Certifiable Q&A for August 11, 2000

Welcome to Certifiable, your exam prep headquarters. Here you'll find questions about some of the tricky areas that are fair game for the certification exams. Following the questions, you'll find the correct answers and explanatory text. We change the questions biweekly.

Test Questions (August 11, 2000)
Test Answers (August 11, 2000)

Questions (August 11, 2000)

The following questions, which are from The Internet Information Server 4.0 Rapid Review Study Guide by Kurt Hudson (available at the Windows IT Library— http://www.windowsitlibrary.com ), cover topics similar to those you can find on Exam 70-087: Implementing and Supporting Microsoft Internet Information Server 4.0.

Question 1
You have mapped your FTP Home Directory to \\server5\ftpdata. Recently, the domain in which Server5 resides changed all its user names and passwords. Now, your FTP clients say that your FTP site is unavailable. You are able to Ping the IP address and host name Server5. Based on this information, what is the problem? (Choose the best answer.)

  1. The NIC in Server5 has failed
  2. You did not enable automatic password synchronization
  3. The account name and password you assigned to the Home Directory connect are incorrect
  4. The Netlogon service on Server5 has failed

Question 2
Which of the following let your Web server support multiple Web sites on one card and IP address? (Choose the best answer.)

  1. HTTP custom headers
  2. HTTP host headers
  3. HTTP directory security
  4. HTTP 1.0

Question 3
You see the following IP Address and Domain Name Restrictions: "By default, all computers will be Allowed Access, except those listed below:, with the subnet mask of"
Which computers will be denied access? (Choose all that apply.)


Answers (August 11, 2000)

Answer to Question 1
The correct answer is C, the user name and password you assigned to the Home Directory are incorrect. Because the Home Directory is actually a share on Server5 (and users recently changed their user names and passwords), you must type a valid user name and password for your remote connection. Server5’s NIC is probably OK because you can Ping it. The netlogon service is not important in this case. Automatic password synchronization is for the Internet guest account to stay in sync with the User Manager Internet guest account; it has no effect on the accounts used to connect to remote servers.

Answer to Question 2
The correct answer is B, HTTP host headers. HTTP host headers let you map multiple names to the same IP address. Custom headers let you add information to the normal HTTP information that is exchanged during client server communications. HTTP 1.0 didn’t provide host header support and Directory Security lets you exercise control over those who have access to your Web site.

Answer to Question 3
A and C, and Using this configuration, the IIS server does not allow access to any IP address starting at and ending at To calculate the restricted range of IP addresses, you could convert the IP addresses into binary to see which bits are getting masked off.

10111111.00000010.01111111.00000000 ( 
11111111.11111111.11111111.00000000 ( 

You can see that the first three octets are masked and the last one is open. Therefore, any address with the same first three octets (191.2.127) will be granted access to the Web server. No matter what is placed in the last octet, the digits become zero after the AND operation.

10111111.00000010.01111111.00000000 ( Start 
10111111.00000010.01111111.11111111 ( End 
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