CompTIA A+ Core 1: RAM & Storage Solution

Question 1

What is the maximum bandwidth for DDR4 memory?

Answer 1

25,600 MBps

Question 2

In which use cases would you most likely benefit from using virtual memory?

Answer 2

When your system does not have enough RAM installed

Question 3

If your system supports dual channel memory, and has four physical slots, in which configuration should the memory modules be installed if you only have two modules?

Answer 3

One in channel A, and one in channel B

Question 4

Which of the following characteristics would be not be attributed to a solid-state drive?

Answer 4

Less expensive

Question 5

What is the maximum storage capacity for a typical compact disc (CD)?

Answer 5

650-700 megabytes

Question 6

What is the overall bus width for a system that uses single channel memory?

Answer 6

64 bits

Question 7

Which RAID configuration is typically implemented with 2, and only 2 disks?

Answer 7

1

Question 8

At which voltage does DDR5 memory operate?

Answer 8

1.1V

Question 9

In which use cases would you most likely benefit from using virtual memory?

Answer 9

When your system does not have enough RAM installed

Question 10

If your system supports quad channel memory, and you have six physical memory modules, which is the optimal channel configuration that should be used?

Answer 10

Triple channel

Question 11

If a byte is written to an ECC memory module that has four-bit values set to 1, and four set to 0, which type of parity information will be used?

Answer 11

Even parity

Question 12

What is the most common platter rotation speed for a hard drive found in a desktop computer?

Answer 12

7200 RPM

Question 13

If a DDR3 memory module is labelled “DDR3-1600”, to which value does the 1600 refer?

Answer 13

Million transfers per second (MT/s)

Question 14

What is the overall bus width for a system that uses triple channel memory?

Answer 14

192 bits