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QUESTION 69
— Exhibit- — Exhibit –

Refer to the exhibit.
An LTM Specialist is reviewing the ‘test’ partition.
Which objects, in order, can be removed from the partition?

QUESTION 70
An LTM Specialist is tasked with ensuring that the syslogs for the LTM device are sent to a remote syslog server.
The following is an extract from the config file detailing the node and monitor that the LTM device is using for the
remote syslog server:
monitor
Syslog_15002 {
defaults from udp
dest *:15002
}
node 91.223.45.231 {
monitor Syslog_15002
screen RemoteSYSLOG
}
There seem to be problems communicating with the remote syslog server. However, the pool monitor shows that the remote server is up.
The network department has confirmed that there are no firewall rules or networking issues preventing the LTM device from
communicating with the syslog server. The department responsible for the remote syslog server indicates that there may
be problems with the syslog server. The LTM Specialist checks the BIG-IP LTM logs for errors relating to the remote syslog
server. None are found. The LTM Specialist does a tcpdump:
tcpdump -nn port 15002, with the following results:
21:28:36.395543 IP 192.168.100.100.44772 > 91.223.45.231.15002: UDP, length 19
21:28:36.429073 IP 192.168.100.100.39499 > 91.223.45.231.15002: UDP, length 169
21:28:36.430714 IP 192.168.100.100.39499 > 91.223.45.231.15002: UDP, length 181
21:28:36.840524 IP 192.168.100.100.39499 > 91.223.45.231.15002: UDP, length 169
21:28:36.846547 IP 192.168.100.100.39499 > 91.223.45.231.15002: UDP, length 181
21:28:39.886343 IP 192.168.100.100.39499 > 91.223.45.231.15002: UDP, length 144 NotE. 192.168.100.100 is the self IP of the LTM device.
Why are there no errors for the remote syslog server in the log files?

QUESTION 71
The end users of a web application need to verify that their browsers received the complete message-body from the web server.
Which HTTP header will accomplish this?

QUESTION 72
An LTM device is deployed in a one-armed topology. The virtual server, clients, and web servers are connected on the LTM device internal VLAN. A client tries to connect to the virtual server and is unable to establish a connection. A packet capture from the LTM device internal VLAN shows that the HTTP request is being forwarded to the web server.
From which two additional locations should protocol analyzer data be collected? (Choose two.)

QUESTION 73
An LTM Specialist is investigating reports from users that SSH connections are being terminated unexpectedly. SSH connections are load balanced through a virtual server. The users experiencing this problem are running SQL queries that take upwards of 15 minutes to return with no screen output. The virtual server is standard with a pool associated and no other customizations.
What is causing the SSH connections to terminate?

QUESTION 74
– 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 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?

QUESTION 75
— Exhibit- — Exhibit –

Refer to the exhibit.
An LTM Specialist is troubleshooting a virtual server. Both the virtual server and the pool are showing blue squares for their statuses, and new clients report receiving “The connection was reset” through their browsers. Connections directly to the pool member are successful.
What is the issue?

QUESTION 76
— 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 in the
exhibit?

QUESTION 77
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?

QUESTION 78
— 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. 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?

QUESTION 79
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 { }
}
snat automap
vlans-disabled
}
How should the LTM Specialist resolve this issue?

QUESTION 80
— Exhibit –

— Exhibit -Refer to the exhibit. Users report that a web application works incorrectly. Sometimes contextual data displayed on
the web pages is accurate; other times it is inaccurate.
The LTM administrator looks at the connection table with a filter on one of the client IP addresses currently connected using the command “tmsh show sys connection cs-client-addr 10.0.20.1”
with the following results:
10.0.20.1:60048 10.0.20.88:80 10.0.20.1:60048 172.16.20.1:80 tcp 3 (tmm: 0) 10.0.20.1:60050 10.0.20.88:80 10.0.20.1:60050 172.16.20.3:80 tcp 3 (tmm: 0) 10.0.20.1:60047 10.0.20.88:80 10.0.20.1:60047 172.16.20.2:80 tcp 3 (tmm: 0) 10.0.20.1:60049 10.0.20.88:80 10.0.20.1:60049 172.16.20.1:80 tcp 3 (tmm: 0)
What is the solution to the problem?

QUESTION 81
An LTM Specialist is working with an LTM device configured with 10 virtual servers on the same domain with a different key/cert pair per virtual. For examplE.www.example.com; ftp.example.com; ssh.example.com; ftps.example.com.
What should the LTM Specialist do to reduce the number of objects on the LTM device?

