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CNIT 34220 Exam 2 | 350+ Exam Questions & Verified Answers | HTTP, HTTPS, DNSSEC, PKI, ADC, RADIUS & LDAP | Purdue University

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Master CNIT 34220 Exam 2 with this comprehensive collection of 350+ exam questions and verified answers covering the advanced networking, web infrastructure, authentication, and enterprise security concepts taught in Purdue University's Computer and Information Technology (CNIT 34220) course. This study guide is presented in a structured question-and-answer format and provides detailed coverage of HTTP and HTTPS, web server configuration, reverse proxy servers, outbound proxy servers, Application Delivery Controllers (ADCs), load balancing, SSL/TLS acceleration, DNS Security Extensions (DNSSEC), Public Key Infrastructure (PKI), digital certificates, email security, centralized authentication, RADIUS, LDAP, LDAPS, and Kerberos authentication. It serves as an excellent revision resource for quizzes, midterm examinations, certification preparation, and final exam review. The document systematically explores enterprise web services and secure application delivery, beginning with HTTP/HTTPS protocols, DNS-based website hosting, reverse proxies, load balancing techniques, proxy architectures, and Application Delivery Controllers before progressing into modern cryptographic infrastructure through Diffie-Hellman, PKI, X.509 certificates, DNSSEC, secure email technologies including S/MIME, SPF, DKIM, and DMARC, and centralized authentication services such as RADIUS, LDAP, LDAPS, and Kerberos. The question-and-answer format reinforces technical terminology, networking protocols, security mechanisms, authentication workflows, and enterprise deployment strategies, making it ideal for students seeking both conceptual understanding and efficient exam preparation. The material aligns with internationally recognized networking, web security, and authentication references, including: James F. Kurose & Keith W. Ross, Computer Networking: A Top-Down Approach (Pearson). William Stallings, Network Security Essentials: Applications and Standards (Pearson). William Stallings, Cryptography and Network Security: Principles and Practice (Pearson). W. Richard Stevens, TCP/IP Illustrated, Volume 1: The Protocols (Addison-Wesley). Cricket Liu & Paul Albitz, DNS and BIND (O'Reilly Media). RFC 7230–7235 (HTTP/1.1), RFC 8446 (TLS 1.3), RFC 4033–4035 (DNSSEC), RFC 5280 (X.509 PKI), RFC 6376 (DKIM), RFC 7208 (SPF), RFC 7489 (DMARC), RFC 2865 (RADIUS), RFC 4511 (LDAP), and RFC 4120 (Kerberos). Relevant Students: Purdue University CNIT 34220 students, Computer and Information Technology students, Computer Networking students, Network Administration students, Information Technology students, Cybersecurity students, Information Security students, Systems Administration students, Network Engineering students, Cloud Infrastructure students, students preparing for CNIT 34220 Exam 2, students studying enterprise networking and web security. Keywords: CNIT 34220, Exam 2, HTTP, HTTPS, web server, web hosting, URL, reverse proxy, outbound proxy, proxy server, transparent proxy, Application Delivery Controller, ADC, load balancing, reverse proxy server, SSL acceleration, TLS, HTTP Secure, DNS, DNSSEC, DNS Security Extensions, RRSIG, DNSKEY, DS record, NSEC, NSEC3, trust anchor, PKI, Public Key Infrastructure, X.509, digital certificates, certificate authority, Diffie-Hellman, PGP, S/MIME, SMTP, MIME, SPF, Sender Policy Framework, Sender ID, DKIM, DMARC, email security, message authentication, RADIUS, AAA, LDAP, LDAPS, Kerberos, authentication, authorization, accounting, centralized authentication, enterprise networking, Purdue CNIT

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CNIT 34220 Exam 2 2026 Exam
Questions and Answers |
Already Graded A+



What is HTTP? - ANSWER ✔✔Hyper Text Transfer Protocol


What port does HTTP typically use? - ANSWER ✔✔80


How do HTTP transactions start? - ANSWER ✔✔Begins with an

HTTP get of a URL


What does URL stand for? - ANSWER ✔✔Uniform Resource Locator


How many TCP sessions per HTTP transaction? - ANSWER

✔✔Multiple TCP sessions are established


- A "control" session for the base HTML data that defines the web page

,- Multiple other sessions for pictures, sound, video, etc. that are defined

on the

page


What is HTTPS? - ANSWER ✔✔HTTP Secure


What port does HTTPS typically use? - ANSWER ✔✔443


What is the difference between HTTPS and HTTP? - ANSWER

✔✔HTTPS establishes a secure connection over which HTTP data will

be carried.


What does HTTPS require to work transparently? - ANSWER

✔✔Requires a Digital Certificate from a trusted certificate authority


What happens if the HTTPS certificate is not trusted by the browser? -

ANSWER ✔✔A browser alert will be shown to the user


- The connection will still be encrypted, but the authentication is only as

good as the trust hierarchy of the CAs


How do you configure a web server? - ANSWER ✔✔Define a default

page and define sites


What is a default page for a web server used for? - ANSWER

✔✔Used when a request is made for the base page or a directory

,- i.e. www.page.com is default, vs www.page.com/support

- index.html, default.asp, index.php, etc


What are sites used for in a web server? - ANSWER ✔✔Each site

consists of a unique DNS identifier

- multiple sites can exist on the same web server

- www.page1.com, www.page2.org, etc.


How can you configure IP-based HTTP site identification? - ANSWER

✔✔Multiple IP addresses bound to the web server's external NIC


- Each site has its own underlying DNS "A" record

- i.e. www.site.com is CNAMED at web1.site.com

What is best pracrtice for A records for sites on web servers? -

ANSWER ✔✔Best practice is to name web servers something other

than "www" then

create a CNAME that points at the underlying host name

Why is IP-based HTTP site identification frowned upon by ICANN? -

ANSWER ✔✔Inefficient in usage of IP address


How do you configure DNS Name HTTP Site Identification? -

ANSWER ✔✔There is one IP address for the server


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, - Each site has its own DNS "CNAME" record that points to the

underlying hostname

- The web server decides which page to serve based on the DNS entry

from the HTTP get from the URL

What is the preferred method for HTTP Site Identification? -

ANSWER ✔✔DNS Name


How do you configure HTTPS sites? - ANSWER ✔✔Acquire and

assign certificates for each site

- The certificate authenticates the site, not the server

- Each site requires its own certificate

What should you do if your site should only allow secure connections? -

ANSWER ✔✔You should create a redirect page at

http://www.site.com that automatically redirects the user to

https://www.site.com

- Otherwise the user could side-step the protections that HTTPS

provides


What is the easiest way to configure HTTPS? - ANSWER ✔✔Easiest

with a separate IP address for each site

- The security is established on an IP basis rather than a name basis

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Subido en
31 de julio de 2026
Número de páginas
43
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2025/2026
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Examen
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