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【单选题】
下列关于CD-R光盘的描述中,错误的是A.
只能写入一次,可以反复读出的一次性写入光盘
B.
可多次擦除型光盘
C.
以用来存储大量用户数据的,一次性写入的光盘
D.
CD-RCompact Disc Recordable 的缩写
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举一反三
【单选题】On AIX systems， where DNS resolution takes precedence over NIS， a particular process needs to resolve names using /etc/hosts first. Which of the following processes is the best way to accomplish this...
A.
Set the NSORDER environmental variable of the environment which invokes the process to：NSORDER="local，nis，bind"
B.
Set the NSORDER environmental variable of the environment which invokes the process to： NSORDER="hosts=auth，nis，bind"
C.
Edit /etc/netsvc.conf to add a line similar to the following： process /full/path/of/process {hosts=local，nis，dns}
D.
Unset NSORDER environment variable of the environment which invokes the process
【单选题】He takes a part-time job every summer vacation, but most of the money he earns ________ playing computer games in the netbar.
A.
spend
B.
spends
C.
is spent
D.
are spent
【单选题】下列金属材料的焊接方法中，( )的特点是对材料和焊接位置适应性强，适于焊接碳钢、耐热钢、不锈钢等，适用于锅炉制造、安装、修理中各种位置的焊接。
A.
手工电弧焊
B.
埋弧焊
C.
电渣焊
D.
摩擦焊
【多选题】Which of the following are supported in Cisco Global Site Selector？ （）
A.
Full DNS functionality as a replacement of a DNS
B.
Responds to a DNS query with A-record
C.
Forwards queries to a name server
D.
Multiple A-records
E.
DHCP functionality for the local hosts
【单选题】Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?（）
A.
Add the following line to /etc/netsvc.conf: hosts = nis,bind,local
B.
edit /etc/netsvc.conf to add the following: process /full/path/of/process /{ hosts = local,nis,dns}
C.
In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change
D.
Change the NSORDER environment variable
【简答题】The full name of DNS is .
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