F5 Networks Exam 301b Topic 5 Question 38 Discussion

Actual exam question for F5 Networks's 301b exam

Question #: 38
Topic #: 5

-- Exhibit --

Refer to the exhibit.

Users receive an error when attempting to connect to the website https://website.com. The website has a DNS record of 195.56.67.90. The upstream ISP has confirmed that there is nothing wrong with the routing between the user and the LTM device.

The following tcpdump outputs have been captured:

External Vlan, filtered on IP 168.210.232.5

00:25:07.598519 IP 168.210.232.5.33159 > 195.56.67.90.https: S 1920647964:1920647964(0) win 8192

00:25:07.598537 IP 195.56.67.90.https > 168.210.232.5.33159: S 2690691360:2690691360(0) ack 1920647965 win 4350

00:25:07.598851 IP 168.210.232.5.33160 > 195.56.67.90.https: S 2763858764:2763858764(0) win 8192

00:25:07.598858 IP 195.56.67.90.https > 168.210.232.5.33160: S 1905576176:1905576176(0) ack 2763858765 win 4350

Internal Vlan, filtered on IP 168.210.232.5

00:31:46.171124 IP 168.210.232.5.33202 > 192.168.100.20.http: S 2389057240:2389057240(0) win 4380

What is the problem?

AThe filters on the tcpdumps are incorrect.

BThe DNS entry for website.com is incorrect.

CThe virtual server 'WEBSERVICES1' is listening on the incorrect port.

DThe firewall is dropping the connection coming from the pool members returned to the client.

EThe subnet masks of the pool members of pool WebServices1 and the f5 'Internal' Vlan are incorrect.

Show Suggested Answer

Suggested Answer: D

by Louisa at May 07, 2022, 08:29 AM

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