Subnneting, Masking Address

timer Asked: Apr 27th, 2017

Question description


Total Marks: 50

Number of Questions: 8

There are two types of questions: Part A: essay questions and Part B: simulation questions.

Please complete all the questions and submit your word or PDF file PLUS packet tracer file via Turnitin before the due date.

Where you refer to external sources of information they should be correctly referenced according to APA 6th style.

Part A

Question 1: (6 marks)

Produce and supply a screen shot of the local area connection properties of your computer. Based on your local information, please answer the following questions: What is your local machine’s default gateway IP address? (1 mark) What is the purpose of having a default gateway? (2 marks) What is your subnet mask? (1 mark) Based on the given subnet mask, what is the maximum number of devices within your same subnet ? (show your workings) (2 marks)

Question 2: (5 marks)

In your local machine CLI window, ping your default gateway and ping Once successful, type the command “arp – a” Take a screen shot of the output (1 mark) and explain the first two lines as examples. (1 mark) What does ARP stand for ? (1 mark) why do we need ARP?( 2 marks)

Question 3: (2 marks)

Issue “netstat -r” command in the CLI window, screen shot the IPv4 and IPv6 tables and explain the table content row-by-row.

Question 4: (2 marks)

Peter has bought a Cisco switch of model 2960. He found that he can’t access the switch as it was protected by a password. Please advise him with the correct password recovery procedure and commands to clean up the old configuration.

Part B:

A small business, Smart Office Services Pty Ltd, has its central office (HQ) and two branch offices (Branch 1 and Branch 2) linked via serial leased lines using routers. The network topology is given as follows. It is required that: 1) You will be assigned a single IP to configure this network. 2) You must e-mail your lecturer to request an IP address. Once you have received your allocated IP address you need to reply with a confirmation e-mail. Study the network topology, examine the network requirements, set up the network in Packet Tracer and complete all four sub-questions. Keep in mind that IP addresses will be needed for each of the LAN interfaces.

Question 5: (10 marks)

Follow VLSM scheme to identify the different subnets according to network requirements. Please analyse and design the best IP addressing scheme. Create a table which lists the following information: Router Interfaces/ IP Address (Highest)/ IP Address (Lowest)/ Subnet Mask/ Default Gateway). Please show working out. Note: The lowest IP addresses of each subnet should be given to the PCs. The highest IP addresses of each subnet are given as the default gateway.

Question 6: (15 marks)

Follow previous questions’ requirement, set up your network in Packet Tracer simulation software. Configure the three (3) routers: - name the routers and label them as HQ, Branch1 and Branch 2 (2 marks) - set the secret password as ‘class’ on all routers (2 mark) - configure interfaces/ PCs (2 marks) - configure TELNET on the HQ router with a password of ‘CISCO’ and (a suitable) MOTD (3 marks) - Verify basic configuration and router operations (3 marks) - What are the main components of a Cisco router? ( 1 mark ) - If you need to keep back up of IOS of the routers. Please advise the two methods with correct procedures.(2 marks)

Question 7: (3 marks)

Configure the other PCs and configure the necessary static routes (such as IP route exit interface) on three routers to make a successful connection between routers. “Show ip route” check and screen shot each router’s routing table.

Question 8: (5 marks)
PING from PC6 in LAN6 to PC4 in LAN4 (checked in Packet Tracer file). What protocol is used by PING? What are the names of two PING messages? Provide screen shots of successful ping (2 marks) Record the information flow in EVENT LIST of simulation and explain the PDU information such as TYPE and involved layers in each stage (3 marks)

Note: 2 marks are given to the correct referencing.


This assessment task covers topics (IP Addressing, VLSM design, Router Configuration and basic Routing) and has been designed to ensure that you are engaging with the subject content on a regular basis.

This task will assess the following learning outcomes:

  • be able to explain the critical concepts in Local Area Networks;
  • be able to describe and design the addressing and naming schemes of data networks;
  • be able to analyse the communication processes across different levels in the layered architecture;
  • be able to design, calculate and apply subnetting in IP networks;
  • be able to perform and analyse tasks related to basic network configuration and testing.

More specifically it seeks to assess your ability to:

  • design a subnet plan for a small company network including several routers and subnets;
  • Analysis routing problems that can occur in complex networks;
  • correctly identify and evaluate the functionality and limitations of different devices used in computer networks;
  • evaluate network performance;
  • perform basic router configuration of security passwords and interfaces;
  • configure simple routing.

Subnneting, Masking Address
Subnneting, Masking Address
Subnneting, Masking Address
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