19.4.5 Check Your Understanding – Identify the Default Gateway Answers

Jun 9, 2023 Last Updated: Jun 9, 2023 Networking Essentials No Comments
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1. Refer to the exhibit. A network administrator is connecting a new host to the Client LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

BldgA(config)# interface gi0/1
BldgA(config-if)# description Connects to the Medical LAN
BldgA(config-if)# ip address 172.29.81.74 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface gi0/0
BldgA(config-if)# description Connects to the Client LAN
BldgA(config-if)# ip address 172.29.210.141 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/0
BldgA(config-if)# description Connects to the ISP
BldgA(config-if)# ip address 10.210.81.254 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/1
BldgA(config-if)# description Connects to the Head Office WAN
BldgA(config-if)# ip address 209.165.200.141 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# end
  • 172.29.210.141
  • 172.29.210.1
  • 10.210.81.254
  • 209.165.200.141
  • 172.29.81.74

2. Refer to the exhibit. A network administrator is connecting a new host to the Manager LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Floor(config)# interface gi0/1
Floor(config-if)# description Connects to the Registrar LAN
Floor(config-if)# ip address 192.168.147.139 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface gi0/0
Floor(config-if)# description Connects to the Manager LAN
Floor(config-if)# ip address 192.168.78.189 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/0
Floor(config-if)# description Connects to the ISP
Floor(config-if)# ip address 10.78.147.254 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# interface s0/0/1
Floor(config-if)# description Connects to the Head Office WAN
Floor(config-if)# ip address 198.51.100.216 255.255.255.0
Floor(config-if)# no shutdown
Floor(config-if)# end
  • 192.168.78.1
  • 10.78.147.254
  • 198.51.100.216
  • 192.168.78.189
  • 192.168.147.139

3. Refer to the exhibit. A network administrator is connecting a new host to the Sales LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Store(config)# interface gi0/1
Store(config-if)# description Connects to the Sales LAN
Store(config-if)# ip address 10.27.205.91 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface gi0/0
Store(config-if)# description Connects to the Student LAN
Store(config-if)# ip address 10.27.226.137 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface s0/0/0
Store(config-if)# description Connects to the ISP
Store(config-if)# ip address 10.226.205.254 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface s0/0/1
Store(config-if)# description Connects to the Head Office WAN
Store(config-if)# ip address 209.165.200.231 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# end
  • 10.27.205.1
  • 10.27.205.91
  • 10.226.205.254
  • 209.165.200.231
  • 10.27.226.137

4. Refer to the exhibit. A network administrator is connecting a new host to the Client LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

BldgA(config)# interface gi0/1
BldgA(config-if)# description Connects to the Medical LAN
BldgA(config-if)# ip address 192.168.63.74 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface gi0/0
BldgA(config-if)# description Connects to the Client LAN
BldgA(config-if)# ip address 192.168.166.28 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/0
BldgA(config-if)# description Connects to the ISP
BldgA(config-if)# ip address 10.166.63.254 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/1
BldgA(config-if)# description Connects to the Head Office WAN
BldgA(config-if)# ip address 209.165.200.240 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# end
  • 192.168.166.1
  • 10.166.63.254
  • 209.165.200.240
  • 192.168.63.74
  • 192.168.166.28

5. Refer to the exhibit. A network administrator is connecting a new host to the Student LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Store(config)# interface gi0/1
Store(config-if)# description Connects to the Sales LAN
Store(config-if)# ip address 172.20.29.144 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface gi0/0
Store(config-if)# description Connects to the Student LAN
Store(config-if)# ip address 172.20.192.162 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface s0/0/0
Store(config-if)# description Connects to the ISP
Store(config-if)# ip address 10.192.29.254 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface s0/0/1
Store(config-if)# description Connects to the Head Office WAN
Store(config-if)# ip address 198.51.100.138 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# end
  • 172.20.192.1
  • 10.192.29.254
  • 198.51.100.138
  • 172.20.192.162
  • 172.20.29.144

6. Refer to the exhibit. A network administrator is connecting a new host to the Client LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

