1. UDP is a connection-oriented protocol? a. TRUE b. FALSE 2. technique is added to each data segment to detect bit errors. a. Web Caching b. Cookies c. Checksum d. NAK-ACK 3. In a NAK only protocol, the loss of packet "X"is only detected by the receiver when packet is received. a. x-1 D. X + 1 . What is the one's complement of 01000000? a. 10111 b. 01000001 d. 11110000 5. To find out whether an arriving packet contains new data or is a retransmission, a receiver requires a. Checksum b. ACK-NAK c. Timeout d. Sequence numbers 6. Most firewalls are configured to block UDP traffic, but not TCP traffic. a. TRUE b. FALSE 7. In the protocol rdt 3.0., the ACK loss/delayed ACK is address by a. Checksum b. ACK-NAK c. Timeout d. Sequence numbers 8. What is the checksum for two bytes data in a packet: First byte 01010100; second byte - 01101101? a. 01101100 b. 01011101 c. 00110110 d. 00011010 9. In TCP Tahoe, a packet loss always sets cwnd (congestion window) to a. True b. False 10. In TCP Reno, after a packet loss the cwnd (congestion window) is cut in half window then grows exponentially. a. True b. False