BCS Cryptography & Encryption UPDATED ACTUAL Exam Questions and CORRECT Answers
0 view 0 purchase
Course
BCS Cryptography & Encryption
Institution
BCS Cryptography & Encryption
BCS Cryptography & Encryption
UPDATED ACTUAL Exam Questions and
CORRECT Answers
What is the protocol suite that employs the following three protocols?
a) Authentication Headers (AH).
b) Encapsulating Security Payload (ESP).
c) Security Associations (SAs). - CORRECT ANSWER- IPsec
BCS Cryptography & Encryption
UPDATED ACTUAL Exam Questions and
CORRECT Answers
What is the protocol suite that employs the following three protocols?
a) Authentication Headers (AH).
b) Encapsulating Security Payload (ESP).
c) Security Associations (SAs). - CORRECT ANSWER✔✔- IPsec
Which two of the following are certificates used for?
a) Client authentication.
b) WEP encryption.
c) Access control lists.
d) Password hashing. - CORRECT ANSWER✔✔- A and D.
Non-repudiation is a feature of cryptography that can be implemented using what? -
CORRECT ANSWER✔✔- Digital Signature.
A collision attack on MD5 attempts to find what? - CORRECT ANSWER✔✔- Two
messages that will produce identical hashes.
Entropy in a computer system may be used for what purpose? - CORRECT ANSWER✔✔-
To create session keys.
, A simple substitution cipher changes each plaintext symbol in what manner? - CORRECT
ANSWER✔✔- It employs a one-to-one correspondence table.
What describes a situation when a cryptographic key
component is held by a third party? - CORRECT ANSWER✔✔- Key escrow.
A way of verifying both the sender of information and the integrity of a message is using
what? - CORRECT ANSWER✔✔- Digital signatures.
Why would a user check that a software patch is CORRECTLY signed by the software
publisher? - CORRECT ANSWER✔✔- To ensure that it is a legitimate patch issued by the
correct party.
What is the CORRECT description of ciphers? - CORRECT ANSWER✔✔- Stream ciphers
encrypt continuous streams of data.
Voice privacy in Global System for Mobile Communication (GSM) cellular telephone
protocol is provided by which cipher? - CORRECT ANSWER✔✔- A5/2.
What is a downside of data cryptography on an open source? - CORRECT ANSWER✔✔-
The data storage is dependent on a service that may have been poorly tested
and possibly not work.
What is TRUE, in a block cipher? - CORRECT ANSWER✔✔- The same key is used to
encrypt each of the blocks.
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 MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
