搜题请搜索小程序“爱下问搜题”
问题 单项选择题

干式变压器的安装，根据项目特征其工程计量单位为（）。

A．kg

B．台

C．组

D．个

答案

参考答案：B

解析：

干式变压器的安装，根据项目特征，以“台”为计量单位，按设计图示数量计算。

单项选择题 B1型题

患者每逢经前、经期头痛剧烈，痛如锥刺，经色紫黯有块，伴小腹疼痛拒按，胸闷不舒，舌黯，脉弦涩。其证候是（）

A.肝火证

B.血瘀证

C.痰湿中阻证

D.血虚证

E.肾虚证
查看答案
单项选择题

(71) is used to ensure the confidentiality, integrity and authenticity of the two end points in the private network. (72) , an application-layer protocol, authenticates each peer in an IPSec transaction.IKE negotiates security policy, determining which algorithm may be used to set up the tunnel. It alsohandles the exchange of session keys used for that one transaction.
Networks that use (73) to secure data traffic can automatically authenticate devices by using (74) , which verify the identities of the two users who are sending information back and forth. IPSeccan be ideal way to secure data in large networks that require secure connections among many devices.
Users deploying IPSec can (75) their network infrastructure without affecting the applications on individual computer. The protocol suite is available as a software-only upgrade to the networkinfrastructure. This alows security to be implemented without costly changes to each computer. Mostimportant, IPSec allows interoperability among different network devices, PCs and other computingsystems.

A．authenticity
B．IPSec
C．confidentialily
D．integrity
查看答案