IP, TCP, or UDP?

Question 1

RADIUS Accounting (per RFC)

Answer 1

TCP/UDP 1813

Question 2

VXLAN (IANA)

Answer 2

UDP 4789

Question 3

UDP

Answer 3

IP 17

Question 4

Telnet

Answer 4

TCP 23

Question 5

RADIUS Accounting (Cisco)

Answer 5

TCP 1646

Question 6

RTP Voice/Video

Answer 6

UDP 16,384 to 32,767

Question 7

TCP

Answer 7

IP 6

Question 8

FTP Data

Answer 8

TCP 20

Question 9

BGP

Answer 9

TCP 179

Question 10

SSH

Answer 10

TCP 22

Question 11

Syslog

Answer 11

UDP 514

Question 12

SNMP

Answer 12

UDP 161

Question 13

Syslog over TLS

Answer 13

TCP 6514

Question 14

VRRPv3

Answer 14

IP 112

Question 15

TACACS+

Answer 15

TCP 49

Question 16

SMTP

Answer 16

TCP 25

Question 17

HSRP for IPV6

Answer 17

UDP 2029

Question 18

Traceroute

Answer 18

IP 33434

Question 19

IGMPv2

Answer 19

IP 2

Question 20

DHCP Client

Answer 20

UDP 68

Question 21

TFTP

Answer 21

UDP 69

Question 22

PIM Control

Answer 22

IP 103

Question 23

HTTP

Answer 23

TCP 80

Question 24

VXLAN (Linux)

Answer 24

UDP 8472

Question 25

ISAKMP

Answer 25

UDP 500

Question 26

OSPF

Answer 26

IP 89

Question 27

EIGRP

Answer 27

IP 88

Question 28

SSL

Answer 28

TCP 443

Question 29

RADIUS Authentication (Cisco)

Answer 29

TCP 1645

Question 30

NTP

Answer 30

UDP 123

Question 31

RIP

Answer 31

UDP 520

Question 32

LISP Data Plane header

Answer 32

UDP 4341

Question 33

HSRPv1 and v2

Answer 33

UDP 1985

Question 34

DNS

Answer 34

UDP/TCP 53

Question 35

RADIUS Authentication (per RFC)

Answer 35

TCP/UDP 1812

Question 36

GRE

Answer 36

IP 47

Question 37

IPSec Authentication Header (AH)

Answer 37

IP 51

Question 38

FTP Control

Answer 38

TCP 21

Question 39

LISP Control Plane i.e. Map Notify Msg

Answer 39

UDP 4342

Question 40

DHCP Server

Answer 40

UDP 67

Question 41

POP3

Answer 41

TCP 110

Question 42

ESP

Answer 42

IP 50