6. In Selective Repeat, if the receiver missed frame I, what would be its response when receiving out-of-sequence frames 2 and 3? a) Keeps silent b) Sends NAKI and ACKI, respectively c) Sends NAK 1 and ACK 4, respectively d) Sends NAK 4 and ACK 4, respectively e) It depends on the receive window 7. In SR with send and receive windows of 5 and 3, if the receiver gets a second out-of-order frame 6, after not receiving frame 3, receiving frame 4, and not receiving frame 5, it: a) Sends a NAK 3 b) Sends a NAK 6 c) Sends an ACK 6 d) Stores frame 6 e) Discards frame 6 8. The pseudo header of the TCP checksum contains a) Send and receive port numbers b) Send and receive socket IDs c) Send and receive IP addresses d) The IP packet field upper layer protocol" e) a and c f) c and d g) all the above 9. For a TCP connection, the advertised window is 1 Mbytes and the congestion window is 0.5 Mbyets. Consider a segment payload size of 40 kilobits, the sender is allowed to transmit how many unacknowledged segments? a) 12 segments b) 24 segments c) 100 segments d) 200 segments e) 0.5 million segments f) 1 million segments g) None of the above is correct 10. The TCP uses a sawtooth like segment transmission for a) Flow control b) Congestion control c) Both a and b d) None of the above is correct