Exam 220-602: CompTIA A+ IT Technician Exam

QUESTION NO: 1

Which program lists information about files opened by processes and produces output that can be parsed by other programs? A+ Exams

Answer: lsof
Explanation:
Incorrect Answer: /usr/bin/lsof

QUESTION NO: 2
Which of the following best describes the format of the /etc/fstab file?

A. device name; mount point; mount options; filesystem type; dump filesystem; fsck order"
B. device name; filesystem type; mount point; mount options; dump filesystem; fsck order
C. mount point; filesystem type; device name; mount options; dump filesystem; fsck order
D. mount point; device name; filesystem type; mount options; dump filesystem; fsck order
E. device name; mount point; filesystem type; mount options; dump filesystem; fsck order

Answer: E
Explanation:
The file fstab contains descriptive information about the various file systems, fstabisonly read by programs, and not written; it is the duty of the system administrator to properly create and maintain this file. Each filesystem is described on a separate line; fields on each line are separated by tabs or spaces. Lines starting with #are comments.

The order of records in fstab is important because sequentially iterate through fstab doing their thing. Pattern of /etc/fstab is:
device mount point filesystem mountoption dump fsck order
Example
/dev/hdal/boot ext3 defaults 11

QUESTION NO: 3
A 2.6.9-ac1 kernel would be

A. someone's patch to a stable kernel.
B. someone's patch to an unstable kernel.
C. a stable kernel.
D. an unstable kernel.
E. an alpha kernel.

Answer: A
Explanation: This file is the patch file for security bugs of 2.6.9 version kernel.
This bug fixes the following bugs:
Security Fixes o Set VMJO on areas that are temporarily marked PageReserved (Serious bug)
o Lock ide-proc against driver unload Bug Fixes Working IDE locking And a great deal of review by Bartiomiejo Handle E7xxx boxes with USB legacy flaws
Functionality
o Allow booting with "irqpoN" or "irqfixup"on systems with broken IRQ tables. oSupportforsetuid core dumping in some environments (off by default) o Support for drives that don't report geometry o IT8212 support (raid and passthrough)
o Allow IDE to grab all unknown generic IDE devices (boot with "all-generic-ide")o Restore PWC driver

o Small pending tty clean-up to moxa
o Put VIA Velocity (tm) adapters under gigabit

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