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(C)ITM-301 Lab/Assignment-3 (4%) [Please complete Part-A and Part-B. Explain your answers in detail and submit screenshots as necessary for both parts. For the lab part, please use Command Prompt to...

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(C)ITM-301 La
Assignment-3 (4%)
[Please complete Part-A and Part-B. Explain your answers in detail and submit screenshots as necessary
for both parts. For the lab part, please use Command Prompt to complete the lab. Submit as a PDF file]
Part A: Assignment3 (2%)
Q1. For each of the following IP addresses, find i) the class of the IP address, ii) Network address using
the default subnet mask, and iii) the total number of possible IP addresses for that network: (1 * 3 = 3
points)
a XXXXXXXXXX
XXXXXXXXXX
c XXXXXXXXXX
Q2: You have been asked to design the entire cabling system for a medical instrument manufacturing
company. The company has three buildings (building A, B, and C), each 1km – 2km apart from each
other. They also have a warehouse which is 40 km away from building 'A,' and no cabling has been done
on any of the buildings. FYI buildings A, B, and C will share one internet connection, and the warehouse
will have its own internet connection. Each building has one floor and has at least 40 computers on each
of them. Now, the company wants to complete the cabling for all four buildings and exchange data
among all of them. Now answer the following: (3 points)
i) To complete cabling inside the buildings, what kind of transmission media (UTP/STP/SMF/MMF) would
you recommend?
ii) What type of transmission media (UTP/STP/SMF/MMF) would you recommend to connect the
uildings (A, B, and C)?
iii) What type of transmission media (UTP/STP/SMF/MMF) would you recommend to connect the
uildings and the warehouse?
Q3. Draw the network diagram that you have designed to solve Q2. Your diagram should show (make
sure you label them): i) MDF, ii) IDF, iii) entrance facility, iv) demarcation point, v) different types of
transmission media, vi) router, vii) switch, and viii) firewall (4 points)
Part B: Lab3 (2%)
1. "Route" command is used to manipulate or view the routing table. "route print" shows the routing
table. "route print -4" shows routing table entries with IPV4 addresses. Now, on the command prompt,
type "route print -4" (take a screenshot) and answer the following:
a) Which IP address is used to communicate with the Gateway? (1 point)
) Which destination network address identifies the default route, and what is the purpose of the
default route? (1 point)
c) What is meant by "On-link" in the Gateway column? (1 point)
2. You can use the nslookup command at the command prompt, and you will get a different prompt
where you can enter further subcommands. Like "set q=NS" will set NS as query type, and when you
type in a domain name in the next prompt, it will return the name server. So, after setting the query
type to NS, if you type google.com in the next prompt, you will get all the name server records for
google.com. Other query types you can set are "MX" for mail exchange, "A" for host IP, "CNAME" for
Canonical Name, and "All" for all information.
a) Use appropriate commands in sequence to find the DNS server names, IP address, and mail
exchange servers for the ryerson.ca domain. Include your screenshot(s). (3 Points)
) How many mail exchange servers and nameservers does stanford.edu have? Include your
screenshot(s). (1 Point)
3. Use the appropriate command to find the average round trip time to send and receive a packet from
www.cnn.com? (1 point) [attach a screenshot]
4. Use the appropriate command to find the default TTL of www.google.com? (2 points) [attach a
screenshot]
http:
www.cnn.com
http:
www.google.com
Answered Same DayFeb 28, 2022

Solution

Tejaswini answered on Feb 28 2022
31 Votes
Q1. For each of the following IP addresses, find i) the class of the IP address, ii) Network address using the default subnet mask, and iii) the total number of possible IP addresses for that network: (1 * 3 = 3 points)
a) 129.23.45.21
Class “B” IP address.
The default subnet mask is 255.255.0.0. Subnet ID is 129.23.0.0
The total number of possible IP addresses for that network is 65534.
) 220.23.120.3
Class “B” IP address
The default subnet mask is 255.255.0.0. Subnet ID is 220.23.0.0
The total number of possible IP addresses for that network is 65534.
c) 95.250.200.228
Class “A” IP address
The default subnet mask is 255.0.0.0. Subnet ID is 95.0.0.0
The total number of possible IP addresses for that network is 16777214.
Q2: You have been asked to design the entire cabling system for a medical instrument manufacturing company. The company has three buildings (building A, B, and C), each 1km – 2km apart from each other. They also have a warehouse which is 40 km away from building 'A,' and no cabling has been done on any of the buildings. FYI buildings A, B, and C will share one internet connection, and the warehouse will have its own internet connection. Each building has one floor and has at least 40 computers on each of them. Now, the company wants to complete the cabling for all four buildings and exchange data among all of them. Now answer the...
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