请说明IPSec VPN技术的优势和不足之处。
请说明IPSec VPN技术的优势和不足之处。
相关考题:
阅读以下说明,回答问题1至问题4。[说明]某企业在公司总部和分部之间采用两台Windows Server 2003服务器部署企业IPSec VPN,将总部和分部的两个子网通过Internet互联,如图4-1所示。隧道技术是VPN的基本技术,隧道是由隧道协议形成的,常见隧道协议有IPSec,PPTP 和L2TP,其中 (1) 和 (2) 属于第二层隧道协议, (3) 属于第三层隧道协议。(1)
阅读以下关于网络安全的技术说明,根据要求回答问题1~问题5。【说明】某企业采用Windows Server2003操作系统部署企业虚拟专用网(VPN),将企业的两个异地网络通过公共Internet安全的互联起来。微软Windows Server 2003操作系统中对IPSec具备完善的支持,图1-16示出了基于Windows Server 2003系统部署IPSec VPN的网络结构图。使用VPN技术,是为了保证内部数据通过Internet安全传输。VPN技术主要采用哪些技术来保证数据安全?
VPN是虚拟专用网的简称,主要类型可分为网络层的IPSec VPN和应用层的(17)VPN两种,其中IPSec VPN主要是为了解决(18)的互联。A.PPTPB.SSLC.SocksD.CA
IPv6站点通过IPv4网络通信需要使用隧道技术,常用的3种自动隧道技术是(67)。A.VPN隧道、PPTP隧道和IPsec隧道B.6to4隧道、6over4隧道和ISATAP隧道C.VPN隧道、PPP隧道和ISATAP隧道D.IPsec隧道、6over4隧道和PPTP隧道
实现VPN的关键技术主要有隧道技术、加/解密技术、(1)和身份认证技术。如果需要在传输层实现VPN,可选的协议是(2)。空白(2)处应选择()A、L2TPB、PPTPC、TLSD、IPSec
IPv6站点通过IPv4网络通信需要使用隧道技术,常用的3种自动隧道技术是()A、VPN隧道、PPTP隧道和IPsec隧道B、6to4隧道、6over4隧道和ISATAP隧道C、VPN隧道、PPP隧道和ISATAP隧道D、IPsec隧道、6over4隧道和PPTP隧道
下面哪些是H3C SecPath系列VPN产品的功能特点?()A、支持和RSA公司动态口令卡的集成,保证口令安全B、支持IPSec VPN的NAT穿越,可以灵活组网C、支持DVPN(动态VPN)技术,降低配置难度D、VPN mananger实现VPN业务集中管理
防火墙IPSEC VPN特性支持哪些支持()A、IPSEC VPN热备功能B、支持IPSEC VPN隧道化功能C、支持IKEV2和基于域名的协商功能D、支持手机、PAD上自带的IPSEC VPN软件进行连接
关于FreeS/WAN软件说法正确的包括()。A、FreeS/WAN是基于PPTP技术的VPN实现。B、FreeS/WAN是基于IPsec技术的VPN实现。C、它的主要配置文件是ipsec.conf。D、可以直接使用现有的Linux内核进行配置。
You are an experienced network administrator in an international corporation. During your working hours, you are asked to deploy the Cisco SSL VPN AIM module in a Cisco 1800 Series Router. The beneficial reason for that deployment is to:()A、improve performance up to 300% for both IPsec and SSL VPN applicationsB、improve performance for both IPsec and SSL VPN applications with IPsec encryption taking place in hardwareC、improve performance up to 300% for both IPsec and SSL VPN applications with SSL encryption taking place in hardwareD、improve performance up to 200% for both IPsec and SSL VPN applications with encryption taking place in hardwareE、improve performance exclusively for SSL VPN applications
You are considering deploying the Cisco SSL VPN AIM module in a Cisco 1800 Series Router.Which benefit should you expect?()A、to improve performance exclusively for SSL VPN applicationsB、to improve performance up to 300% for both IPsec and SSL VPN applicationsC、to improve performance for both IPsec and SSL VPN applications with IPsec encryption taking place in hardwareD、to improve performance up to 200% for both IPsec and SSL VPN applications with encryption taking place in hardwareE、to improve performance up to 300% for both IPsec and SSL VPN applications with SSL encryption taking place in hardware
多选题关于FreeS/WAN软件说法正确的包括()。AFreeS/WAN是基于PPTP技术的VPN实现。BFreeS/WAN是基于IPsec技术的VPN实现。C它的主要配置文件是ipsec.conf。D可以直接使用现有的Linux内核进行配置。
单选题You are considering deploying the Cisco SSL VPN AIM module in a Cisco 1800 Series Router.Which benefit should you expect?()Ato improve performance exclusively for SSL VPN applicationsBto improve performance up to 300% for both IPsec and SSL VPN applicationsCto improve performance for both IPsec and SSL VPN applications with IPsec encryption taking place in hardwareDto improve performance up to 200% for both IPsec and SSL VPN applications with encryption taking place in hardwareEto improve performance up to 300% for both IPsec and SSL VPN applications with SSL encryption taking place in hardware