السؤال #1

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 "Checkout" button on the site, which redirects the user to port 443 for the checkout process. Suddenly, the user's shopping cart is shown as empty. The shopping cart data is stored in memory on the server, and the default source address persistence profile is used on both virtual servers. How should the LTM Specialist resolve thi

A. Add an HTTP profile to both virtual servers

B. Enable SNAT Automap on both virtual servers

C. Create a custom persistence profile and enable "Map Proxies

D. Create a custom persistence profile and enable "Match Across Services

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اجابة صحيحة: D

السؤال #2

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 digital signature does not match contents)" Which command should the LTM Specialist use to prevent the error?

A. tmsh show /sys license

B. tmsh show /sys hardware

C. bigpipe config save /config

D. tmsh load /sys /ucs rma

E. tmsh load /sys ucs no-license

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اجابة صحيحة: B

السؤال #3

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 {

A. Enable HTTP monitoring on the pool

B. Add a ClientSSL profile to the virtual server

C. Disable SNAT Automap on the virtual server

D. Remove the HTTP profile from the virtual server

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اجابة صحيحة: C

السؤال #4

An LTM Specialist needs to rewrite text within an HTML response from a web server. A client is sending the HTTP request below: GET / HTTP/1.1 Host: www.f5.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0 Accept: text/html,application/xhtml+xml,application/ xml;q=0.9,*/*;q=0.8 Accept-LanguagE.en-US,en;q=0.5 Accept-EncodinG.gzip, deflate Cache-Control: no-cache Connection: keep-alive CookiE.somecookie=1 Although a stream profile has been added to the virtual server, the

A. Connection

B. Accept

C. Cache-Control

D. Accept-Encoding

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اجابة صحيحة: B

السؤال #5

A virtual server is defined per the charts. The last five client connections were to members C, D, A, B,

B. Giventhe conditions shown in the above graphic, if a client with IP address 205

A. 172

B. 172

C. 172

D. 172

E. 172

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اجابة صحيحة: C

السؤال #6

An LTM Specialist has just captured trace /var/tmp/trace.cap for site www.example.com while listening on virtual address 10.0.0.1:443 configured on partition ApplicationA. The data payload being captured is SSL encrypted. Which command should the LTM Specialist execute to decrypt the data payload?

A. ssldump -Aed -nr /var/tmp/trace

B. ssldump -Aed -nr /var/tmp/trace

C. ssldump -Aed -nr /var/tmp/trace

D. ssldump -Aed -nr /var/tmp/trace

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اجابة صحيحة: D

السؤال #7

When configuring a pool member's monitor, which three association options are available? (Choose three.)

A. inherit the pool's monitor

B. inherit the node's monitor

C. configure a default monitor

D. assign a monitor to the specific member

E. do not assign any monitor to the specific member

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اجابة صحيحة: D

السؤال #8

Which iRule will instruct the client's browser to avoid caching HTML server responses?

A. when HTTP_REQUEST { if {[HTTP::header Content-Type] equals "html"} { HTTP::header insert Pragma "no-cache" HTTP::header insert Expires "Fri, 01 Jan 1990 00:00:00 GMT" HTTP::header replace Cache-Control "no-cache,no-store,must-revalidate" } }

B. when HTTP_REQUEST { if {[HTTP::header Content-Type] contains "html"} { HTTP::header insert Pragma "no-cache" HTTP::header insert Expires "Fri, 01 Jan 1990 00:00:00 GMT" HTTP::header replace Cache-Control "no-cache,no-store,must-revalidate" } }

C. when HTTP_RESPONSE { if {[HTTP::header Content-Type] contains "html"} { HTTP::header insert Pragma "no-cache" HTTP::header insert Expires "Fri, 01 Jan 1990 00:00:00 GMT" HTTP::header replace Cache-Control "no-cache,no-store,must-revalidate" } }

D. when HTTP_RESPONSE { if {[HTTP::header Content-Type] equals "html"} { HTTP::header insert Pragma "no-cache" HTTP::header insert Expires "Fri, 01 Jan 1990 00:00:00 GMT" HTTP::header replace Cache-Control "no-cache,no-store,must-revalidate" } }

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اجابة صحيحة: C

السؤال #9

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 supplies fails or is NOT plugged in?

A. visible only via the console

B. in the /var/log/ltm log file

C. in the /var/log/kern

D. in the /var/log/tmm log file

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اجابة صحيحة: A

السؤال #10

Which statement is true concerning the default communication between a redundant pair of BIG- IP devices?

A. Communication between the systems cannot be effected by port lockdown settings

B. Data for both connection and persistence mirroring are shared through the same TCP connection

C. Regardless of the configuration, some data is communicated between the systems at regular intervals

D. Connection mirroring data is shared through the serial fail-over cable unless network fail-over is enabled

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اجابة صحيحة: D

السؤال #11

The current status of a given pool member is unknown - Which condition could explain that state?

