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大家好,对aix系统我不太懂。没有机会配置。不知那位有该系统的配置心得手册。请各位大师协助。
AIX测试试题
1. During the first reboot after the AIX Version 4.3 operating system
installation process has completed, what is the first screen the
administrator will see?
A. Login prompt
B. Root shell prompt
C. Installation Manager
D. Configuration Assistant
2. The system administrator realizes that paging space, paging12, must first
be removed from hdisk12. Which of the following is the correct sequence
of events?
A. chps -an paging12, reboot, rmps paging12
B. swapoff paging12, rmps paging12
C. swapoff paging12, reboot, rmps paging12
D. chps -an paging12, swapoff paging12, rmps paging12
3 Two Web servers need to be configured on a single machine that has only
one network interface. Each Web server needs to have its own unique IP
address. How should an administrator accomplish this
A. Use the smitty alias command
B. Add it in /etc/defaults
C. Use the newaliases 192.127.10.10 command
D Use the ifconfig en0 alias 192.127.10.10 command
4. Which of the following files contains uid, home directory, and shell
information
A. /etc/passwd
B. /etc/security/user
C. /etc/security/environ
D. /etc/security/passwd
5.A system administrator is experiencing performance problems and runs
the vmstat command. The output of vmstat is shown in the following
exhibit.
procs memory page faults cpu
----- ----------- ------------------------ ------------ -----------r
b avm fre re pi po fr sr cy in sy cs us sy id wa
2 0 22534 1465 0 0 0 0 0 0 238 903 239 77 23 0 0
2 0 22534 1445 0 0 0 0 0 0 209 1142 205 72 28 0 0
2 0 22534 1426 0 0 0 0 0 0 189 1220 212 74 26 0 0
3 0 22534 1410 0 0 0 0 0 0 255 1704 268 70 30 0 0
2 1 22557 1365 0 0 0 0 0 0 383 977 216 72 28 0 0
What can be concluded from this output?
A. The machine is CPU bound.
B. The machine needs memory optimized.
C. The machine needs a FDDI card installed.
D. A user program is causing unnecessary paging.
6.In order to increase the size of a file system, the system administrator
must:
A. Unmount the file system.
B. Boot the system into single user mode.
C. Have enough free physical partitions within the volume group.
D. Back up the file system, change the size, and restore the file system.
7.Which of the following files contains the logical volume and filesystem
information that mksysb saves during a system backup.
A. /fs.size
B. /image.data
C. /bosinst.data
D. /install.data
8.After a power failure, the system attempts to reboot but hangs on 557.
This indicates file system corruption. Which of the following actions should
be taken to recover.
A. Restore /etc/filesystems from mksysb.
B. Execute chfs -a size=+1 against all filesystems in rootvg.
C. From a maintenance shell, run lppchk -v against all filesets installed.
D. From a maintenance shell, run fsck -y against all filesystems in rootvg.
9.While attempting to write a 200 MB file to the user data file system with 1
GB free space, the system responds with the message that it is out of
space. Which of the following could be causing this?
df output.
Filesystem 1024-blocks Free %Used Iused %Iused Mounted on
/dev/hd4 40960 3744 91% 2416 12% /
/dev/hd2 1003520 35280 97% 37596 13% /usr
/dev/hd9var 36864 24540 34% 1236 14% /var
/dev/hd3 167936 8108 96% 844 2% /tmp
/dev/hd1 40960 20232 51% 1364 14% /home
/dev/datalv 1224704 1023952 16% 6309 7% /user/data
/dev/datalv2 16384 5884 65% 1018 25% /data2
/dev/userlv2 12288 11608 6% 49 2% /user2
/dev/userlv 12288 5002 59% 643 7% /user
/dev/foolv 12288 121 99% 49 2% /foo
A. The /user/data filesystem is mounted read only.
B. The permissions on the /user filesystem is wrong.
C. The permissions on the /user/data file system is wrong.
D. /user is preventing you from reaching the /user/data file system.
10.What command can be run from the command line to permanently remove
tty5 from the system.
A. rmdev -l tty5
B. rmdev -dl tty5
C. mkdev -dl tty5
D. odmdelete -q "name=tty5" -o PdAt
11.Which of the following commands can be used to determine the serial port
settings.
