VPN（Vitual Private Network）属于IEEE802.11i。（）

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• You are designing a strategy to allow users to gain VPN access to the internal network. What should you do?（）

  A . Allow all inbound VPN traffic to pass through the internal firewall and the perimeter firewall. B . Allow all inbound VPN traffic to pass through the perimeter firewall only.   C . Allow all VPN traffic from the source IP address of 131.107.1.14 to pass through the internal firewall. D . Allow all VPN traffic from the source IP address of 191.168.1.0/24 to pass through the perimeter firewall.

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• You are designing a strategy to allow users to gain VPN access to the internal network.  What should you do？（）

  A .  Allow all inbound VPN traffic to pass through the internal firewall and the perimeter firewall. B .  Allow all inbound VPN traffic to pass through the perimeter firewall only. C .  Allow all VPN traffic from the source IP address of 131.107.1.14 to pass through the internal firewall. D .  Allow all VPN traffic from the source IP address of 191.168.1.0/24 to pass through the perimeter firewall.

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• You need to design the network to support the company’s VPN requirements for mobile users who connect to the network in Seattle. Which two actions should you perform？（）

  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

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• Your network contains a server that runs Windows Server 2008. The server has the Network Policy Server （NPS） service role installed. You need to allow only members of a global group named Group1 VPN access to the network. What should you do？（）

  A . Add Group1 to the RAS and IAS Servers Group B . Add Group1 to the Network Configuration Operators group C . Create a new network policy and define a group-based connection for Group1. Set the access permission of the policy to Access granted. Set the processing order of the policy to 1 D . Create a new network policy and define a group-based condition for Group1. Set the access permission of the policy to Access Granted. Set the processing of the policy to 3.

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• Your network contains a server that runs Windows Server 2008 R2. The server has the Network Policy and Access Services server role installed. You need to allow only members of a global group named Group1 VPN access to the network. What should you do? （）

  A . Add Group1 to the RAS and IAS Servers group. B . Add Group1 to the Network Configuration Operators group. C . Create a new network policy and define a group-based condition for Group1. Set the access permission of the policy to Access granted. Set the processing order of the policy to 1. D . Create a new network policy and define a group-based condition for Group1. Set the access permission of the policy to Access granted. Set the processing order of the policy to 3.

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• Which of the following should be done FIRST when setting up a new p5-520 to be managed by a new HMC via a private network？（）

  A . Change passwords in ASMI B . Add the managed system to the HMC C . Connect the p5-520 to a power source D . Connect the HMC and the p5-520 server’s HMC1 port to the same network

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• Select the three best answers which best describe Private Network-to Network Interface （PNNI） in an ATM network.（）

  A . It is the Routing protocol used between ATM switches B . PNNI uses the same Dijsktra algorithm for SPF calculation C . PNNI and OSPF use the same Database to make cohesive decision for packet forwarding D . PNNI measures line capacities and delays in addition to simple cost metric

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• Which three of these are major components of an MPLS VPN network？ （）

  A . LDP notification B . L2TPv3 session C . VPN route target communities D . Multiprotocol BGP peering of PE routers E . MPLS forwarding

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• You work as a network administrator in your company. Communication inside the company is ensured by network environments, such as GET VPN, Dynamic Multipoint VPN and Ethernet. Which PIN architecture is applicable in those environments?（）

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

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• VPN即Virtual Private Network虚拟私用网，是利用Internet来传输（）而形成的逻辑网络。

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• You have a computer that runs Windows 7. Your network contains a VPN server that runs Windows Server2008. You need to authenticate to the VPN server by using a smart card.  Which authentication settingshould you choose?（）

  A . CHAP B . EAP C . MS-CHAP v2 D . P.AP

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• Your network contains a Network Policy Server (NPS) named Server1.NPS1 provides authentication for all of the VPN servers on the network.You need to track the usage information of all VPN connections.Which RADIUS attribute should you log？（）

  A . Acct-Session-Id B . Acct-Status-Type C . Class D . NAS-Identifier

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• our network contains a server that runs window server 2008. The serve has the network policy server(NPS) service role installed. You need to allow only members of a global group named group1 VPN access to the network. What should you do?（）

  A . Add group1 to the RAS and IAS servers group. B . Add group1 to the network configuration operators group.. C . Create a new network policy and define a group-based connection for group1. Set the access permission of the policy to access granted. Set the processing order of the policy to 1. D . Create a new network policy and define a group-based condition for group1. Set the access permission of the policy to acces granted. Set the processing of the policy to 3.

