[10 points] A sender has two data items to send: (5562)16 and (BA98)16. What is the value of the checksum? (5562)16 and (BA98)16 are the hexadecimal representations of data items.

[20 points] A Reno TCP station is now in the slow-start state with cwnd = 4 MSS and ssthresh = 8 MSS. Show the values of cwnd, sstresh, and the current and the next state of the station after the following events: five consecutive nonduplicate ACKs arrived, followed by five duplicate ACKs, followed by two nonduplicate ACKs, and followed by a time-out.

[2.5 points each] Assuming odd parity, find the parity bit for each of the following data items. i. 1001011;ii. 0001100; iii. 0000010; iv. 1100111.

A real-time video performance lasts 10 min. If there is jitter in the system, the viewer spends _______ minutes watching the performance.

A nurse finds an unresponsive client in the hallway. The cardiac monitor shows ventricular fibrillation (VF). After confirming pulselessness and calling for help, what is the priority action?

A client hospitalized with COVID-19 pneumonia has SpO₂ 88%. What should the nurse do first?

What will the nurse teach a patient who is taking any type of prescription anti-hypertensive medication?

For the grammar in question 14, when it comes to the pairwise disjointness test:

Which of the following is a valid BNF grammar of the EBNF grammar in question 2?

If a newly delivered woman has had an epidural during her labor and delivery, what intervention would you recommend, based on the research literature, which would help to foster early breastfeeding?