分类： LINUX
2007-01-23 18:49:12
31. What file do I edit to prevent specific users from accessing an ftp server? Choose the best answer: A. /etc/hosts.allow B. /etc/hosts.deny C. /etc/ftpacess D. /etc/ftpusers E. /etc/ftpd.conf -------------------------------------------------------------------------------- 32. What does the -H option do for the dhcpcd program? Choose the best answer: A. Sets the hostname of the machine to the name provided by DHCP. B. Kills any previous version of the dhcpcd program that may be running. C. Passes the machine name to DHCP as part of the DHCP request. D. Only tries to get a new ip address if the current one is older than a certain number of hours. E. None of the above -------------------------------------------------------------------------------- 33. What command will turn off the ftpd service in all runlevels? Choose the best answer: A. chkconfig ftpd off B. rm /etc/rc.d/init.d/*ftpd* C. chkconfig --levels 12345 ftpd off D. service ftpd stop E. service ftpd stop -persistant -------------------------------------------------------------------------------- 34. Your IP address is 10.0.0.2 and your subnet mask is 255.255.255.0. You have one ethernet card. You want to set your default gateway to be 10.0.0.1. Which of the following is the correct syntax to accomplish this? Choose the best answer: A. route add default 10.0.0.1 eth0 B. route add default gw 10.0.0.1 dev eth0 C. route add default gw 10.0.0.2 eth0 255.255.255.0 D. route add default gw 10.0.0.2 /dev/eth0 255.255.255.0 E. route add default gw 10.0.0.2 255.255.255.0 -------------------------------------------------------------------------------- 35. Where are kernel modules stored assuming you are using kernel version 2.4.16-9? Choose the best answer: A. /lib/redhat/modules/2.4.16-9 B. /lib C. /lib/modules/2.4.16-9 D. /lib/modules E. /usr/lib/modules/ -------------------------------------------------------------------------------- 36. How do you install an RPM? Choose the best answer: A. rpm -evh packagename.rpm B. rpm -ivh packagename.rpm C. rpm -q packagename.rpm D. rpm -qa *.rpm E. rpm -ql *.rpm -------------------------------------------------------------------------------- 37. What does the following cron entry do? 10 5 * * * /bin/foo Choose the best answer: A. runs /bin/foo every 10 minutes 5 days a week B. runs /bin/foo at 10:05 AM every day C. runs /bin/foo on the 10th of May every year D. runs /bin/foo at 5:10 AM every day E. none of the above -------------------------------------------------------------------------------- 38. What command do you use to edit the default grace period for quotas? Choose the best answer: A. quotaconfig -g B. editquota -g C. quotaconfig -t D. edquota -t E. quotaeditor --grace -------------------------------------------------------------------------------- 39. You install Linux and reboot your machine and you see only L instead of the expected LILO. What is wrong? Choose the best answer: A. Lilo did not load at all. B. The first stage boot loader loaded but not the second stage. C. The descriptor table is corrupt. D. The second stage boot loader loaded at an incorrect address E. Nothing is wrong. -------------------------------------------------------------------------------- 40. What command can you enter to find out which rpm contains the /etc/foo file? Choose the best answer: A. rpm -qa |grep foo B. rpm -ql /etc/foo C. rpm -qlf /etc/foo D. rpm -q -f /etc/foo E. man foo -------------------------------------------------------------------------------- 41. You have just added a new NFS share to the appropriate file. What must you do to activate the share? Choose the best answer: A. reboot B. exportfs -a C. ndc restart D. server nfs start E. mount -A -------------------------------------------------------------------------------- 42. You want to compile a new kernel. You have just run "make xconfig". What should you do next? Choose the best answer: A. make bzImage B. make dep C. make clean D. make mrproper E. make xconfig -------------------------------------------------------------------------------- 43. What directory contains the DNS zone files? Choose the best answer: