较小的直径能用千分尺进行测量,如果大到不便测量的时候,就只能凭借精度较低的尺子进行低精度测量了。
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MSOFTX3000配置两个LAN Switch,为有效预防网络风暴、网络拥塞、网络局部负荷问题,需要对IP网络进行合理的管理和规划,以下描述错误的是()。
A. 设备割接后,不允许维护人员用网线随意接入LAN Switch
B. 必须进行VLAN划分,把主机业务网段、Mc接口网段及其它网段分离
C. 原则上不允许维护网段接入设备侧LAN Switch
D. 维护网段可以随意接入设备侧LAN Switch
You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory domain named testking.com. A firewall at Testking.com separates the internal network and a perimeter network. The perimeter networkcontains an Exchange Server 2010 Edge Transport server. You have received instructions from the CIO to install an internal Exchange Server 2010 with the followingcriteria: 1. The support of EdgeSync synchronizaiton and encrypted delivery of outbound e-mail messages to theEdge Transport server. 2. The minimization of the attack surface of the internal network. What should you do?()
A. The best option is to use port 3309 and 25 from the internal network to the perimeter network.
B. The best option is to use port 3309 and 636 from the internal network to the perimeter network.
C. The best option is to use port 50636 and 25 from the internal network to the perimeter network.
D. The best option is to use port 50636 and 135 from the internal network to the perimeter network.