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Exam 220-1102 topic 1 question 237 discussion

Actual exam question from CompTIA's 220-1102
Question #: 237
Topic #: 1
[All 220-1102 Questions]

A technician is editing the hosts file on a few PCs in order to block certain domains. Which of the following would the technician need to execute after editing the hosts file?

  • A. Enable promiscuous mode.
  • B. Clear the browser cache.
  • C. Add a new network adapter.
  • D. Reset the network adapter.
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Suggested Answer: B 🗳️
by rocistuff at July 18, 2023, 7:52 p.m.

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Mehsotopes
9 months ago
Selected Answer: B
Easiest fix is to clear Browsing Data from the settings button in top right corner > More Tools > Clear Browser Data, or use the command CTRL SHIFT DEL. Every computer has it's own DNS cache resolver that remembers what sites it has gone to in the past, it displays names & IP mappings. First type 'ipconfig /displaydns' in command. Cache will be displayed by their record names, record types, time to live, & variant of record (A, AAAA, PTR, CNAME, MX, ect.). If you're having issues connecting properly to websites, or they show bugs, clear DNS cache with '/flush dns'.
upvoted 3 times
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Mehsotopes
9 months ago
Selected Answer: B
Every computer has it's own DNS cache resolver that remembers what sites it has gone to in the past, it displays names & IP mappings. First type 'ipconfig /displaydns' in command. Cache will be displayed by their record names, record types, time to live, & variant of record (A, AAAA, PTR, CNAME, MX, ect.). If you're having issues connecting properly to websites, or they show bugs, clear DNS cache with '/flush dns'.
upvoted 1 times
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rocistuff
9 months, 3 weeks ago
Not sure I agree with this one. Wouldn't you need to flush DNS cache? Resetting the network card effectively accomplishes that. Resetting the browser cache while the OS still has cached entries would mean it's going to pull from whatever the OS has cached.
upvoted 2 times
HQvRusss
9 months ago
according to CHATGPT it is the right answer answer B
upvoted 1 times
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