ab -n1000 -c100 http://localhost/server-info in VS .NET

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ab -n1000 -c100 http://localhost/server-info
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ab will run Apache through its paces in a few seconds When it is done, the user will see something that is similar to the following:
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Server Software: Server Hostname: Server Port: Apache+SSL/1314 localhost 80
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Document Path: Document Length:
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/server-info 48436 bytes
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Concurrency Level: Time taken for tests: Complete requests: Failed requests: Total transferred: HTML transferred: Requests per second: Transfer rate:
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100 31410 seconds 1000 0 49806228 bytes 49584888 bytes 3184 158568 kb/s received
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Connection Times (ms) min Connect: Processing: Total: 0 591 591 avg 294 2672 2966 max 906 4797 5703
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9 Open server-status in your favorite Web browser again Run ab from the command line just as before While it is running, hit reload on your server-status page If you previously ran ab from within X Window, drop out of X and run the test again, saving it in a text file like so:
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ab -n1000 -c100 http://localhost/server-info > Xless_abtxt
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Go back into X and run the same test, saving it in a text file called Xtest_abtxt If a partner is available, check out his or her performance Choose http://partner s_ip_address/server-info with ab
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Questions
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1 Which apachectl option will deny all new requests and finish all pending requests before restarting 2 What is the default requests value for ab 3 What is the common configuration file for the Web server daemon
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Answers
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1 apachectl graceful 2 1 3 httpdconf
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Advanced Questions
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1 What does it mean if several requests fail 2 Outside of adding more memory, how can a Web server s performance be improved 3 What is the number of virtual hosts a Web server can handle
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PA R T
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Three
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Practice Questions and Answers
Practice Questions
1 Which files contain a majority of the configurations for Apache A apacheconf B httpdconf C httpconf D cour 2 Which of the following best defines scope for Apache A Scope is the area of effect for a given configuration B Scope relates to the number of users who can access a site C Scope is a program for monitoring Apache performance D Scope is a configuration file that targets specific content to specific IP ranges 3 Which of the following best defines an Apache module A A small chunk of data that is served to the Web via Apache B A type of Apache server used in clusters C A piece of code, separate from Apache, used to extend Apache s functionality D A configuration file separate from the primary file
Practice Questions
4 How is DNS look-up used in conjunction with an Apache server A It is the process of resolving a name to its related IP address B It is a way of automatically searching the Internet through a search engine C It is a denial-of-service attack D It is a way of finding the current Apache version 5 What is the role of a directive in Apache A It offers guidelines on how to configure Apache B It sets Internet standards, much like an RFC C It gives a request for information by a browser D It is an order given to Apache from within Apache s configuration files 6 Which of the following will enable the module info during the Apache build A make apache module=info modules_install B /configure --enable-module=info C make httpd module=info modules_install D /configure --module=info 7 In addition to installing at compile time, modules may be enabled in which of the following files A srmconf B accessconf C httpdconf D apacheconf 8 Which of the following is the correct format for adding a mod_log module to the Apache configuration file A AddModule modules/mod_logconfigo B Module -enable=mod_logconfigo C Module -add=mod_logconfigo D Add module=mod_logconfigo
Practice Questions
9 After reconfiguring Apache, the daemon fails to restart Which of the following files should be checked when diagnosing the problem (Select two) A The Apache error log B /proc/apache/problems C Try running Apache under strace D /etc/liloconf 10 How is a secure connection opened with an Apache Web server A Use https:// in the URL for the server B Enable Java in your browser C Hold down the Shift key while loading the page D Add ~secure to the end of the URL 11 What is the purpose of apachectl A It allows Apache to run the CTL scripting language B It controls which users have access to Apache on a system C It allows complete configuration of Apache on remote systems through a Web-based utility D It is a script used to start, stop, or restart Apache 12 In addition to httpdconf, which of the following files may be used to configure Apache (Select two) A srmconf B ypconf C accessconf D ypservconf 13 Which of the following is not a way to run multiple Web sites off one Apache server A Name-based hosting B Net-based hosting C One instance of Apache for each site D IP-based hosting