301b F5 LTM Specialist: Maintain & Troubleshoot exact Exam Questions

LTM Specialist: Maintain & Troubleshoot

Last Update 4 hours ago Total Questions : 209

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Question # 11

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Refer to the exhibit.

An LTM Specialist has created a virtual server to balance connections to a pool of application servers and offload SSL decryption. Clients connect to the application at https://www.example.com/. The virtual server is configured with a clientssl profile but no serverssl profile. The application servers are listening on ports 80 and 443. Users are unable to connect to the application through the virtual server but are able to connect directly to the application server.

What is the root cause of the error?

The LTM device is chunking responses.

The LTM device is redirecting users to HTTPS.

The pool members are configured with the wrong port.

The application servers are redirecting users to HTTPS.

Question # 12

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Refer to the exhibit.

An LTM Specialist has uploaded a qkview to F5 iHealth.

Within the GUI, what is the correct procedure to comply with the recommendation shown in the exhibit?

Obtain product version image from release.f5.com.

Overwrite existing image with new product version image.

Select product version image and click Install.

Select the available disk and volume set name.

Obtain product version image from images.f5.com.

Overwrite existing image with new product version image.

Select product version image and click Install.

Select the available disk and volume set name.

Obtain product version image from downloads.f5.com.

Import product version image.

Install image onto BIG-IP platform.

Select product version image and click Install.

Select the available disk and volume set name.

Log a call requesting the product version image via websupport.f5.com

Import product version image.

Install image onto BIG-IP platform.

Select product version image and click Install.

Select the available disk and volume set name.

Question # 13

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?

The username and password are incorrect.

The server has an incorrect date configured.

The client is using the wrong type of browser.

The wrong authentication mechanism is being used.

Question # 14

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Refer to the exhibit.

An LTM Specialist is investigating intermittent page load issues being reported by users.

What should the LTM Specialist do to resolve the issue?

Remove HTTP monitor on the pool.

Assign an HTTP monitor to the pool.

Select least connections load balancing method on virtual server.

Remove least connections load balancing method on virtual server.

Question # 15

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Refer to the exhibits.

An LTM device has been configured for load balancing a number of different application servers. Configuration changes need to be made to the LTM device to allow administrative management of the servers in 172.16.10/24, 172.16.20/24, and 172.16.30/24 networks. The servers require outbound access to numerous destinations for operations.

Which solution has the simplest configuration changes while maintaining functionality and basic security?

Remove 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24, and keep 0.0.0.0:0/0.0.0.0 enabled on all VLANs.

Replace 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24, with 172.16.0.0:0/16, and keep 0.0.0.0:0/0.0.0.0.

Enable 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24 on ingress VLAN(s), and enable 0.0.0.0:0/0.0.0.0 on egress VLAN(s).

Enable 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24 on egress VLAN(s), and enable 0.0.0.0:0/0.0.0.0 on ingress VLAN(s).

Question # 16

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Refer to the exhibit.

A server administrator notices that one server is intermittently NOT being sent any HTTP requests. The server logs display no issues. The LTM Specialist notices log entries stating the node (172.16.20.1) status cycling between down and up. The pool associated with the virtual server (10.10.1.100) has a custom HTTP monitor applied.

Which tcpdump filter will help trace the monitor?

tcpdump -i internal port 80 and host 172.16.1.31

tcpdump -i external port 80 and host 10.10.1.100

tcpdump -i internal port 80 and host 172.16.1.33

tcpdump -i external port 80 and host 172.16.20.1

Question # 17

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 correct serial port.

Which command should the LTM Specialist run through ssh to verify that the baud rate settings for the serial port are correct on the LTM device?

tmsh list /sys console

tmsh edit /sys console

tmsh show /sys console

tmsh show /ltm console

Question # 18

An application is configured on an LTM device:

Virtual server: 10.0.0.1:80 (VLAN vlan301)

SNAT IP: 10.0.0.1

Pool members: 10.0.1.1:8080, 10.0.1.2:8080, 10.0.1.3:8080 (VLAN vlan302)

Which packet capture should the LTM Specialist perform on the LTM device command line interface to capture only client traffic specifically for this virtual server?

tcpdump -ni 0.0:nnn -s 0 'host 10.0.0.1' -w /var/tmp/trace.cap

tcpdump -ni vlan301 -s 0 'port 80 and host 10.0.0.1' -w /var/tmp/trace.cap

tcpdump -ni vlan301 -s 0 'port 8080 and host 10.0.1.1 or host 10.0.1.2 or host 10.0.1.3' -w /var/tmp/trace.cap

tcpdump -ni vlan302 -s 0 'port 8080 and host 10.0.1.1 or host 10.0.1.2 or host 10.0.1.3' -w /var/tmp/trace.cap

tcpdump -ni 0.0:nnn -s 0 '(port 80 and host 10.0.0.1) or (port 8080 and host 10.0.1.1 or host 10.0.1.2 or host 10.0.1.3)' -w /var/tmp/trace.cap

Question # 19

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/1.1

HTTP/1.1 400 Bad Request

DatE. Tue, 23 Oct 2012 21:39:07 GTM

Server: Apache/2.2.22 (FreeBSD) PHP/5.4.4

mod_ssl/2.2.22 OpenSSL/0.9.8q DAV/2

Content-LengtH. 226

Connection: close

Content-TypE. text/html; charset=iso-8859-1

Which issue is the pool member having?

The pool member has too many concurrent connections.

The pool member is rejecting the request because it is invalid.

The pool member lacks the object requested by the monitor.