A. /etc/bind/ B. /etc/named/ C. /etc/bind.d D. /var/named E. /var/bind.d -------------------------------------------------------------------------------- 44. What file contains the list of terminals that root is allowed to log into? Choose the best answer: A. /etc/rooterm.conf B. /etc/terminals C. /etc/secure D. /etc/tty.conf E. /etc/securetty -------------------------------------------------------------------------------- 45. You have Linux installed on a machine and you use LILO as your boot loader. How do you boot into single user mode? Choose all correct answers: A. Wait for the machine to boot up then log in as root. Use the init 2 command. B. At the LILO prompt use the linux single command. C. At the LILO prompt use the linux 1 command. D. At the LILO prompt use the linux command. E. Linux only supports multi-user mode. -------------------------------------------------------------------------------- 46. You have created a /home/projectx directory with the owner of projectx and a group of projectx. How can you set its permissions so that all files created in this directory are owned by the projectx group? Choose the best answer: A. chown projectx.projextx /home/projectx B. chgrp projectx /home/projectx C. chmod 755 /home/projectx D. chmod g-s /home/projectx E. chmod g+s /home/projectx -------------------------------------------------------------------------------- 47. How can you create a file of all your ISA plug and play device settings? Choose the best answer: A. pnpdump > isapnp.conf B. pnpdump -isa > isapnp.conf C. isadump > isapnp.conf D. cat /proc/isa E. isaadmin --dump >isapnp.conf -------------------------------------------------------------------------------- 48. What is the correct syntax to mount an MS DOS formatted floppy disk (do not assume that there is an entry in /etc/fstab)? Choose the best answer: A. mount /dev/floppy /mnt/fd0 B. mount -t iso9660 /dev/fd0 /mnt/floppy C. mount -t vfat /dev/fd0 /mnt/floppy D. mount -t msdos /dev/floppy /mnt/floppy E. mdir -------------------------------------------------------------------------------- 49. How can a user set up their own crontab entry? Choose the best answer: A. vi ~/.crontab B. cp /etc/crontab . C. crontab -v D. crontab -e E. cron -edit -------------------------------------------------------------------------------- 50. What is the correct syntax to mount an MS DOS formatted floppy disk (do not assume that there is an entry in /etc/fstab)? Choose the best answer: A. mount /dev/floppy /mnt/fd0 B. mount -t iso9660 /dev/fd0 /mnt/floppy C. mount -t vfat /dev/fd0 /mnt/floppy D. mount -t msdos /dev/floppy /mnt/floppy E. mdir |
1. What command will create the quota.user and quota.group files for me? Choose the best answer: A. quotacheck -avug B. quotacheck -cugf C. quotacheck -rugf D. repquota -u E. none of the above 1.B -a 如果用它取代任何文件系统的名字,quotacheck将检测所有在/etc/mtab中列为可读写的文件系统的配额.在缺省状态下,只有在/etc/mtab中被列为配额的文件系统才会被检测. -v quotacheck在运行时报告其每一项操作.在缺省状态下不报告. -c 不读已经存在的配额文件.执行一次新的扫描,并且把结果保存到磁盘上. -f 强制检测所有使用配额的文件系统.不推荐使用该选项,因为其产生的配额文件可能会不同步. -u 只检测在/etc/mtab列出或指定的文件系统中的用户配额.这是缺省状态下采取的行动. -g 只检测在/etc/mtab中列出或制定的文件系统中的组配额 其他选项请查看 -------------------------------------------------------------------------------- 2. How do I immeadiately shut down a Linux system? Choose the best answer: A. Turn off the monitor then turn off the CPU. B. /sbin/stop C. init 6 D. shutdown -h now E. None of the above 2.有一个拼写错误,immeadiately应该是immediately init 6 = reboot init 0 = shutdown -h now 所以是D 没什么好说的！ -------------------------------------------------------------------------------- 3. What port does the Squid proxy server use by default? Choose the best answer: A. 80 B. 1080 C. 3028 D. 3128 E. 8080 3.D #grep http_port /etc/squid/squid.conf 或看 /usr/share/doc/squid-*/ 的document -------------------------------------------------------------------------------- 4. How can you find out which ports are being used? Choose the best answer: A. ifconfig -a B. netstat -a C. netstat -rn D. ports E. cat /etc/services 4.B ifconfig 是用来看网卡的 netstat -rn 用来看默认路由 -------------------------------------------------------------------------------- 5. What file contains the configuration