In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?（）

A . Use a password generator application to create a preshared key， and distribute it to all mobile users B . Use computer autoenrollment to create digital certificates that can be used to authenticate to a VPN server C . Acquire a digital certificate that can be used for SSL from a commercial CA for each computer that established a VPN connection D . Configure IPSec policies on all Routing and Remote Access servers to require the use of digital certificate

A .  Easy VPN B .  GRE tunneling C .  Virtual Tunnel Interfaces D .  Dynamic Multipoint VPN E .  Group Encrypted Transport VPN

A . It is used for PIM control traffic B . It is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routers C . Within the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sources D . There is a reduced multicast state in the MPLS core P routers E . When multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth

A . Default MDT groups are used for PIM control traffic， low-bandwidth sources， and flooding of sparse mode traffic. B . MDTs are built in customer networks C . Data MDT groups are used for high-bandwidth sources to reduce replication to uninterested PEs. D . MDTs are built in provider networks E . The number of MDTs depends on PIM modes of MDT groups.

A . Easy VPN B . GRE tunneling C . Virtual Tunnel Interfaces D . Dynamic Multipoint VPN E . Group Encrypted Transport VPN

A . Easy VPN B . GRE tunneling C . Virtual Tunnel Interfaces D . DynamicMultipoint VPN E . Group Encrypted Transport VPN

A . Campus B . Teleworker C . Branch D . Data center

A . to improve performance exclusively for SSL VPN applications B . to improve performance up to 300% for both IPsec and SSL VPN applications C . to improve performance for both IPsec and SSL VPN applications with IPsec encryption taking place in hardware D . to improve performance up to 200% for both IPsec and SSL VPN applications with encryption taking place in hardware E . to improve performance up to 300% for both IPsec and SSL VPN applications with SSL encryption taking place in hardware

A .  Easy VPN B .  GRE tunneling C .  Virtual Tunnel Interfaces D .  Dynamic Multipoint VPN E .  Group Encrypted Transport VPN

A . A Bill of Exchange is payable to Mary or bearer B . A Bill of Exchange is payable to bearer C . A Bill of Exchange is payable to Mary D . A Bill of Exchange is payable to Mary only E . A Bill of Exchange is payable to the order of Mary

A .  EIGRP can summarize per interface. B .  OSPF router databases remain independent. C .  When they are configured with stubs， EIGRP regularly floods the topology. D .  OSPF topology decisions are made independent of hierarchy or area.

A .  fewer devices to manage B .  moderate-to-high scalability C .  stateful inspection of decrypted VPN traffic D .  increased bandwidth with additional interfaces E .  decreased complexity as traffic is filtered from the firewall

A . fewer devices to manage B . moderate-to-high scalability C . stateful inspection of decrypted VPN traffic D . increased bandwidth with additional interfaces E . decreased complexity as traffic is filtered from the firewall

A . HMAC-MD5 B . RSA C . HMAC-SHA-1 D . DH1 E . DH2

A . The configuration to define Route-Distinguisher is Ip vrf bulle Rd 1：1 B . A route distinguisher can be imported and exported to and from a VRF C . Route-Distinguisher is an 8 byte BGP attribute value used in influencing BGP best path algorithm. D . Route-Distinguisher is an 8 byte value used in creating unique VPNv4 address.

A . Site Of Origin SOO. B . SHAM links with OSPF C . BGP cost community D . BGP feature allow-as in E . RPF Reverse Path forwarding. F . Access-list Control in Distance Vector protocol like RIP and EIGRP.

A . Site Of Origin SOO B . Route-Target C . Route-Distinguisher D . Domain Identifier BGP extended commumity

A . A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor link B . A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchanged C . A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor door D . A SHAM link is part of OSPF network of MPLS-VPN provider

passage（） A．Kindness and violence can change the world B．Kindness and violence can affect people's behavior C．Kindness and violence can reproduce themselves D．Kindness and violence can shape people's character

A．A.nworking lock B．B.nprotection lock C．C.nforced switching D．D.nmanual switching