When a line of text contains a revision, a ________ displays in the left margin
A) balloon
B) comment
C) horizontal change bar
D) vertical change bar
D
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________ is a subjective measure of performance in a system and relies on human opinion.
A) QUALINET B) PDU C) QoE D) QoS
A sync-ordered multicast operation is one whose delivery ordering semantics are the same as those for delivering views in a view-synchronous group communication system. In a thingumajig service, operations upon thingumajigs are causally ordered. The service supports lists of users able to perform operations on each particular thingumajig. Explain why removing a user from a list should be a sync-ordered operation.
What will be an ideal response?
Identify two mechanisms employed by the Linux block I/O subsystem that improve performance. Discuss how they improve performance and how they may, if ever, degrade performance.
What will be an ideal response?
Which of the following is a tool that can query a database that includes domain names, IP addresses, and points of contact, including names, postal addresses, and telephone numbers?
a. whois b. ARIN c. Back Orifice d. RIPE