Consider the ACME company which was assigned a public class B IPV4 network (137.151.0.0/16). The organization has currently 7 more within several years to bring the total to 18 branches. Each branch may have a maximum of 4000 devices except for 4 relatively smaller branches that can only sustal 2000 devices at most. The company must provide a separate network to support both current and future branch offices. Show how the ACME company's public network is divided using subnetting to satisfy both the short-term and long-term goals. You must show all your work and list all calculated subnets. large branches in operation and plan to

Consider the ACME company which was assigned a public class B IPV4 network (137.151.0.0/16). The organization has currently 7 more within several years to bring the total to 18 branches. Each branch may have a maximum of 4000 devices except for 4 relatively smaller branches that can only sustal 2000 devices at most. The company must provide a separate network to support both current and future branch offices. Show how the ACME company's public network is divided using subnetting to satisfy both the short-term and long-term goals. You must show all your work and list all calculated subnets. large branches in operation and plan to

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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DATA COMMUNICATION Consider a subnet with prefix 223.1.24.0/24. How to create three subnets from this subnet, so that subnet 1 can support at least 50 interfaces, subnet 2 can support at least 12 interfaces, and subnet 3 can support at least 100 interfaces. Provide three network addresses (of the form a.b.c.d/x) that satisfy these constraints.
Consider the following diagram: A,B,C and D are subnets, R1, R2, and R3 are routers. Default signifies theentire rest of the internet. All 4 subnets each contain the same number of hosts.Consider the following routing table at R3: CIDR Mask Link 0.0.0.0/0 L4 128.4.6.0/24 L3 128.4.8.0/24 L5 1. If 128.4.6.0 is in A, what is the routing table at R1? 2. The ISP that owns all these networks is short on IP addresses, so theyuse a NAT router for R2. How many public IP addresses will C andD use together assuming they use as many private 10.X IP addresses asthey can? How many total public IP addresses will be used by the entirenetwork? Why doesn’t the ISP care about how many private IP addressesare used? 3. Fix R3’s routing table now that we are using NAT: 4. A node in C is given the IP address 10.0.0.1 and only sends and receivespackets on port 1234. A packet destined for this node reaches R2 witha source of (IP=128.4.6.6, Port=3000) and destination of (IP=128.4.8.0,Port=10000).…
The IP block of an organization starts with 122.142.130.d/x . However x and d are unknown. If the organization needs at most 140 IP addresses what would be the value of x and d. There is more than one possibility for d, list all possibilities and explain why. If the organization needs 4 subnets of having IP addresses of 60, 50, 6, 6 respectively, what would the information of subnets in the form of a.b.c.d/x. Show all your calculations.
Assume that a large number of consecutive IP addresses are available starting at 198.16.32.0 and suppose that two organizations, A, B, C, and D, request 1000, 3000, 2000, and 4500 addresses, respectively, in that order. For each of these, give the first possible IP address within the assigned subnet, the last possible IP address within the assigned subnet, and the subnet representation in slash notation (w.x.y.z/s). In the imagine I have the answers but I am very confused on how to get them. Specially after A and B I do not undertand how the initial address of C is 198.16.64.0 how did that 64 happen??? Please explain all in detail. Thank you!
Suppose you have the following network requirements, for Given an IP address and mask of 9.0.0.0/8, design an IP addressing scheme using VLSM? How is the efficiency of this method achieved? Use the topology in Figure to answer the questions. a. Network 1 needs to support 330 host addresses. b. Network 2 needs to support 62 host addresses. c. Network 3 needs to support 2 host addresses. d. Network 4 needs to support 520 host addresses. e. Network 5 needs to support 230 host addresses. f. Network 6 needs to support 62 host addresses. g. Network 7 needs to support 2 host addresses. h. Network 8 needs to support 2 host addresses.
