A technician is investigating an issue related to a single host that is unable to access the Internet.
The technician records the following information: Host IP 169.254.1.10
The network IP address range on the DHCP server is 10.10.5.2-10.10.5.250 with a default gateway 10.10.5.1 and a DNS of 8.8.8.8
Which of the following should the technician perform to troubleshoot the issue?
A.
Change the IP scope on the DHCP server to a public IP address range. B.
Perform a traceroute command to identify the router that is not functioning. C.
Verify the host has physical connectivity and is on the correct VLAN. D.
Configure the DNS address in the DHCP scope to a 10.10.5.0/24 address.
C.
A technician is investigating an issue related to a single host that is unable to access the Internet.
The technician records the following information: Host IP 169.254.1.10
The network IP address range on the DHCP server is 10.10.5.2-10.10.5.250 with a default gateway 10.10.5.1 and a DNS of 8.8.8.8
Which of the following should the technician perform to troubleshoot the issue?
A.
Change the IP scope on the DHCP server to a public IP address range.
B.
Perform a traceroute command to identify the router that is not functioning.
C.
Verify the host has physical connectivity and is on the correct VLAN.
D.
Configure the DNS address in the DHCP scope to a 10.10.5.0/24 address.
C.
The technician has a specific issue to resolve, which is that a single host (identified by its IP address 169.254.1.10) is unable to access the Internet. To troubleshoot the issue, the technician should perform the following steps:
C. Verify the host has physical connectivity and is on the correct VLAN.
This step is important because if the host does not have physical connectivity, it won't be able to communicate with other devices on the network, including the default gateway, which is necessary to access the Internet. Additionally, if the host is on the wrong VLAN, it may not be able to communicate with the default gateway, and therefore, won't be able to access the Internet.
To verify physical connectivity, the technician should check the cables and ports to ensure they are properly connected and not damaged. Additionally, they can use tools such as ping and traceroute to test connectivity between the host and other devices on the network.
To verify that the host is on the correct VLAN, the technician should check the network configuration of the host and compare it to the VLAN configuration on the switch. They should also check any VLAN tagging settings that may be in place.
A. Change the IP scope on the DHCP server to a public IP address range.
This step is not necessary because the issue is with a single host, not the entire network. Changing the IP scope on the DHCP server to a public IP address range could cause other issues and potentially make the network less secure.
B. Perform a traceroute command to identify the router that is not functioning.
Performing a traceroute command can help identify network connectivity issues, but it won't necessarily identify the specific issue with the host. Additionally, if the host is unable to access the Internet, a traceroute command may not produce any useful results.
D. Configure the DNS address in the DHCP scope to a 10.10.5.0/24 address.
This step is also not necessary because the DNS address is not the issue with the host's inability to access the Internet. The DNS address is only used to resolve domain names to IP addresses, so if the host is unable to access the Internet, it's likely due to another issue such as incorrect network configuration or lack of physical connectivity.
In summary, the best step for the technician to take to troubleshoot the issue is to verify the host has physical connectivity and is on the correct VLAN.