5.8.9 Practice Questions

10 September 2022
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question
You administer a network with Windows Server 2016 and UNIX servers and Windows 10 Professional, Windows 7, and Macintosh clients. A Windows 7 computer user calls you one day and says he is unable to access resources on the network. You type ipconfig on the user's computer and receive the following output: 0 Ethernet adapter: IP address. . . . . . . . . : 169.254.1.17Subnet Mask . . . . . . . . : 255.255.0.0Default Gateway . . . . . . : You also check your NIC and see the link light on. What might the problem be?
answer
An unavailable DHCP server.
Explanation: The problem might be that the user's computer is not configured to use the correct DNS server.
question
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask. . . . . . . . : 255.255.0.0 Default Gateway . . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.1.20 192.168.1.27 What is the most likely cause of the problem?
answer
Incorrect subnet mask.
Explanation: The most likely cause of the problem is that the workstation is configured with the wrong DNS server. The DNS server should be configured to use the DNS server on the 192.168.1.0/24 subnet.
question
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation can communicate with some hosts on the private network, but not with other hosts. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection:Connection-specific DNS Suffix . : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address. . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled . . . . . . . : No Autoconfiguration Enabled. . . : Yes IPv4 Address . . . . . . . : 192.168.1.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0 Default Gateway. . . . . . . . . : 192.168.2.1 DNS Servers. . . . . . . . . . . : 192.168.2.20 What is the most likely cause of the problem?
answer
Incorrect default gateway.
Explanation: The most likely cause of this problem is that the workstation is not configured to use the correct DNS server. In this case, it is using the DNS server at 192.168.2.20, which is not able to resolve the names of the hosts on the 192.168.1.0/24 subnet. To fix this, the workstation should be configured to use the DNS server at 192.168.1.1.
question
You manage a network that has multiple internal subnets. You connect a workstation to the 192.168.1.0/24 subnet. This workstation cannot communicate with any other host on the network. You run ipconfig /all and see the following: Ethernet adapter Local Area Connection:Connection-specific DNS Suffix. : mydomain.local Description . . . . . . . : Broadcom network adapter Physical Address . . . . . : 00-AA-BB-CC-74-EF DHCP Enabled. . . . . . . : No Autoconfiguration Enabled . . : Yes IPv4 Address. . . . . . . : 192.168.2.102(Preferred) Subnet Mask . . . . . . . : 255.255.255.0Default Gateway. . . . . . : 192.168.1.1 DNS Servers . . . . . . . : 192.168.2.20 What is the most likely cause of the problem?
answer
Incorrect IP Address.
Explanation: The most likely cause of the problem is that the workstation is configured with the wrong IP address.
question
Your office has both Windows and Linux computers. You want to be able to view the address of the default gateway that a computer is using. Which of the following utilities could you use? (Select two.)
answer
ipconfig, route
Explanation: If you want to view the address of the default gateway that a computer is using, you could use the route or netstat utilities.