[UPDATED 2023] Free F5 301b Exam Questions Self-Assess Preparation
301b Free Sample Questions to Practice One Year Update
NEW QUESTION 114
-- Exhibit-
-- Exhibit -
Refer to the exhibits.
How should the LTM Specialist minimize the configuration?
- A. The configuration is as minimized as possible.
- B. Create a single monitor, apply it to the pool, and remove the pool member level monitors.
- C. Remove the pool member level monitors.
- D. Create a single monitor and apply it to each pool member.
Answer: B
NEW QUESTION 115
An LTM Specialist connects to an LTM device via the serial console cable and receives unreadable output.
The LTM Specialist is using the appropriate cable and connecting it to the correct serial port.
Which command should the LTM Specialist run through ssh to verify that the baud rate settings for the serial port are correct on the LTM device?
- A. tmsh show /sys console
- B. tmsh edit /sys console
- C. tmsh list /sys console
- D. tmsh show /ltm console
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 116
-- Exhibit - -- Exhibit -
Refer to the exhibits.
Which URL on which server is causing the highest latency for users?
- A. /reflector.php on 172.16.20.2
- B. /Compress.HTML on 172.16.20.1
- C. /slow2.php on 172.16.20.1
- D. /slow1.php on 172.16.20.3
Answer: D
NEW QUESTION 117
An LTM device pair is configured for failover and connection mirroring. The LTM devices are configured with virtual servers for HTTP, HTTPS with SSL offload, and SSH. An event occurs that causes a failover.
HTTP and SSH sessions active at the time of failover remain active, but HTTPS sessions are dropped.
What is the root cause of this problem?
- A. The SSL certificates on the LTM devices do NOT match.
- B. Connection mirroring is incompatible with clientssl profiles.
- C. Connection mirroring was NOT enabled for the HTTPS virtual servers.
- D. SNAT automap was NOT enabled for the HTTPS virtual servers.
Answer: B
NEW QUESTION 118
There is a fault with an LTM device load balanced trading application that resides on directly connected VLAN vlan-301. The application virtual server is 10.0.0.1:80 with trading application backend servers on subnet 192.168.0.0/25. The LTM Specialist wants to save a packet capture with complete payload for external analysis.
Which command should the LTM Specialist execute on the LTM device command line interface?
- A. tcpdump -vvv -s 0 -w /var/tmp/trace.cap 'net 192.168.0.0/25'
- B. tcpdump -vvv -w /var/tmp/trace.cap 'net 192.168.0.0/25'
- C. tcpdump -vvv -nni vlan-301 -w /var/tmp/trace.cap 'net 192.168.0.0/25'
- D. tcpdump -vvv -s 0 -nni vlan-301 -w /var/tmp/trace.cap 'net 192.168.0.0/25'
Answer: D
NEW QUESTION 119
-- Exhibit-
-- Exhibit -Refer to the exhibit.
An administrator created a monitor to a pool member web server, which resulted in a pool member that is marked red. The administrator knows the web server is working when it is accessed from another computer.
What should the administrator do to correct the problem?
- A. Create a SNAT in the LTM device configuration.
- B. Change the username and/or password on the monitor.
- C. Change the route to the client in the LTM configuration.
- D. Change the default gateway on the server.
Answer: B
NEW QUESTION 120
An LTM Specialist is receiving reports from customers about multiple applications failing to work properly. The LTM Specialist looks at the services running and notices that the bigd process has NOT started.
How are monitored LTM device objects marked when the bigd process is stopped?
- A. red or offline
- B. blue or unchecked
- C. unchanged until bigd is restarted
- D. green or available
Answer: C
NEW QUESTION 121
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist has created a virtual server to load balance traffic to a pool of HTTPS servers. The servers use client certificates for user authentication. The virtual server has clientssl, serverssl, and http profiles enabled. Clients are unable to connect to the application through the virtual server. Clients are able to connect to the application servers directly.
What is the root cause of the problem?
- A. The application server does NOT support 2048-bit keys.
- B. The clientssl profile is NOT set to require a client certificate.
- C. The application server does NOT see the client certificate due to SSL offload.
- D. The LTM device does NOT trust the issuing CA of the client certificate.
Answer: C
NEW QUESTION 122
-- Exhibit-
-- Exhibit --
Refer to the exhibit.
Which step should an LTM Specialist take next to finish upgrading to HD1.3?
- A. Install image to HD1.3
- B. Install hotfix to HD1.3
- C. Activate HD1.3
- D. Relicense HD1.3
Answer: C
NEW QUESTION 123
-- Exhibit-
-- Exhibit -Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "The connection was reset" in the browser. Connections directly to the pool member show the application is functioning correctly.
What is the issue?
- A. The pool member is failing the monitor check.
- B. The pool member default gateway is set incorrectly.
- C. The virtual server is processing encrypted traffic as plain-text HTTP.
- D. The virtual server is configured with the incorrect SNAT address.