for BIND? Choose the best answer: A. /etc/bind.conf B. /etc/named.conf C. /etc/dns.conf D. /var/named/bind.conf E. /var/named.conf 5.B -------------------------------------------------------------------------------- 6. Sendmail is an example of a(n) Choose the best answer: A. MTA B. MUA C. MDA D. MLA E. All of the above MTA 邮件传输代理 MUA 邮件用户代理 MDA 邮件分发代理 MLA 邮件列表代理 -------------------------------------------------------------------------------- 7. Which options to chmod allow read access to all but only allow write and execute access to the owner? Choose the best answer: A. chmod 777 filename B. chmod 700 filename C. chmod 744 filename D. chmod 447 filename E. chmod 775 filename 7.C 7 rwx ,6 rw- ,5 r-x ,4 r-- ,3 -wx ,2 -w- ,1 --x -------------------------------------------------------------------------------- 8. What command do you use to edit quotas? Choose the best answer: A. quotaconfig B. editquota C. quotaconfig D. edquota E. quotaeditor 8.D #man 8 edquota -------------------------------------------------------------------------------- 9. Which option can not be specified to a Client using the DHCP protocol? Choose the best answer: A. default gateway B. primary WINS server C. subnet mask D. web proxy server E. IP address 9.D #man dhcpd.conf -------------------------------------------------------------------------------- 10. You want to add a directory to all users paths. What file should you edit to do this? Choose the best answer: A. /etc/sysconfig/profile B. /etc/sysconfig/profile C. /etc/bashrc D. /etc/profile E. /etc/env 10.D /etc/bashrc 不一定会被读到！看看~/.bashrc 就知道 -------------------------------------------------------------------------------- 11. What program can be used to test the smb.conf file for errors? Choose the best answer: A. mount B. test C. samba --checkparm D. testparm E. smbfs 11.D #man 1 testparm -------------------------------------------------------------------------------- 12. What does COPS stand for? Choose the best answer: A. Company Oriented Password System B. Computer Oriented Password Security C. Computer Oracle and Password System D. Computer Oracle and Points System E. None of the above 12B 拼写问题,去google上查 -------------------------------------------------------------------------------- 13. You are configuring a Linux DHCP server. You have it setup and working (as Linux clients are getting ip addresses from the DHCP server fine) but some Windows 95 clients are not getting ip addresses properly from your DHCP server. What do you need to do? Choose the best answer: A. route add -host 255.255.255.255 dev eth0 B. route add -net 255.255.255.255 dev eth0 C. service dhcp restart D. touch /var/state/leases E. Windows 95 is not compatible with a Linux DHCP server. 13？ 不清楚，手边也没有Win95 做试验！就不误人子弟了！ -------------------------------------------------------------------------------- 14. How can I see what directories are being shared via NFS on a remote host called fileserver? Choose the best answer: A. ping fileserver B. mount -a -t NFS fileserver C. showmount -e fileserver D. nfstalk --query fileserver E. None of the above 14.C -------------------------------------------------------------------------------- 15. What file contains the configuration for the Network Time Protocol server? Choose the best answer: A. /etc/ntp.conf B. /etc/xntp.conf C. /etc/NTP D. /etc/time.conf E. /etc/timeserver.conf 15.A -------------------------------------------------------------------------------- 16. What does the -N option do for the dhcpcd program? Choose the best answer: A. Sets the hostname of the machine to the name provided by DHCP. B. If the dhcpcd server is already running then it sends it an ALRM signal to get it to renew its lease. C. Passes the machine name to DHCP as part of the DHCP request. D. Only tries to get a new ip address if the current one is older than a certain number of hours. E. None of the above 16.