Assign network addresses to each of these six subnets,with the following constraints: All addresses must be allocated from 212.10.8/23; Subnets A, B, and C should have enough addresses to support 120, 240, and 120 interfaces respectively. Of course, subnets D, E, and F should each be able to support two interfaces. For each subnet, the assignment should take the form of a.b.c.d/x or a.b.c.d/x - e.f.g.h/y. Using your answer to the previous part, provide the forwarding tables (using longest prefix matching) for each of the three routers. You may use label R1A to denote the interface on router R1 that is part of subnet A and so on.
Consider a router that interconnects three subnets: A, B, and C. Supposeall of the interfaces in each of these subnets are required to have the prefix212.1.104.0/21. Suppose subnet A is required to support 1000 interfaces, andsubnets B and C are each required to support 500 interfaces. Provide networkaddresses for A,B and C (in the form a.b.c.d/x) that satisfy these constraints. Model Solution: E.g.: A: 212.1.104.0/22B: 212.1.108.0/23C: 212.1.110.0/23 Can you explain how it comes this model Solution
Under the assumption of no packets loss, how long will it take TCP to send an object that is 20KB over a link with a RTT of 400 milliseconds, a MSS of 2KB, and a rate of 10KB/second when: a. TCP is in slow start, CongWin = 1 and Threshold = 10: b. TCP is in congestion avoidance, CongWin = 5 and Threshold = 5
An enterprise wants to use a network infrastructure that complies with the class B IP addressing template given below. The network part of this is the internet service provider (ISP) appointed by. According to this: a) How many subnets can this business create within itself? b) The maximum number of hosts in each subnet (LAN) can you take? c) Let one of these subnets be given as follows: subnet 1 : 10000010.00110010.00000100.00000000 Does the computer with IP address 130.50.7.139 belong to this subnet? Show your work and reasoning for each option.
A) Assume there is a wide-area network with N nodes, where N ≥ 2 What is the smallest number of point-to-point communication links such that every node in the network is able to talk to every other node? (Note: A network in which some nodes are unable to exchange messages with other nodes because there is no path between them is called disconnected.)
A large number of consecutive IP addresses are available starting at 198.16.0.0. Sup- pose that four organizations, A, B, C, and D, request 4000, 2000, 4000, and 8000 ad- dresses, respectively, and in that order. For each of these, give the first IP address as- signed, the last IP address assigned, and the mask in the w.x.y.z/s notation. A router has just received the following new IP addresses: 57.6.96.0/21, 57.6.104.0/21, 57.6.112.0/21, and 57.6.120.0/21. If all of them use the same outgoing line, can they be aggregated? If so, to what? If not, why not? The set of IP addresses from 29.18.0.0 to 19.18.128.255 has been aggregated to 29.18.0.0/17. However, there is a gap of 1024 unassigned addresses from 29.18.60.0 to 29.18.63.255 that are now suddenly assigned to a host using a different outgoing line. Is it now necessary to split up the aggregate address into its constituent blocks, add the new block to the table, and then see if any reaggregation is possible? If not, what can be…
1.4.12.2 End-to-end Delay. Consider again the network shown above. The links again have transmission rates of R1 = R2 = 100 Mbps (i.e., 100 x 106 bits per second), and each packet is 1 Mbit (106 bits) in size. Assume that the propagation delay is 1 msec per link. What is the end-to-end delay of a packet from when it first begins transmission at the sender, until it is received in full by the server at the end of the rightmost link. Assume store-and forward packet transmission. You can assume the queueing delay is zero. Answer choices: A. 2 x 106 msec b. 2.01 msec C. 1.1 msec D. 2.02 msec 1.4.12.3 Maximum Throughput. Consider again the network shown above. The links again have transmission rates of R1 = R2 = 100 Mbps Assume that the link R2 is fairly shared (as we've seen is done via TCP) between the two sessions. What is the maximum end-to-end throughput achieve by each session, assuming both sessions are sending at the maximum rate possible? Answer choices:…