Match each item with a statement below.
A. A command used in CentOS 7 to provide a "snapshot" of the processes that are running
B. A number used by CentOS 7 to uniquely identify a process
C. The level of performance that you can expect during typical usage and workloads
D. A system that acts like a file system but is specially constructed to interface with specific areas in a system
E. A command that displays the amount or percentage of time a computer system or associated hardware is functioning and available for use
F. A performance problem that occurs when multiple processes are competing for resources and all of them converge on the same resource at once
G. A command used to stop or abort a process in a program or operating system
H. A command that usually reports average values on process status, memory consumption, I/O operations, and CPU usage since the last reboot
I. A command used in CentOS 7 to run a command repeatedly
J. command-line reporting and control information system in CentOS 7 that directly interfaces with the kernel and is stored in memory
A. ps command
B. PID
C. baseline
D. pseudo-file system
E. uptime command
F. bottleneck
G. kill command
H. vmstat command
I. watch free command
J. /proc file system
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Usually a(n) ____________________ is used to control the number of times the loop repeats
Fill in the blank(s) with the appropriate word(s).
Reverse firewalls allow all incoming traffic except what the ACLs are configured to deny.
Answer the following statement true (T) or false (F)
Which of the following is NOT true regarding outer joins?
A) The OUTER JOIN clause returns all rows from two or more of the tables within the FROM clause, as long as those rows meet any WHERE or HAVING search conditions. B) The OUTER JOIN clause is used whenever multiple tables that are accessed through a SQL SELECT statement returns all of the records from one table and only those records from the other table where the joined fields match. C) The LEFT JOIN clause is used when you want to return all rows in the left table, even if no matching rows exist in the right table. D) The FULL OUTER JOIN clause is not supported in Microsoft Access.
When you create an adjustment layer-like the Levels adjustment layer-it is created automatically with a(n) ____.
A. midpoint adjustment B. contrast control C. opacity mask D. layer mask