More Revision !! Flashcards
What are the 3 mail agents
Transport delivery user
Mail — agent
What are the 3 share permissions
Read full change
What are the NTFS permissions
Full control, modify, read and execute, list folder contents, read, write
What is an IRQ
Interrupt request, between 0-31. Get the attention of a processor when a device needs more processing
What is DMA
Direct memory access. Number 0–8. Request sent to processor when a device needs more ram
What are the two system resources?
DMA and IRQ
What does a black exclamation mark next to a driver mean?
Missing driver
What does a downwards black arrow mean next to a driver?
Disabled driver
What are services?
Background processes that keep alive the OS, apps, and utilities
What is a server baseline?
Snapshot of your servers performance under normal work conditions
What is a counter?
Provides performance info on the OS, application, services or driver
What does task manager do
Monitor processes, performance and services
What is NIC teaming
Allows more bandwidth to/from server
What is NLB (network load balancing)
Distribute network load across servers
What is network separation
Separate internet/intranet traffic
(Brown, read the answer again. They are not the same thing)
What is ECC
Error correcting code. Enables you to detect and correct memory faults
What is cache
Processor memory
What are LMHOSTS responsible for mapping
DNS
What are hosts responsible for mapping
IP addresses
What is wordsize responsible for
Data bus size, instructions size and address size
