Summary
The OpenBoot PROM monitor is one of the outstanding features of the SPARC architecture. It allows a wide range of system parameters to be configured using a high-level programming language that is independent of the installed operating system. A wide range of diagnostic and testing applications are included with OpenBoot.
Questions
1.
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How can the default boot device be set to CD-ROM from the OpenBoot PROM monitor?
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setenv boot-device cdrom
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set boot-device cdrom
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set boot cdrom
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setenv bootdevice cdrom
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2.
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How can the default boot device be set to disk from the OpenBoot PROM monitor?
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setenv boot-device disk
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set boot-device disk
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set boot disk
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setenv bootdevice disk
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3.
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How can the default boot device be set to net from the OpenBoot PROM monitor?
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setenv boot-device net
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set boot-device net
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set boot net
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setenv bootdevice net
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4.
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How can the default boot device be set to tape from the OpenBoot PROM monitor?
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setenv boot-device tape
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set boot-device tape
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set boot tape
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setenv bootdevice tape
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5.
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How can the default boot device be set to floppy from the OpenBoot PROM monitor?
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setenv boot-device floppy
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set boot-device floppy
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set boot floppy
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setenv bootdevice floppy
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6.
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How can a reconfiguration boot be performed from the OpenBoot PROM monitor?
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boot -configure
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boot -configure
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boot -reconfigure
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boot -r
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7.
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How can a manual boot be performed from the OpenBoot PROM monitor?
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boot -manual
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boot -man
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boot -a
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boot -m
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8.
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How can the system clock be tested from the OpenBoot PROM monitor?
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watch-time
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watch-clock
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test-clock
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test-time
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9.
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How can the network connection be tested from the OpenBoot PROM monitor?
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watch-network
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watch-net
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test-net
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test-network
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10.
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How can a reconfiguration boot be performed from a shell?
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touch /reconfigure; init 6
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init 5
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shutdown
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startup
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Answers
1. |
A. The setenv command must be used in conjunction with the boot-device variable for the token cdrom.
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2. |
A. The setenv command must be used in conjunction with the boot-device variable for the token disk.
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3. |
A. The setenv command must be used in conjunction with the boot-device variable for the token net.
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4. |
A. The setenv command must be used in conjunction with the boot-device variable for the token tape.
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5. |
A. The setenv command must be used in conjunction with the boot-device variable for the token floppy.
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6. |
D. The boot command must have the -r (reconfigure) option passed.
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7. |
C. The boot command must have the -a (manual) option passed.
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8. |
B. The watch-clock command can be used to "watch" the system clock.
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9. |
B. The watch-net command can be used to "watch" the packets on the primary network interface.
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10. |
A. You must create the /reconfigure file before giving the reboot command.
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