CNIT 34220 Final Exam Questions With Correct Answers

Examples of Inbound Web Service Connections - Answer protocols, addressing, redundancy, load balancing Examples of Outbound Web Service Connections - Answer proxy servers What port does HTTP use? - Answer Port 80 HTTP is a __________ protocol - Answer simple TCP sessions established by HTTP - Answer 1) "Control" session for the base HTML data that defines the webpage 2) Multiple other sessions for the content defined on the page What port does HTTPS use? - Answer Port 443 T/F: HTTPS authenticates the server - Answer true T/F: HTTPS does not require a digital certificate - Answer False, HTTPS requires a cert from a trusted certificate authority to work transparently (if the cert authority is not trusted the browser will alert the user) T/F: Multiple sites can exist on the same web server - Answer True, each site should consist of a unique DNS identifier Basic steps in Web Server Configuration: - Answer 1) Define a default page to be used when a request is made for the base page or a directory 2) Define sites What does CNAME do? - Answer CNAME points to the underlying host name of a web server (ex: is CNAMED at ) T/F: IP Based HTTP Site Identification is the most efficient - Answer F: it is an inefficient use of IP addresses and therefore frowned upon by ICANN b/c multiple IP addresses are bound to the web server's external NIC Each site has its own underlying DNS "A" record - Answer IP Based HTTP Site Identification Each site has its own DNS "CNAME" record that points to the underlying hostname - Answer DNS Name HTTP Site Identification What is the preferred method of HTTP Site Identification? - Answer DNS Name HTTP Site Identification (there is one IP address for the server = more efficient use of IP addresses) How does a web server decide which page to serve in DNS Name HTTP Site Identification? - Answer Based on the DNS entry from the HTTP Get from the URL Basic HTTPS site configuration - Answer 1) Acquire and assign certificates for each site 2)Create a redirect page to send user from http -- 3)Use separate IP addresses for each site T/F: HTTPS security is established on an IP basis rather than a name basis - Answer True (this is why separate IPs are required for each site) T/F: Simple Servers always support HTTPS - Answer F: Simple servers often DO NOT support HTTPS Disadvantages of Simple Servers - Answer 1) often added on top of existing workstations which creates significant security issues 2) doesn't support HTTPS 3) often offer no method of authenticating A highly available web server running in a secure environment is a ____________________________________ - Answer Single Dedicated Server