BldgA(config)# interface gi0/1
BldgA(config-if)# description Connects to the Medical LAN
BldgA(config-if)# ip address 10.27.65.169 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface gi0/0
BldgA(config-if)# description Connects to the Client LAN
BldgA(config-if)# ip address 10.27.172.188 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/0
BldgA(config-if)# description Connects to the ISP
BldgA(config-if)# ip address 10.172.65.254 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# interface s0/0/1
BldgA(config-if)# description Connects to the Head Office WAN
BldgA(config-if)# ip address 198.51.100.72 255.255.255.0
BldgA(config-if)# no shutdown
BldgA(config-if)# end
  • 10.27.172.188
  • 10.27.172.1
  • 10.172.65.254
  • 198.51.100.72
  • 10.27.65.169

7. Refer to the exhibit. A network administrator is connecting a new host to the Engineering LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Main(config)# interface gi0/1
Main(config-if)# description Connects to the Service LAN
Main(config-if)# ip address 172.29.75.54 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface gi0/0
Main(config-if)# description Connects to the Engineering LAN
Main(config-if)# ip address 172.29.66.95 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface s0/0/0
Main(config-if)# description Connects to the ISP
Main(config-if)# ip address 10.66.75.254 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# interface s0/0/1
Main(config-if)# description Connects to the Head Office WAN
Main(config-if)# ip address 209.165.200.3 255.255.255.0
Main(config-if)# no shutdown
Main(config-if)# end
  • 172.29.66.1
  • 10.66.75.254
  • 209.165.200.3
  • 172.29.75.54
  • 172.29.66.95

8. Refer to the exhibit. A network administrator is connecting a new host to the Marketing LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

RTR1(config)# interface gi0/1
RTR1(config-if)# description Connects to the Marketing LAN
RTR1(config-if)# ip address 192.168.65.76 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# interface gi0/0
RTR1(config-if)# description Connects to the Payroll LAN
RTR1(config-if)# ip address 192.168.208.67 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# interface s0/0/0
RTR1(config-if)# description Connects to the ISP
RTR1(config-if)# ip address 10.208.65.254 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# interface s0/0/1
RTR1(config-if)# description Connects to the Head Office WAN
RTR1(config-if)# ip address 203.0.113.48 255.255.255.0
RTR1(config-if)# no shutdown
RTR1(config-if)# end
  • 192.168.65.76
  • 192.168.65.1
  • 10.208.65.254
  • 203.0.113.48
  • 192.168.208.67

9. Refer to the exhibit. A network administrator is connecting a new host to the Sales LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

Store(config)# interface gi0/1
Store(config-if)# description Connects to the Sales LAN
Store(config-if)# ip address 192.168.233.32 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface gi0/0
Store(config-if)# description Connects to the Student LAN
Store(config-if)# ip address 192.168.14.27 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface s0/0/0
Store(config-if)# description Connects to the ISP
Store(config-if)# ip address 10.14.233.254 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# interface s0/0/1
Store(config-if)# description Connects to the Head Office WAN
Store(config-if)# ip address 203.0.113.225 255.255.255.0
Store(config-if)# no shutdown
Store(config-if)# end
  • 192.168.233.32
  • 192.168.233.1
  • 10.14.233.254
  • 203.0.113.225
  • 192.168.14.27

10. Refer to the exhibit. A network administrator is connecting a new host to the Branch LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?

HQ(config)# interface gi0/1
HQ(config-if)# description Connects to the Branch LAN
HQ(config-if)# ip address 10.75.1.77 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface gi0/0
HQ(config-if)# description Connects to the Store LAN
HQ(config-if)# ip address 10.75.160.219 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface s0/0/0
HQ(config-if)# description Connects to the ISP
HQ(config-if)# ip address 10.160.1.254 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# interface s0/0/1
HQ(config-if)# description Connects to the Head Office WAN
HQ(config-if)# ip address 203.0.113.111 255.255.255.0
HQ(config-if)# no shutdown
HQ(config-if)# end
  • 10.75.1.1
  • 10.75.1.77
  • 10.160.1.254
  • 203.0.113.111
  • 10.75.160.219
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