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Computer Science homework help

Computer Science homework help. Assignment Description
In this assignment you should report on the Cache Poisoned Denial of Service
(CPDoS) vulnerability from 2019. You should write a report that describes
Content Distribution Networks (CDN), how they work and how they used. You
should describe CPDoS and how to perform the exploit as well as any solutions
you can find or devise to defend against it. Finally give predictions to the likely
impact of CPDoS. Make sure to include references to all souces of information.
Your should investigate the following:
• Principles of CDN.
– include an example of use.
• Description of the CPDoS exploit.
• Critical discussion of two possible solutions to the CPDoS exploit.
• Your analysis of the likely future importance and effectiveness of CPDoS.
Learning Outcomes
1. Analyse potential threats to computer systems and networks and evaluate countermeasures
5. Critically evaluate security policies and techniques
6. Research and report on a security-related topic, using appropriate
The assignment work should be submitted as a Word document or Portable
Document Format to the correct assignment slot on Blackboard1 before 11:59pm
on the 22 March 2020.
Late work
Late work must be submitted to Blackboard in the required assignment slot.
Penalties for late submission
Except where an extension of the hand-in deadline date has been agreed (using
extenuating circumstances forms), lateness penalties will be applied in accordance with University policy as shown in Table 12
(Working) Days Late Penalty
up to 5 maximum mark 50%
more than 5 0%
Table 1: Late submission penalty
Extenuating circumstances
If you believe that you have circumstances that justify an extension of the
hand-in deadline for your assignment work, you should use the Extenuating
Circumstances procedure. Extensions (to a maximum of 10 working days) can
be granted when there are serious and exceptional factors outside of your control.
Everyday occurrences such as colds and hay fever do not normally qualify for
extensions. Where possible, requests for extensions should be made before the
submission date.
The University considers extenuating circumstances to be conditions that
significantly impact on your work. Normally these will cover more than one
module. Requests for consideration of extenuating circumstances in respect
of assignment work submission, should be made using the MyUCLan3
. You
shoud speak to your Academic Advisor prior to submitting. Whilst extenuating
circumstances are being considered, you should inform relevant module leader,
and continue with the assignment.
Feedback will be given to the class within 15 working days of the assignment
hand-in date. This may be done in the first fifteen minutes of the lecture. This
will be followed by individual written feedback tying to the Learning Outcomes
listed in the assignment brief, together with any additional helpful feedback
such as areas for improvement and areas for improvement.
The University uses an electronic plagiarism detection system where your work
could be uploaded, stored and cross-referenced against other material. You
should know that the software searches the WWW, an extensive collection of
reference material and work submitted by members of the same cohort to identify duplicates.
For detailed information on the procedures relating to plagiarism, please see
the current version of the University Academic Regulations4
Reassessment and Revision
Reassessment in written examinations and coursework is at the discretion of
the Course Assessment Board and is dealt with strictly in accordance with
University policy and procedures. Revision classes for referrals will take place
during ’reassessment revision, appeals and guidance week’ as marked on the
academic calendar.
The mark for the reassessed component is subject to a maximum of 50%.
Assessment criteria
Fail (30) Pass (50) Merit (60) Distinction (70) 80 (80)
Issues (50) Brief description, details are
not clear or elements of the
description are completely
Poor description of CDN.
Poor description of CPDoS.
Good description of both
DNS and CPDoS. Or an excellent description of one.
Excellent description of both
CDN and CPDoS.
Excellent description of CDN
and CPDoS. Include technical details (code) with an explanation of how the exploit
is triggered.
Prevention (20) Brief description. Poor description of how to
prevent the issue. Obvious
means or only looks at one
aspect of prevention.
Good description. When
given to an export they could
prevent the issue.
Excellent description. Which
when given to someone with
technical knowledge would
allow them to prevent the issue.
Clear technical detailed including code/configuration
that needs to changed.
Predictions (20) Short predictions which
could be made by anyone,
e.g. ”it will become more
Predictions of future impact
are poor but seemingly correct. May just be just
opinion or back by citations
(which may not fully back up
the case).
Prediction of future impact
are good but only backed up
by opinion. Maybe few citations.
Sensible predictions, backed
by citations.
Excellent predictions on future importance and effectiveness of cloud security security backed up by citations.
Case made uses current literature (less than a year old).
Presentation(10) Lots of spelling and grammatical mistakes. Difficulty
in understanding what was
meant in some cases.
Some spelling and grammatical mistakes. Few spelling and grammati- cal mistakes. All diagrams
are labelled and presented

Computer Science homework help


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