SUBNET ADDRESSING Consider the router and the two attached subnets below (A and B). The number of hosts is also shown below. The subnets share the 23 high-order bits of the address space: 144.145.110.0/23 175 hosts QUESTION 2 OF 10 A Answer How many hosts can there be in this address space? 144.145.110.0/23 B Assign subnet addresses to each of the subnets (A and B) so that the amount of address space assigned is minimal, and at the same time leaving the largest possible contiguous address space available for assignment if a new subnet were to be added. Then answer the questions below. 84 hosts

SUBNET ADDRESSING Consider the router and the two attached subnets below (A and B). The number of hosts is also shown below. The subnets share the 23 high-order bits of the address space: 144.145.110.0/23 175 hosts QUESTION 2 OF 10 A Answer How many hosts can there be in this address space? 144.145.110.0/23 B Assign subnet addresses to each of the subnets (A and B) so that the amount of address space assigned is minimal, and at the same time leaving the largest possible contiguous address space available for assignment if a new subnet were to be added. Then answer the questions below. 84 hosts

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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Computer Science Assume the length of each message is L=5, the access link has a speed of X=180 Mbps, and there are B=6 messages per second on average. What is the total average delay for receiving a message when no cache is used, i.e., the sum of LAN delay, access delay, and internet delay? Give your answer in milliseconds.
Suppose all the interfaces in each of three subnets are required to have the prefix 223.1.17/24. Also suppose that subnet 1 is required to support at least 60 interfaces, Subnet 2 is to support at least 90 interfaces and subnet 3 is to support at least 12 interfaces. Provide three network addresses that satisfy these constraints.
6.4-12 Network- and Link-layer addressing: an end-to-end-scenario (3c). Consider the network shown below. The IP and MAC addresses are shown for hosts A, B, C and D, as well as for the router's interfaces. Consider an IP datagram being sent from node C to node A (note: from right to left). Match the source/destination network- or link-layer address at the location (6) by choosing a value from the pulldown list. 77-34-F1-EF-14-72 128.119.97.18 (6) 68-01-BC-58-AF-24 128.119.50.107 (5) What is the source IP address of the datagram at point (6)? What is the source MAC address on the frame at point (6)? CC-A5-81-OB-AE-33 128.119.97.194 What is the destination MAC address on the frame at point (6)? What is the destination IP address of the datagram at point (6)? (4) 49-FA-B0-3C-E2-7C 128.119.50.60 72-9E-4A-31-9C-42 128.119.240,15 (3) 128.119.97.194 128.119.97.18 128.119.240.52 [Choose ] [Choose ] 4C-9D-AA-74-D6-1F 4C-9D-AA-74-D6-1F 128.119.240.52 (1) (2) C D D5-A0-EE-9A-73-D5 128.119.240.116…
6.4-7 Network- and Link-layer addressing: an end-to-end-scenario (2a). Consider the network shown below. The IP and MAC addresses are shown for hosts A, B, C and D, as well as for the router's interfaces. Consider an IP datagram being sent from node A to node C. Match the source/destination network- or link-layer address at the location (2) by choosing a value from the pulldown list. 77-34-F1-EF-14-72 128.119.97.18 (1) What is the source MAC address on the frame at point (2)? What is the source IP address of the datagram at point (2)? 68-01-BC-58-AF-24 128.119.50.107 (2) What is the destination IP address of the datagram at point (2)? (3) CC-A5-81-0B-AE-33 128.119.97.194 49-FA-BO-3C-E2-7C 128.119.50.60 72-9E-4A-31-9C-42 128.119.240.15 [Choose ] [Choose ] 128.119.240.52 What is the destination MAC address on the 128.119.97.18 frame at point (2)? 4C-90-AA-74-D6-1F 128.119.240.52 (6) (5) C D5-A0-EE-9A-73-D5 128.119.240.116 4C-9D-AA-74-D6-1F 128.119.97.194 The MAC address of the switch…
2. For each of the following, write the ONE correct answer. a) TCP/IP layers are Internet (I), Transport (T), Application (A), Physical (P), Network Interface (N). Which layer deals with modulation in WiFi networks? The layer whose header contains the source MAC address is Answer= Answer= b) The leftmost and rightmost bits in a byte are MSbit and LSbit respectively. For the 2 bytes 10000000 00000001, assume that the first byte is MSbyte and the second byte is LSByte. Assuming that bits are transmitted from left to right, write the transmission order that is bit big endian and byte little endian: Answer= c) Let TP=unshielded twisted pair, CC=coaxial cable, F=fiber, L=lasercommunication. Which of these media Uses a shield for limiting interference Achieves the highest bandwidth across long distances Answer= Answer= d) Of FDMA, CDMA, TDMA and SM (statistical multiplexing), which method is multiplexing primarily based on in LTE networks? Answer= e) Which particular form of FDM is used over…
What three statements are true about network layer addressing? Network layer addressing uses a hierarchy. It uses addresses that are 48 bits in length. It is used by Ethernet switches to make forwarding decisions. It does not support broadcasts. It uses a method by which the network portion of an address can be identified. Network layer addressing identifies each host distinctly.
Design and implement an addressing scheme with a given network address: 172.32.0.0/18. Subnet the allocated prefix into 5 networks with 8 addressable host on the first 4 subnetworks, and 2 addressable host on the 5th subnetwork.
1. A router receives a packet with destination address (222.186.114.16) Show how it finds the network and the subnetwork address to route the packet. Assume the number of subnetwork required is four
Assume a new packet arrive with the destination address 11100000 01011111 00000000 00000001. Assume you have a tertiary content addressable memory (TCAM). Draw how you will match the destination address to the link interface using a TCAM.
Subnetting Complete the given tables below: # of Subnets # of hosts per subnet Network Address of the first subnet Network Address of the last subnet Subnet Mask 1. 101.138.121.114 /22 --> /25 2. 221.17.27.41 /24 ---> /26 3. 65.120.65.162 /18 ---> 20 #hosts Subnet Mask in Binary Subnet Mask in Decimal Prefix 35 1289 130
Suppose a router has built up the routing table shown in Table 3.19. The router can deliver packets directly over interfaces 0 and 1, or it can forward packets to routers R2, R3, or R4. Assume the router does the longest prefix match. Describe what the router does with a packet addressed to each of the following destinations: (a) 128.96.171.92 (b) 128.96.167.151 (c) 128.96.163.151 (d) 128.96.169.192 (e) 128.96.165.121 Table 3.19 Routing Table for Exercise 56 SubnetNumber 128.96.170.0 128.96.168.0 128.96.166.0 128.96.164.0 (default) SubnetMask 255.255.254.0 255.255.254.0 255.255.254.0 255.255.252.0 NextHop Interface 0 Interface 1 R2 R3 R4
sWin an international IT solutions company, is launching 11 new branches in a new country where they currently have no existing branches. The sWin CIO has asked that each subnet should host at least 2000 devices. sWin has obtained a network address of 10.11.0.0/17.This address needs to be subnetted further and the CIO has decided that the internal subnet mask will be /21 The company’s subnet plan allows for: Router Pool: 2 router interfaces for each subnet – the last 2 IP addresses from each subnet. Managed Network Device Pool: The first 64 IP addresses are reserved for switches and other network devices Server Pool: The first 64 IP addresses following the Managed Network Device Pool are reserved for servers. Workstation Static Pool: The first 16 IP addresses following the Server Pool are reserved for Workstations that require static IP addresses. Workstation DHCP Pool: The remaining IP addresses are reserved for automatic IP configuration. You have been asked to use subnet 10 for…