Questions and answers

1. Web Services

1.1.

What is the name of the file that contains Apache configuration items that can be set on a per directory basis?

.htaccess.

.htaccess

1.2.

Which protocol is supported by the Apache web server that enables secure online communication between client en server?

SSL.

SSL

1.3.

What is the principle behind PKC (Public Key Cryptography)?

PKC is based on a public and a secret key, in which the sender of a message encrypts the data with the public key of the receiver. Only the owner of the corresponding private key can decipher this data.

Public Key Cryptography

1.4.

What is the difference between Covalent's Raven SSL Module and mod_ssl?

The difference is in the license; mod_ssl is open source and Covalent's Raven SSL Module is not.

1.5.

Which hardware component directly affects an Apache web server's performance?

RAM.

RAM

1.6.

Which setting controls the number of concurrent connections to an Apache web server?

MaxClients.

MaxClients

1.7.

Which standard format is used to write entries in the Apache web server access log file?

Common Log Format.

Common Log Format

1.8.

Name the two methods of access control in use by an Apache web server.

Discretionary access control (DAC) and mandatory access control (MAC).

Access Control

1.9.

Describe two methods of configuring authentication modules.

One method is to use directives in the Apache configuration files, the other is to use the .htaccess file.

Authentication modules

1.10.

Which command is used to restart the Apache web server?

apachectl restart.

Apache restart

1.11.

By which means can an Apache web server configuration file be checked for syntax errors?

apachectl configtest.

apachectl configtest

1.12.

Describe Apache virtual hosting.

Virtual hosting is a technique that provides the capability to host more than one domain on a physical host using a single web-server.

Virtual Hosting

1.13.

Name the two methods of implementing webserver virtual hosting.

Name-based and IP-based virtual hosting.

Virtual hosting methods

1.14.

Which of the two virtual hosting methods (name or ip-based) is preferred and why?

Name-based Virtual Hosting, because it eases demand for scarce IP addresses.

Prefered Virtual Hosting

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