Exam SY0-501 topic 1 question 542 discussion

Actual exam question from CompTIA's SY0-501

Question #: 542
Topic #: 1

A security administrator has configured a RADIUS and a TACACS+ server on the company's network. Network devices will be required to connect to the TACACS
+ server for authentication and send accounting information to the RADIUS server. Given the following information:

RADIUS IP: 192.168.20.45 -

TACACS+ IP: 10.23.65.7 -
Which of the following should be configured on the network clients? (Choose two.)

A. Accounting port: TCP 389
B. Accounting port: UDP 1812
C. Accounting port: UDP 1813
D. Authentication port: TCP 49
E. Authentication port: TCP 88
F. Authentication port: UDP 636

Show Suggested Answer

Suggested Answer: CD 🗳️

by DigitalJunkie at Aug. 8, 2019, 12:46 a.m.

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RoVasq3

Highly Voted 5 years, 7 months ago

TACACS uses (either TCP or UDP) port 49 by default RADIUS UDP (1812 and 1645 for authentication, and 1813 and 1646 for accounting

upvoted 24 times

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Stetson

Highly Voted 5 years, 11 months ago

RADIUS uses port 1812 is for authentication, and port 1813 for accounting. In this scenario they are using RADIUS for accounting, therefore it is port 1813.

upvoted 8 times

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Aarongreene

Most Recent 4 years, 3 months ago

What is TCP port49? Port 49 Details Terminal Access Controller Access-Control System (TACACS) is a remote authentication protocol that is used to communicate with an authentication server commonly used in UNIX networks.

upvoted 1 times

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