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Apple 9L0-621

Mac OS X Advanced System Administration v10.5

Questions and Answers : 105
Q&A Update On : November 20, 2017
File Format : PDF
Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
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Apple 9L0-621

Mac OS X Advanced System Administration v10.5

Exam Simulator Q&A : 105
Q&A Update On : November 20, 2017
File Format : Installable Setup (.EXE)
Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
Mac Compatibility : Through Wine, Virtual Computer, Dual Boot
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    Apple 9L0-621 (Mac OS X Advanced System Administration v10.5)

    Questions and Answers : 105
    Q&A Update On : November 20, 2017
    File Format : PDF
    Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
    Mac Compatibility : All Versions including iOS 4/5/6/7
    Android : All Android Versions
    Linux : All Linux Versions
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    Apple 9L0-621 (Mac OS X Advanced System Administration v10.5)

    Exam Simulator Q&A : 105
    Q&A Update On : November 20, 2017
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    Windows Compatibility : Windows 10/8/7/Vista/2000/XP/98
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9L0-621 Questions and Answers

9L0-621


QUESTION: 91

Package installers use checksumming to enable sandboxing within the kernel of any application contained in the package installer


  1. TRUE

  2. FALSE


Answer: B


QUESTION: 92

As an Apple Certified System Administrator in Company.com. Your company has a Mac OS X Server v10.5 computer. Please point out which is the default shell in Mac OS X Server v10.5?


  1. sh

  2. csh

  3. ksh

  4. Bash


Answer: D


QUESTION: 93

As an Apple Certified System Administrator in Company.com. Your company has a Mac

OS X Server v10.5 computer. An application that you try to open quits immediately, and you suspect that its software may not have been installed properly. Which command-line tool should you use to see a list of the libraries and frameworks that the application needs in order to function properly?


  1. You should use the command-line tool grep

  2. You should use the command-line tool lsof

  3. You should use the command-line tool otool

  4. You should use the command-line tool strings


Answer: C


QUESTION: 94

As an Apple Certified System Administrator in Company.com. Your company has a Mac OS X Server v10.5 computer. Please point out which process synchronizes local time services with Internet time servers?


  1. ndp


  2. ntpd

  3. nntpd

  4. Timed


Answer: B


QUESTION: 95

As an Apple Certified System Administrator in Company.com. Your company has a Mac

OS X Server v10.5 computer. Please point out which command-line tool uses a remote- update protocol to transfer incremental changes between a file and its archive across a network connection?


  1. You should use the command-line tool rcp

  2. You should use the command-line tool asr

  3. You should use the command-line tool scp

  4. You should use the command-line tool rsync


Answer: D


QUESTION: 96

As an Apple Certified System Administrator in Company.com. Your company has a Mac

OS X Server v10.5 computer. You have a storage device connected to a Mac OS X Server v10.5 computer. Which TWO command-line tools can you use to measure the device's total storage capacity and available space?


  1. You should use the command-line tool df

  2. You should use the command-line tool du

  3. You should use the command-line tool lsof

  4. You should use the command-line tool system_profiler


Answer: A, D


QUESTION: 97

As an Apple Certified System Administrator in Company.com. Your company has a Mac

OS X Server v10.5 computer. Please point out which command will enable the file "hello_world" to execute based on the following information?

MyMac:Scripts apple$ ls-l Total 8

-rw-r??r-- 1 apple staff 31 Jul 29 13:00 hello_world MyMac:Scripts apple$ cat hello_world

#! /bin/sh


echo ???Hello World!??? MyMac:Scripts apple$


  1. exec hello_world

  2. chmod 777 hello_world

  3. sudo cp hello_world /usr/bin

  4. mv hello_world hello_world.sh


Answer: B


QUESTION: 98

As an Apple Certified System Administrator in Company.com. Your company has a Mac OS X Server v10.5 computer. Please point out which command-line tool can you use to remotely install software on a headless server?


  1. You should use the command-line tool pkgutil

  2. You should use the command-line tool installer

  3. You should use the command-line tool serversetup

  4. You should use the command-line tool packagemaker


Answer: B


QUESTION: 99

As an Apple Certified System Administrator in Company.com. Your company has a Mac

OS X Server v10.5 computer. Please point out which statement presents a benefit of enabling stealth mode for the firewall service in Mac OS X Server v10.5?


  1. Clients trying to connect to closed ports will not receive failure notifications.

  2. Outgoing packets on open ports will have their IP addresses logged to the whitelist.

  3. Incoming packets on open ports will have their IP addresses logged to the whitelist.

  4. Clients connecting to established ports will have their IP addresses removed from the TCP/IP header.


Answer: A


QUESTION: 100

As an Apple Certified System Administrator in Company.com. Your company has a Mac

OS X Server v10.5 computer. Please point out which of dawn.local's active firewall rules has the LOWEST priority?


A. 00001

B. 65534

C. 65535

D. 12303


Answer: D


QUESTION: 101

Which strategy can prevent DNS service outages due to query overload?


  1. Reduce the time interval specified for the cache-flushing variable in the DNS service's primary configuration file.

  2. Configure a secondary DNS server and place the IP address for the new server in the lookup tables of all client machines.

  3. Install an additional NIC in the DNS server and modify the BIND configuration to rotate queries between all network interfaces.


  4. 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.


Answer: B


QUESTION: 102

Which TWO command-line tools are helpful if you need to troubleshoot a reverse lookup for a primary zone?


  1. Dig

  2. Dscl

  3. Host

  4. Netstat

  5. Tcpdump


Answer: A, C


QUESTION: 103

Which procedure should an administrator perform to prevent specific users from increasing

their privileges when using the Terminal application to run restricted programs?


  1. Using a text editor, edit the /etc/authorizations file to restrict those users' access.

  2. Using Workgroup Manager, manage Terminal preferences to restrict those users' access.

  3. Using visudo as root, add entries to the ???User privileges??? section of the /etc/sudoers file to restrict those users' access.

  4. 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.


Answer: C


QUESTION: 104

In Mac OS X Server v10.5 , which command-line tool can you use to check a property list

file for syntax errors?


  1. Plutil

  2. Defaults

  3. Pmap_set

  4. Pmap_dump

  5. PlistBuddy


Answer: A


QUESTION: 105

In Mac OS X v10.5, which TWO tools can you use to take screenshots?


  1. Grab

  2. Plutil

  3. System Profiler

  4. Systemsetup

  5. Screencapture

  6. System_profiler


Answer: A, E

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