1. In ARQ, a NAK is sent by the recipient if the message was received incorrectlY? True/False
2. Distance vector routing finds the quickest, least busy route to take?
3. In an Ethernet frame, the frame check sequence (FCS) (or CRC-32) field provides erro detection?
4. Which of the following is not an error pervention technique?
B- Lower the transmission speed
C- All are erro prevention techniques
5- In which type of modulation is the height of the wave changed?