MacBookPro Switch to External Start-Up w/0 Adm. Rights?

I have a laptop that I do not have administrative rights to from work. I have permission to use the laptop at home. I would like to boot to an external dual SATA drive using firewire. I've ordered an enclosure from OWC.
Here is my question. Can the System Prefs. for Start-Up Drive be unlocked and left unlocked by the Sys. Adm.? Will this remain unlocked after re-boot?
If not, I remember some kind of re-start key combo. that used to show bootable drives. Does anyone know the key command sequence. Would this basically allow me to boot off of an external drive without having adm. rights?
That way I could use the machine to my heart's content and install software without distrurbing the hard drive in the laptop.

Hold down the Option key while booting up. You'll see a panel of startup disk options. This will work so long as an Open Firmware/EFI password hasn't been set on the system - ask your sys. admin if this is the case.
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    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Dhcp-Client        1004      
    Service State Event
    Error      6/11/2014 9:35:13 PM   
    Dhcp-Client        50038   
    Service State Event
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7023       None
    Error      6/11/2014 9:35:13 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    Dhcp-Client        1004      
    Service State Event
    Error      6/11/2014 9:35:13 PM   
    Dhcp-Client        50038   
    Service State Event
    Error      6/11/2014 9:35:12 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:35:13 PM   
    DistributedCOM              
    10005    None
    Error      6/11/2014 9:34:52 PM   
    Service Control Manager             
    7024       None
    Error      6/11/2014 9:34:52 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:34:49 PM   
    Eventlog             
    1101       Event processing
    Error      6/11/2014 9:34:47 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:34:45 PM   
    Service Control Manager             
    7023       None
    Error      6/11/2014 9:34:45 PM   
    Service Control Manager             
    7023       None
    Error      6/11/2014 9:34:41 PM   
    Service Control Manager             
    7001       None
    Error      6/11/2014 9:34:41 PM   
    Service Control Manager             
    7023       None
    Error      6/11/2014 9:34:41 PM   
    VSS        8193      
    None
    Error      6/11/2014 9:34:40 PM   
    Service Control Manager             
    7023       None
    Error      6/11/2014 9:34:40 PM   
    Dhcp-Client        1004      
    Service State Event
    Error      6/11/2014 9:34:40 PM   
    Dhcp-Client        50038   
    Service State Event
    Error      6/11/2014 9:34:38 PM   
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    EventLog            
    6008       None
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    Kernel-Power    41          
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    EventLog            
    6008       None
    Error      6/11/2014 1:07:22 PM   
    WMI      10          
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    Error      6/11/2014 1:07:14 PM   
    DistributedCOM              
    10016    None
    Error      6/11/2014 1:05:59 PM   
    Eventlog             
    1101       Event processing
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    Shell-AuthUI      5007      
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    (63)
    Error      6/11/2014 1:05:58 PM   
    EventLog            
    6008       None
    Error      6/11/2014 1:02:17 PM   
    Diagnostics-Performance            
    300         Standby Performance Monitoring
    Error      6/11/2014 1:02:15 PM   
    WLAN-AutoConfig          
    8002       AcmConnection
    Error      6/11/2014 1:02:15 PM   
    WLAN-AutoConfig          
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