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Consider the high-level steps required for a user just entering a network to dis

ID: 3596971 • Letter: C

Question

Consider the high-level steps required for a user just entering a network to display the webpage of www.facebook.com. On the left side are the ordered step numbers, and on the right side are potential steps required. Match the steps to the order in which they are executed (i.e., put the operations in order).

Receive HTTP response(s) from www.facebook.com

Send HTTP request to www.facebook.com

Request local address via DHCP

Display the webpage to the user

User types www.facebook.com into their web browser

DNS query/reply for www.facebook.com to obtain IP address

Repeat Steps 5 and 6 for all embedded objects

Initiate TCP connection to www.facebook.com

Explanation / Answer

1. Request local address via DHCP

2. User types www.facebook.com into their web browser

3. DNS query/reply for www.facebook.com to obtain IP address

4. Initiate TCP connection to www.facebook.com

5. Send HTTP request to www.facebook.com

6. Receive HTTP response(s) from www.facebook.com

7. Repeat Steps 5 and 6 for all embedded objects

8. Display the webpage to the user