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Exam 220-1101 topic 1 question 126 discussion

Actual exam question from CompTIA's 220-1101
Question #: 126
Topic #: 1
[All 220-1101 Questions]

A user reports limited or no connectivity on a laptop. A technician runs ipconfig /all with the following result:
IPv4 connectivity...limited or none

IPv4 address...169.254.254.1 -
subnet mask...255.255.0.0
default gateway...
Which of the following is the MOST likely cause of this issue?

  • A. DHCP failure
  • B. ARP cache
  • C. DNS resolution
  • D. Duplicate IP address
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by cybo47 at Jan. 9, 2023, 4:53 a.m.

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cybo47
Highly Voted 1 year, 4 months ago
When DHCP is unavailable or fails, you are assigned an APIPA address 169.254. . .
upvoted 6 times
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rah555
Most Recent 10 months ago
Selected Answer: A
The IP address 169.254.254.1 is a link-local address, which is used when a device cannot obtain an IP address from a DHCP server.
upvoted 2 times
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ScorpionNet
1 year, 1 month ago
Selected Answer: A
The reason why it's A because when DHCP servers are no where to be found in the network, the computer's integrated NIC automatically assigns the APIPA address. Better known as IPv4 link-local IP address.
upvoted 3 times
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C (25%)
B (20%)
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