更多"[单选题]The meaningof（ ）is that access"的相关试题:
[单选题]System and application access control is to prevent（ ）access to systems and applications.Access to information and application system functions shall be restricted in accordance with the access control policy.
A.physical
B.special
C.authorized
D.unauthorized
[单选题]（ ）is a paradigm for enabling network access to a scalable and elastic pool of shareable physical or virtual resources with self-service provisioning and administration on-demand.
A. VPN
B.Big dat
A.
B.Clou
C.computing
D.Cyber-physical System
[单选题]Today it is common to access the Internet from a variety of ( ) devices like smartphones and tablets.
A.mobile
B.move
C.moving
D.shift
[单选题]The meaning of ( ) is that access to protected information used be restricted to people who are authorized to access the information.
A.digital signature
B.encryption technology
C.access control
D.authentication technology
[单选题]( ) is the name given to a "secret" access route into the system.
A.Password
B.Firewall
C.Cryptography
D.Back door
[判断题]电动机负序电流保护,当I2>1.2I1时闭锁负序电流保护(I2负序电流,I1正序电流)。()
A.正确
B.错误
[单选题]I didn't attend the conference,but I wish I__there.
A.had been
B.be
C.were
D.would be
[单选题]路由器命令“Router（config）# access-list l deny 192.168.1.1”的含义是（61）。
A.不允许源地址为192.168.1.1的分组通过
B.允许源地址为192.168,1.1的分组通过
C.不允许目标地址为192.168.1.1的分组通过
D.允许目标地址为192.168.1.1的分组通过
[单选题]以下以太网交换机access 端口和链路的描述正确的是( )。
A.access 端口可以同时属于多个VLAN
B.access 链路可以允许多个携带不同VLAN ID的数据包通过
A.access 链路只能承载带VLAN I
B.的数据帧
C.当access 端口接收到一个不带VLAN ID的数据帧时，加上端口的PVI
D.值作为数据帧的VLAN ID
[单选题]若a，b∈R，i为虚数单位，且(a+i)i=b+i，则( )．
A.a=1，b=1
B.a=-1，b=1
C.a=-1，b=-1
D.a=1，b=-1
[单选题]I soon perceived that I could not change his mind.
A.discovered
B.noticed
C.saw
D.sensed
[单选题]I rarely wear a raincoat because I spend most of my time in a car.
A.normally
B.seldom
C.continuously
D.usually
[单选题]电动机负序电流保护,当I2<1.2I1时()(I2负序电流,I1正序电流)。
A..发出信号
B..闭锁保护
C..自动解除闭锁
[单选题]I was awfully tired when I got home from work, but a half hour nap ______ me.
A.revive
D.
B.release
D.
A.relieve
B.
C.recovere
D.
