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Local Area Networks and Management

Sep 3, 2021 | Business Finance - Economics | 0 comments

Sep 3, 2021 | Business Finance - Economics | 0 comments

Local Area Networks and Management

Spring 2020 CPET 281 Local Area Networks and Management TAP 0 (3.75%) Student Name Student ID Razan almutairi 86618 Feedback/Comments: S Topic Max Points Earned Points Feedback 1 Question 1 25 2 Question 2 25 3 Question 3 25 4 Question 4 10 5 Question 5 15 Total 100 Grade: /100 Q1. Consider the following HTTP message and answer the following questions: (25 points) GET /index.html HTTP/1.1rn Host: www.example.comrn User-Agent: Firefox/3.7.16rn Accept: text/html,application/xhtml+xmlrn Accept-Language: en-us,en;q=0.5rn Accept-Encoding: gzip,deflatern Accept-Charset: ISO-8859-1,utf-8;q=0.7rn Keep-Alive: 115rn Connection: keep-alivern rn a. What type of HTTP message is this? How did you know? b. What is the complete URL? c. What is the hostname and path name? d. Is the connection persistent or non-persistent? Why? e. What port number will this message be sent to? Q2. Consider the following HTTP message and answer the following questions: (25 points) HTTP/1.1 200 OKrn Date: Sun, 26 Sep 2010 20:09:20 GMTrn Server: Apache/2.0.52 (CentOS)rn Last-Modified: Tue, 30 Oct 2007 17:00:02 GMTrn ETag: “17dc6-a5c-bf716880″rn Accept-Ranges: bytesrn Content-Length: 2652rn Keep-Alive: timeout=10, max=100rn Connection: Keep-Alivern Content-Type: text/html; charset=ISO-8859-1rn rn data data data data data … a. What type of HTTP message is this? How did you know? b. What is the operating system of this machine? c. What type of HTTP web server is this machine running? d. What can be said about the status of this message? Explain why. e. Is this connection using TCP or UDP? Explain why. Q3. Calculate the bandwidth of a TCP connection (in bytes per second) given that the congestion window size is 40 packets, where each packet is 10 bytes. The round-trip time (RTT) is equal to 15ms. (25 points) Q4. Answer the following questions: (10 points) a. What is the 32-bit binary equivalent of the IP address 200.101.4.22? b. What is the Decimal equivalent of the Binary representation of the IP address: 11001111.00000011.00001100.00010011 ? Q5. Describe all the steps that happen from the moment you enter a website name on the browser address bar and hit enter to the moment where the web page appears on your browser. (15 points) Page 1 of 4 Page 2 of 4

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