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A BIG-IP Administrator defines a device Self IP . The Self IP is NOT reachable from the network. What should the BIG-IP Administrator verify first?
A virtual server configuration for traffic destined to a server is as shown:
FTP traffic is destined to the 192.168.1.101 server from the source of192.168.2.129.
Based on precedence, which virtual server accepts this traffic?
An LTM Specialist needs to deploy a virtual server that will load balance traffic targeting https://register.example.com to a set of three web servers. Persistence needs to be ensured. No persistence mirroring is allowed SSL offloading is required.
A fourth web server with fewer resources will be used to handle requests from engine bots to https://register.example.comvrobots.txt by an iRule. The (Rule will use the HTTP_REQUEST event. .
What are the required profile and persistence settings to implement this
An LTM Specialist has just manually failed the active LTM device over to the standby LTM device. The LTM Specialist notices the newly active LTM device is NOT currently receiving traffic. The LTM Specialist verifies the newly active device is responding to ARP but still no traffic is hitting the virtual servers. The LTM Specialist also notices that the virtual servers eventually start responding.
What should be added to the configuration to resolve the problem?
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?
Refer to the exhibit.
A BIG-IP Administrator creates a new Virtual Server to load balance SSH traffic. Users are unable to log on to the servers.
What should the BIG-IP Administrator do to resolve the issue?
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?
An LTM device an application that requires all connections to be secured via SSL The device must verify that request contain a specific cookie before allowing the request to be sent to the pool member.
Which virtual server type should an LTM Specialist configure on the LTM device?
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?
What is the effect of an iRule error such as referencing an undefined variable?
An LTM Specialist needs to upgrade all guests on a Viprion eight CMP guests.
What is the maximum number of guests that the LTM Specialist should upgrade at once?
An LTM HTTP pool has an associated monitor that sends a string equal to 'GET /test.html'.
Which two configurations could an LTM Specialist implement to allow server administrators to disable their pool member servers without logging into the LTM device? (Choose two.)
An FTP monitor is NOT working correctly.
Which three pieces of information does the LTM Specialist need to provide to ensure a properly working FTP monitor? (Choose three.)
Refer to the exhibit.
A BIG-IP Administrator needs to deploy an application on the BIG-IP system to perform SSL offload and
re-encrypt the traffic to pool members.
During testing, users are unable to connect to the application.
What must the BIG-IP Administrator do to resolve the issue?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
How should the LTM Specialist minimize the configuration?
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.)
Which command line interface command will check if the BIG-IP platform contains a packet velocity ASIC (PVA)?
A custom HTTP monitor is failing to a pool member 10.10.3.75:8080 that serves up www.example.com.
A ping works to the pool member address.
The SEND string that the monitor is using is: GET/HTTP/l.l/r/n/Host.www.example.com/r/n/Connection
Close/r/n/r/n
Which CLI tool syntax will show that the web server returns the correct HTTP response?
An LTM Specialist has recently taken over administration or an LTM devicethat has experienced resource availability issues. The LTM device will need to be solely used for load balancing and SSL offload. Previously, the LTM device was also used to provide statistical analysis of application traffic. However, that functionality has been moved to a third party solution.
Based on the output below, which configuration change should be made to ensure the LTM module receives the most amount of resources?
A BIG-IP Administrator opens a case with F5 Support. The support engineer requests the BIG-IP
appliance chassis serial number.
Which TMSH command will provide this information?
A BIG-IP Administrator explicitly creates a traffic group on a BIG-IP device.
Which two types of configuration objects can be associated with this traffic group? (Choose two.)
A OneConnect profile is applied to a virtual server. The LTM Specialist would like the client source IP addresses within the 10.10.10.0/25 range to reuse an existing server side connection.
Which OneConnect profile source mask should the LTM Specialist use?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is troubleshooting a sync-failover group of three BIG-IP LTM devices. The command used is "tmsh run cm watch-devicegroup-device."
