You are given the network number of 86.30.88.0/20 with the following arrangement. (12 hosts) (30 hosts) You will need to create 4 subnets: Subnet A: 30 hosts Subnet B: 55 hosts Subnet C: 12 hosts Subnet D: 65 hosts (65 hosts) M (55 hosts) Finally, for each subnet created, you need to calculate and show: • The first, last and broadcast address The subnet mask • Allocate IP numbers

You are given the network number of 86.30.88.0/20 with the following arrangement. (12 hosts) (30 hosts) You will need to create 4 subnets: Subnet A: 30 hosts Subnet B: 55 hosts Subnet C: 12 hosts Subnet D: 65 hosts (65 hosts) M (55 hosts) Finally, for each subnet created, you need to calculate and show: • The first, last and broadcast address The subnet mask • Allocate IP numbers

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider the following non-default subnet masks: (a) 255.255.248.0, (b) 255.128.0.0 . To which IP address class do they pertain?Write down the following in CIDR notation: (a) IP: 150.160.170.180, Subnet Mask:255.255.224.0; (b) IP: 75.80.85.90, Subnet Mask: 255.252.0.0 Three stations A, B, C and D are connected to a common Ethernet hub. Their IPaddresses and subnet mask are respectively: 200.100.50.67, 255.255.255.252;200.100.50.7, 255.255.255.248; 200.100.50.138, 255.255.255.240 and 200.100.50.1,255.255.255.254. Determine which among these stations can communicate with eachother. You need to show all detailed workings.
59- A network for a local office requires 4 LAN subnets as follows: · Subnet A - North Office with 31 hosts; · Subnet B - East Office with 15 hosts; and · Subnet C - South Office with 7 hosts. · Subnet D – West Office with 4 hosts. Given the IP Address 192.168.15.0 /24 and above described network requirements: 1. Design an optimal address scheme using Variable Length Subnet Mask (VLSM) method What will be the subnet mask of Subnet D? Select one: a. 255.255.255.192 b. 255.255.255.248 c. 255.255.192.192 d. 255.255.192.0 e. 255.255.128.255
Given the IP address 180.15.128.0/20. Now, using the given IP address space create five subnets in such a way so that less number of IP address is wasted for each subnet and the subnets will have the following number of hosts SubnetA - 23 hostsSubnetB - 50 hostsSubnetC - 2 hostsSubnetD - 6 hostsSubnetE - 10 hostsNow find out the following for each subnet: a) Network ID b) Broadcast address c) First usable IP address d) Last usable IP address e) Subnet mask Here, while solving the question make sure you are saving IP addresses. For example, SubnetA needs 23 hosts so in SubnetA you can allocate maximum 30 hosts. Follow the table for all the allowed number of hosts and required number of host bits for each subnet: Name of Subnet Maximum number hosts you can allocate Length of Host bits in the IP address cannot exceed SubnetA 30 5-bits SubnetB 62 6-bits SubnetC 2 2-bits SubnetD 6…
44- An organization currently requires 40 hosts for its sales department. Given the IP Address 194.12.1.0 /24, design an optimal address scheme usingTradition Subnetting method, which will enable the connection of the sales department’s 40 hosts in one subnet and uses the remaining subnets for other departments’ hosts in the future. What will be the total number of usable (assignable) addresses per subnet? Select one: A. 62 B. 65 C. 63 D. 64
49- An organization currently requires 40 hosts for its sales department. Given the IP Address 194.12.1.0 /24, design an optimal address scheme usingTradition Subnetting method, which will enable the connection of the sales department’s 40 hosts in one subnet and uses the remaining subnets for other departments’ hosts in the future. What will be the last host address of 4th subnet? Select one: A. 194.12.1.254 B. 194.12.1.192 C. 194.12.1.253 D. 194.12.1.255
48- An organization currently requires 40 hosts for its sales department. Given the IP Address 194.12.1.0 /24, design an optimal address scheme usingTradition Subnetting method, which will enable the connection of the sales department’s 40 hosts in one subnet and uses the remaining subnets for other departments’ hosts in the future. What will be the range of usable (assignable) addresses in 4th subnet? Select one: A. 194.12.1.192 to 194.12.1.255 B. 194.12.1.193 to 194.12.1.254 C. 194.12.1.193 to 194.12.1.253 D. 194.12.1.192 to 194.12.1.254
Given the Class A network: 125.0.0.0 a. How many bits are in the host field for this network? ________b. If we want to set up subnets to allow up to 200 hosts on each subnet, how many host bits must be used for host addressing? _____________c. How many bits are left over that can be used for subnetting? ____________d. How many subnets can we create from this? ________total subnets _____ usable subnetse. How many hosts could be assigned on each subnet?________total possible hosts ______ usable hostsf. What subnet mask will be used? _______________________g. Complete the following table for the first 4 subnets in this network. Give the subnet number (starting from 0), subnet address, host address range, subnet broadcast address, and identify which subnets are assignable (usable) and which subnets are not assignable.
