The Election service must ensure that a vote is recorded whenever any user thinks they have cast
a vote.
Discuss the effect of maybe call semantics on the Election service.
Would at-least-once call semantics be acceptable for the Election service or would you
recommend at-most-once call semantics?
What will be an ideal response?
Maybe call semantics is obviously inadequate for vote! Ex 5.1. specifies that the voter’s number is used to
ensure that the user only votes once. This means that the server keeps a record of who has voted. Therefore at
least-once semantics is alright, because any repeated attempts to vote are foiled by the server.
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You just learned that a car patrolling your neighborhood is scanning the wireless signals coming from homes. What is this called?
A) Salami attack B) Social engineering C) War driving D) Data diddling
Dynamic Host Configuration ________ is a standard for allowing a server to dynamically assign IP addresses and configuration to hosts on a network. This dynamic addressing means that a new client can join a network without having to possess a preassigned IP address
Fill in the blank(s) with the appropriate word(s).