Home / F5 / 301b

Question list

List of questions

Question 1

(0)

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 Specialist verifies t

Question 2

(0)

An LTM Specialist configures two LTM devices in a high-availability pair with trusts established and device groups configured properly using network failover. After several months, the LTM Specialis

Question 3

(0)

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 Standby mode instead

Question 4

(0)

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

Question 5

(0)

-- 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-devi

Question 6

(0)

-- Exhibit -- -- Exhibit -- Refer to the exhibit. Based on the output of the tmsh interface show command, what is the issue?

Question 7

(0)

-- Exhibit -- -- Exhibit -- Refer to the exhibit. A failover has just occured on BIG-IP1. BIG-IP2 is now active and manages traffic as expected. Both Bigip's are set with a gateway failsafe to

Question 8

(0)

-- Exhibit -- -- Exhibit -- Refer to the exhibit. A pair of LTM devices are deployed in a high-availability (HA) pair as the diagram shows. After inserting a new rule on the firewalls, the LTM

Question 9

(0)

-- Exhibit -- -- Exhibit -- Refer to the exhibit. A pair of LTM devices is configured for HA . What happens if the pool member server with IP address 10.0.0.4 becomes totally unresponsive to t

Question 10

(0)

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/10.0.0.10:80 monitor status down. Jan 01 00:56

Related questions

The LTM Specialist is writing a custom HTTP monitor for a web application and has viewed the content by accessing the site directly via their browser. The monitor continually fails. The monitor configuration is: ltm monitor http /Common/exampleComMonitor { defaults-from /Common/http destination *:* interval 5 recv 'Recent Searches' send 'GET /app/feed/current\?uid=20145 HTTP/1.1 \\r\\nHost : www.example.com\\r\\nAccept-EncodinG. gzip, deflate \\r\\nConnection : close\\r\\n \\r\\n' time-until-up 0 timeout 16 } A trace shows the following request and response: Request: GET /app/feed/current?uid=20145 HTTP/1.1 Host www.example.com Accept-Encoding gzip, deflate Connection: close Response: HTTP/1.1 302 Moved Temporarily Date Wed, 17 Oct 2012 18:45:52 GMT Server Apache Location https://example.com/login.jsp Content-Encoding gzip Content-Type text/html;charset=UTF-8 Set-CookiE. JSESSIONID=261EFFBDA8EC3036FBCC22D991AC6835; Path=/app/feed/current?uid=20145 What is the problem?

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 tolower [HTTP::uri]] contains '/URI2/' } { pool Pool2 } elseif {[string tolower [HTTP::uri]] contains '/URI3/' } { pool Pool3 } else { pool Pool4} } Given the following request: http://www.example.comURI1/index.html?fu=bar&pass=1234 Which pool will be selected by the iRule?

An LTM Specialist configures an HTTP monitor as follows: ltm monitor http stats_http_monitor { defaults-from http destination *:* interval 5 recv 'Health check: OK' send 'GET /stats/stats.html HTTP/1.1\\r \\nHost : www.example.com\\r\\nAccept-EncodinG. gzip, deflate \\r\\nConnection : close\\r\\n \\r\\n' time-until-up 0 timeout 16 } The monitor is marking all nodes as down. A trace of the HTTP conversation shows the following: GET /stats/stats.html HTTP/1.1 Host: www.example.com Accept-EncodinG. gzip, deflate Connection: close HTTP/1.1 401 Authorization Required DatE. Tue, 23 Oct 2012 19:38:56 GMT Server: Apache/2.2.15 (Unix) WWW-AuthenticatE. Basic realm='Please enter your credentials' Content-LengtH. 480 Connection: close Content-TypE. text/html; charset=iso-8859-1 Which action will resolve 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.)

set hsl [HSL::open -proto UDP -pool syslog_server_pool] HSL::send $hsl '<190> [HTTP::host] from [whereis [IP::client_addr] country continent state city zip] , IP: [IP::client_addr]' What do the following iRule commands do when they are used in the same iRule?

What is the effect of an iRule error such as referencing an undefined variable?

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 LTM device is serving an FTP virtual server that has three pool members. The FTP pool members are monitored via TCP port 21. Customers are reporting that they are able to log in, but are sometimes unable to upload files to the server. Which monitor should the LTM Specialist configure to verify that the servers can handle file uploads?

-- 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 client is attempting to log in to a web application that requires authentication. The following HTTP headers are sent by the client: GET /owa/ HTTP/1.1 Authorization: Basic dXNlcm5hbWU6cGFzc3dvcmQ= User-Agent: curl/7.26.0 Host: 10.0.0.14 Accept: */* Accept-EncodinG. gzip,deflate The web server is responding with the following HTTP headers: HTTP/1.1 401 Unauthorized Content-TypE. text/html Server: Microsoft-IIS/7.5 WWW-AuthenticatE. NTLM DatE. Wed, 16 Aug 1977 19:12:31 GMT Content-LengtH. 1293 The client has checked the login credentials and believes the correct details are being entered. What is the reason the destination web server is sending an HTTP 401 response?

Question 27 - 301b discussion

The LTM Specialist is in the process of creating a USB boot drive for the purpose of restoring the BIG-IP software to an LTM device. A separate LTM device has been selected for the purpose of creating the USB boot drive. The BIG-IP software ISO has already been uploaded and mounted on the separate LTM device.

Which command should the LTM Specialist use to trigger the LTM device to install the BIG-IP software to the USB boot drive?