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201 Sample Questions Answers

Questions 4

The BIG-IP Administrator generates QKView using tmsh command "qkview -SO". In which directory does the BIG-IP appliance save the QKView?

Options:

A.

/etc/tmp

B.

/var/tmp

C.

/shared/qkview

D.

/var /tmp/qkview

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Questions 5

Which two can be a part of a virtual server's definition? (Choose two.)

Options:

A.

rule(s)

B.

pool(s)

C.

monitor(s)

D.

node address(es)

E.

loadbalancing method(s)

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Questions 6

A BIG-IP Administrator wants to add the ASM Module to an HA pair of BIG-IP devices. The BIG-IP Administrator has already installed a new Add-On License on both devices in the HA pair. What should the BIG-IP Administrator do next to use the module?

Options:

A.

Provision the new module on both BIG-IP device's

B.

Synchronize both BIG-IP devices

C.

Reboot both BIG-IP devices

D.

Reactivate the Licenses on both BIG IP devices

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Questions 7

Which two statements are true about SNATs? (Choose two.)

Options:

A.

SNATs are enabled on all VLANs, by default.

B.

SNATs can be configured within a Profile definition.

C.

SNATs can be configured within a Virtual Server definition.

D.

SNAT's are enabled only on the VLAN where origin traffic arrives, by default.

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Questions 8

The ICMP monitor has been assigned to all nodes. In addition, all pools have been assigned custom monitors. The pool is marked available. If a pool is marked available (green) which situation is sufficient to cause this?

Options:

A.

All of the pool member nodes are responding to the ICMP monitor as expected.

B.

Less than 50% of the pool member nodes responded to the ICMP echo request.

C.

All of the members of the pool have had their content updated recently and their responses no longer match the monitor.

D.

Over 25% of the pool members have had their content updated and it no longer matches the receive rule of the custom monitor. The other respond as expected.

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Questions 9

A virtual server is listening at 10.10.1.100:any and has the following iRule associated with it:

when CLIENT_ACCEPTED { if {[TCP::local_port] equals 80 } { pool pool1 } elseif {[TCP::local_port] equals 443} { pool pool2 }

If a user connects to 10.10.1.100 and port 22, which pool will receive the request?

Options:

A.

pool1

B.

pool2

C.

None. The request will be dropped.

D.

Unknown. The pool cannot be determined from the information provided.

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Questions 10

Refer to the exhibit.

Which two pool members are eligible to receive new connections? (Choose two)

Options:

A.

10.21.0.102.80

B.

10.21.0.104.80

C.

10.21.0.105.80

D.

10.21.0.101.80

E.

10.21.0.103.80

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Questions 11

Refer to the exhibit.

Which two pool members should be chosen for a new connection? (Choose two.)

Options:

A.

172.16.15.9.80

B.

172.16.15.4.80

C.

172.10.15.2.80

D.

172.16.15.1.80

E.

172.16.15.7.80

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Questions 12

New Syslog servers have been deployed in an organization. The BIG-IP Administrator must reconfigure the BIG-IP system to send log messages to these servers.

In which location in the Configuration Utility can the BIG-IP Administrator make the needed configuration changes to accomplish this?

Options:

A.

System > Logs > Configuration

B.

System > Configuration > Local Traffic

C.

System > Logs > Audit

D.

System > Configuration > Device

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Questions 13

Which statement is true concerning cookie persistence?

Options:

A.

Cookie persistence allows persistence independent of IP addresses.

B.

Cookie persistence allows persistence even if the data are encrypted from client to pool member.

C.

Cookie persistence uses a cookie that stores the virtual server, pool name, and member IP address in clear text.

D.

If a client's browser accepts cookies, cookie persistence will always cause a cookie to be written to the client's file system.

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Questions 14

A 8IG-IP Administrator configures a Virtual Server to load balance traffic between 50 webservers for an

ecommerce website Traffic is being load balanced using the Least Connections (node) method.

The webserver administrators report that customers are losing the contents from their shopping carts

and are unable to complete their orders.

What should the BIG-IP Administrator do to resolve the issue?

Options:

A.

Change Default Persistence Profile setting to cookie

B.

Change Load Balancing method to Ratio (member)

C.

Change Default Persistence Profile setting to sipjnfo

D.

