F5 F5 Certifications 101 Questions & Answers

• Question 61:

  The BIG IP device is connected to the same network as a server

  Which communication protocol will the BIG IP device use to discover the link layer address of the server?

  A. Ping

  B. ICMP

  C. RARP

  D. ARP

  Correct Answer: D

• Question 62:

  What command sends an "Echo Request' message and expects an "Echo Reply" message?

  A. ping

  B. netstal

  C. tcpdump

  D. echo

  Correct Answer: A

• Question 63:

  A BIG IP Administrator needs to create a virtual server for a new secure end-to-end web application After change in configuration the virtual server .3 still marked down. The configuration of the virtual server and the pool member are correct. A quick server shows the status. To fix the issue, what should the BIG-IP Administrator inform the web server administrator to do?

  

  A. change web server configuration to use SSL/TLS

  B. reboot the server

  C. restart the web service

  D. change web server configuration lo use SSH/SCP

  Correct Answer: A

  If the application needs to be secure `end-to-end'' the web server needs to use SSL as well. Most web servers will not required to HTTP requests when configured with HTTPS, so the monitor is failing.

• Question 64:

  An administrator is having a connectivity issue with a server in the same network. Upon checking with the command arp -a on a Windows machine, the two outputs are taken on a 1 minute interval

  

  What is likely causing this issue?

  A. Interface down

  B. MAC address conflict

  C. No route available

  D. IP address conflict

  Correct Answer: D

• Question 65:

  What should the administrator investigate first to address this traffic slowness?

  

  A. The virtual server indicates 14 slow connections killed

  B. The pool member is unchecked

  C. Interface 1.2 shows 9.2K errors

  D. The pool shows no current connections.

  Correct Answer: C

• Question 66:

  An administrate receives an error message when attempting to create a self-IP address on a BIG-IP appliance

  

  Which address should the administrator use to resolve the issue?

  A. 2001 0db8.85a3 0000 0000 8a2e 0370 7334

  B. 2001:db8:85a3 Bd3.Ba2e.370 7334

  C. 2001:0db8:85i3:0000:0000: : 8a2i:0370:7334

  Correct Answer: A

• Question 67:

  An administrator points the browser at http://www mydomain com. The destination server listens on TCP port 8080 Which feature must be enabled on the virtual server for this configuration to work?

  A. HTTP persistence

  B. source NAT

  C. destination address affinity

  D. port translation

  Correct Answer: D

  https.//support f5.com/csp/article/K93G17176

• Question 68:

  Which security model provides protection from unknown attacks?

  A. ACL Security model

  B. closed security model

  C. Negative security model

  D. Positive security model

  Correct Answer: D

  https //www.owasp.org/index.php/Posilrve_security_model

• Question 69:

  Given the service list of a server shown, the administrator needs to determine why users are unable to resolve the IP address www.example.com. What is the causing this issue?

  A. bigd is down

  B. named is down

  Correct Answer: B

  berkely internet name daemon (DNS) bigd is the health checking daemon

• Question 70:

  An administrator security policy defines allowed URLs, file types and parameter values Which security model is the administrator using?

  A. negative security model

  B. Closed security model

  C. positive Security model

  D. ACL Security model

  Correct Answer: C

  https //www owasp.org/index.php/Positive_security_model