IT 2.1 Flashcards
WHAT is the appropriate definition of a Local Area Network (LAN)?
A computer system that connects computers of all sizes, workstations, terminals, and other devices within a limited proximity
WHAT is a benefit realized from an EFT system compared to a manual system?
LOWER COSTS
i.e. EFT transaction costs are lower than for manual systems
WHY? - Because documents and human intervention are eliminated from the transaction process
WHAT is a disadvantage of using a private key to encrypt data?
Both the sender and receiver must have the private key before this encryption method will work
KNOWLEDGE of what key is required to decode a received message?
THE Private-Key
i.e. KNOWLEDGE of the Private-Key is required in order to (decrypt) decode a message
WHAT is a major function of in-memory analytics?
IT analyzes data from system memory instead of hard drives
WHAT is Hadoop?
AN open source software framework that stores large amounts of data
- It runs applications on clusters of commodity hardware
Fill in the Blank.
Message Encryption Software ________.
Increases System overhead.
WHY? - Because machine instructions necessary to encrypt and decrypt data constitute system overhead
WHAT IT development poses the least risk to organizational security?
THE use of a Public-Key Encryption
WHAT is a good characterization of a “Interactive System?”
THE processing of data immediately on input
WHAT is an accurate description of a Distributed Processing Network?
When an entity decentralizes the processing of tasks, data storage and the assignment of these functions to multiple computers in separate locations
WHAT type of network involves an arrangement that makes every device directly connected?
A Peer-to-Peer arrangement
WHAT is an example of a Virtual Private Network (VPN)?
WHEN a company connects each office to a local internet service provider and routes date through the shared low cost public internet
WHAT is an “extranet” Network?
THE linked intranets of two or more organizations
i.e. typically uses the public Internet as its transmission medium
For example: A company uses public internet with password-required access to connect to its customers’
WHAT is a Local area network (LAN)?
ANY interconnection between devices in a single office or building
WHAT is the “intranet?”
THE sharing of information throughout an organization by applying Internet connectivity standards
