Question: i have only 30 min so please be fast and no need for justification only answers Consider the below topology with LANs A,B,C and D





Consider the below topology with LANs A,B,C and D and answer the following questions. LANA OBS LAN G 250 users PCA SWA SWC FCC OVI 00/1 30/2 RI Re 0012 SWB ROB SWD PCO LAND. 120 iners LANB: 24 users VLSM for the initial network 172.16.1200 21 1. What is the subnet mask for the initial network 172.16.128.0 /21? 255.255.248.0 255.255.240.0 255.255.252.0 O 255.255.247.0 2. What is the Network IP for each of the 4 LANs? 172.16.129.192 172.16.129.0 172.16.129.128 172.16.128,0 LAN-A LAN-B LAN-C LAN-D 3. Determine the ip address of each router interface IP as follows: 172.16.128.2 172.16.129.202 172.16.129.129 172.16.129.126 R1 (G0/1 1st host) O R1 (G0/2 10th host) R2 (G0/1 2nd host) o o o o . R2 (G0/2 last host) . 4. Determine the subnet mask for each network. * 255.255.255.192 255.255.255.128 255.255.255.0 255.255.255.224 LAN-A LAN-B LAN- LAN-D 5.Determine the Default-gateway IP address for each PC device. 172.16.128.2 172.16.129.129 172.16.129.202 172.16.129.126 172.16.128.3 PC-A O PC-B O O PC-C PC-D 6. Determine the PCs IP addresses as follows 28.10 172.16.129.190 172.16.129.1 172.16.129.193 172.16.1.1 172.16.129.191 PC-A (last valid ip) O O O O PC-B (2nd valid ip) O O O PC-C (10th valid ip) . O O O O PC-D (1st valid ip) o O o ho 7. In the topology below, PCO is not able to communicate with PC1. Sales Departament 172 20.0.0/25 Fao PCO Fa0/1 Gigo Gigo/6/1 Fa0/1 Fa0/3 Router F:02 Fa0/ 2wth Fao Switch Accountant Departement 17220.0.192/27 Fao PCI Server Below is a screenshot of Router O running configurations. Determine the errors in the configurations. interface GigabitEthernet0/0/0 ip address 172.20. 1.1 255.255.255.128 duplex auto speed auto ! interface Gigabit Ethernet0/0/1 ip address 172.20.0.193 255.255.255.128 duplex auto speed auto interface GigabitEthernet0/012 no ip address duplex auto speed auto shutdown interface GigabitEthernet0/0/0 ip address 172.20. 1.1 255.255.255.128 duplex auto speed auto ! interface GigabitEthernet0/0/1 ip address 172.20.0.193 255.255.255.128 duplex auto speed auto ! interface GigabitEthernet0/0/2 no ip address duplex auto speed auto shutdown G0/0/0 wrong ip address G0/0/0 wrong subnet mask G00/0/1 wrong ip address GO/0/1 wrong subnet mask G0/0/0 is administratively down
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