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多选题IPSec VPN is a widely-acknowledged solution for enterprise network. Which three IPsec VPNstatements are true?()AIKE keepalives are unidirectional and sent every ten secondsBIPsec uses the Encapsulating Security Protocol (ESP) or the Authentication Head

题目
多选题
IPSec VPN is a widely-acknowledged solution for enterprise network. Which three IPsec VPNstatements are true?()
A

IKE keepalives are unidirectional and sent every ten seconds

B

IPsec uses the Encapsulating Security Protocol (ESP) or the Authentication Header (AH)protocol for exchanging keys

C

To establish IKE SA, main mode utilizes six packets while aggressive mode utilizes only threepackets

D

IKE uses the Diffie-Hellman algorithm to generate symmetrical keys to be used by IPsec peers

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相似问题和答案

第1题:

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.PPTP

B.SSL

C.Socks

D.CA


正确答案:B

第2题:

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

A.Cisco IOS IPsec/SSL VPN client

B.Cisco VPN Clinet

C.ISDN terminal adapter

D.Cisco Adaptive Security Appliance


参考答案:D

第3题:

IPSec VPN采用何种加密算法进行加密?


正确答案:采用对称式(Symmetric)和非对称式(Asymmetric)的加密算法来执行加密作业。
采用对称式(Symmetric)和非对称式(Asymmetric)的加密算法来执行加密作业。

第4题:

提供加密传输VPN 包括IPSec VPN、SSL VPN、DVPN 1.0、DVPN 2.0。


正确答案:错误

第5题:

IPSec VPN is a widely-acknowledged solution for enterprise network. Which three IPsec VPNstatements are true?()

  • A、IKE keepalives are unidirectional and sent every ten seconds
  • B、IPsec uses the Encapsulating Security Protocol (ESP) or the Authentication Header (AH)protocol for exchanging keys
  • C、To establish IKE SA, main mode utilizes six packets while aggressive mode utilizes only threepackets
  • D、IKE uses the Diffie-Hellman algorithm to generate symmetrical keys to be used by IPsec peers

正确答案:A,C,D

第6题:

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 applications

B. improve performance for both IPsec and SSL VPN applications with IPsec encryption taking place in hardware

C. improve performance up to 300% for both IPsec and SSL VPN applications with SSL encryption taking place in hardware

D. improve performance up to 200% for both IPsec and SSL VPN applications with encryption taking place in hardware

E. improve performance exclusively for SSL VPN applications


参考答案:D

第7题:

When designing the routing for an Enterprise Campus network it is important to keep while of thefollowing filtering aspects in mind?()

  • A、 Filtering is only useful when combined with route summarization
  • B、 It is best to filter (allow) the default and summary prefixes only in the Enterprise Edge to remotesites or site-to-site IPsec VPN networks
  • C、 IGPs (for example EIGRP or OSPF) are superior to route filtering in avoiding in inappropriatetransit traffic through remote nodes or inaccurate or inappropriate routing updates
  • D、 The primary limitation of router filtering is that it can only be applied on outbound updates

正确答案:D

第8题:

在进行远程登陆时,最好使用哪种方式(IPSec VPN和SSL VPN)?


正确答案:IPSec VPN和SSL VPN这两种VPN架构从整体的安全等级来看两种都能够提供安全的远程登入存取联机。但综观上述SSL VPN在其易于使用性及安全层级都比IPSec VPN高。我们都知道由于Internet的迅速扩展针对远程安全登入的需求也日益提升。
IPSec VPN和SSL VPN这两种VPN架构,从整体的安全等级来看,两种都能够提供安全的远程登入存取联机。但综观上述,SSL VPN在其易于使用性及安全层级,都比IPSec VPN高。我们都知道,由于Internet的迅速扩展,针对远程安全登入的需求也日益提升。

第9题:

二层MPLS VPN可分为()

  • A、VLL
  • B、VPLS
  • C、VPDN
  • D、IPsec VPN

正确答案:A,B

第10题:

通过哪个工具可以简化IPSec VPN的配置()

  • A、VPN Manager
  • B、VMS
  • C、SMS
  • D、XLOG

正确答案:A

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