What are two characteristics of a switch that is configured as a VTP client？（） ["if a switch that is configured to operate in client mode cannot access a VTP server，then the switch reverts to transparent mode.","The local vlan configuration is updated only when an update that has a higher configuration revision number is received.","Vtp advertisements are not forwarded to neighboring switches that are configured in vtp transparent mode.","When switches in vtp client mode are rebooted，they send a vtp advertisement request to the vtp servers.","Vtp client is the default vtp mode","On switches that are configured to operate in client mode ，vlans can be created，deleted，or renamed locally"]
对细水雾灭火系统控制阀组验收时，要求开式系统分区控制阀组能采用（）方式可靠动作，闭式系统分区控制阀组能够采用（）方式可靠动作。 ["手动和自动，手动","手动，自动","自动，手动","手动，手动和自动"]
Refer to the exhibt.Host A has tested connectivity to a remote network.What is the default gateway for host A?（） ["172.16.182.1","192.168.1.1","10.16.176.1","192.168.1.6"]
数字签名在以下哪些场合使用（） ["提供数据源的唯一证据","证明PKI证书的真实性和完整性","使用一个被信任的时间源来提供一个安全的时间戳","通过使用一个用户的私钥和它产生的签名对该用户进行认证"]
大体积混凝土的浇注采用 （） 、 （） 和 （） 三种方法。
教育评价有哪些特点。