没有找到－N这个参数，只有一个－n -n Sends SIGALRM signal to the dhcpcd process that is currently running which forces dhcpcd to try to renew the lease. If dhcpcd is not running, the flag is ignored and dhcpcd follows the normal startup procedure. -------------------------------------------------------------------------------- 17. Which files are used to configure TCP Wrappers? Choose the best answer: A. /etc/tcpwrapper.conf and /etc/hosts.conf B. /etc/hosts.allow and /etc/hosts.deny C. /etc/tcpwrapper.conf and /etc/xinetd.conf D. /etc/access.conf and /etc/xinetd.conf E. /etc/tcpwrapper and /etc/access.conf 17.B #man 5 hosts_access -------------------------------------------------------------------------------- 18. What file do you edit to set the default runlevel? Choose the best answer: A. /etc/grub.conf B. /etc/lilo.conf C. either A or B D. /etc/inittab E. /etc/runlevel 18.D 不过A，B 也可以设的！ -------------------------------------------------------------------------------- 19. If you want to allow X-Windows programs from hostB to run on the display on hostA what would you need to do? Choose the best answer: A. run xhost +hostB on hostA. B. run xhost +hostA on hostB. C. run xhost + on hostA. D. run xhost + on hostB. E. just set the DISPLAY environment variable and it will work. 19.A -------------------------------------------------------------------------------- 20. What file would you edit to share out a directory via NFS? Choose the best answer: A. /etc/nfsd.conf B. /etc/nsf C. /etc/fstab D. /etc/exports E. /etc/export.conf 20.D -------------------------------------------------------------------------------- 21. You have installed a DHCP server on your Linux machine and edited the configuration file. What else must you do before it will give out ip addresses? Choose the best answer: A. reboot B. Put fixed-addresses in the configuration for each client. C. service dhcp begin D. touch /var/lib/dhcp/dhcpd.leases E. All of the above 21.D Linux dhcpd 的IP分配记帐 -------------------------------------------------------------------------------- 22. The PCMCIA card configuration file is read by cardmgr ( at startup time. It defines what resources are available for use by Card Services describes how to load and initialize device drivers and describes specific PCMCIA cards. Where is this file located? Choose the best answer: A. /etc/pcmcia/config.opts B. /etc/sysconfig/pcmcia C. /etc/config.pcmcia D. /etc/pcmcia E. /etc/pcmcia/config 22.E -------------------------------------------------------------------------------- 23. What program allows you to acess SMB shares using ftp-like commmands? Choose the best answer: A. mount B. smbftp C. smbclient D. smbmount E. samba 23.B -------------------------------------------------------------------------------- 24. Where are source RPMs installed? Choose the best answer: A. /usr/src/linux/rpms/ B. /var/src/linux/rpm/ C. /var/rpm/src/ D. /var/linux/rpm/src/ E. /usr/src/redhat/ 24.E -------------------------------------------------------------------------------- 25. What command allows you to switch from using Gnome to using KDE? Choose the best answer: A. Xconfigurator B. Xsetup C. Xwindowconfig D. switchdesk E. videocfg 25. D 改的是~/.Xclient-defaults -------------------------------------------------------------------------------- 26. What command will map all of the dependencies between modules into a file? Choose the best answer: A. modmap B. depmod -a C. depmod --rebuild D. modmap --rebuild E. modprobe --rebuild 26.B -------------------------------------------------------------------------------- 27. You want to compile a new kernel. You have just run "make dep". What should you do next? Choose the best answer: A. make bzImage B. make dep C. make clean D. make mrproper E. make xconfig 27.A 我编译内核的步骤是： make mrproper cp -p /usr/src/linux2.*.*/configs/kernel-XXXX /usr/src/linux2.*.*/.config make oldconfig make menuconfig make dep make bzImage make modules make modules_install make install -------------------------------------------------------------------------------- 28. You have just added a new NFS share to the appropriate file. What must you do to activate the share? Choose the best answer: A. reboot B. exportfs -a C. ndc restart D. server nfs start E. mount -A 28.B 我一般习惯使用-r 参数 -------------------------------------------------------------------------------- 29. How do you enable quotas on a partition in /etc/fstab? Choose the best answer: A. Add the enforcequotas option. B. You don't. Quotas are turned on automatically when you install the quota rpm. C. Add the quota option. D. Add the usrquota and grpquota options. E. You put a 1 in the last column. 