Network TroubleshootingCâu 87 / 100
Which utility resolves a hostname to its IP address and can query specific DNS record types?
a.ping
b.nslookup
c.ipconfig
d.netstat
Giải thích
The nslookup utility queries DNS servers to resolve hostnames and can request specific record types such as MX or CNAME. It is invaluable for diagnosing name-resolution issues. The dig command offers similar functionality on Unix-like systems.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với CompTIA Network+ (N10-009) · Quy trình kiểm tra