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Creation QR-Code in VS .NET Lesson Review

Lesson Review
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The following questions are intended to reinforce key information presented in this lesson. If you are unable to answer a question, review the lesson materials and try the question again. You can find answers to the questions in the Questions and Answers section at the end of this chapter. 1. You are responsible for implementing DHCP according to your company s official network plan. On one subnet, the network design specifications require that the DHCP server be assigned an address of 207.46.47.150 and that this server lease addresses to the local network segment through the scope of 207.46.48.0. However, the network designer has neglected to provide you with an appropriate subnet mask to assign the server and scope. Which subnet mask can you assign to the server and scope that will place the DHCP server and clients on the same logical subnet and reserve the fewest number of bits possible for the host ID
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Bar Code Recognizer In Visual Studio .NET
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Quick Response Code Encoder In C#
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QR-Code Maker In .NET Framework
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Quick Response Code Generator In VB.NET
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Drawing QR-Code In .NET
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Monitoring and Troubleshooting DHCP
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2. Your company needs to provide leases for 280 users, but it has enough addresses for only 254. Of the 280 employees, 50 connect to the office network only biweekly through a VPN connection. What can you do to provide enough addresses for all users
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3. When do you need to increase conflict detection attempts on the DHCP server
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Lesson Summary
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When troubleshooting DHCP, first determine whether the error is on the client, in the physical network, or on the server. Use the connection status dialog box or the output from the Ipconfig /all com mand to determine whether a client address has been properly obtained from a DHCP server. Verify that each client lies within broadcast range of a configured DHCP server, DHCP relay agent, or RFC 1542 compatible router. To verify a DHCP server configuration, verify that the server has been properly installed, authorized, and bound. To verify a scope configuration, verify that the scope is activated, and check the set tings for the address range, subnet mask, exclusions, reservations, and superscopes.
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Case Scenario Exercise
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You are a network administrator for Fourth Coffee, a company based in Rutland, Ver mont. Your company recently purchased 60 new client computers and plans to add them to the 245 already deployed on the network. This network consists of a single segment that includes a single DHCP server. Before the new computers are deployed, your DHCP server issues address leases through a single scope of 10.0.0.0/24. You are responsible for deploying the 60 new computers and resolving any problems that arise after the changes. Answer the following questions by recommending the best course of action in response to each problem presented.
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Monitoring and Troubleshooting DHCP
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1. With the least administrative effort, how can you best provide enough addresses for the 290 clients that require dynamic addressing and still allow for connectivity among all networked computers (Choose only one answer.) a. Create a new superscope and then add the 10.0.0.0/24 and 10.0.1.0/24 scopes to the new superscope. b. Reconfigure the scope as 10.0.0.0/23 and set conflict detection attempts to 3. Restart all computers by using the Shutdown /i command. c. Add a second DHCP server on the network segment to distribute address leases through the 10.0.1.0/24 scope. d. Add a second DHCP server on the network segment to distribute address leases through the 10.0.0.0/24 scope. Restart all computers by using the Shutdown /i command. 2. Your boss wants to reserve 20 computers in a special subnet within the 192.168.0.0/24 range and place these computers on the same network segment as the other computers. To achieve this task, you deploy a new DHCP server to issue leases in the 192.168.0.0/24 address range and create 20 lease reservations for the new set of computers. However, after the new DHCP server is deployed, the scope does not issue any new leases even though it is activated. Which of the fol lowing would most likely cause this scenario a. You have not reconciled the scopes on the new DHCP server. b. You have not verified the database consistency. c. You have not excluded the range of addresses issued by the original DHCP computer. d. You have not assigned the new DHCP server an address within the 192.168.0.0/24 range. 3. After you enable the new scopes to issue addresses, some users begin to complain that they can no longer access network resources. Checking the DHCP server audit logs, you find several NACK messages. What steps should you take to resolve this problem (Choose all that apply.) a. Create a superscope on each DHCP server consisting of the active scopes deployed on the network segment. b. Create client reservations for all appropriate clients on the original DHCP server. c. On the original DHCP server, exclude the full range of addresses within the special 192.168.0.0/24 subnet. d. On the new DHCP server, exclude the full range of addresses issued by the original DHCP server.
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