29.D /dev/hdaX /home ext3 defaults,usrquota,grpquota 0 0 -------------------------------------------------------------------------------- 30. Which installation class will automatically delete all of your DOS partitions? Choose the best answer: A. Custom B. Workstation C. Laptop D. Server E. All of the above 30.D RH8.0之前的问题了! -------------------------------------------------------------------------------- 31. What file do I edit to prevent specific users from accessing an ftp server? Choose the best answer: A. /etc/hosts.allow B. /etc/hosts.deny C. /etc/ftpacess D. /etc/ftpusers E. /etc/ftpd.conf 31.D 这是由PAM控制的！ -------------------------------------------------------------------------------- 32. What does the -H option do for the dhcpcd program? Choose the best answer: A. Sets the hostname of the machine to the name provided by DHCP. B. Kills any previous version of the dhcpcd program that may be running. C. Passes the machine name to DHCP as part of the DHCP request. D. Only tries to get a new ip address if the current one is older than a certain number of hours. E. None of the above 32.A -H Forces dhcpcd to set hostname of the host to the hostname option supplied by DHCP server. By default dhcpcd will NOT set hostname of the host to the hostname option received from DHCP server. -------------------------------------------------------------------------------- 33. What command will turn off the ftpd service in all runlevels? Choose the best answer: A. chkconfig ftpd off B. rm /etc/rc.d/init.d/*ftpd* C. chkconfig --levels 12345 ftpd off D. service ftpd stop E. service ftpd stop -persistant 33.A，题太老了，估计是用wu-ftpd的，应该是xinetd或inetd的服务 如果是vsftpd或proftpd ,选C，不选B) rm /etc/rc.d/init.d/*ftpd*，B 做得太绝！ -------------------------------------------------------------------------------- 34. Your IP address is 10.0.0.2 and your subnet mask is 255.255.255.0. You have one ethernet card. You want to set your default gateway to be 10.0.0.1. Which of the following is the correct syntax to accomplish this? Choose the best answer: A. route add default 10.0.0.1 eth0 B. route add default gw 10.0.0.1 dev eth0 C. route add default gw 10.0.0.2 eth0 255.255.255.0 D. route add default gw 10.0.0.2 /dev/eth0 255.255.255.0 E. route add default gw 10.0.0.2 255.255.255.0 34.C -------------------------------------------------------------------------------- 35. Where are kernel modules stored assuming you are using kernel version 2.4.16-9? Choose the best answer: A. /lib/redhat/modules/2.4.16-9 B. /lib C. /lib/modules/2.4.16-9 D. /lib/modules E. /usr/lib/modules/ 35.C -------------------------------------------------------------------------------- 36. How do you install an RPM? Choose the best answer: A. rpm -evh packagename.rpm B. rpm -ivh packagename.rpm C. rpm -q packagename.rpm D. rpm -qa *.rpm E. rpm -ql *.rpm 36. B -------------------------------------------------------------------------------- 37. What does the following cron entry do? 10 5 * * * /bin/foo Choose the best answer: A. runs /bin/foo every 10 minutes 5 days a week B. runs /bin/foo at 10:05 AM every day C. runs /bin/foo on the 10th of May every year D. runs /bin/foo at 5:10 AM every day E. none of the above 37.D "minute" "hour" "day of month" "month" "day of week" field allowed values ----- -------------- minute 0-59 hour 0-23 day of month 1-31 month 1-12 (or names, see below) day of week 0-7 (0 or 7 is Sun, or use names) -------------------------------------------------------------------------------- 38. What command do you use to edit the default grace period for quotas? Choose the best answer: A. quotaconfig -g B. editquota -g C. quotaconfig -t D. edquota -t E. quotaeditor --grace 38.D -------------------------------------------------------------------------------- 39. You install Linux and reboot your machine and you see only L instead of the expected LILO. What is wrong? Choose the best answer: A. Lilo did not load at all. B. The first stage boot loader loaded but not the second stage. C. The descriptor table is corrupt. D. The second stage boot loader loaded at an incorrect address E. Nothing is wrong. 