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Installing, Configuring, and Troubleshooting Network Address Translation (NAT)

Windows 2000 Server has the capability to offer Network Address Translation (NAT). You'd better know the details of installing, configuring, and troubleshooting NAT to pass this exam. This quiz tests your knowledge of this Windows 2000 Server exam objective.

1. You are a consultant to a small insurance agency with a network is a simple Windows 2000 domain. It has one Windows 2000 Server acting as domain controller, one Windows 2000 member server, and eight Windows 2000 Professional workstations. Currently, this office has one dial-up account to an ISP. Richard, the agency owner, has asked you to create a method so that all of the workers on his network can send and receive email via this connection. How can you do this?

  1. Install NAT.

  2. Install ICS.

  3. Install RADIUS.

  4. Install IAS.

Answer: 73

2. You are a consultant to a small insurance agency with a network is a simple Windows 2000 domain. It has one Windows 2000 Server acting as domain controller, one Windows 2000 member server, and eight Windows 2000 Professional workstations. Currently, this office has one dial-up account to an ISP. Richard, the agency owner, has become frustrated with the speed and availability of sharing the dial-up account. He has decided to install a cable modem for the network, and asks you to configure the modem so that all users can access the Internet through this connection. What is the best way to do this?

  1. Install NAT.

  2. Install ICS.

  3. Install RADIUS.

  4. Install IAS.

Answer: 74

3. Robert is the network administrator for a small office. His network has one Windows 2000 Server acting as domain controller, one Windows 2000 member server, and 12 Windows 2000 Professional workstations. Currently, the office has only one dial-up account to a local ISP for Internet access. Robert has decided to enable ICS on the member server where the dial-up account resides. After installing ICS, he discovers that the local IP address of the member server has changeWhy?

  1. The IP address of the member server has changed to reflect the shared connection to the ISP.

  2. The member server is using DHCP. After rebooting the server, it asked for a new IP address from the DHCP server.

  3. The member server's IP address is now assigned from the ISP.

  4. The member server's IP address has changed to 192.168.0.1 because of the installation of ICS.

Answer: 75

4. Robert is the network administrator for a small office. His network has one Windows 2000 Server acting as domain controller, one Windows 2000 member server, and 12 Windows 2000 Professional workstations. Currently, the office has only one dial-up account to a local ISP for Internet access. Robert has decided to enable ICS on the member server where the dial-up account resides. After installing ICS, he discovers that the local IP address of the member server has changeHe concludes that the local IP address has changed to 192.168.0.1, but how will the other hosts in the network connect to this machine when the network addresses are not the same?

  1. This server will use AutoDHCP to issue addresses on the 192.168.0.0 network. The hosts need to be on this network to use the ICS connection.

  2. This server will use NAT to translate the local network addresses into the remote network.

  3. This server will need its IP address changed back to match the network address unless the network address is also using the 192.168.0.0 network.

  4. This server will use IAS for computer authentication. A named pipe will be created between the two hosts on port 80, 20, 21, and 25.

Answer: 76

5. You are a consultant to a small advertising agency. Currently, it has one Windows 2000 Server acting as domain controller, one Windows 2000 member server, and five Windows 2000 Professional workstations. The agency hired you to configure ICS for an application on one of the Windows 2000 member servers that needs to dial into a client's site to retrieve information. However, after you install ICS and test the connection, the application fails. You determine that the application is using port 4788, which is not one of the preassigned ports ICS uses. How can you add the port to the ICS connection?

  1. Unfortunately, you cannot. ICS only allows predefined port numbers 21, 220, 143, 25, 110, 23, and 80.

  2. You have to create a PIF (program information file) for the application to tell ICS to open the port each time the application is launched.

  3. You can add a custom application through ICS Settings on the Application tab.

  4. You can add a custom application through ICS Settings on the Advanced tab.

Answer: 77

6. Marco is a Windows 2000 domain administrator whose network consists of one Windows 2000 Server acting as a domain controller, two Windows 2000 member servers, and 21 Windows 2000 Professional workstations. On one of his Windows 2000 member servers, he has added NAT to allow the 21 Windows 2000 Professional workstations to access the Internet through a cable modem. However, Marco is having trouble configuring the NAT connection. The Windows 2000 member server he is working with has the following hardware: one 1Ghz processor, 256MB of RAM, an 80GB hard drive, a full-duplex 100MB NIC card, and a 32-bit video carWhat is the problem?

