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CCNA-1/4

CCNA Class 1 of 4

QuestionAnswer
FTP Data Port # 20
FTP Control Port # 21
Telnet Port# 23
SMTP Port# 25
DNS Port# 53
DHCP Client Port# 67
DHCP Server Port# 68
TFTP Port# 69
POP3 Port# 110
NBNS (Netbios Name Service) Port# 137
IMAP4 Port# 143
SNMP Port# 161
HTTPS Port# 443
TCP/IP Protocol Stack Application, Transport, Internet, Network
OSI Model Application, Presentation, Session, Transport, Network, Datalink, Physical
Class A Network First Octet 1-127
Class B Network First Octet 128-191
Class C Network First Octet 192-223
Class D Network First Octet 224-239
Class E Network First Octet 240-255
Class A Private IP Range 10.0.0.0 - 10.255.255.255
Class B Private IP Range 172.16.0.0 - 172.31.255.255
Class C Private IP Range 192.168.0.0 - 192.168.255.255
Created by: Zipposan
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