Essentials Cloud Exam Questions and
Answers 100% Pass
DHCP Port - ✔✔UDP 67, 68
DNS Port - ✔✔TCP/UDP 53
HTTP Port - ✔✔TCP 80
HTTPS Port - ✔✔TCP 443
FTP Port - ✔✔TCP 20, 21
SMTP Port - ✔✔TCP 25
SSH Port - ✔✔TCP 22
POP3 Port - ✔✔TCP 110
Telnet Port - ✔✔TCP 23
IMAP Port - ✔✔TCP 143
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, NTP Port - ✔✔TCP 123
SNMP Port - ✔✔UDP 161
What are Class A, B, and C IP/Subnets? - ✔✔A: 1.0.0.0 - 126.255.255.255
255.0.0.0 or /8
B: 128.0.0.0 - 191.255.255.255
255.255.0.0 or /16
C. 192.0.0.0 - 223.255.255.255
255.255.255.0 or /24
List the Private IP ranges - ✔✔10.0.0.0 - 10.255.255.255
172.16.0.0 - 172.31.255.255
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