301B Exam Questions

What does the following iRule do? ``` when CLIENT_ACCEPTED { if { [matchclass [IP::client_addr] equals WebClient1-Whitelist1] }{ #log local0. "Valid client IP: [IP::client_addr] -...

What do the following iRule commands do when they are used in the same iRule? ``` set hsl [HSL::open <proto UDP -pool syslog_server_pool] HSL::send $hsl "<190> [HTTP::host] from [w...

An LTM Specialist configures the following iRule on an LTM device: ``` when HTTP_REQUEST { if { [string tolower [HTTP::uri]] contains "/URI1/" } { pool Pool1 } elseif {[string tolo...

Given the iRule: ``` when HTTP_REQUEST { if { ([HTTP::username] ne "") and ([HTTP::password] ne "") } { log local0. "Client IP:[IP::remote_addr] credentials provided [HTTP::usernam...

An LTM Specialist is troubleshooting an HTTP monitor. The pool member is accessible directly through a browser, but the HTTP monitor is marking the pool member as down. ``` GET / H...

What issue is the LTM Specialist experiencing?

An LTM Specialist needs to rewrite text within an HTML response from a web server. A client is sending the following HTTP request: GET / HTTP/1.1 User-Agent: Mozilla/5.0 (Windows N...

An LTM Specialist needs to rewrite text within an HTML response from a web server. A client is sending the following HTTP request: GET / HTTP/1.1 User-Agent: Mozilla/5.0 (Windows N...

An LTM Specialist configured a virtual server to load balance a custom application. The application works when it is tested from within the firewall but it fails when tested extern...

There are three servers in the pool: 172.16.20.1, 172.16.20.2, and 172.16.20.3, with the virtual IP address 10.0.20.88. A user CANNOT connect to an HTTP application. To understand...

An LTM Specialist is troubleshooting an HTTP monitor. The pool member is accessible directly through a browser, but the HTTP monitor is marking the pool member as down. GET / HTTP/...

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 b...

An LTM Specialist is troubleshooting a problem on an eCommerce website. The user browses the online store using port 80, adding items to the shopping cart. The user then clicks the...

How should the LTM Specialist resolve this issue?

An LTM device has been configured to log the reasons for generating TCP RST packets. The following log entry occurs: "01230140:3: RST sent from 192.168.1.100:80 to 192.168.1.124:39...

An LTM device supports two power supplies. The value of the BigDB key "platform.powersupplymonitor" is equal to enable. Where would the error message be visible if one of the power...

An LTM Specialist loads a UCS file generated on a different LTM device and receives the following error message: "mcpd[2395]: 01070608:0: License is not operational (expired or dig...

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]: 01071...

An LTM Specialist wants to allow access to the Always On Management (AOM) from the network. Which two methods should the LTM Specialist use to configure the AOM interface? (Choose...

An LTM Specialist troubleshooting an issue looks at the following /var/log/ltm entries: Oct 2 04:52:42 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5...

An LTM Specialist with the Administrator role and terminal access of "tmsh" logs in via ssh and is in the Traffic Manager Shell. The LTM Specialist wants to enter the bash shell to...

Which command will identify the active LTM device currently handling client traffic?

Which command should an LTM Specialist use on the command line interface to show the health of RAID array hard drives?

Which command line interface command will check if the BIG-IP platform contains a packet velocity ASIC (PVA)?

Which two subsystems could the LTM Specialist utilize to access an LTM device with lost management interface connectivity? (Choose two.)

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 c...

The output of a tmsh command is: Net::Interface Name Status Bits Bits Errs Errs Drops Drops Colli In Out In Out In Out pions -------------------------------------------------------...

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 1.7G 0 100% /usr /dev/md14 3.0G 214M 2.7G 8% /var /...

An LTM Specialist realizes that a datacenter engineer has changed the console baud rate. Which command determines the current baud rate via the command line interface?

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 t...

An F5 LTM Specialist needs to perform an LTM device configuration backup prior to RMA swap. Which command should be executed on the command line interface to create a backup?

An LTM Specialist notices the following error on the stdout console: mcpd[2395]: 01070608:10: License is not operational(expired or digital signature does not match contents) Which...

Given the log entry: 011f0005:3: HTTP header (32800) exceeded maximum allowed size of 32768 (Client side: vip=/Common/VS_web profile=/Common/Common_web client_ip=10.0.0.1) Which HT...

Which command should the LTM Specialist use to determine the current system time?

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...

The active LTM device in a high-availability (HA) pair performs a failover at the same time the network team reports an outage of a switch on the network. Which two items could hav...

An active/standby pair of LTM devices deployed with network failover are working as desired. After external personnel perform maintenance on the network, the LTM devices are active...

Given LTM device ltm log: Sep 26 20:51:08 local/lb-d-1 notice promptstatussd[3695]: 01460006:5: semaphore mcpd.running[1] held. Sep 26 20:51:08 local/lb-d-1 notice promptstatussd[3...

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 requ...

A high-availability (HA) pair configuration uses only the hardwire serial cable connection to determine device state. A power outage occurs to the PDU powering the active unit. The...

While investigating the cause of a device failover, an LTM Specialist discovers the following events in syslog/ltm: 01010029:5: Clock advanced by 518 ticks 01010029:5: Clock advanc...

A failover event is recorded in the log messages: Jan 01 00:00:50 BIG-IP notice sod[5855]: 01140029:5: HA proc_running tmm fails action is go offline and down links. Jan 01 00:00:5...

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 t...

An LTM Specialist is troubleshooting an issue where one LTM device in a three LTM device group is failing to synchronize after a synchronize to group command is issued. The LTM Spe...

Which two steps should the LTM Specialist take to identify the issue? (Choose two.)

An HA pair of LTM devices configured in Active-Standby mode stops responding to traffic and causes an outage. The Active device becomes Standby, but the partner device stays in Sta...

A device group is made up of four members: LTM-A, LTM-B, LTM-C, and LTM-D. An LTM Specialist made a configuration change on LTM-B. Later, a different LTM Specialist notices a messa...

A failover event is recorded in the following log messages: ``` Jan 01 00:56:56 BIG-IP notice mcpd[5318]: 01070727:5: Pool /Common/my-pool member /Common/10.0.10.10:80 monitor stat...

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 occu...

Refer to the exhibit. An LTM Specialist is reviewing the virtual server configuration on an LTM device. Which two actions should the LTM Specialist perform to minimize the virtual...