单选题 You created a snapshot of the /data2 filesystem as follows: # fssnap -F ufs -o bs=/data2/snap /data2 But, the system responds with the following error: snapshot error: Invalid backing file path What is the problem? ()
The /data filesystem does not exist.
This message indicates that the /data2/snap directory does not exist.
The name of the Backing Store is incorrect, it should be /dev/fssnap/0
This message indicates that you cannot have the backing store file on the same filesystem as the filesystem being snapped.
单选题 While selecting files during an interactive restore with ufsrestore, you are interrupted by a junior administrator before you can complete the file selection process and start the restore. After answering the administrator’s question, you realize that you have forgotten which files you had already selected for the restore. How can you determine which files are already marked for extraction and restore? ()
You can use the ls subcommand of ufsrestore.
You can use the add subcommand of ufsrestore.
You can use the select subcommand of ufsrestore.
You can view the selected files as they are marked with a plus sign (+) in the list that is permanently displayed in the upper half of the interactive ufsrestore screen view.
单选题 You need to change the hostname and IP address of a server. Without manually editing all of the required files, which command can be run to restore a system configuration to an unconfigured state, ready to be reconfigured again restore a system configuration to an unconfigured state, ready to be reconfigured again? ()
/usr/sbin/sys-unconfig
/usr/sbin/unconfig
/sbin/ipconfig
/usr/sbin/set_parms initial
多选题 A corrupted file system is now repaired and back in use. Some, but not all of the files within the file systems have been deleted. The only backup of this file system is a month-old tar archive. This archive will need to be restored as root. Which two statements correctly describe the effects of the restore operation?()
Files found in the file system that are also on tape will NOT be overwritten.
The missing files, present on the backup tape, are restored to the file system with the data as it was when the backup was taken.
The access times are preserved by tar and will reflect the time when a user last accessed the data.
The modification time on the files restored by tar will be preserved and will reflect the time the file was last modified before the backup, NOT the time of the restore operation.
单选题 A file system has been corrupted and needs to be restored. Which file contains the ufsdump levels for this file system? ()
/etc/backup
/etc/ufsdump
/etc/dumpdates
/etc/fsdumpdates
多选题 Youe just configured the network interface on You?e just configured the network interface on systemA and the following information is displayed pertaining to systemA’s network interface: You have been instructed to change the name of this system to systemB. Which four files need to be modified to change the name of this system from systemA to systemB? ()
/etc/nodename
/etc/hostname.rtls0
/etc/hostname
/etc/inet/hosts
/etc/domainname
/etc/inet/ipnodes
/etc/inetd.conf
在任何情况下,伸缩调节器处轨距的要求为()。
人类有两套影响学习的记忆系统:陈述性记忆和程序记忆。陈述性记忆是对事实或者词汇之类基本认识的记忆。而程序记忆,就是一个人“不劳而获”的记忆。程序记忆是人养成习惯和习得技巧的方式,比如骑自行车。在很多时候,这种学习是无意识的。人们用早期发育的程序记忆系统来学习复杂的东西,比如语法规则。帮助人们学习词汇的陈述性记忆系统,则需要更多时问完成发育。儿童拥有程序记忆系统,并且不受陈述性记忆系统的干扰。由此可以推出()。
宋末元初四大家
公平目标的实现可以通过()实现。
荟萃分析
人员安全疏散分析的性能判定标准为:可用疏散时间(A.SET)必须()必需疏散时间(RSET)。
预防HIV感染的主要措施应当为( )
简述我国混合型债券市场的发展状况。
造成水中某些污染物在生物体内含量大大高于水体中的浓度的生物放大作用是指()
输血的适应证中,不包括()