What does the output mean?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist sets up AVR alerts and notifications for a specific virtual server if the server latency exceeds 50ms. The LTM Specialist simulates a fault so that the server latency is consistently exceeding the 50ms threshold; however, no alerts are being received.
Which configuration should the LTM Specialist modify to achieve the expected results?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is investigating reports that users are unable to perform some commands through an FTP virtual server. The LTM Specialist performs a capture on the server side of the LTM device.
What is the issue with the application?
A node is a member of various pools and hosts different web applications. If a web application is unavailable, the BIG-IP appliance needs to mark the pool member down for that application pool. What should a BIG-IP Administrator deploy at the pool level to accomplish this?
Refer to the exhibit.
Why is the virtual server responsive to incoming connections?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
Users are able to access the application when connecting to the virtual server but are unsuccessful when connecting directly to the application servers. The LTM Specialist wants to allow direct access to the application servers.
Which configuration change resolves this problem?
Refer to the exhibit.
A BIG-IP Administrator configures a now VLAN on an HA pair of devices that does NOT yet have any
traffic. This action causes the assigned traffic group to fail over to the standby device.
Which VLAN setting should be changed to prevent this issue?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
A virtual server is set up on an LTM device as follows:
Virtual server address 78.24.213.79
Default Persistence ProfilE. source_addr, 600s.
Pool NamE. Pool1
Pool Members: 10.72.250.52:80 and 10.72.250.60:80 (both on Internal Vlan)
There are several current connections to the virtual server, and pool member 10.72.250.52:80 has been set to a "Disabled" state.
A tcpdump on the Internal Vlan shows traffic going to 10.72.250.52:80.
How soon after the persistence table query was run can existing connections be refreshed/renewed to ensure that no requests are sent to 10.72.250.52?
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?
An LTM Specialist needs to provide statistics regarding the round-trip time betweenthe clients and the servers.
Which metric should be part of the analytics profile to provide that information?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
A client attempts to connect from a Google Chrome browser to a virtual server on a BIG-IP LTM. The virtual server is SSL Offloaded. When the client connects, the client receives an SSL error. After trying Mozilla Firefox and Internet Explorer browsers, the client still receives the same errors.
The LTM Specialist does an ssldump on the virtual server and receives the results as per the exhibit.
What is the problem?
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?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
A user is unable to access an HTTP application via a virtual server.
What is the cause of the failure?
An LTM Specialist configures a new virtual server with a single pool member. The LTM Specialist has NOT defined a health monitor for the pool, pool member or node.
What is the status of the virtual server?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is performing an HTTP trace on the client side of the LTM device and notices there are many undesired headers being sent by the server in the response. The LTM Specialist wants to remove all response headers except "Set-Cookie" and "Location."
How should the LTM Specialist modify the HTTP profile to remove undesired headers from the HTTP response?
TWO LTM devices are in the same Device Group and configured for Ac live/Standby Failover. The LTM Specialist observes that the HA Active and Standby device constantly changes state. All network links use the default route domain A dedicated fiber ink is used for the HA connection with a latency of 250 ms but no packet loss.
What is causing the change in failover state to occur?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
A customer requests to offload SSL for an internal website. The front page of the website loads correctly; however, selecting links on the page fails.
How should the LTM Specialist fix the issue?
An LTM Specialist needs to provide access to a 8BG-IP to device for a company's support person access to the BIG IP device, but are NOT allowed to change any settings All support the support remote access to the BIG-IP device, but are NOTallowed to change ant settings. All support have accounts in the company's Active Directory
Which method is appropriate to provide access for the support personnel to the BIG-JP device?
-- 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?
Which three HTTP headers allow an application server to determine the client's language compatibility, browser, operating system type, and compression compatibility? (Choose three.)
An LTM Specialist needs to configure a virtual server with the requirements displayed below.
Application is currently an internal HTTPapplication
Encrypted external user access
Links are hard for siteA example.com and need to rewritten to siteB.Example.com
Which profiles must the LTM Specialist use to provide the proper functionality?
