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Objective 4.1: Configure Routing and Remote Access User Authentication
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Objective 4.1 Questions 1.
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Your IAS server provides RADIUS authentication to RAS on a number of network access servers that support dial-up clients. A wireless access point is added to your network and is set up as a RADIUS client. You check that Protected EAP (PEAP) support is enabled in your remote access policy and that PEAP-EAP-MS-CHAPv2 is used to authenticate wireless clients. Users cannot access your network from their 802.11 wireless client computers. What is the most likely cause of the problem A. Smart card user authentication is mandated for 802.11 wireless client computers. B. RADIUS cannot be used to provide remote access attributes to network access servers that service a wireless access point. C. The Ignore User Dial In Properties attribute has not been configured on the IAS server. D. EAP-TLS is the appropriate authentication mechanism for wireless connections, not PEAP-EAP-MS-CHAPv2.
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You have configured IAS on your network to accept multiple authentication methods. You have also configured your network access servers to attempt to negotiate a con nection by using the most secure protocol first. When a remote access client attempts to connect to your network, RAS on your servers running Windows Server 2003 therefore tries to negotiate a connection using EAP first. In this situation, which two entities attempt to negotiate the EAP authentication mechanism A. The RAS server and the IAS server
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B. The IAS server and the remote access client
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C. The RAS server and the remote access client D. The RADIUS client and the remote access client
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Your Windows Server 2003 Active Directory domain provides access to home workers, who establish dial-up connections to the Routing And Remote Access service on a server running Microsoft Windows Server 2003, Enterprise Edition. Your employees use a variety of client operating systems and telephone networks, and CHAP is used for authentication. Management is concerned about security and requires that you make access to the network more difficult for unauthorized dial-up users. You do not have a budget to buy additional equipment, and management requires that no changes be made to the client environment. How can you meet these requirements A. Enable Caller ID.
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B. Audit failed account logon events.
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Implementing, Managing, and Maintaining Routing And Remote Access (4.0)
C. Implement Basic Firewall on your Routing And Remote Access service server. D. Enable Callback.
You administer a large Windows Server 2003 Active Directory domain. All servers in the domain are either running Windows Server 2003 or Microsoft Windows 2000 Server. All internal client PCs are running Windows XP Professional. Your company employs a large number of home workers who log on to your domain using dial-up connections. RAS runs on a number of servers, and remote access policies are central ized and applied by an IAS server configured as a RADIUS server. You want to ensure that remote users are authenticated using the Kerberos v5 authentication protocol. You want to ensure that such downlevel protocols as NTLM are not used. How do you implement this requirement A. On the IAS server, configure the Authentication-Type remote access policy condi tion to specify a connection restriction that is based on the authentication protocol. B. Create an OU and move the remote client computer accounts into that OU. Create a Group Policy Object (GPO) and link it to that OU. Edit the GPO. In the Kerberos policy container, enable Enforce Logon Restrictions. C. Create an OU and move the remote client computer accounts into that OU. Create a GPO and link it to that OU. Edit the GPO. Expand Computer Configuration \Windows Settings\Security Settings\Local Policies\Security Options. Configure Network Security: LAN Manager Authentication Level to Send NTLMv2 Response Only\Refuse LM & NTLM. D. Specify an IPSec policy that requires encryption and uses the triple DES (3DES) encryption algorithm.
You use the Internet Authentication Service snap-in on a server running Windows Server 2003 to create a new remote access policy. The Authentication Methods page of the New Access Policy Wizard allows you to select only MS-CHAP, MS-CHAP version 2, and various methods of EAP authentication. You want to create a remote access policy that meets the following requirements:
Dial-up users can authenticate with a user name and password. Certificate-based authentication methods (such as smart card authentication) can be used. All passwords are encrypted using a nonreversible encryption algorithm. All passwords are stored in encrypted form. Remote access users can use XP Professional, Windows 2000 Professional, Microsoft Windows NT 4 Workstation, or Microsoft Windows 98 hosts.
Objective 4.1: Configure Routing and Remote Access User Authentication 16-11
Remote users cannot use password authentication to access the domain from hosts with non-Microsoft operating systems. Users can change their passwords after these passwords expire.
You select the Extensible Authentication Protocol (EAP) check box. In the Type dropdown box, you select Protected EAP (PEAP). You select the Microsoft Encrypted Authentication Version 2 check box. You ensure that the Microsoft Encrypted Authen tication check box is cleared. You complete the wizard and do not edit the new policy s authentication properties. Which of the following will result from applying the policy (Choose all that apply.) A. Dial-up users can authenticate with a user name and password. B. Certificate-based authentication methods (such as smart card authentication) can be used. C. All passwords are encrypted using a nonreversible encryption algorithm. D. All passwords are stored in encrypted form. E. Remote access users can use Windows XP Professional, Windows 2000 Profes sional, Windows NT 4 Workstation, or Windows 98 hosts. F. Remote users cannot use password authentication to access the domain from hosts with non-Microsoft operating systems. G. Users are able to change their passwords after the passwords expire.
ServerA is a stand-alone server running Windows Server 2003, configured as a VPN server. Its internal interface is on a 10.10.1.0/24 private network, and it has the static IP address of 10.10.1.9. You install Windows Server 2003, Enterprise Edition as a fresh install on a new computer that you intend to use as a file server. You perform a default install on the new computer and name it ServerF. You configure its IP address statically as 10.10.1.12, with a 255.255.255.0 subnet mask. VPN users report that they cannot gain access to files that you placed on ServerF. You check that file and folder permissions are set up correctly. You ping ServerF successfully by IP address from ServerA. You cannot, however, ping ServerA from ServerF. What is the likely cause of the problem A. A faulty network connection exists between ServerF and the network hub. B. Packet filters are configured on ServerA. C. ServerF has an incorrect subnet mask. D. ServerF is part of a domain, whereas ServerA is a stand-alone server.
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Implementing, Managing, and Maintaining Routing And Remote Access (4.0)
Litware, Inc. makes extensive use of home workers who access the corporate Windows Server 2003 Active Directory domain through dial-up connections. Several of the orga nization s administrators regularly work from home and perform remote monitoring and administration. These administrative tasks require a large amount of network bandwidth. You want administrators to be able to use multiple phone lines. You want the settings on the Routing And Remote Access service server to determine the ability of ordinary users to use multiple phone lines. (By default, the server settings do not permit Multilink.) You want to configure multiple phone line connections to adapt to bandwidth condi tions. When the phone line capacity of a multiple connection falls below 50 percent, you want to reduce the number of phone lines used for that connection. Currently, a single remote access policy with default settings allows all users to connect to the network by using the Routing And Remote Access service. What steps do you take to achieve these goals (Choose all that apply.) A. Edit the current policy s dial-up profile settings. B. Create a new remote access policy. C. Edit the new policy s dial-in profile settings. D. Enable Multilink for the current policy. E. Enable Multilink for the new policy. F. Select the Require BAP For Dynamic Multilink Requests check box. G. Specify additional connection attributes to be returned to the remote access server.
Fabricam, Inc. has asked you to implement a dial-up remote access policy for its employees that is based on time and day restrictions. The company has the following requirements:
Administrators can access the network 24 hours a day, 7 days a week. Managers cannot access the network after 6:00 P.M. and before 8:00 A.M. during the week. They can, however, access it at any time during the weekend. All other employees can access the network only between 8:00 A.M. and 6:00 P.M. on weekdays.
You create five custom remote access policies based on security groups and time restrictions:
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