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【单选题】
下列文件中,属于声音文件的是( )A.
七里香.psd
B.
七里香.mpg
C.
七里香.wmv
D.
七里香.mp3
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反馈参考答案：
举一反三
【单选题】Which option is the benefit of implementing an intelligent DNS for a cloud computing solution?
A.
tty password
B.
enable secret password
C.
vty password
D.
aux password
E.
console password
F.
username password
【单选题】Which option is the default switch port port-security violation mode?
A.
shutdown
B.
protect
C.
shutdown vlan
D.
restrict
【多选题】Which option is the function of a condenser in a power plant?
A.
produce a vacuum at the turbine exhaust
B.
heat condensate by the exhaust
C.
condense steam into liquid
D.
deaerate condensate to pure water
【单选题】Which option is the solution to question a. in the problem shown in picture?
A.
10000
B.
6000
C.
8000
D.
12000
【单选题】Which option is the correct CIDR notation for 192.168.0.0 subnet 255.255.255.252 ?
A.
30
B.
31
C.
32
D.
33
【简答题】如何添加操作人员和设置操作人员权限
【单选题】Which option is the industry-standard protocol for EtherChannel ?
A.
PAgP
B.
LACP
C.
Cisco Discovery Protocol
D.
DTP
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