Mac Os X Advanced System Administration V10.5 Sample Test
Mac OS X Advanced System
Administration v10.5
Sample Test
The Mac OS X Advanced System Administration v10.5 Exam (Prometric exam no.
To Register
9L0-621) is a computer-based test offered at Apple Authorized Training Centers and
This exam is offered at Apple
Authorized Training Centers and
Prometric Testing Centers.
Prometric Testing Centers worldwide.
For information on exam registration,
The exam is one of four required exams in the Apple Certified System Administrator
please visit training.apple.com/
(ACSA) 10.5 certification track. You must pass this exam, the Mac OS X Server
certification.
Essentials v10.5 Exam, the Mac OS X Deployment v10.5 Exam, and the Mac OS X
To learn more about Apple training
Directory Services v10.5 Exam to become ACSA 10.5 certified.
offerings that can help you prepare for
certification, please visit
training.apple.com.
This Sample Test presents ten questions similar in style and content to those
presented in the Mac OS X Advanced System Administration v10.5 Exam. Reviewing
these Sample Test questions can familiarize you with the type of questions posed in
the exam. Questions on the exam will vary in content and may be more or less
difficult than these.
Please visit the ACSA certification page (training.apple.com/certification/acsa) and
download the Mac OS X Advanced System Administration v10.5 Exam Skills
Assessment Guide for a detailed description of the exam, including reference text
title, learning objectives, number of questions, time limit, and required score.
To use this Sample Test, answer the questions below, then refer to the answer key
at the end of this document. Please note that UNIX commands and processes are
shown in monotype in this Sample Test and in the actual exam. Also, a calculator
will be available for certain test items that require you to perform arithmetic
calculations.
Sample Questions
1. In an environment where a server is providing services to connected
clients, which statement best defines “utilization”?
A. The total capacity of various resources, such as CPU processor cycles,
RAM, bandwidth, and storage
B. The amount of usage of various resources, such as CPU processor
cycles, RAM, bandwidth, and storage
C. The ratio of usage to capacity of various resources, such as CPU
processor cycles, RAM, bandwidth, and storage
D. The difference between usage and capacity of various resources,
such as CPU processor cycles, RAM, bandwidth, and storage
Sample Test
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Mac OS X Advanced System Administration v10.5 Exam
2. In an environment in which a server is providing services to connected
clients, which statement best defines “headroom”?
A. The total capacity of various resources, such as CPU processor cycles,
RAM, bandwidth, and storage
B. The amount of usage of various resources, such as CPU processor
cycles, RAM, bandwidth, and storage
C. The ratio of usage to capacity of various resources, such as CPU
processor cycles, RAM, bandwidth, and storage
D. The difference between usage and capacity of various resources,
such as CPU processor cycles, RAM, bandwidth, and storage
3.
Review the Xserve configuration details and specifications, then
answer the question below.
Xserve (Early 2008):
Two 3.0 GHz Quad-Core Intel Xeon processors
Three 300 GB SAS Apple Drive Modules @ 15,000 rpm
Eight 4 GB 800 MHz DDR2 ECC fully-buffered DIMMs (RAM)
Xserve RAID card
ATI Radeon X1300 Graphics with 64 MB RAM
(no PCI cards)
Power Consumption
Thermal Output
CPU+Disk
CPU+Disk
Idle
CPU Max
Idle
CPU Max
Max
Max
300 W
395 W
409 W
1021 BTU/h 1344 BTU/h 1391 BTU/h
What is the maximum number of Xserves, configured as described
above, that can power up from a UPS with a maximum rating of
3000VA?
A. 4
B. 5
C. 6
D. 7
4. Which TWO tools can you use to determine the availability of services
being provided by a Mac OS X Server v10.5 computer?
A. iostat
B. tcpdump
C. netstat
Sample Test
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Mac OS X Advanced System Administration v10.5 Exam
D. Server Admin
E. Server Monitor
F. serveradmin
5. You should review the contents of which TWO folders to understand
the upgrade history of a Mac OS X Server v10.5 computer?
A. /var/log/
B. /etc/swupd/
C. /var/db/swupd/
D. /Library/Receipts/
E. /System/Library/Receipts/
6. Which strategy can prevent DNS service outages due to query
overload?
A. Reduce the time interval specified for the cache-flushing variable in
the DNS service's primary configuration file.
B. Configure a secondary DNS server and place the IP address for the
new server in the lookup tables of all client machines.
C. Install an additional NIC in the DNS server and modify the BIND
configuration to rotate queries between all network interfaces.
D. Restrict access to DNS service by creating a Service ACL that causes
your DNS server(s) to ignore queries from IP addresses in the
blacklist.
7.
Which TWO command-line tools are helpful if you need to
troubleshoot a reverse lookup for a primary zone?
A. dig
B. dscl
C. host
D. netstat
E. tcpdump
8. Which procedure should an administrator perform to prevent specific
users from increasing their privileges when using the Terminal
application to run restricted programs?
A. Using a text editor, edit the /etc/authorizations file to restrict those
users' access.
B. Using Workgroup Manager, manage Terminal preferences to restrict
those users' access.
C. Using visudo as root, add entries to the “User privileges” section of
the /etc/sudoers file to restrict those users' access.
D. Create a file system ACL on the directory that contains the programs
whose use you want to restrict, and exclude those users from the
ACL group assigned to that folder.
Sample Test
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Mac OS X Advanced System Administration v10.5 Exam
9.
In Mac OS X Server v10.5 , which command-line tool can you use to
check a property list file for syntax errors?
A. plutil
B. defaults
C. pmap_set
D. pmap_dump
E. PlistBuddy
10. In Mac OS X v10.5, which TWO tools can you use to take screenshots?
A. Grab
B. plutil
C. System Profiler
D. systemsetup
E. screencapture
F. system_profiler
Sample Test
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Mac OS X Advanced System Administration v10.5 Exam
Answer Key
1. C
2. D
3. A
4. DF
5. AD
6. B
7. AC
8. C
9. A
10. AE
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specifications are subject to change without notice. July 2008
