how to generate barcode in asp.net c# 7: Case Scenario Answers in C#.NET

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7: Case Scenario Answers
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Case Scenario 1: Connecting a Branch Office to the Internet
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7: Case Scenario Answers
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Case Scenario 1: Connecting a Branch Office to the Internet
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1. The ISP might be able to provide you with a block of more than 50 IP addresses. However, the additional cost probably wouldn t be worth it because you do not need to accept incoming connections. Although you always need at least one public IP address, additional IP addresses are required only if you plan to host a server that will be accessible from the Internet. 2. You should configure a NAT server on the boundary between the public Internet and your intranet. The NAT server can translate the private IP addresses to its public IP address, allowing complete connectivity for outgoing connections. 3. Typically, for an office with only 50 computers you would choose a router that has NAT capabilities built in. Alternatively, you could choose to deploy NAT using a Windows Server 2008 computer. That would be advisable only if you planned to connect the server to the Internet anyway.
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Case Scenario 2: Planning Remote Access
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1. The sales staff will need dial-up access because they might be in hotel rooms that have only an analog modem connection. For better performance, you should also recommend supporting a VPN server. 2. The VPN server will need to be connected to both the Internet and your private intranet. You already have several servers that are configured this way, so you could configure an existing server to accept VPN connections and route the communications to the intranet. To address the concerns about maintaining a separate user name and password, you could authenticate users to the Active Directory domain controller (for PPTP connections) or using client certificates (for L2TP connections). 3. You could choose to connect a bank of 50 modems to a dial-up server that is connected to your private intranet, you could purchase a separate modem bank and have it authenticate to a RADIUS server, or you could establish a service agreement with a dial-up ISP and have the ISP authenticate against your RADIUS server. 4. Probably, because most wireless networks connect to the Internet. The firewall might block VPN connections, however. In that case, SSTP connections (available for only Windows Vista and Windows Server 2008 clients) might be compatible with the firewall.
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8: Lesson Review Answers
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Lesson 1
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8: Lesson Review Answers
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Lesson 1
1. Correct Answer: B A. Incorrect: The computer running Windows Server 2008 will need to make outbound connections on TCP port 290; however, Windows Firewall allows outbound connections by default. Therefore, you do not need to create a firewall rule. B. Correct: By default, Windows Server 2008 will block inbound connections that do not have a firewall rule. There is no firewall rule for TCP port 39 by default. Therefore, you will need to add one. C. Incorrect: The computer running Windows Server 2008 needs to make outbound connections on TCP port 290, but it does not need to allow inbound connections on that port. D. Incorrect: Windows Vista allows any outbound connection by default. Therefore, you do not need to create a firewall rule to allow outbound connections. 2. Correct Answers: A and C A. Correct: Selecting Allow Only Secure Connections requires IPsec, which you must use to require domain authentication at the firewall level. B. Incorrect: Specifying a profile for the firewall rule simply means the rule won t apply if the server isn t connected to the domain network. You can t use profiles to require client connection authentication. C. Correct: After requiring IPsec on the General tab, you can use this tab to limit connections only to users who are members of specific groups. D. Incorrect: Configuring scope can be a very powerful tool for limiting connections from users. Although it might be advisable to also limit scope to connections from client computers on your internal network, that doesn t necessarily require users to be a member of your domain. Additionally, you would need to configure the Remote IP Address settings, not the Local IP Address settings. 3. Correct Answer: D A. Incorrect: Both Windows XP (configured using the Windows Firewall node) and Windows Vista (configured using either the Windows Firewall node or the Windows Firewall With Advanced Security node) support filtering UDP traffic. B. Incorrect: Both the Windows Firewall and the Windows Firewall With Advanced Security nodes support creating a rule for an executable. C. Incorrect: Both the Windows Firewall and the Windows Firewall With Advanced Security nodes support configuring scope for a rule.
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