请参见图示。以下哪个 IP地址可以分配给主机A的默认网关?()
A. 10.184.0.1
B. 10.192.0.0
C. 10.199.255.254
D. 10.200.255.254
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用触诊和X摄片对100名妇女做乳腺检查,触诊有40名阳性,X摄片有70名阴性,两种均阳性者为10名,宜选用下面哪种方法进行假设检验()
A. 四格表χ检验
B. Z检验
C. 配对t检验
D. 配对χ检验
请参见图示。以下哪项可作为RTA上新子网的有效的网络地址?()
A. 10.16.10.16/28
B. 10.16.10.24/28
C. 10.16.10.30/28
D. 10.16.10.56/28
E. 10.16.10.72/28
It’s a configuration that experts are calling a "firewall sandwich," with the second firewall providinga second level of load balancing after traffic down. What is meant by the term "firewall sandwich"?()
A. single layer of firewalling
B. multiple layers of firewalling
C. firewall connections in either an active or standby state
D. an architecture in which all traffic between firewalls goes through application-specific servers
下列各项中,应记入“坏账准备”账户贷方核算的有()。
A. 按规定提取的坏账准备
B. 确认坏账损失
C. 收回过去确认并转销的坏账
D. 冲销多提的坏账准备
E. 到期无法收回的应收票据