A BIG-IP Administrator is performing maintenance on the active BIG-IP device of an HA pair. The BIG-IP
Administrator needs to minimize traffic disruptions.
What should the BIG-IP Administrator do to start the maintenance activity?
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 BIG-IP Administrator has configured a BIG-IP cluster with remote user authentication against dcOl
f5trn.com. Only local users can successfully log into the system. Configsync is also failing.
Which two tools should the 8IG-IP Administrator use to further investigate these issues? (Choose two)
Two LTM devices must be manually configured to restrict in the same Device Group.
What is the correct order of steps to meet this requirement?
An LTM Specialist is experiencing issues in a failover event. Certain long-lasting FTP event. Certain long-lasting FTP connections using a single node pool are forced to reconnect. The bigip.conf extract isshown:
What does the LTM Specialist need to change in the configuration to avoid this issue?
A BIG-IP Administrator assigns the default http health monitor to a pool that has three members listening on port 80 When the administrator connects to each pool member via the CURL utility, two of the members respond with a status of 404 Not Found while the third responds with 200 OK. What will the pool show for member availability?
Exhibit.
- The ITM devices LTM 1 and LTM2 are configured in Device Group X (Sync-Failover)
- LTM3 and LTM4 are configured in Device Group Y (Sync-Only)
- An LTM specialist configures Device Group Z (Sync-Only) to keep several profiles in (sync-Only) to keep several profiles in sync across all devices.
- Device GROUP X has four Traffic Groups A.B.C and D configured.
- Device Group Y has four Traffic Groups E, F. G, and H configured
- Auto Fallback IS NOT Enabled.
- Each Device group is healthy and able to pass traffic for any traffic groupassigned to that Device
Group.
The data center that contains LTM2 and LTM4 loses power. After 10 minutes; power is restored and all devices are up and healthy.
What is the state of each Traffic Group on each ITM device after power is restored?
A)
B)
C)
D)
OneLTM device in an HA pair of LTM devices is unable to reach its default gateway. An HA Failover event needs to happen.
Which configuration item enables this behavior?
During a high-demand traffic event, the BIG-IP Administrator needs to limit the number of new
connections per second allowed to a Virtual Server.
What should the administrator apply to accomplish this task?
An LTM device is deployed in a one-armed topology. The virtual server, clients, and web servers are connected on the LTM device internal VLAN. A client tries to connect to the virtual server and is unable to establish a connection. A packet capture from the LTM device internal VLAN shows that the HTTP request is being forwarded to the web server.
From which two additional locations should protocol analyzer data be collected? (Choose two.)
Given LTM device ltm log:
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5: semaphore mcpd.running(1) held
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5:
Sep 26 20:51:08 local/lb-d-1 warning promptstatusd[3695]: 01460005:4: mcpd.running(1) held, wait for mcpd
Sep 26 20:51:08 local/lb-d-1 info sod[3925]: 010c0009:6: Lost connection to mcpd - reestablishing.
Sep 26 20:51:08 local/lb-d-1 err bcm56xxd[3847]: 012c0004:3: Lost connection with MCP: 16908291 ... Exiting bsx_connect.cpp(174)
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: MCP Exit Status
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: Info: LACP stats (time now:1348717868) : no traffic
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0014:6: Exiting...
Sep 26 20:51:08 local/lb-d-1 err lind[3842]: 013c0004:3: IO error on recv from mcpd - connection lost
Sep 26 20:51:08 local/lb-d-1 notice bigd[3837]: 01060110:5: Lost connection to mcpd with error 16908291, will reinit connection.
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0004:3: Initial subscription for system configuration failed with error ''
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0001:3: Connection to mcpd failed with error '011b0004:3: Initial subscription for system configuration failed with error '''
Sep 26 20:51:08 local/lb-d-1 err csyncd[3851]: 013b0004:3: IO error on recv from mcpd - connection lost
.............skipping more logs.....
Sep 26 20:51:30 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running bcm56xxd is now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running mcpd is now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 010c0018:5: Standby
Which daemon failed?
