F5 201 TMOS Administration Online Training
F5 201 Online Training
The questions for 201 were last updated at Jul 18,2025.
- Exam Code: 201
- Exam Name: TMOS Administration
- Certification Provider: F5
- Latest update: Jul 18,2025
A BIG-IP device is configured with both an internal external and two Corporate VLANs. The virtual server has SNAT enabled and is set to listen on all VLANs Auto Last Hop is disabled. The Corporate users are on 10.0.0.0./24 and 172.16.0.0/12. The BIG-IP has a Self-IP on the 1.0.0.0.0./24 subnet.
Internet users are able to access the virtual server. Only some of the Corporate users are able to connect to the virtual server A BIG-IP Administrator performs a tcpdump on the BIG-IP and verifies that traffic is arriving from users in 10.0.0.0/24.
What should the BIG-IP Administrator do to correct this behaviour?
- A . Disable the server on the internal VLAN
- B . Add a static route for the 172.16.0.0/12 subnet
- C . Change the default route to point to the extra firewall
- D . Modify the default route of the servers to point to the BIG-IP device
A BIG-IP Administrator adds new Pool Members into an existing, highly utilized pool. Soon after, there are reports that the application is failing to load for some users.
What pool level setting should the BIG-IP Administrator check?
- A . Availability Requirement
- B . Allow SNAT
- C . Action On Service Down
- D . Slow Ramp Time
Users are unable to reach an application. The BIG-IP Administrator checks the Configuration Utility and observes that the Virtual Server has a red diamond in front of the status.
What is causing this issue?
- A . All pool members are down.
- B . The Virtual Server is receiving HTTPS traffic over HTTP virtual.
- C . The Virtual Server is disabled.
- D . All pool members have been disabled.
A BIG-IP Administrator creates an HTTP Virtual Server using an iApp template. After the Virtual Server is created, the user requests to change the destination IP addresses. The BIG-IP Administrator tries to
change the destination IP address from 10.1.1.1 to 10.2.1.1
in Virtual Server settings, but receives the
following error:
The application service must be updated using an application management interface
What is causing this error?
- A . The Application Service was NOT deleted before making the IP address change.
- B . The IP addresses are already in use.
- C . The Application Services have Strict Updates enabled.
- D . The IP addresses used are NOT from the same subnet as the Self IP.
A BIG-IP Administrator suspects that one of the BIG-IP device power supplies is experiencing power outages.
Which log file should the BIG-IP Administrator check to verify the suspicion?
- A . /war /log/daemon.log
- B . /var/log/kern.log
- C . /var/log/ltm
- D . /var/log/audit
DNS queries from two internal DNS servers are being load balanced to external DNS Servers via a Virtual Server on a BIG-P device. The DNS queries originate from 192.168.101.100 and 192.168.101.200 and target 192.168.21.50
All DNS queries destined for the external DNS Servers fail
Which property change should the BIG-IP Administrator make in the Virtual Server to resolve this issue?
- A . Protocol Profile (Client) to DNS-OPTIMZED
- B . Type to Performance (HTTP)
- C . Protocol to UDP
- D . Source Address to 192.168.101.0/24
In the BIG-IP Configuration Utility, a user requests a single screen view to determine the status of all Virtual Servers and associated pool members, as well as any iRules in use. Where should the BIG-IP Administrator instruct the user to find this view?
- A . Local Traffic > Monitors
- B . Local Traffic > Virtual Servers
- C . Local Traffic > Network Map
- D . Statistics
An LTM device has a virtual server mapped to www5f.com with a pool assigned.
The objects are defined as follows:
Virtual server. Destination 192.168.245.100.443 netmask 255.255.255.0
Persistence: Source address persistence netmask 255.0.0.0
SNAT:AutoMap
Profiles: HnP/TCP
How should the BIG-IP Administrator modify the persistence profile so that each unique IP address creates a persistence record?
- A . netmask 0.0.0.0
- B . netmask 255.255.255.255
- C . netmask 255.255.0.0
- D . netmask 255.256.255.0
Which log file should the BIG-IP Administrator check to determine if a specific user tried to log in to the 8IG-IP Configuration by utility?
- A . /var/log/pam/tally/log
- B . /ver/log/secure
- C . /var/log/trn
- D . /var/log/http.d
A new BIG-IP VE is deployed with default settings. The BIG-IP Administrator completes the setup utility in the Configuration Utility. The internal self IP address fails to respond to a ping request.
What is a possible cause of this issue?
- A . Port lockdown on internal self IP is set to Allow None
- B . Route is NOT assigned to internal self IP.
- C . Internal interface VLAN is set to untagged
- D . Internal interface VLAN is set to tagged
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