Q11. Performance: In packet switching transmission over the network, we mention some factors that affect the performance of the packets: loss, delay, throughput. Briefly, describe their impact from your perspective as a user?

Q12. Network Core switching: Fill in the table below to compare between the two types of switching technologies used in the network core?

Criteria Circuit switching Packet switching

Reservation needed

Users share the same resources

Transmission speed per user compared to full link rate

Number of users supported Guaranteed delivery (i.e., no loss)

Q13. Describe the structure of todays Internet? Hint: ISPs of different tiers content provider networks access networks interconnection points