MIL-STD-1553B, RAID, etc.

Question 1

Define MIL-STD-1553B

Answer 1

A multiple redundant balanced line with TDM that uses a half-duplex command/response protocl and can interface up to 30 remote terminals

Question 2

What are the 6 types of transfer on MIL-STD-1553B

Answer 2

Controller to RT Transfer
RT to Controller Transfer
RT to RT Transfer
Mode Command Without Data Word
Mode Command With Data Word (Transmit)
Mode COmmand with Data Word (Recieve)

Question 3

Define NTDS Type-E

Answer 3

Naval Tactical Data System Type-E

Provides asynchronous serial data transfer at 10Mb/s and uses Manchester encoding

Question 4

Define Super Channel

Answer 4

A Dense Wavelength Division Multiplexing (MWDM) scheme that combines coherent optical carriers to create a unified channel with a high data rate.

Question 5

Define RAID

Answer 5

Redundant Array of Independant Disks

Protects stored data against read erros and hardware faults.

Question 6

What is RAID 0?

Answer 6

Striping only.

Faster read/write times, no protection.

Question 7

What is RAID 1?

Answer 7

Mirroring only.

Slow read time but provides protection.

Question 8

Define RAID 2

Answer 8

Bit level striping with parity

Question 9

Define RAID 3

Answer 9

Byte level striping with parity

Question 10

Define RAID 4

Answer 10

Block Level striping, with parity

Question 11

Define RAID 5

Answer 11

Block level striping with distributed parity.

Minimum 3 drives required.

Question 12

Define RAID 6.

Answer 12

Block level striping with double distributed parity.

Question 13

Define RAID 10.

Answer 13

RAID 5 twice (mirroring)