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Platform as a Service (PaaS) Limitations - ANS Entails a vendor lock-in n terms of
features.
Does not allow extreme customizations.
Hard to mitigate from one platform to another.
Infrastructure as a Service (IaaS) Benefits - ANS Highly flexible and scalable.
Easily accessible by multiple users.
Cost effective.
Useful for businesses of all sizes.
Provides complete and discretionary control over infrastructure.
Can help slash hardware costs by 50% or more.
, Infrastructure as a Service (IaaS) Limitations - ANS Requires a mature operations model.
Needs rigorous security stacks.
Needs understanding close provider technologies.
Requires skill and competency in resources management.
Ethics - ANS a code of moral conduct or a set of principles that govern behavior.
The 10 Commandments of Computer Ethics - ANS 1. Thou shalt not use a computer to
harm other people.
2. Thou shalt not interfere with other people's computer work.
3. Thou shalt not snoop around in other people's computer files.
4. Thou shalt not use a computer to steal.
5. Thou shalt not use a computer to bear false witness.
6. Thou shalt not copy or use proprietary software for which you have not paid.
7. Thou shalt not use other people's computer resources without authorization or proper
compensation.
8. Thou shalt not appropriate other people's intellectual output.
, 9. Thou shalt think about the social consequences of the program you are writing or the
system you are designing.
10. Thou shalt always use computers in ways that ensure consideration and respect for
fellow humans.
Know these: - ANS 1. The Family Educational Rights and Privacy Act of 1974 (FERPA)
2. Electronic Communication Privacy Act of 1986
3. Computer Matching and Privacy Protection Act of 1988
4. Health Insurance Portability and Accountability Act of 1996 (HIPAA)
5. Digital Signature and Electronic Authentication Law of 1998 (SEAL)
6. The AITP code of ethics (http://www.aitp.org/?page=Ethics)
7. Information Systems Audit and Control Association (ISACA)
Denial of service (DOS) attack - ANS In the DOS attack, one or more attackers attempts
to flood a server with so many incoming messages that the server is unable to handle legitimate
business
, Firewalls - ANS prevent certain types of messages from coming into or out of the
network and anti-viral software seeks out malware
Antivirus software - ANS attempts to identify if a file contains a virus or, more generally,
some form of malware.
Information security - ANS attempts to ensure the confidentiality, integrity, and
availability of information when it is stored, processed, and transmitted (across a network)
Encryption - ANS is the idea of obfuscating the information that resides on a computer
or is sent over a network so that if it is intercepted the hacker will be unable to use the
information. Encryption uses a mathematical algorithm for converting the plain-text information
to the encrypted form
Symmetric key encryption - ANS uses the same key for performing the encryption and
decryption.
Public-key encryption - ANS uses two keys, a public and private key.