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• 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 peer

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• For the p5 590 and p5 595 servers, the HMC must be directly attached. Why is the use of a private service network between HMC and the p5 590 required?（）

  A . The Bulk Power Controllers are dependent upon the HMC to provide them with DHCP addresses. B . A firewall is required to isolate the private network from any of the open networks to which the HMC is attached. C . Network communications can be implemented through an open network. No private network is required but it is recommended. D . All p5 590 and 595 servers are shipped with one service processor card. A private network is required to manage DHCP addresses.

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• Cisco Configuration Assistant supports a variety of virtual private networks. Which three types of VPN can be configured by using CCA？（）

  A .  DMVPN B .  MPLS VPN C .  IPv6 VPN D .  Cisco IOS SSL VPN E .  site-to-site VPN F .  Cisco Easy VPN

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• IPSec VPN is a widely-acknowledged solution for enterprise network. What are the four steps tosetup an IPsec VPN？（）https://assets.asklib.com/images/image2/2018072709341330622.jpg

  A . A B . B C . C D . D

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• Your portable computer has a Virtual Private Network (VPN) connection configured. You need to connect to the VPN. What should you do?（） https://assets.asklib.com/images/image2/2018073115210636836.jpg

  A . A B . B C . C D . D

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• Which VPN management feature would be considered to ensure that the network had the leastdisruption of service when making topology changes？（）

  A .  dynamic reconfiguration B .  path MTU discovery C .  auto setup D .  remote management

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• Your portable computer has a Virtual Private Network （VPN） connection configured. You need to connect to the VPN.  What should you do？（）

  A . Use the Mobile PC program. B . Use the Ease of Access program. C . Use the System and Maintenance program. D . Use the Network and Sharing Center program.

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• Company.com has decided to implement VPN for all network traffic. How might this might affect HACMP？（）  

  A .  Only the heartbeat IP network can exist in a VPN style network. B .  HACMp must have separate VPN’s for all ’non-service’ and ’service’ adapter networks. C .  If a VPN is used for IP traffic the heartbeating must be done over disk connections. D .  HACMP can exist in a VPN network environment，but special considerations must be addressed.

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• What will an Easy VPN hardware client require in order to insert its protected network address when it connects using network extension mode？（）

  A .  RADIUS or LDAP B .  an internal router running EIGRP C .  Reverse Route Injection and OSPF or RIPv2 D .  the VPN appliance to be deployed in line with the firewall

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• 部署互联网协议安全虚拟专用网（Internet Protocol Security Virtual Private Network，IPsecVPN）时，以下说法正确的是（）

  A.配置MD5安全算法可以提供可靠地数据加密 B.配置AES算法可以提供可靠的数据完整性验证 C.部署IPsecVPN网络时，需要考虑IP地址的规划，尽量在分支节点使用可以聚合的IP地址段，来减少IPsec安全关联（Security Authentication，SA）资源的消耗 D.报文验证头协议（Authentication Header，AH）可以提供数据机密性

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• Your company has a single Active Directory domain. The company network is protected by a firewall.Remote users connect to your network through a VPN server by using PPTP.When the users try to connect to the VPN server, they receive the following error message: °Error 721:The remote computer is not responding.You need to ensure that users can establish a VPN connection.What should you do？（）

  A. Open port 1423 on the firewall. B. Open port 1723 on the firewall. C. Open port 3389 on the firewall. D. Open port 6000 on the firewall.

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