A main advantage of enterprise resource planning (ERP) is that it describes a _____ that ensures connectivity and easy integration of future systems, including in-house software and commercial packages.
A. data frame
B. platform
C. bandwidth
D. hub
Answer: B
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A scheme for implementing at-most-once reliable message delivery uses synchronized clocks to reject duplicate messages. Processes place their local clock value (a ‘timestamp’) in the messages they send. Each receiver keeps a table giving, for each sending process, the largest message timestamp it has seen. Assume that clocks are synchronized to within 100 ms, and that messages can arrive at most 50 ms after transmission.
a) When may a process ignore a message bearing a timestamp T, if it has recorded the last message received from that process as having timestamp T ? b) When may a receiver remove a timestamp 175,000 (ms) from its table? (Hint: use the receiver’s local clock value.) c) Should the clocks be internally synchronized or externally synchronized?
What are the two names used by Intel and AMD respectively that refer to the Execute Disable Bit (EDB) technology?
A. Xtreme Security (XS) B. eXecute Disable (XD) C. Enhanced Virus Protection D. BitStopper
Write the statement to declare a procedure-level two-dimensional array nameddblRatesusing the following table of data: 5 5.75 6 6 7 6.25 8 6.5 9 6.75
What will be an ideal response?
Sean suspects that an individual in his company is smuggling out secret information despite his company's careful use of data loss prevention systems. He discovers that the suspect is posting photos, including the one shown here, to public Internet message boards. What type of technique may the individuals be using to hide messages inside this image?
A. Watermarking B. VPN C. Steganography D. Covert timing channel