Exam (elaborations)
Cryptography And Network Security – Qs And As
- Institution
- CRYPTOGRAPHY AND NETWORK SECURITY
Cryptography And Network Security – Qs And As
[Show more]
Content preview
Cryptography And Network Security – Qs And AsSymmetric encryption ✔️Ans - Used to conceal the contents of blocks or
stream of data of any size, including messages, files, encryption keys, and
passwords
Asymmetric encryption ✔️Ans - Used to conceal small blocks of data,
such as encryption keys and hash function values, which are used in digital
signatures
Data integrity algorithms ✔️Ans - Used to protect blocks of data from
alteration
Authentication protocols ✔️Ans - Schemes based on the use of
cryptographic designed to authenticate the identity of entities
The Internet and security field consist of ✔️Ans - Measures to deter,
prevent, detect, and correct security violations that involve the
transmission of information
NIST ✔️Ans - National institute of standards and technology
Computer security ✔️Ans - The protection afforded to an automated
information system in order to attain the applicable objectives of
preserving the integrity, availability and confidentiality of information
system resources
Confidentiality types ✔️Ans - 1- Data confidentiality
2- Privacy
Data confidentiality ✔️Ans - Assures that private or confidential
information is not made available or disclosed to unauthorized individuals
Privacy ✔️Ans - Assures that individuals control or influence what
related to them may be collected and stored and by whom and to whom
information may be disclosed
Integrity ✔️Ans - 1- data integrity
, 2- system integrity
Data integrity ✔️Ans - Assures that information and programs are
changed only in a specified and authorized manner
System integrity ✔️Ans - Assures that a system performs it's intended
function in unimpaired manner, free from deliberate or inadvertent
unauthorized manipulation of system
Availability ✔️Ans - Assures that systems work promptly and service is
not denied to authorized users
Authenticity ✔️Ans - Verifying that users are who they say they are and
that each input arriving at the system came from a trusted source
Accountability ✔️Ans - The security goal that generate the requirement
for actions of an entity to be traced uniquely to that entity
High level breach ✔️Ans - The loss could be expected to have severe or
catastrophic adverse effect on organizational operations, organizational
assets, or individuals
Moderate level breach ✔️Ans - The loss could be expected to have
serious adverse effect on organizational operations, organizational assets,
or individuals
Low level breach ✔️Ans - The loss could be expected to have limited
adverse effect on organizational operations, organizational assets, or
individuals
Computer security challanges ✔️Ans - 1- Security is not simple
2- Potential attacks on the security features need to be considered
3- Procedures used to provide particular services are often counter-
intuitive
4- It is necessary to decide where to use the various security mechanism
5- Requires content monitoring
6- It is too often afterthought
7- Security mechanism typically involve more then a particulate algorithm
or protocol
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 Studycafe. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$13.97. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77333 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now