You are employed by a cloud service provider that offers virtual machine services along with virtual switches, storage, firewalls, and other virtual devices. What type of cloud environment does your employer sell?
A. Infrastructure as a Service
B. Platform as a Service
C. Software as a Service
D. Core as a Service
Answer: A
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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. (i) 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? ? (ii) When may a receiver remove a timestamp 175,000 (ms) from its table? (Hint: use the receiver’s local clock value.) (iii) Should the clocks be internally synchronized or externally synchronized?
What will be an ideal response?
Which function name is invalid?
A. Function-to-Calc-Price B. Function to CalcPrice C. Function_To_Calc?? D. They are all invalid
A word flagged by Outlook using a wavy underline is a misspelled word.
Answer the following statement true (T) or false (F)
Which of the following functions is best suited to add numbers based on one condition?
A) SUMIFS B) COUNTIF C) COUNTIFS D) SUMIF