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Exam LX0-104 topic 5 question 9 discussion

Actual exam question from CompTIA's LX0-104
Question #: 9
Topic #: 5
[All LX0-104 Questions]

When issuing the command ifconfig eth0 192.168.1.20/24 up, which of the following happens? (Choose TWO correct answers.)

  • A. The address 192.168.1.20 is associated with the interface eth0.
  • B. A network route to 192.168.1.0 with the netmask 255.255.255.0 pointing directly to eth0 is created.
  • C. 192.168.1.1 is probed for router functionality and, in case of success, it is added to the list of default routers.
  • D. The addresses from 192.168.1.20 to 192.168.1.24 are activated on the interface eth0.
  • E. If eth0 was configured with a previous IP address, it is retained in addition to adding the new address.
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Suggested Answer: AB 🗳️
by linux_admin at Feb. 10, 2023, 1:06 a.m.

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linux_admin
2 years, 2 months ago
A. The address 192.168.1.20 is associated with the interface eth0. B. A network route to 192.168.1.0 with the netmask 255.255.255.0 pointing directly to eth0 is created.
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linux_admin
2 years, 2 months ago
The ifconfig eth0 192.168.1.20/24 up command is used to configure the network interface eth0 with an IP address of 192.168.1.20 and a subnet mask of 24 (which can also be represented as 255.255.255.0). The /24 value specifies the number of bits that represent the network portion of the address, and the up option is used to activate the network interface. This command assigns the IP address 192.168.1.20 to the network interface eth0. The subnet mask 255.255.255.0 specifies the network segment that the IP address 192.168.1.20 belongs to. The up option is used to bring up the network interface eth0, making it active and ready for use. This command is typically used to manually assign an IP address to a network interface or to change the configuration of an existing interface.
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