SSL（Secure Sockets Layet）协议是1994年底由（）首先引入

A .  If a port is connected to a foreign device make sure to disable CDP， DTP， RPR， PAgP， UDLP， and any other unnecessary protocols， and enable UplinkFast/BPDU guard on it. B .  Enable root guard feature to prevent a directly or indirectly connected STP-capable device from affecting the location of the root bridge. C .  Configure VTP domains appropriately or turn off VTP altogether to limit or prevent possible undesirable protocol interaction with regards to the network-wide VLAN configuration. D .  Set the native VLAN ID to match the port VLAN ID of any 802.1q trunk to prevent spoofing. E .  Disable all unused ports and place them in an unused VLAN to avoid unauthorized access.

A . 认证要求 B . 部署与应用 C . 购物过程风险责任归属 D . 技术应用

A . 数据链路层 B . 网络层 C . 传输层 D . 应用层

A . generic token card B . x.509 certificate C . preshared key D . Protected Access Credential

A . A、SSL记录协议 B . B、SSL传输协议 C . C、SSL控制协议 D . D、SSL消息协议

A . 80 B . 70 C . 60 D . 50

A . SET协议 B . SMTP协议 C . SEPP协议 D . STT协议

A . x.509 certificate B . generic token card C . pre shared key D . protected access credential

A . 握手协议 B . 会话维护协议 C . 告警协议 D . 密钥改变协议

A . x.509 certificate B . generic token card C . preshared key D . Protected Access Credential

A .  PEAP B .  EAP-FAST C .  AES encryption D .  Rivest Cipher 4 encryptio

A . access B . acess C . process D . accesse

A . EAP B . Chap C . Ms-Chap D . PPTP E . PAP F . SPAP

A . sure B . certain C . understanding D . knowledge

A . The — ssl level was not specified B . The server was not started with the – enable–ssl-plugin option C . — ssl is not a valid server option D . The mysqld binary was not compiled with SSL support E . The server's SSL certificate was invalid

A . x3655 B . x3950 M2 C . x3755 D . x3650 M3

A . 441 B . 443 C . 500 D . 520

A . Configure SNMP with only read-only community strings. B . Encrypt TFTP and syslog traffic in an IPSec tunnel. C . Implement RFC 3704 filtering at the perimeter router when allowing syslog access from devices on the outside of a firewall. D . Synchronize the NTP master clock with an Internet atomic clock. E . Use SNMP version 2. F . Use TFTP version 3 or above because these versions support a cryptographic authentication mechanism between peers.

是 否

是 否

A．automatically checks the immigration status of each citizen. B．fails to notice the internal changes of the prisoners. C．is used as an alleged reason to wipe out unwanted immigrants. D．aims at clearing the community of all the immigrants.

A．SET和SSL都需要CA系统的支持 B．SET需要CA系统的支持，但SSL不需要 C．SSL需要CA系统的支持，但SET不需要 D．SET和SSL都不需要CA系统的支持

正确 错误

A.The — ssl level was not specified B.The server was not started with the – enable–ssl-plugin option C.— ssl is not a valid server option D.The mysqld binary was not compiled with SSL support E.The server‘s SSL certificate was invalid