A. lscfg -vl ttyXX
B. ls -l /dev/ttyXX
C. lsattr -El /ttyXX
D. lsdev -C |grep ttyXX
12.Which of the following commands can be used to verify the success of an
operating system upgrade.
A. oslevel
B. lslpp -h bos.obj
C. what_fileset -v
D. lsattr -Vl bos.rte
13.In order to increase the size of a file system, the system administrator
must:
A. Unmount the file system.
B. Boot the system into single user mode.
C. Have enough free physical partitions within the volume group.
D. Back up the file system, change the size, and restore the file system.
14.What is the correct sequence of commands to mirror a volume group.
1. extendvg
2. mirroring
3. syncvg
4. set quorum
5. mkfscopy
6. reorgvg
A. 1, 2, 3, 4
B. 1, 5, 3, 4
C. 1, 2, 4, 6
D. 6, 5, 4, 3
15.A system has one internal disk drive (hdisk0) and one external disk drive
(hdisk1).
hdisk0 is a 2.2 GB SCSI/2 Fastwide disk drive and contains a volume
group called rootvg.
hdisk1 is a 4.5 GB SSA drive and contains a volume group called
appsvg.
The external SSA drive has over 3.0 GB of free space.
The system administrator would like to make a mirrored copy of a 500 MB
logical volume that currently is on hdisk0. What would prohibit the system
administrator from establishing a mirrored copy between the internal and
external disk drives.
A. The disks are not the same physical size.
B. The disks are not within the same volume group.
C. AIX does not support mirroring logical volume mirroring.
D. The disks are not the same drive type (for example, SSA verses
SCSI/2).
16.A system administrator would like to list all paging spaces residing on the
server. What is the correct syntax of the command in order to accomplish
this.
A. lsps -a
B. lsps -s
C. lsps -l
D. lsps -all
17.After completing the installation of the Base Operating System on one of
the servers, the system administrator would like for all users who Telnet
into this machine to see a specific message each time they successfully
log in. Which file should be edited to provide this message.
A. /etc/motd
B. /etc/profile
C. /etc/environment
D. /etc/security/login.cfg
18.A system administrator runs the vmstat command. The output of vmstat is
shown in the following exhibit.
kthr memory page faults cpu
----- ----------- ------------------------ ------------ -----------
r b avm fre re pi po fr sr cy in sy cs us sy id wa
2 0 9200 11027 0 0 0 0 0 0 103 52 14 14 16 0 69
2 1 9200 11027 0 0 0 0 0 0 207 251 29 12 11 0 67
3 1 9200 11027 0 0 0 0 0 0 207 120 29 9 11 0 80
5 1 9200 11027 0 0 0 0 0 0 206 120 29 13 5 0 79
4 1 9200 11027 0 0 0 0 0 0 207 131 32 9 8 0 72
Based on this output, what is the average CPU idle time in minutes
A. 45.5
B. 75.3
C. 44.04
D. 73.4
19.A system administrator has just moved an Ethernet adapter to another
slot, removed the old definition and added the IP address and subnet
mask just as before. The netstat and ifconfig commands show the
interface just as before, but the system administrator still cannot
communicate with any other servers. Which of the following could cause
this problem.
A. The connecter type has changed to BNC.
B. The adapter speed has changed to 10 Mbps.
C. The adapter should be removed and reseated.
D. The drivers were not reloaded after moving the adapter.
20.A system administrator is able to log in to system A's console and other
systems can ping system A, but the system administrator is unable to
Telnet or rlogin to system A from any other system on the network. Which
of the following is the most likely cause of this problem.
A. The inetd is not running on system A.
B. The routed is not running on system A.
C. The routing table on system A is corrupted.
D. The domain name server is not functioning correctly.
21.User X on machine AAA is trying to rsh to machine BBB. The user is
prompted for a password, even though a /u/X/.rhosts file is configured on
machine BBB. The user discovers this is a permission problem with the
.rhosts file. Which of the following are the correct permissions of a .rhosts
file
A. 400
B. 440
C. 600
D. 660 |
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