A web application requires the client to provide the destination server and service identification.
Which HTTP header will supply this information?
An LTM Specialist is configuring a client profile to offload processing a new application Company policy requires that clients can resume session for up to 30 minutes, but must renegotiate a new session after that.
Which setting should the LTM Specialist change to satisfy this requirement?
Which process can be eliminated by terminating SSL communication on the LTM device rather than the backend pool members?
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, although connections directly to the pool member show the application is functioning correctly.
ltm pool srv1_https_pool {
members {
192.168.2.1:https{
address 192.168.2.1
}
}
}
ltm virtual https_example_vs {
destination 192.168.1.155:https
ip-protocol tcp
mask 255.255.255.255
pool srv1_https_pool
profiles {
http { }
tcp { }
}
snat automap
vlans-disabled
}
How should the LTM Specialist resolve this issue?
AN LTM Specialist is using an external monitor evaluate the hard drive usage of a node. The monitor has marked the node down because it exceeded the specific threshold. The disk usage on the server has been corrected below the threshold, however, the node remains offline.
Which feature is causing this problem?
An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "Unable to connect" in the browser, although connections directly to the pool member show the application is functioning correctly. The LTM configuration is:
ltm virtual /Common/vs_https {
destination /Common/10.10.1.110:443
ip-protocol udp
mask 255.255.255.255
pool /Common/pool_https
profiles {
/Common/udp { }
}
translate-address enabled
translate-port enabled
vlans-disabled
}
ltm pool /Common/pool_https {
members {
/Common/172.16.20.1:443 {
address 172.16.20.1
}
}
}
How should the LTM Specialist resolve this issue?
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?
Four members in a server pool have similar hardware platforms. An LTM Specialist needs the load balancing method that canselect the server with the fewest entries in the persistence table.
Which load balancing method should the LTM Specialist use?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist configures a virtual server that balances HTTP connections to a pool of three application servers. Approximately one out of every three connections to the virtual server fails.
Which two actions will resolve the problem? (Choose two.)
A web application is meant to log the URI of the resource that responded to the client's initial Request-URI.
Which HTTP header will supply this information?
A BIG-IP Administrator notices that one of the servers that runs an application is NOT receiving any traffic. The BIG-IP Administrator examines the configuration status of the application and observes the displayed monitor configuration and affected Pool Member status. What is the possible cause of this issue?
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?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
Which step should an LTM Specialist take next to finish upgrading to HD1.3?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
A virtual server has been configured for SSL offload on a single-arm network. On average, the virtual server will be handling 100,000 connections, with a peak of 130,000 connections. Between the virtual server and the web servers there is a single reverse proxy to provide site caching. The proxy is configured to perform source IP persistence before contacting the web servers. The site is logging users out immediately after logging them in.
What should the LTM Specialist do to resolve this issue?
A LTM device needs to load balance active and passive FTP traffic while using only a single virtual server.
Which virtual server type should an LTM Specialist configure on the LTM device?
An LTM Specialist observes decreased performance and intermittent connection reap LTM system.
Based on the configuration, which action will address these issues?
A BIG-IP system has the following configuration:
* SNAT is set to Auto Map
* There are two VLANs internal and external
* Default route is pointed to the gateway on external VLAN
* Self P for internal VLAN is 1921.1.2
* Self IP for external VLAN is 192.1.2.2
* Floating IP addresses for internal VLAN is 192.1.1.1
* Floating IP addresses for external VLAN is 192.1.2.1
* The Virtual Server IP address is 192.1.1.100
Which IP address does the BIG-IP system use first when traffic reaches the servers on the internal VLAN?
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 BIG-IP Operator has made a grave error and deleted a few virtual servers on the active LTM device fronting the web browsing proxies. The BIG-IP Operator has NOT yet performed a configuration sync.
Which command should the LTM Specialist execute on the active LTM device to force a failover to the standby node and restore web browsing?
TESTED 17 May 2024