46- An organization currently requires 40 hosts for its sales department. Given the IP Address 194.12.1.0 /24, design an optimal address scheme usingTradition Subnetting method, which will enable the connection of the sales department’s 40 hosts in one subnet and uses the remaining subnets for other departments’ hosts in the future. What will the broadcast address of 3rd subnet? Select one: A. 194.12.11.95 B. 194.12.1.128 C. 94.12.1.191 D. 194.121.1.192 E. 194.12.1.191
We are going to use the private range for a class A network. What is its standard subnet mask? We need to divide this network into 4 smaller networks A) Network 1 needs 250 hosts B) Network 2 needs 230 hosts C) Network 3 needs 152638 hosts D) Network 4 needs all the rest Give me the begin address and end address of each network and the subnet mask that will divide each network. Remember that the subnet mask will allow for a greater amount of hosts than what you need. This is ok however keep also in mind that this will reflect in your end address of the range. For example, let say that your Network 1 needs 30 hosts and you are in a class C network, you would start with 192.168.0.1 till 192.168.0.32 because the closest you can get to 30 that is more is 32 (2exp5) so my begin address would be 192.168.0.1, end address would be 192.168.0.32 (not 192.168.0.30 because we only need 30 hosts) and subnet mask would be 255.255.255.224. The next range will start at 192.168.0.33!!!
54- A network for a local office requires 4 LAN subnets as follows: · Subnet A - North Office with 31 hosts; · Subnet B - East Office with 15 hosts; and · Subnet C - South Office with 7 hosts. · Subnet D – West Office with 4 hosts. Given the IP Address 192.168.15.0 /24 and above described network requirements: 1. Design an optimal address scheme using Variable Length Subnet Mask (VLSM) method; and What will be the subnet mask of Subnet B? Select one: A. 255.255.128.255 B. 255.255.192.0 C. 255.255.192.192 D. 255.255.255.192 E. 255.255.255.224
56- A network for a local office requires 4 LAN subnets as follows: · Subnet A - North Office with 31 hosts; · Subnet B - East Office with 15 hosts; and · Subnet C - South Office with 7 hosts. · Subnet D – West Office with 4 hosts. Given the IP Address 192.168.15.0 /24 and above described network requirements: 1. Design an optimal address scheme using Variable Length Subnet Mask (VLSM) method; What will be the subnet mask of Subnet C? Select one: A. 255.255.128.255 B. 255.255.192.0 C. 255.255.255.240 D. 255.255.255.192 E. 255.255.255.128
47- An organization currently requires 40 hosts for its sales department. Given the IP Address 194.12.1.0 /24, design an optimal address scheme usingTradition Subnetting method, which will enable the connection of the sales department’s 40 hosts in one subnet and uses the remaining subnets for other departments’ hosts in the future. What will be the first host address in 3rd subnet? Select one: A. 194.12.1.190 B. 194.121.1.192 C. 194.12.11.191 D. 94.12.1.128 E. 194.12.1.129