Domain 6 Flashcards
Which statement regarding the operating system Kernel is false?
a) The Operating system Kernel is loaded in Read Only Memory (ROM) and CA OT be modified.
b) The operating system Kernel provides services for other parts of the operating system.
c) User applications run in user mode and use system calls to request kernel services.
The Operating system Kernel is loaded in Read Only Memory (ROM) and CA OT be modified
Regarding applications, which statement below is true?
a) User mode applications can directly access the disk.
b) User application run in Kernel privileged mode.
c) User mode applications must use system calls for disk access.
User mode applications must use system calls for disk access
Regarding Operating System protection mechanisms, which statement false?
a) In ring layer protection the innermost ring are most trusted by the Operating System.
b) User mode applications must use Kernel system calls for disk access.
c) In ring layer protection the outermost ring is least trusted by the Operating System.
d) Abstraction allows multi user systems to operate without one users’ process being able to control another users’ process.
Abstraction allows multi user systems to operate without one users’ process being able to control another users’ process
Which OS protection mechanism is necessary for multi-user security?
a) Layering
b) Process isolation
c) Abstraction
Process isolation
Which of the following Evaluation Assurance Levels (EAL) has the following rating: Functionally Tested?
a) EAL 1
b) EAL 4
c) EAL 3
d) EAL 2
EAL 1
What was ISO 17799 originally called?
a) BS7799
b) TCSEC 17799
c) ITSEC7799
d) TCB 79
BS7799
Which of the following statements about Dynamic RAM (DRAM) is TRUE?
a) DRAM is expensive compared to other types of RAM.
b) DRAM is read only.
c) DRAM is persistent in that the data remains after a reboot.
d) DRAM data is rewritten thousand of time each second.
DRAM data is rewritten thousand of time each second
Which of the following statements comparing Static RAM (SRAM) to Dynamic RAM (DRAM) is TRUE?
a) SRAM is slower than DRAM.
b) SRAM is read-only, while DRAM is read-write.
c) SRAM is more expensive than DRAM.
d) SRAM is volatile, while DRAM is non-volatile.
SRAM is more expensive than DRAM
When comparing Dynamic RAM (DRAM) and Static RAM (SRAM) , which of the following statements is TRUE?
a) DRAM is more expensive than SRAM.
b) DRAM does not require constant refresh cycles while SRAM does.
c) DRAM is slower than SRAM.
d) DRAM is volatile, while SRAM is non-volatile.
DRAM is slower than SRAM
Which of the following choices is defined as the security relevant parts of a system including access control mechanisms, reference monitors, the kernel, and protective mechanisms?
a) ISO 17799
b) ITSEC
c) TCSEC
d) TCB
TCB
Which of the following terms is the simplest form of addressing?
a) Register direct addressing
b) Direct addressing
c) Register indirect addressing
d) Indexed addressing
Direct addressing
Which of the following types of addressing never refers to main memory?
a) Direct addressing
b) Indexed addressing
c) Register direct addressing
d) Register indirect addressing
Register direct addressing
What is the process of moving data to and from the hard drive, either writing to RAM or the physical disk, known as?
a) Read Only Memory
b) Paging
c) Page fault
d) Memory addressing
Paging
What is the request called that moves memory data to and from the hard disk?
a) Page fault
b) Paging
c) Memory addressing
d) Static RAM
Page fault
Which of the following is used to store firmware?
a) Random Access Memory (RAM)
b) Read Only Memory (ROM)
c) Virtual Memory
d) Programmable Read Only Memory (PROM)
Programmable Read Only Memory (PROM)
