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bunecawa's version from 2017-05-26 08:34

Section 20

Question Answer
ftp datatcp 20
ftp controltcp 21
sshtcp 22
telnettcp 23
smtptcp 25
memorize

Section 100

Question Answer
dnsudp/tcp 53
dhcp serverudp 67
dhcp clientudp 68
tftpudp 69
httptcp 80
memorize

Section above

Question Answer
pop3tcp 110
snmpudp 161
ssltcp 443
syslogudp 514
memorize

Section new

Question Answer
ripudp 520
tacacs+tcp 49
radiusudp 1645, 1812
bgptcp 179
hsrpudp 1985
memorize