Change Load Balancing method to Ratio (node)

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Questions 15

Active connections to pool members are unevenly distributed. The load balancing method is Least Connections (member) Priority Group Activation is disabled. What is a potential cause of the event distribution?

Options:

A.

Priority Group Activation is disabled

B.

SSL Profile Server is applied

C.

Persistence profile is applied

D.

incorrect load balancing method

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Questions 16

A BIG-IP Administrator is setting up a new BIG-IP device. The network administrator reports that the interface has an incompatible media speed. The BIG-IP Administrator needs to change this setting

manually.

From which location should the BIG-IP Administrator perform this task?

Options:

A.

On the Front Console

B.

In the TMOS Shell Command line

C.

In the Configuration Utility, Network > Interface

D.

In the Configuration Utility, System > Configuration

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Questions 17

The current status of a given pool member is unknown. Which condition could explain that state?

Options:

A.

The member has no monitor assigned to it.

B.

The member has a monitor assigned to it and the most recent monitor was successful.

C.

The member has a monitor assigned to it and the monitor did not succeed during the most recent timeout period.

D.

The member's node has a monitor assigned to it and the monitor did not succeed during the most recent timeout period.

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Questions 18

You have created a custom profile named TEST2. The parent profile of TEST2 is named TEST1. If additional changes are made to TEST1, what is the effect on TEST2?

Options:

A.

All changes to TEST1 are propagated to TEST2.

B.

Some of the changes to TEST1 may propagate to TEST2.

C.

Changes to TEST1 cannot affect TEST2 once TEST2 is saved.

D.

When TEST1 is changed, the administrator is prompted and can choose whether to propagate changes to TEST2.

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Questions 19

Assuming that systems are synchronized, which action could take place if the fail over cable is connected correctly and working properly, but the systems cannot communicate over the network due to external network

problems?

Options:

A.

If network failover is enabled, the standby system will assume the active mode.

B.

Whether or not network failover is enabled, the standby system will stay in standby mode.

C.

Whether or not network failover is enabled, the standby system will assume the active mode.

D.

If network failover is enabled, the standby system will go into active mode but only until the network recovers.

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Questions 20

A BIG-IP Administrator needs to determine which pool members in a pool have been manually forced offline and are NOT accepting any new traffic. Which status icon indicates this?

A)

B)

C)

D)

Options:

A.

Option

B.

Option

C.

Option

D.

Option

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Questions 21

Monitors can be assigned to which three resources? (Choose three.)

Options:

A.

NATs

B.

pools

C.

iRules

D.

nodes

E.

SNATs

F.

pool members

G.

virtual servers

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Questions 22

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?

Options:

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

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Questions 23

Which statement is true concerning SNATs using automap?

Options:

A.

Only specified self-IP addresses are used as automap addresses.

B.

SNATs using automap will translate all client addresses to an automap address.

C.

A SNAT using automap will preferentially use a floating self-IP over a nonfloating self-IP.

D.

A SNAT using automap can be used to translate the source address of all outgoing traffic to the same address regardless of which VLAN the traffic is sent through.

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Questions 24

The owner of a web application asks the 8IG-IP Administrator to change the port that the BIG-IP device sends traffic to. This change must be made for each member in the server pool named app_pool for their Virtual Server named app_vs. In which area of the BIG-IP Configuration Utility should the BIG-P Administrator make this change?

Options:

A.

Local Traffic > Pools

B.

Local Traffic > Nodes

C.

Network > Interfaces

D.

Local Traffic > Virtual Servers

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Questions 25

A BIG-IP Administrator is conducting maintenance on one BIG-IP appliance in an HA Pair. Why should the BIG-IP Administrator put the appliance into FORCED_OFFLINE state?

Options:

A.

To preserve existing connections to Virtual Servers and reduce the CPU load

B.

To allow new connections to Virtual Servers and ensure the appliance becomes active

C.

To terminate connections to the management IP and decrease persistent connections

D.

To terminate existing connections to Virtual Servers and prevent the appliance from becoming active

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Questions 26

A configuration change is made on the standby member of a device group.

What is displayed as "Recommended Action" on the Device Management Overview screen?

Options:

A.

Force active member of device group to standby

B.

Activate device with the most recent configuration

C.

Synchronize the active member configuration to the group.

D.

Synchronize the standby member configuration to the group

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Questions 27

Given that VLAN failsafe is enabled on the external VLAN and the network that the active BIG-IP's external VLAN is connected to has failed, which statement is always true about the results?

