2024 F5 301b Exam Prep: Practice Tests & Study Materials, 301B – BIG-IP LTM Specialist

Question #1

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

View answer

Correct Answer: C

Question #2

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 h

A. The username and password are incorrect

B. The server has an incorrect date configured

C. The client is using the wrong type of browser

D. The wrong authentication mechanism is being used

View answer

Correct Answer: D

Question #3

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

View answer

Correct Answer: D

Question #4

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?

A. The pool member has too many concurrent connections

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

C. The pool member lacks the object requested by the monitor

D. The pool member is NOT accepting requests from the LTM device IP address

View answer

Correct Answer: CD

Question #5

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

View answer

Correct Answer: B

Question #6

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

View answer

Correct Answer: D

Question #7

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 configuration sync. Which command should the LTM Specialist execute on the active LTM device to force a failover to the standby node and restore web browsing?

A. tmsh /sys failover standby

B. tmsh run /sys failover standby

C. tmsh /sys failover status standby

D. tmsh run /sys failover status standby

View answer

Correct Answer: C

Question #8

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-Modifi

A. HTTP Method

B. Cookie content

C. User-Agent Value

D. Accept-Encoding header

View answer

Correct Answer: D

Question #9

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 two.)

A. Configure the AOM IP from the front panel buttons and LCD

B. Choose the network configurator in the AOM menu on the serial port

C. Configure the AOM network address in the GUI under System>Platform

D. Log in to the Host via ssh, "ssh aom", and modify the network configuration file

View answer

Correct Answer: B

Question #10

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. What is the issue?

A. The port 80 pool member is deleting the user's session cookie

B. The port 443 pool member is deleting the user's session cookie

C. The port 80 and port 443 connections are balanced to the same node

D. The port 80 and port 443 connections are balanced to different nodes

View answer

Correct Answer: D

Question #11

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

View answer

Correct Answer: D

Question #12

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 externally. The pool member address is 192.168.200.10:80. A capture from an external client shows: GET /index.jsp HTTP/1.1 Host: 207.206.201.100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0.1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Connection: keep-alive HTTP/1.1 30

A. Assign a SNAT pool to the virtual server

B. Add a Web Acceleration Profile to the virtual server

C. Configure redirect rewrite option in the HTTP profile

D. Configure a content filter on the backend web server

View answer

Correct Answer: B

Question #13

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

View answer

Correct Answer: D

Question #14

The LTM device is configured to provide load balancing to a set of web servers that implement access control lists (ACL) based on the source IP address of the client. The ACL is at the network level and the web server is configured to send a TCP reset back to the client if it is NOT permitted to connect. The virtual server is configured with the default OneConnect profile. The ACL is defined on the web server as: Permit: 192.168.136.0/24 Deny: 192.168.116.0/24 The packet capture is taken of two individual c

A. A global SNAT is defined

B. SNAT automap was enabled on the virtual server

C. The idle TCP session from the first client was re-used

D. A source address persistence profile is assigned to the virtual server

View answer

Correct Answer: C

Question #15

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

View answer

Correct Answer: D

Question #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

View answer

Correct Answer: D

Question #17

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 review log files. Which command does the LTM Specialist need to run to access the bash shell?

A. exit

B. quit

C. run /cli bash

D. run /util bash

View answer

Correct Answer: E

Question #18

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

View answer

Correct Answer: D

Question #19

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, t

A. Connection

B. Accept

C. Cache-Control

D. Accept-Encoding

View answer

Correct Answer: C

Question #20

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 device 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 enab

A. The virtual server is disabled on all VLANs

B. The pool member is marked down by a monitor

C. The pool member is marked down administratively

D. The virtual server is configured for the incorrect protocol

View answer

Correct Answer: A

Question #21

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 the problem and find a solution, the LTM Specialist runs two concurrent traces on the LTM device, with the following results: Trace on client side: tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on 0.0, link-type EN10MB (Ethernet), capture size 96 bytes 22:22:07.423759 IP 172.16.20.100.53875 >

A. Edit the packet filter rules

B. Modify the monitor of the pool

C. Enable the virtual server

D. Configure the virtual server to use SNAT

View answer

Correct Answer: D

Question #22

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

View answer

Correct Answer: D

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2024 F5 301b Exam Prep: Practice Tests & Study Materials, 301B – BIG-IP LTM Specialist | SPOTO

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2024 F5 301b Exam Prep: Practice Tests & Study Materials, 301B – BIG-IP LTM Specialist | SPOTO

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