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1. Which of the following commands is used to view the summary of CPUs in the system?
- cpustat
- more /proc/cpuinfo
- ls -cpu
- lscpu
2. What is the maximum memory that a 64 bit processor can theoretically use?
- 16 EiB
- 8 GiB
- 2 GiB
- 4 GiB
3. Which command is used to view the summary of the RAM and swap space?
- du
- lsmem
- iostat
- free
4. Which of the following is not a characteristic of firmware?
- Change settings to affect the use of external devices
- Change runlevels
- Tests the components upon startup
- Typically stored in ROM
5. Which of the following is not a mass storage device?
- FireWire
- SATA drive
- USB
- Thunderbird
6. Coldplug devices are devices that are connected when the power is off.True or False?
- True
- False
7. To use “plug and play”, which components must support hotplugging that device?
- Device Driver, Interface, Operating System
- Device, Interface, Operating System, RAM
- Device Driver, Interface, ROM
- Device Driver, USB, Operating System
8. Which of the following resources are used by devices to communicate with the system?
- IO Channels, IO Memory, Interrupts and DMA Ports
- IO Ports, RAM, Interrupts and DMA Channels
- IO Ports, IO Memory, Interrupts, and DMA Channels
- IO Ports, IO Memory, Signals and DMA Channels
9. Interrupts cannot be shared between devices.True or False?
- True
- False
10. Which of the following commands is used to view the network interface controller connected on the PCI bus?
- lsmod
- lsusb
- lspci
- lsnet
11. Which of the following commands is used to view the details of an external drive connected to a USB port?
- lsusb -v
- lsusb-u
- lspci -u
- lsmod -u
12. Which option of the lspci command would you use to troubleshoot a network interface card?
- -nn
- -r
- -t
- -a
13. The _____ is a kernel module used by the kernel to manage hardware devices.
- Driver
- Configuration file
- Subsystem
- Interface
14. Which of the following is not a function of the udev subsystem?
- Create device node when a new device is connected
- Maintain psuedo filesystem in the /dev directory
- Remove device node when a device is removed
- Maintain log files
15. HALD is the abbreviation for:
- Hardware Abstraction Layer Driver
- Hardware Abstraction Layer Daemon
- Hardware Availability Layer Daemon
- Hardware Attribute Layer Daemon
16. What is the notification mechanism used to inform programs about a change in state of hardware devices?
- DBUS sends notifications to HALD
- HALD uses dbus to send notifications
- Programs query HALD directly
- DBUS forwards queries from programs to HALD
17. Which of the following is not true about kernel modules?
- They can be compiled into the kernel itself
- They are loaded automatically by the kernel
- They are software to support devices
- They are plug and play hardware devices
18. The _____ command is used to load a module along with its dependencies.
- insmod
- modprobe
- ldmod
- lsmod
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