Options:

A.

The active system will note the failure in the HA table.

B.

The active system will reboot and the standby system will go into active mode.

C.

The active system will failover and the standby system will go into active mode.

D.

The active system will restart the traffic management module to eliminate the possibility that BIG-IP is the

cause for the network failure.

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Questions 28

Which file should the BIG-IP Administrator check to determine when a Virtual Server changed its status

Options:

A.

/var/log/audit

B.

/var/log/lastlog

C.

/var/log/tm

D.

/var/log/monitors

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Questions 29

During a maintenance window, an EUD test was executed and the output displayed on the screen. The BIG-IP Administrator did NOT save the screen output. The BIG-IP device is currently handling business critical traffic. The BIG-IP Administrator needs to minimize impact. What should the BIG-IP Administrator do to provide the EUD results to F5 Support?

Options:

A.

Boot the device into EUD then collect output from console

B.

Execute EUD from tmsh and collect output from console

C.

Collect file /var/log/messages

D.

Collect file /shared/log/eud.log

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Questions 30

Users report that traffic is negatively affected every time a BIG-IP device fails over. The traffic becomes

stabilized after a few minutes.

What should the BIG-IP Administrator do to reduce the impact of future failovers?

Options:

A.

Enable Failover Multicast Configuration

B.

Set up Failover Method to HA Order

C.

Configure MAC Masquerade

D.

Configure a global SNAT Listener

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Questions 31

A BIG-IP Administrator need to ensure that a pool member and down by the monitor the BIG-IP system

sends existing connections to another be pool member.

Which should the BIG-IP Administrator perform to meet this goal?

Options:

A.

Set Action on Service Down sing under the server configuration to reselect.

B.

Reconfigure the pool motor members as UP.

C.

Enable mirroring within the persistence profile.

D.

Set Action Service Down setting under the pool configuration to reselect.

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Questions 32

The incoming client IP address is 195.64.45.52 and the last five connections have been sent to members A, C, E, D and B. Given the virtual server, pool, and persistence definitions and statistics shown in the above graphic, which member will be used for the next connection?

Options:

A.

10.10.20.1:80

B.

10.10.20.2:80

C.

10.10.20.3:80

D.

10.10.20.4:80

E.

10.10.20.5:80

F.

It cannot be determined with the information given.

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Questions 33

A BIG-IP Administrator uses backend servers to host multiple services per server. There are multiple virtual servers and pools defined, referencing the same backend servers.

Which load balancing algorithm is most appropriate to have an equal number of connections on each backend server?

Options:

A.

Least Connections (member)

B.

Least Connections (node)

C.

Predictive (member)

D.

Predictive (node)

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Questions 34

The current status of a given pool is offline (red). Which condition could explain that state? Assume the descriptions below include all monitors assigned for each scenario.

Options:

A.

No monitors are currently assigned to any pool, member or node.

B.

The pool has a monitor assigned to it, and none of the pool members passed the test.

C.

The pool has a monitor assigned to it, and only some of the pool's members passed the test.

D.

A monitor is assigned to all nodes and all nodes have passed the test. The pool's members have no specific monitor assigned to them.

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Questions 35

A local user account (Users) on the BIG-IP device is assigned the User Manager role. Userl attempts to

modify the properties of another account (User2), but the action fails. The BIG-IP Administrator can

successfully modify the User2 account.

Assuming the principle of least privilege, what is the correct way to allow User 1 to modify User2

properties?

Options:

A.

Move User2 to the same partition as User1

B.

Grant User1 administrative privileges

C.

Move User to the same partition as User2.

D.

Modify the partition access for User 1

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Questions 36

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?

Options:

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.

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Questions 37

A BIG-IP Administrator needs to find which modules have been licensed for use on the BIG-IP system. In which section of the Configuration Utility can the BIG-IP Administrator find this information?

Options:

A.

System > Services

B.

System > Resource Provisioning

C.

System > Platform

D.

System > Support

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Questions 38

The BIG-IP Administrator creates a custom iRule that fails to work as expected. Which F5 online resource should the administrator use to help resolve this issue?

Options:

A.

DevCentral

B.

Bug Tracker

C.

University

D.

Health

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Exam Code: 201
Exam Name: TMOS Administration
Last Update: May 3, 2024
Questions: 254
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