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F5 301b Practice Test - Questions Answers, Page 15

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Question 141

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. An LTM Specialist is upgrading the LTM devices. Which device should be upgraded first?

Question 142

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. An LTM Specialist is working on an LTM 11.0.0 installation and has identified a security vulnerability as shown in the exhibit. The LTM Special

Question 143

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-- Exhibit -- -- Exhibit -- 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 i

Question 144

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. Which step should an LTM Specialist take next to finish upgrading to HD1.3?

Question 145

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. Users receive an error when attempting to connect to the website https://website.com . The website has a DNS record of 195.56.67.90. The upstr

Question 146

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-- 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 cl

Question 147

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. An LTM Specialist has a virtual server set up on the LTM device as per the exhibit. The LTM Specialist receives reports of intermittent issues.

Question 148

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client softwar

Question 149

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. A company uses a complex piece of client software that connects to one or more virtual servers hosted on an LTM device. The client software is

Question 150

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-- Exhibit -- -- Exhibit -- Refer to the exhibit. A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client softwar

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?

-- 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.)

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?

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 141

-- Exhibit --

Refer to the exhibit.

An LTM Specialist is upgrading the LTM devices.

Which device should be upgraded first?

Device A

Device B

Device C

Device D

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An LTM Specialist is working on an LTM 11.0.0 installation and has identified a security vulnerability as shown in the exhibit. The LTM Specialist is tasked with applying the latest available hotfix to resolve the problem.

Which procedure resolves the problem?

Browse to System > Software Management > Hotfix List. Import TMOS 11.2.0 to the available hotfix images. Select the imported hotfix image and installation location and click Install.

Browse to System > Software Management > Hotfix List. Import 11.1.0.HF3 to the available hotfix images. Select the imported hotfix image and installation location and click Install.

Browse to System > Software Management > Image List. Import TMOS 11.2.0 to the available hotfix images. Select the imported hotfix image and installation location and click Install.

Browse to System > Software Management > Image List. Import 11.1.0.HF3 to the available hotfix images. Select the imported hotfix image and installation location and click Install.

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Question 143

-- Exhibit --

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.

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Question 144

-- Exhibit --

Refer to the exhibit.

Which step should an LTM Specialist take next to finish upgrading to HD1.3?

Install image to HD1.3

Install hotfix to HD1.3

Activate HD1.3

Relicense HD1.3

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Question 145

-- Exhibit --

Refer to the exhibit.

Users receive an error when attempting to connect to the website https://website.com. The website has a DNS record of 195.56.67.90. The upstream ISP has confirmed that there is nothing wrong with the routing between the user and the LTM device.

The following tcpdump outputs have been captured:

External Vlan, filtered on IP 168.210.232.5

00:25:07.598519 IP 168.210.232.5.33159 > 195.56.67.90.https: S 1920647964:1920647964(0) win 8192 <mss 1450,nop,nop,sackOK>

00:25:07.598537 IP 195.56.67.90.https > 168.210.232.5.33159: S 2690691360:2690691360(0) ack 1920647965 win 4350 <mss 1460,sackOK,eol>

00:25:07.598851 IP 168.210.232.5.33160 > 195.56.67.90.https: S 2763858764:2763858764(0) win 8192 <mss 1450,nop,nop,sackOK>

00:25:07.598858 IP 195.56.67.90.https > 168.210.232.5.33160: S 1905576176:1905576176(0) ack 2763858765 win 4350 <mss 1460,sackOK,eol>

Internal Vlan, filtered on IP 168.210.232.5

00:31:46.171124 IP 168.210.232.5.33202 > 192.168.100.20.http: S 2389057240:2389057240(0) win 4380 <mss 1460,nop,wscale 0,sackOK,eol>

What is the problem?

The filters on the tcpdumps are incorrect.

The DNS entry for website.com is incorrect.

The virtual server 'WEBSERVICES1' is listening on the incorrect port.

The firewall is dropping the connection coming from the pool members returned to the client.

The subnet masks of the pool members of pool WebServices1 and the f5 'Internal' Vlan are incorrect.

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Question 146

-- 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?

The SSL key length is incorrect.

The BIG-IP LTM is NOT serving a certificate.

The BIG-IP LTM is NOT listening on port 443.

The client needs to be upgraded to the appropriate cipher-suite.

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Question 147

-- Exhibit --

Refer to the exhibit.

An LTM Specialist has a virtual server set up on the LTM device as per the exhibit. The LTM Specialist receives reports of intermittent issues. Some clients are connecting fine while others are failing to connect.

The LTM Specialist does a tcpdump on the relevant interfaces, with the following results extracted:

What is causing the intermittent issues?

The firewall is dropping the packets from WS1.

The default gateway is inaccessible from WS1.

The load balancing (LB) method is inappropriate.

The pool members have been set up as an active/standby pair, with WS1 as the standby.

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Question 148

-- Exhibit --

Refer to the exhibit.

A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist is tasked with finding the cause of the problem.

The LTM Specialist has the tcpdump extract and knows the client software has at least one connection to a VS on port 1990. However, when a tcpdump runs on the internal VLAN, there is no record of port 1990 in the tcpdump.

Why is there no record of port 1990 in the tcpdump?

The LTM device drops the connection.

Port 1990 is a well-known port, so its use is restricted.

The LTM device performs a Port Address Translation (PAT).

The LTM device performs a Network Address Translation (NAT).

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Question 149

-- Exhibit --

Refer to the exhibit.

A company uses a complex piece of client software that connects to one or more virtual servers hosted on an LTM device. The client software is experiencing issues. An LTM Specialist must determine the cause of the problem.

The LTM Specialist has the tcpdump extract and knows the client source IP is 168.210.232.5.

Assuming no wildcard virtual servers, how many distinct virtual servers does the client connect to on the LTM device?

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Question 150

-- Exhibit --

Refer to the exhibit.

The LTM Specialist is seeing a client source IP of 168.210.232.5 in the tcpdump. However, the client source IP is actually 10.123.17.12.

Why does the IP address of 10.123.17.12 fail to appear in the tcpdump?

The LTM device performed NAT on the individual's IP address.

The Secure Network Address Translation (SNAT) pool on the virtual server is activated.

Network Address Translation (NAT) has occurred in the path between the client and the LTM device.

The individual's data stream is being routed to the LTM device by a means other than the default route.

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