名词解释题VPN
名词解释题
VPN
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What is the recommended practice when considering VPN termination and firewall placement?() A. have the firewall and VPN appliance deployed in parallelB. place the VPN in line with the firewall, with the VPN terminating inside the firewallC. place the public side of the VPN termination device in the DMZ behind a firewallD. place the VPN in line with the firewall, with the VPN terminating outside the firewall
MPLS VPN骨干网中的P路由器在转发VPN数据包时（）。A、P路由器有VPN路由，它按照VPN路由器表进行转发B、P路由器没有VPN路由，它根据VPN数据包的目的IP地址查找IGP路由表进行转发C、P路由器没有VPN路由，它根据上层label进行转发D、P路由器没有VPN路由，不同的VPN有不同的label，所以它根据VPN label转发
There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）A、TE label， IGP label， VPN labelB、IGP label， TE label， VPN labelC、TE label， VPN label， IGP labelD、VPN label， IGP label， TE labelE、IGP label， VPN label， TE label
In JUNOS software， which type of VPN supports IPX and Appletalk？（）A、Martini based VPN’sB、2547bis based VPN’sC、Sham link based VPN’sD、Virtual Router based VPN’s
以下对GRE VPN和BGP/MPLS VPN描述正确的有（）。A、都可以分隔地址空间B、都是点对点的隧道C、GRE VPN能够分隔地址空间，BGP/MPLS VPN不能分隔地址空间D、GRE VPN不能分隔地址空间，BGP/MPLS VPN能分隔地址空间
用户现在希望两个VPN的业务主机都能够访问internet，为了做到集中访问和集中控制，统一在核心节点A侧再增加一个VRF专门进行internet的访问。 已知VPN1的VRF的RT配置如下： ip vpn-instance vpn-1； vpn-target A export-extcommunity； vpn-target A import-extcommunity 已知VPN2的VRF的RT配置如下： ip vpn-instance vpn-2； vpn-target B export-extcommunity； vpn-target B import-extcommunity请写出super VPN的应该发布什么路由给其他两个VPN？
Which of the following topology situations would be a qood candidate for configuring DMVPN（）A、Extranet VPNB、Managed overlay VPN topologyC、Hub-and-spoke VPN topologyD、Central-site VPN topologyE、Full mesh VPN topologyF、Remote-access VPN topology
What is the recommended practice when considering VPN termination and firewall placement？（）A、 have the firewall and VPN appliance deployed in parallelB、 place the VPN in line with the firewall， with the VPN terminating inside the firewallC、 place the public side of the VPN termination device in the DMZ behind a firewallD、 place the VPN in line with the firewall， with the VPN terminating outside the firewall
Regarding a route-based versus policy-based IPsec VPN， which statement is true？（）A、A route-based VPN generally uses less resources than a policy-based VPN.B、A route-based VPN cannot have a deny action in a policy； a policy-based VPN can have a deny action.C、A route-based VPN is better suited for dialup or remote access compared to a policy-based VPN.D、A route-based VPN uses a policy referencing the IPsec VPN； a policy-based VPN policy does not use apolicy referencing the IPsec VPN
单选题Regarding a route-based versus policy-based IPsec VPN， which statement is true？（）AA route-based VPN generally uses less resources than a policy-based VPN.BA route-based VPN cannot have a deny action in a policy； a policy-based VPN can have a deny action.CA route-based VPN is better suited for dialup or remote access compared to a policy-based VPN.DA route-based VPN uses a policy referencing the IPsec VPN； a policy-based VPN policy does not use apolicy referencing the IPsec VPN
单选题There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）ATE label， IGP label， VPN labelBIGP label， TE label， VPN labelCTE label， VPN label， IGP labelDVPN label， IGP label， TE labelEIGP label， VPN label， TE label
单选题Which of the following topology situations would be a qood candidate for configuring DMVPN？（）AExtranet VPNBManaged overlay VPN topologyCHub-and-spoke VPN topologyDCentral-site VPN topologyEFull mesh VPN topologyFRemote-access VPN topology
单选题What is the benefit of using the Cisco Easy VPN Server feature along with the Cisco software VPN client for implementing remote-access VPNs？ （）A The Cisco Easy VPN Server feature and the Cisco software VPN client use the same GUI configuration tool to simplify remote-access VPN configurations.B The Cisco Easy VPN Server feature allows the Cisco software VPN client to receive its security policies from the central site VPN device. This minimizes the configuration requirements at the remote location for large remote access VPN deployments.C The Cisco Easy VPN Server feature and the Cisco software VPN client use hardware-based encryption to reduce the CPU overhead of the central site VPN router.D The Cisco Easy VPN Server feature and the Cisco software VPN client enable scalable remote-access VPNs deployment by using a thick client/thin server model where the central site VPN router can handle thousands of incoming VPN connections.
单选题In JUNOS software， which type of VPN supports IPX and Appletalk？（）AMartini based VPN’sB2547bis based VPN’sCSham link based VPN’sDVirtual Router based VPN’s
单选题What is the recommended practice when considering VPN termination and firewall placement？（）A have the firewall and VPN appliance deployed in parallelB place the VPN in line with the firewall， with the VPN terminating inside the firewallC place the public side of the VPN termination device in the DMZ behind a firewallD place the VPN in line with the firewall， with the VPN terminating outside the firewall
单选题You are designing a strategy for implementing Internet Authentication Service (IAS) to meet the business and technical requirements. What should you do?（）AInstall IAS on VPN1, VPN2, and VPN3.BInstall IAS on VPN1, Configure VPN2 and VPN3 as RADIUS clients.CInstall IAS on VPN1, Configure VPN1, VPN2, and VPN3 as RADIUS clients.DInstall IAS on DC1, Configure VPN2 and VPN3 as RADIUS clients. Create all remote access policies on VPN1.EInstall IAS on DC2, Configure VPN2 and VPN3 as RADIUS clients. Configure remote access logging on VPN1.