Exam (elaborations)
OCS Cyber Exam 2023-with complete solutions
- Course
- Institution
OCS Cyber Exam 2023-with complete solutions
[Show more]
Content preview
OCS Cyber Exam 2023-with complete solutionsThe Device that conducts 4 actions in accordance with a series of stored operating instructions - Answer- Computer
What four actions does computer conduct? - Answer- - Accepts Input
- Processes Data
- Stores Data
- Produces Outputs
What re the main computer components? - Answer- - Monitor
- Motherboard - CPU - RAM (Main memory)
- Expansion Cards
- Power supply unit
and the accessories
What does the CPU do? - Answer- - Fetch (Retrieves a sequence of bytes - instructions)
- Decode (Determine what action the bytes specifies)
- Execute (Carry out the encoded instruction)
What are some examples of Volatile Memory - Answer- RAM
What are some examples of Non- Volatile Memory? - Answer- CD, Thumb drive, hard drive, external hard drive
If RAM (Random access Memory) is so sensitive, why bother with volatile memory? - Answer- Because non-volatile memory (storage devices) are MUCH slower than memory.
*Accessing the same data on a hard drive multiple time would slow down overall performance
What are some examples of Peripherals? - Answer- Mouse, Keyboard, headphones, printers, wifi router
How to define Cyber? - Answer- - Electronic means used to formulate a global computer
network utilized to facilitate online communication
- Interactive virtual environment used for many things/people What is Cyberspace? - Answer- Has interdependent networks of information technology
infrastructures and resident data
but dependent on the physical domains of air, land, maritime, and space
What is a bit? - Answer- Binary digit represents one or zero
What is a byte? - Answer- Indicates eight bits in a row and can be any number from 0-
255
Since all data stored on a computer is a series of binary numbers, how do we get letters? - Answer- The American Standard Code for Information Interchange (ASCII)
What is a modern computer system here at OTC that may require more than 255 binary
values provided by an 8-bit system? - Answer- The COVE
What are Information Systems? - Answer- Systems that store, process, and transmit data
What is Information Assurance? - Answer- Set of measures intended to protect and defend information and information systems by ensuring their availability, integrity, authentication, confidentiality, and non-repudiation. This includes providing for restoration of information systems by incorporating protection, detection, and reaction capabilities.
Pillars of IA (Information insurance) - Answer- Confidentiality Integrity
Availability
Non- Repudiation
Authentication
Can I Ask No Answer
Confidentiality - Answer- Information is free from unauthorized disclosure EX. eavsesdropping software to view traffic transitting a network
Integrity - Answer- Information is free from unauthorized modification
EX Error in program causes all values of 5 to be changed to 6
Availability - Answer- Timely and reliable access to the information
EX Cyber injection attack that always redirects a webpage
Non-Repudiation - Answer- Information Source - Proof Identity
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Gordones22. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77016 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now