  1. Marco cannot use NAT with cable modems.

  2. Marco does not have local administrative rights to enable the connection.

  3. Marco needs an additional network card in the server.

  4. Marco needs more than 256MB of RAM for caching.

Answer: 78

7. Harriet is a Windows 2000 network administrator, and her network has three Windows 2000 Servers acting as domain controllers, two Windows 2000 member servers, and 765 Windows 2000 Professional workstations. Her company's Chief Financial Officer, Marge, has mandated that no additional purchases or expenses be approved for the next few months. Everyone needs to conserve resources and make do with what they currently have. The CFO did, however, approve the addition of a T1 line for Internet connectivity, but no additional firewall software or routers. Harriet decides to use NAT through one of her Windows 2000 member servers. She configures the DHCP properties to reflect the new connection. Marge wants to know why Harriet decided to use NAT, and whether it cost the company any additional monies. Of the following, which are the true attributes of NAT? (Choose all that apply.)

  1. NAT allows for IP address conservation.

  2. NAT provides outbound security because local traffic doesn't flow onto the Internet.

  3. NAT provides inbound security because the internal network uses private IP addresses.

  4. NAT provides its own internal DNS server.

Answers: 79

8. You are the administrator of a Windows 2000 domain. Your network has three Windows 2000 Servers acting as domain controllers, one Windows 2000 member server, and 78 Windows 2000 Professional workstations. You have configured NAT to enable Internet access for your company. You have enabled NAT logging with the maximum amount of information, but quickly discover that it is cumbersome to wade through all of the logged information. What would be ideal for a network of this size and would require minimum time to review?

  1. Log Errors Only

  2. Log Errors and Warnings

  3. Disable Event Logging

  4. Click the Defaults button to reset all logging options

Answer: 80

9. Bob is the Windows 2000 network administrator for his company. His network has two Windows 2000 Servers acting as domain controllers, three Windows 2000 member servers, and 132 Windows 2000 Professional workstations. He has configured his network to use DHCP with the network id of 192.168.0.0. Bob is now configuring NAT for his network users, and is contemplating the Address Assignment tab. Should Bob check the Automatically assign IP addresses by using DHCP option for this NAT connection?

  1. No. DHCP is already assigning users IP addresses.

  2. No. DHCP must be stopped before the option can be started.

  3. Yes. This option allows NAT to rely on DHCP for clients IP addresses.

  4. Yes. This option must be checked if Bob is using Windows 2000's DHCP Services.

Answer: 81

10. Esther is the Windows 2000 domain administrator for a small network. Her network has one Windows 2000 Server acting as a domain controller, one Windows 2000 member server, and 12 Windows 2000 Professional workstations. She has installed NAT on one of her Windows 2000 member servers, but is confused about which NIC to configure for the service. Which network card should be configured to allow access to the Internet, and why?

  1. The public interface should not be configured because it uses the public IP address of 192.168.0.1.

  2. The public interface should be configured because it is the NIC attached to the Internet.

  3. The private interface should be configured because it uses the private IP address of 10.10.10.x where x is the host ID.

  4. The private interface should not be configured because it matches the internal network settings the clients connect to.

Answer: 82

11. You are the network administrator for Rogerson Accountants. Your network consists of four Windows 2000 Servers acting as domain controllers, three Windows 2000 member servers, 178 Windows 2000 Professional workstations, and 85 Windows NT 4.0 workstations on laptops. Your company currently connects to the Internet through a modem on each computer to a dial-in account with a local ISP. Harry, the owner of the company, feels the cost of all of the dial-up accounts is too high. The company has tasked you with creating a method to create a common access point to the Internet for all of the workstations and servers.

Required result: The number of dial-in accounts must be reduced to save on finances.

Optional results: The access method must be centralized for all users, and the access method must be simple for the users to connect.

Your proposed solution: You eliminate half of the dial-up accounts in the company. On the workstations that have remaining modems and dial-up accounts, you enable ICS. Each pair of users shares a connection to the Internet. Which of the following is true?

  1. Your solution met the required result, but met none of the optional results.

  2. Your solution met the required result, but met only one of the optional results.

  3. Your solution did not meet the required result, but met both of the optional results.

  4. Your solution did not meet any of the results.

Answer: 83

12. You are the network administrator for Rogerson Accountants. Your network consists of four Windows 2000 Servers acting as domain controllers, three Windows 2000 member servers, 178 Windows 2000 Professional workstations, and 85 Windows NT 4.0 workstations on laptops. Your company currently connects to the Internet through a modem on each computer to a dial-in account with a local ISP. Harry, the owner of the company, feels the cost of all of the dial-up accounts is too high. The company has tasked you with creating a method to create a common access point to the Internet for all of the workstations and servers.

Required result: The number of dial-in accounts must be reduced to save on finances.

Optional results: The access method must be centralized for all users, and the access method must be simple for the users to connect.

Your proposed solution: You eliminate all of the dial-in accounts. You then add a fractional T1 line to your office, and install NAT. All of the IP options are set through a DHCP scope. Which of the following is true?

  1. Your solution met the required result, and met all of the optional results.

  2. Your solution met the required result, but met only one of the optional results.

  3. Your solution did not meet the required result, but met both of the optional results.

  4. Your solution did not meet any of the results.

Answer: 84

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