Answer: C
NEW QUESTION 124
The LTM device is configured for RADIUS authentication. Remote logins are failing and the LTM Specialist must verify the RADIUS configuration.
How should the LTM Specialist check the RADIUS server and shared secret configured on the LTM device?
- A. tmsh show running-config /auth radius
- B. tmsh show running-config /sys auth radius
- C. tmsh show running-config /auth configuration
- D. tmsh show running-config /sys auth radius-server
Answer: A
NEW QUESTION 125
Given:
Filesystem Size Used Avail Use% Mounted on /dev/md11 248M 248M 0 100% / /dev/md13 3.0G 76M 2.8G 3% /config /dev/md12 1.7G 1.1G 476M 71% /usr /dev/md14 3.0G 214M 2.6G 8% /var /dev/md0 30G 2.2G 26G 8% /shared /dev/md1 6.9G 288M 6.3G 5% /var/log none 3.9G 452K 3.9G 1% /dev/shm none 3.9G 19M 3.9G 1% /var/tmstat none 3.9G 1.2M 3.9G 1% /var/run prompt 4.0M 12K 4.0M 1% /var/prompt /dev/md15 12G 8.3G 3.1G 74% /var/lib/mysql
Which command is used to produce this output?
- A. df
- B. du
- C. lsof
- D. ps
- E. vmstat
Answer: A
NEW QUESTION 126
An LTM Specialist needs to rewrite text within an HTML response from a web server. A client is sending the HTTP request below:
GET / HTTP/1.1
Host: www.f5.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-LanguagE. en-US,en;q=0.5
Accept-EncodinG. gzip, deflate
Cache-Control: no-cache
Connection: keep-alive
CookiE. somecookie=1
Although a stream profile has been added to the virtual server, the content within the HTTP response is NOT being matched, and therefore NOT modified.
Which HTTP header should the LTM Specialist remove from the request to ensure the content can be matched and modified?
- A. Accept
- B. Accept-Encoding
- C. Cache-Control
- D. Connection
Answer: B
NEW QUESTION 127
An LTM Specialist has just captured trace /var/tmp/trace.cap for site www.example.com while listening on virtual address 10.0.0.1:443 configured on partition ApplicationA. The data payload being captured is SSL encrypted.
Which command should the LTM Specialist execute to decrypt the data payload?
- A. ssldump -Aed -nr /var/tmp/trace.cap -k /config/filestore/files_d/ApplicationA_d/certificate_d/:ApplicationA:www.example.com.crt_1
- B. ssldump -Aed -nr /var/tmp/trace.cap -k /config/filestore/files_d/Common_d/certificate_key_d/:Common:www.example.com.key_1
- C. ssldump -Aed -nr /var/tmp/trace.cap -k /config/filestore/files_d/ApplicationA_d/certificate_key_d/:ApplicationA:www.example.com.k ey_1
- D. ssldump -Aed -nr /var/tmp/trace.cap -k /config/filestore/files_d/Common_d/certificate_d/:Common:www.example.com.crt_1
Answer: B
NEW QUESTION 128
In preparation for a maintenance task, an LTM Specialist performs a "Force to Standby" on LTM device Unit 1. LTM device Unit 2 becomes active as expected. The maintenance task requires the reboot of Unit 1. Shortly after the reboot is complete, the LTM Specialist discovers that Unit 1 has become active and Unit 2 has returned to standby.
What would cause this behavior?
- A. A device group is configured with Auto Failback, and Unit 1 is the default device.
- B. Unit 1 is set with the redundancy state preference of active in devices groups.
- C. A traffic group is configured with Auto Failback, and Unit 1 is the default device.
- D. Unit 1 is set with the redundancy state preference of active in high availability.
Answer: C
NEW QUESTION 129
-- Exhibit-
-- Exhibit -Refer to the exhibit. A layer 2 nPath routing configuration has been deployed. A packet capture contains a client
connection packet with the following properties:
Source IP: <Virtual Server>
Destination IP: <Client A>
At which two locations could the packet capture have been taken? (Choose two.)
- A. the external VLAN interface of the LTM device
- B. the DMZ interface of the Internet firewall
- C. the network interface of web server
- D. the internal interface of the Internet firewall
Answer: C,D
NEW QUESTION 130
These log entries can have different root causes:
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 0107143a:5: CMI reconnect timer: enabled
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 01071431:5: Attempting to connect to CMI peer
1.1.1.2 port 6699
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 01071432:5: CMI peer connection established to
1.1.1.2 port 6699
Jun 28 05:01:26 LTM_A notice mcpd[27545]: 0107143a:5: CMI reconnect timer: disabled, all peers are connected
Which two commands should be used to obtain additional information on these entries? (Choose two.)
- A. tmsh show /sys mcpd
- B. tmsh modify /sys db log.cmi.level value debug
- C. tmsh modify /sys db log.mcpd.level value debug
- D. bigstart status mcpd
Answer: C,D
NEW QUESTION 131
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