Technology Flashcards
List at least 6 of the protocols found in the application layer of the Internet protocol suite
HTTP, HTTPS, SMTP, POP, DNS, IMAP
Who is Tim Berners-Lee? What does HTTP stand for? Name a web server technology? Name a web client? What does URL stand for?
a. Berners-Lee invented the world wide web
b. HTTP (hyper text transfer protocol)
c. Web server technology –
d. Web client –
e. URL
What is HTTP protocol
(hyper text transfer protocol): operates between web server and client for internet
What is FTP protocol
(file transfer protocol): used to transfer large files
What is SMTP protocol
(simple mail transfer protocol): email
What is POP protocol
What is IRC protocol
internet relay chat - used to transfer files directly, most oftenly used by offenders
What is NNTP protocol
Network News Transfer Protocol, is a protocol used primarily for reading and posting articles on Usenet discussion groups
What is TCP protocol
What is NTP protocol
List the regional registries that control IP allocation around the world
www.arin.net
www.ripe.net
www.afrinic.net
www.apnic.net
www.lacnic.net
What is the difference between a ccTLD and a gTLD
ccTLD (country code top level domain) - .ie, .uk, .fi
gTLD (global top level domain) - .com, .org
What is the difference between a Registrant, Registry and a Registrar
a. Registrant –
b. Registry – .net (verisign), .info (Afilias),
c. Registrar – Godaddy, blacknight”
Outline the purposes and functionality of the DNS system
Domain Name system. Converts IP addresses (numbers) of web addresses to plain text URLs, which are much easier to remember. Domain names are unique
What is WHOIS information and where can you get it for the gTLD space
Find owner/registrant of domain/website
What does the expression Root Server mean in relation to DNS and what role does it play in the DNS system
Root servers are the address books of the internet and store the conversion between IP addresses and plain text URLs
What makes Peer to Peer file sharing popular with open traders of child exploitation material
Direct connection, encrypted
List the difference between Image Chans and Forums
“Image chans have minimalistic structures, often without user accounts or profiles. Users usually post anonymously
Forums often require user registration and have more complex structures with user profiles, signatures, and sometimes a ranking or reputation system.
Discussions are typically text-based, organized into categories and sub-forums”
Outline two of reasons that email is used by online sex offenders with examples
Mailboxes are not public, data is indexable / searchable easily accessible data
Use email to be contacted / contact others
Continue conversation from forums on email”
What is an anonymous remailer and how does it work?
Strip away email headers, encrypt data with public key, no identifiers on where email originated from
As a collector of CAM why should I use online mail
“a. Does not store data locally like a mail client out. Using a web interface doesn’t display / download data
b. Does not store data locally to machine, stored in cloud
c. Online storage that in indexable”
Compare and contrast the use of a mail client and mail download with local storage and online webmail
“a. Store data online not stored locally on machine, accessible all over with internet connection
b. Local storage – easily accessible offline / indexable, no internet connection required
c. Storage and ease of access”
List 5 of the “Big 7” top level UseNet hierarchies
“comp: This hierarchy contains groups related to computers and technology. Topics can range from software to hardware, programming languages, and networking.
sci: This hierarchy includes groups that discuss science-related topics. This could involve physics, biology, chemistry, and other scientific disciplines.
soc: The soc hierarchy focuses on social issues and cultural discussions. It includes groups for discussing different societies, social norms, and cultural practices.
rec: Recreational activities are the focus of this hierarchy. It includes groups for hobbies, sports, music, games, and a variety of other leisure activities.
news: This hierarchy is meta-discussive, focusing on issues related to the Usenet system itself, including discussions about the Usenet, its administration, and its support.
talk, which is known for more contentious or controversial topics,
misc, which includes discussions that do not necessarily fit into the other more defined categories”You find 100 Nzb files on a suspects computer, what can you conclude
You find 100 Nzb files on a suspects computer, what can you conclude
NZB file is a file format used primarily within the Usenet community. It was created to simplify the process of downloading files from Usenet newsgroups