In 1996, the ________ website enabled users to create a web-based version of traditional web browser bookmarks
Fill in the blank(s) with correct word
itList
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Consider the following atomic commit protocol that attempts to eliminate the blocking that occurs in the two-phase commit protocol. The coordinator sends a prepare message to each cohort containing the addresses of all cohorts. Each cohort sends its vote directly to all other cohorts. When a cohort receives the votes of all other cohorts it decides to commit or abort in the usual way.
a. Assuming no failures, compare the number of messages sent in this protocol and in the two-phase commit protocol. Assuming that all messages take the same fixed amount of time to deliver, which protocol would you expect to run faster? Explain. b. Does the protocol exhibit blocking when failures occur?
You need to calculate the estimated future availability of a cloud-based IT resource. You determine that only one possible event can occur for the cloud-based IT resource to become unavailable. As a result, you use the following formula to determine a percentage-based availability rating:
100 – ( ( __________________ x downtime in hours ) / __________________ ) x 100 a. probability event does not occur, measurement period in hours b. probability event occurs, measurement period in hours c. probability event occurs, uptime in hours d. probability event does not occur, uptime in hours Select the correct answer.
The UNIX __________ command is used to list the contents of a directory.
a. ls b. cat c. cp d. vi
A filter is a routing technology that transmits data to all possible destinations onthe local subnet
Indicate whether the statement is true or false