A. The member has no monitor assigned to it

B. The member has a monitor assigned to it and the most recent monitor was successful

C. The member has a monitor assigned to it and the monitor did not succeed during the most recent timeoutperiod

D. The member's node has a monitor assigned to it and the monitor did not succeed during the most recenttimeout period

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اجابة صحيحة: D

السؤال #12

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

A. AOM

B. ILO

C. SCCP

D. ALOM

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اجابة صحيحة: D

السؤال #13

The output of a tmsh command is:------------------------------------------------------------ Net::Interface Name Status Bits Bits Errs Errs Drops Drops Colli In Out In Out In Out sions ------------------------------------------------------------ 1.1 down 0 0 0 0 0 0 0 1.2 up 191.4K 0 0 0 374 0 0 1.3 down 0 0 0 0 0 0 0 1.4 up 22.5K 0 0 0 44 0 0 2.1 miss 0 0 0 0 0 0 0 2.2 miss 0 0 0 0 0 0 0 mgmt up 43.2G 160.0G 0 0 0 0 0 Which command was executed on the LTM device to show the output?

A. tmsh show /net interface

B. tmsh /net show interface status

C. tmsh /net show interface

D. tmsh show /net interface status

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اجابة صحيحة: C

السؤال #14

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. tcpdump -vvv -w /var/tmp/trace

B. tcpdump -vvv -s 0 -w /var/tmp/trace

C. tcpdump -vvv -nni vlan-301 -w /var/tmp/trace

D. tcpdump -vvv -s 0 -nni vlan-301 -w /var/tmp/trace

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اجابة صحيحة: D

السؤال #15

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 Host: www.example.com User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0 Accept: text/html,application/xhtml+xml,application/ xml;q=0.9,*/*;q=0.8 Accept-LanguagE.en-US,en;q=0.5 Accept-EncodinG.gzip, deflate Cache-Control: no-cache Connection: keep-alive CookiE.somecookie=1 HTTP/1.1 200 OK Server: Apache/2.2.15 (Unix) Last-ModifieD

A. HTTP Method

B. Cookie content

C. User-Agent Value

D. Accept-Encoding header

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اجابة صحيحة: C

السؤال #16

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 192.168.1.124:39272, [0x112d82a:1721] {peer} TCP RST from remote system." Which condition will trigger this log entry?

A. A virtual server connection limit has been reached

B. The host at the other end terminated the TCP connection

C. The LTM device reset the connection because no pool members are available

D. The LTM device has reached the maximum number of allowed attempts to send the data segment to the affected TCP connection

عرض الإجابة

اجابة صحيحة: A

السؤال #17

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 vla

A. Remove an HTTP monitor from the pool

B. Add an HTTP profile to the virtual server

C. Enable the pool member on the correct VLAN

D. Select the correct protocol for the virtual server

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اجابة صحيحة: C

السؤال #18

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 to 10.143.147.150:53 (proto 17) Oct 2 05:37:16 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17) Oct 2 05:57:32 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17) Oct 2 06:30:03 slot1/tmm7 crit tmm7[21734]: 01010

A. SNAT Pool

B. Pool Member

C. Port Lockdown

D. Virtual Server Port Translation

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اجابة صحيحة: D

السؤال #19

Which statement is true concerning SSL termination?

A. A virtual server that has both ClientSSL and ServerSSL profiles can still support cookie persistence

B. Decrypting traffic at the BIG-IP allows the use of iRules for traffic management, but increases the load on the pool member

C. When any virtual server uses a ClientSSL profile, all SSL traffic sent to the BIG-IP is decrypted before it is forwarded to servers

D. If a virtual server has both a ClientSSL and ServerSSL profile, the pool members have less SSL processing than if the virtual server had only a ClientSSL profile

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اجابة صحيحة: D

السؤال #20

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 How should the LTM Specialist resolve this issue?

A. Add '200 OK' to the monitor's receive string

B. Add 'Connection: close\r\n' to the monitor's send string

C. Change the interval on the monitor from 5 seconds to 30 seconds

D. Change the HTTP version in the send string from HTTP/1

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اجابة صحيحة: CE

السؤال #21

When using the setup utility to configure a redundant pair, you are asked to provide a "Failover Peer IP". Which address is this?

A. an address of the other system in its management network

B. an address of the other system in a redundant pair configuration

C. an address on the current system used to listen for fail-over messages from the partner BIG-IP

D. an address on the current system used to initiate mirroring and network fail-over heartbeat messages

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اجابة صحيحة: D

السؤال #22

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 in

A. tmsh show /sys mcpd

B. bigstart status mcpd

C. tmsh modify /sys db log

D. tmsh modify /sys db log

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اجابة صحيحة: C

السؤال #23

Which event is always triggered when a client initially connects to a virtual server configured with an HTTPprofile?

A. HTTP_DATA

B. CLIENT_DATA

C. HTTP_REQUEST

D. CLIENT_ACCEPTED

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اجابة صحيحة: ABD

السؤال #24

Which action will take place when a failover trigger is detected by the active system?

A. The active device will take the action specified for the failure

B. The standby device also detects the failure and assumes the active role

C. The active device will wait for all connections to terminate and then fail-over

D. The standby device will begin processing virtual servers that have failed, but the active device will continueservicing the functional virtual servers

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اجابة صحيحة: A

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