Q: Which of the following is not a parameter of UART communication?

• Baud rate
• Parity
• Clock speed
• Data bits

Correct answer
Clock speed


Q: It is possible to get root shell access through UART

• True
• False

Correct answer
True


Q: JTAG stands for

• Joint Test Action Group
• Joint Test and Assembly Group
• Joint Test and Analysis Group
• Joint Test and Assembly Global

Correct answer
Joint Test Action Group


Q: JTAG can be used for In-circuit debugging but not for programming the device

• True
• False

Correct answer
False


Q: What is the debug protocol supported by JTAGulator?

• JTAG and UART
• Only SWD
• JTAG and SWD
• None of the above

Correct answer
JTAG and UART


Q: Which is the true statement?

• Firmware can be extracted from internal flash memory but cannot be re-flashed back in the memory through JTAG
• Firmware can be extracted from internal flash memory and can be re-flashed back in the memory through JTAG
• Firmware cannot be extracted from internal flash memory but can be flashed in the memory through JTAG
• None of the above is true

Correct answer
Firmware can be extracted from internal flash memory and can be re-flashed back in the memory through JTAG


Q: I2C protocol is a master to slave communication protocol where each slave has got unique address

• True
• False

Correct answer
True


Q: I2C is faster than SPI protocol

• True
• False

Correct answer
False


Q: Which are the possible attacks on I2C

• Extracting data from I2C chips
• Sniffing data
• Data manipulation
• All the above

Correct answer
All the above


Q: SPI is a

• 2 wire protocol
• 3 wire protocol
• 4 wire protocol
• None of the above

Correct answer
4 wire protocol


Q: SPI has
• 2 modes
• 4 modes
• 6 modes
• 2 modes

Correct answer
4 modes


Q: Data extraction from SPI chip and signal sniffing are possible attack on SPI

• True
• False

Correct answer
True


Q: EXPLIoT Nano supports SPI protocol and can be used for extracting data from the SPI chips

• True
• False

Correct answer
True