39.B -------------------------------------------------------------------------------- 40. What command can you enter to find out which rpm contains the /etc/foo file? Choose the best answer: A. rpm -qa |grep foo B. rpm -ql /etc/foo C. rpm -qlf /etc/foo D. rpm -q -f /etc/foo E. man foo 40.D rpm -qf /etc/foo -l list -f file -q query -------------------------------------------------------------------------------- 41. You have just added a new NFS share to the appropriate file. What must you do to activate the share? Choose the best answer: A. reboot B. exportfs -a C. ndc restart D. server nfs start E. mount -A 41.B 好像和上面一题重复了！ -------------------------------------------------------------------------------- 42. You want to compile a new kernel. You have just run "make xconfig". What should you do next? Choose the best answer: A. make bzImage B. make dep C. make clean D. make mrproper E. make xconfig 42.B 参看第27题 -------------------------------------------------------------------------------- 43. What directory contains the DNS zone files? Choose the best answer: A. /etc/bind/ B. /etc/named/ C. /etc/bind.d D. /var/named E. /var/bind.d 43.D -------------------------------------------------------------------------------- 44. What file contains the list of terminals that root is allowed to log into? Choose the best answer: A. /etc/rooterm.conf B. /etc/terminals C. /etc/secure D. /etc/tty.conf E. /etc/securetty 44.E PAM 控制的，参看/etc/pam.d/login -------------------------------------------------------------------------------- 45. You have Linux installed on a machine and you use LILO as your boot loader. How do you boot into single user mode? Choose all correct answers: A. Wait for the machine to boot up then log in as root. Use the init 2 command. B. At the LILO prompt use the linux single command. C. At the LILO prompt use the linux 1 command. D. At the LILO prompt use the linux command. E. Linux only supports multi-user mode. 45.BC 相当于kernel /boot/vmlinuz-* ro root=LABEL=/ 1 kernel /boot/vmlinuz-* ro root=LABEL=/ singale -------------------------------------------------------------------------------- 46. You have created a /home/projectx directory with the owner of projectx and a group of projectx. How can you set its permissions so that all files created in this directory are owned by the projectx group? Choose the best answer: A. chown projectx.projextx /home/projectx B. chgrp projectx /home/projectx C. chmod 755 /home/projectx D. chmod g-s /home/projectx E. chmod g+s /home/projectx 46.E dir setgid 作用是在目录下任何人建的文件，文件的所属组都是目录的所属组。 dir setstky 作用是在目录里，只有root ,目录的拥有者，文件的拥有者才能删除文件。 -------------------------------------------------------------------------------- 47. How can you create a file of all your ISA plug and play device settings? Choose the best answer: A. pnpdump > isapnp.conf B. pnpdump -isa > isapnp.conf C. isadump > isapnp.conf D. cat /proc/isa E. isaadmin --dump >isapnp.conf 47.A 我现在没有扔掉的ISA的卡就剩下一个512K显存的杂牌显卡和一个SB16的声卡！ -------------------------------------------------------------------------------- 48. What is the correct syntax to mount an MS DOS formatted floppy disk (do not assume that there is an entry in /etc/fstab)? Choose the best answer: A. mount /dev/floppy /mnt/fd0 B. mount -t iso9660 /dev/fd0 /mnt/floppy C. mount -t vfat /dev/fd0 /mnt/floppy D. mount -t msdos /dev/floppy /mnt/floppy E. mdir 48.D floppy可能用FAT12的文件系统！ -------------------------------------------------------------------------------- 49. How can a user set up their own crontab entry? Choose the best answer: A. vi ~/.crontab B. cp /etc/crontab . C. crontab -v D. crontab -e E. cron -edit 49.D -------------------------------------------------------------------------------- 50. What is the correct syntax to mount an MS DOS formatted floppy disk (do not assume that there is an entry in /etc/fstab)? Choose the best answer: A. mount /dev/floppy /mnt/fd0 B. mount -t iso9660 /dev/fd0 /mnt/floppy C. mount -t vfat /dev/fd0 /mnt/floppy D. mount -t msdos /dev/floppy /mnt/floppy E. mdir 50.D |
