You are given the block 168.22.100.0/23 to distribute to 3 sub-networks and 2 WAN-Links as shown in the figure. Efficiently distribute the given block to create the required subnets using VLSM. Show the network tree and necessary calculations. 168.22.100.0/23 WAN 1 WAN 2 2 Hosts 2 Hosts LAN1 LAN2 LAN3 30 hosts 110 hosts 200 hosts Figure

You are given the block 168.22.100.0/23 to distribute to 3 sub-networks and 2 WAN-Links as shown in the figure. Efficiently distribute the given block to create the required subnets using VLSM. Show the network tree and necessary calculations. 168.22.100.0/23 WAN 1 WAN 2 2 Hosts 2 Hosts LAN1 LAN2 LAN3 30 hosts 110 hosts 200 hosts Figure

Comptia A+ Core 1 Exam: Guide To Computing Infrastructure (mindtap Course List)

10th Edition

ISBN:9780357108376

Author:Jean Andrews, Joy Dark, Jill West

Publisher:Jean Andrews, Joy Dark, Jill West

Chapter8: Network Infrastructure And Troubleshooting

Section: Chapter Questions

Problem 8TC

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Let’s consider you have a Class C IP address 204.15.5.0/24. You have to determine whether it is possible to createfollowing network with the given IP address? If yes, what could be the possible ranges of IP addresses for thesubnetworks? Let’s consider the above network. If you are using VLSM /CIDR, determine what subnet mask numbers allow therequired number of hosts.
write the following iptables on the server to block the following traffic types originated from the attacker to the server: HTTP connection request from the attacker to the server. SSH connection request from the attacker to the server. FTP and Telnet requests ( Use single rule to block these multiple ports).
Given the following network: 192.168.10.0/24. Subnet this network with a /25 subnet mask. Answer the following questions: What is the class of the 192.168.10.0/24? Using/25, how many networks are available? Using/25, how many valid hosts per network are available? Using/25, what is the subnet mask? Using/25, what is the broadcast address?
consider 3 hosts (A , B and C) where A is running 3-TCP process, B has 1-TCP process and C is running 2-UDP process all process are trying to connect to a web server to download a file . How many new socket(s) will be created at the server side? Explain why?
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.
question 2 : Given the following topology. By calculating a network address yourself(Calculation Process: First three digit of your ID.fourth and fifth Digit of your ID.last Two Digit of your ID.0/choose a suitable subnet mask). Now perform a classless subnetting (VLSM) and show the results. ( You can use a table with ROW as a Network Address and COLUMN for representing the Number of hosts, Subnet Mask, etc. my Id : 2020000010051
In order to implement a DNS amplification attack, the attacker must trigger the creation of a sufficiently large volume of DNS response packets from the intermediary to exceed the capacity of the link to the target organization. Consider an attack where the DNS response packets are 500 bytes in size (ignoring framing overhead). a. How many of these packets per second must the attacker trigger to flood a target organization using a 30-Mbps link? A 100-Mbps link? Or a 1-Gbps link? b. If the DNS request packet to the intermediary is 60 bytes in size, how much bandwidth does the attacker consume to send the necessary rate of DNS request packets for each of these three cases?
COM Assume a web browser at a client host (212.13.14.16) wants to send a message to a web server (156.10.10.2) but a firewall at the client's gateway (212.13.14.1) is configured to block all outgoing packets to 156.10.10.2. The client does have access to a VPN application (similar to the one used in the labs) and can use it to connect to a VPN server (130.16.10.2). Describe how the client should set up a tunnel to bypass the firewall so that the web browser can send a message to the web server (156.10.10.2). You must trace the pathway of the message originating at the web browser on the client host and headed to the VPN server explaining how it traverses through different layers (application, transport, network etc.) in the client host and finally reaches the VPN server application. You must also trace the relevant hops (i.e., the IP addresses) the packet navigates through along the way. You need not trace the reply message and you also don't need to focus on the encryption details.…
A Network with id: 192.168.0.0 and subnet mask 255.255.0.0 is given to you to split it in such a way thatfollowing classrooms are given adequate number of IPs based on their needs. Each classroom willoccupy its own subnet. The following information for each subnet must be included:  Subnet ID CIDR Subnet Mask First IP usable in the subnet Last IP usable in the subnet Broadcast IP Address for the subnet Classroom1: 8 PCsClassroom2: 400PC and 4 PrinterClassroom 3: 2 PCsClassroom4: 62 PCs and a ServerClassroom5: 24PCs
Using https://wiki.dd-wrt.com/wiki/index.php/Linking_Subnets_with_Static_Routes as a base, modify the scenario for VLSM based subnets given the following information. Site address (CIDR Notation) = 192.168.10.0/24 Subnet Included hosts Number of hosts required Subnet ID(CIDR notation) 1 Computer Labs 1 and 2 110 ? 2 Computer Lab 3 60 ?
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…
In order to implement the classic DoS flood attack, the attacker must generate a sufficiently large volume of packets to exceed the capacity of the link to the target organization. Consider an attack using ICMP echo request (ping) packets that are 60 bytes in size (ignoring framing overhead). How many of these packets per second must the attacker send to flood a target organization using a 30-Mbps link? How many per second if the attacker uses a 100-Mbps link? Or a1-Gbps link?