Q1) 10.0.0.X/25

What is the Subnet Mask?

What is the Network ID?

What is the Broadcast IP?

What is the First Host IP?

What is the Last Host IP?

What is the IP Range of Usable IP Addresses?

What is the purpose of the Network ID and Broadcast IP?

Q2) 10.1.1.55 /28

1. Use given CIDR/Mask to find column on Cheat Sheet a. CIDR/Subnet Mask map to each other b. Locate Group Size c. Start at 0 in relevant octet d. Increase by Group Size until you PASS target IP 2. Number BEFORE Target IP is Network ID 3. Number AFTER Target IP is the Next Network 4. The IP Address BEFORE Next Network is Broadcast 5. IP Address AFTER Network ID is First Host 6. IP Address BEFORE Broadcast IP is Last Host 7. Group Size is total # of IP Addresses a. Dont Forget to subtract 2 if needed. Network ID: _______________________________ Broadcast IP: _____________________ First Host IP: _____________________ Last Host IP: _____________________ Next Network: ___________________ # IP Addresses: ___________________ CIDR/Subnet: _____________________

10.1.1.37 /29 1. Use given CIDR/Mask to find column on Cheat Sheet a. CIDR/Subnet Mask map to each other b. Locate Group Size c. Start at 0 in relevant octet d. Increase by Group Size until you PASS target IP 2. Number BEFORE Target IP is Network ID 3. Number AFTER Target IP is the Next Network 4. The IP Address BEFORE Next Network is Broadcast 5. IP Address AFTER Network ID is First Host 6. IP Address BEFORE Broadcast IP is Last Host 7. Group Size is total # of IP Addresses a. Dont Forget to subtract 2 if needed. Network ID: _______________________________ Broadcast IP: _____________________ First Host IP: _____________________ Last Host IP: _____________________ Next Network: ___________________ # IP Addresses: ___________________ CIDR/Subnet: _____________________

Q3) 10.2.2.88 /27 1. Use given CIDR/Mask to find column on Cheat Sheet a. CIDR/Subnet Mask map to each other b. Locate Group Size c. Start at 0 in relevant octet d. Increase by Group Size until you PASS target IP 2. Number BEFORE Target IP is Network ID 3. Number AFTER Target IP is the Next Network 4. The IP Address BEFORE Next Network is Broadcast 5. IP Address AFTER Network ID is First Host 6. IP Address BEFORE Broadcast IP is Last Host 7. Group Size is total # of IP Addresses a. Dont Forget to subtract 2 if needed. Network ID: _______________________________ Broadcast IP: _____________________ First Host IP: _____________________ Last Host IP: _____________________ Next Network: ___________________ # IP Addresses: ___________________ # Usable IP Address: ______________ CIDR/Subnet: _____________________

10.2.2.111 /25 1. Use given CIDR/Mask to find column on Cheat Sheet e. CIDR/Subnet Mask map to each other f. Locate Group Size g. Start at 0 in relevant octet h. Increase by Group Size until you PASS target IP 2. Number BEFORE Target IP is Network ID 3. Number AFTER Target IP is the Next Network 4. The IP Address BEFORE Next Network is Broadcast 5. IP Address AFTER Network ID is First Host 6. IP Address BEFORE Broadcast IP is Last Host 7. Group Size is total # of IP Addresses a. Dont Forget to subtract 2 if needed. Network ID: _______________________________ Broadcast IP: _____________________ First Host IP: _____________________ Last Host IP: _____________________ Next Network: ___________________ # IP Addresses: ___________________ # Usable IP Address: ______________ CIDR/Subnet: _____________________

10.2.2.20 /30 1. Use given CIDR/Mask to find column on Cheat Sheet a. CIDR/Subnet Mask map to each other b. Locate Group Size c. Start at 0 in relevant octet d. Increase by Group Size until you PASS target IP 2. Number BEFORE Target IP is Network ID 3. Number AFTER Target IP is the Next Network 4. The IP Address BEFORE Next Network is Broadcast 5. IP Address AFTER Network ID is First Host 6. IP Address BEFORE Broadcast IP is Last Host 7. Group Size is total # of IP Addresses a. Dont Forget to subtract 2 if needed. Network ID: _______________________________ Broadcast IP: _____________________ First Host IP: _____________________ Last Host IP: _____________________ Next Network: ___________________ # IP Addresses: ___________________ # Usable IP Address: ______________ CIDR/Subnet: _____________________

10.2.2.199 /26 1. Use given CIDR/Mask to find column on Cheat Sheet e. CIDR/Subnet Mask map to each other f. Locate Group Size g. Start at 0 in relevant octet h. Increase by Group Size until you PASS target IP 2. Number BEFORE Target IP is Network ID 3. Number AFTER Target IP is the Next Network 4. The IP Address BEFORE Next Network is Broadcast 5. IP Address AFTER Network ID is First Host 6. IP Address BEFORE Broadcast IP is Last Host 7. Group Size is total # of IP Addresses a. Dont Forget to subtract 2 if needed. Network ID: _______________________________ Broadcast IP: _____________________ First Host IP: _____________________ Last Host IP: _____________________ Next Network: ___________________ # IP Addresses: ___________________ # Usable IP Address: ______________

CIDR/Subnet: _____________________