QUESTION 82
An LTM Specialist is creating a custom EAV monitor.
In which directory should the LTM Specialist upload the script?

QUESTION 83
— Exhibit – — Exhibit -Refer to the exhibit. A layer 2 nPath routing configuration has been deployed. A packet capture contains a client

connection packet with the following properties:
Source IP: <Virtual Server>
Destination IP: <Client A>
At which two locations could the packet capture have been taken? (Choose two.)

QUESTION 84
Which command will identify the active LTM device currently handling client traffic?

QUESTION 85
An LTM Specialist sees these entries in /var/log/ltm:
Oct 25 03:34:31 tmm warning tmm[7150]: 01260017:4: Connection attempt to insecure SSL server (see RFC5746) aborteD. 172.16.20.1:443 Oct 25 03:34:32 tmm warning tmm[7150]: 01260017:4: Connection attempt to insecure SSL server (see RFC5746) aborteD. 172.16.20.1:443 Oct 25 03:34:32 tmm warning tmm[7150]: 01260017:4: Connection attempt to insecure SSL server (see RFC5746) aborteD. 172.16.20.1:443 Oct 25 03:34:32 tmm warning tmm[7150]: 01260017:4: Connection attempt to insecure SSL server (see RFC5746) aborteD. 172.16.20.1:443 Oct 25 03:34:32 tmm warning tmm[7150]: 01260017:4: Connection attempt to insecure SSL server (see RFC5746) aborteD. 172.16.20.1:443 Oct 25 03:34:33 tmm warning tmm[7150]: 01260017:4: Connection attempt to insecure SSL server (see RFC5746) aborteD. 172.16.20.1:443 Assume 172.16.20.0/24 is attached to the VLAN “internal.” What should the LTM Specialist use to troubleshoot this issue?

QUESTION 86
— Exhibit-

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

QUESTION 87
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 server traffic specifically for this application?

QUESTION 88
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?

QUESTION 89
— 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-device.”
What does the output mean?

QUESTION 90
The following decoded TCPDump capture shows the trace of a failing health monitor.
00:00:13.245104 IP 10.29.29.60.51947 > 10.0.0.12.http: P 1:59(58) ack 1 win 46 <nop,nop,timestamp
2494782300 238063789> out slot1/tmm3 lis
0x0000: 4500 006e 3b19 4000 4006 ce0c 0a1d 1d3c E..n;.@.@……<
0x0010: 0a00 000c caeb 0050 8be5 aca3 dd65 e3e1 …….P…..e..
0x0020: 8018 002e 1b41 0000 0101 080a 94b3 5b5c …..A……..[
0x0030: 0e30 90ad 4745 5420 2f74 6573 745f 7061 .0..GET./test_pa
0x0040: 6765 2e68 746d 6c20 4854 5450 312e 310d ge.html.HTTP1.1.
0x0050: 0a48 6f73 743a 200d 0a43 6f6e 6e65 6374 .Host:…Connect
0x0060: 696f 6e3a 2043 6c6f 7365 0d0a 0d0a 0105 ion:.Close……
0x0070: 0100 0003 00 …..
00:00:13.245284 IP 10.0.0.12.http > 10.29.29.60.51947: . ack 59 win 362 <nop,nop,timestamp 238063789
2494782300> in slot1/tmm3 lis
0x0000 0ffd 0800 4500 00c9 6f68 4000 8006 755d ….E…oh@…u]
0x0010 0a29 0015 0a29 0103 0050 e0d6 4929 90eb .)…)…P..I)..
0x0020 6f12 d83c 8019 fab3 9b31 0000 0101 080a o..<…..1……
0x0030 0068 4e10 5240 6150 4854 5450 2f31 2e31 .hN.R@aPHTTP/1.1
0x0040 2034 3030 2042 6164 2052 6571 7565 7374 .400.Bad.Request
0x0050 0d0a 436f 6e74 656e 742d 5479 7065 3a20 ..Content-Type:.
0x0060 7465 7874 2f68 746d 6c0d 0a44 6174 653a text/html..Date:
0x0070 2054 6875 2c20 3231 204a 616e 2032 3031 .Mon,.01.Jan.201
0x0080 3020 3138 3a35 383a 3537 2047 4d54 0d0a 2.00:00:01.GMT..
0x0090 436f 6e6e 6563 7469 6f6e 3a20 636c 6f73 Connection:.clos
0x00a0 650d 0a43 6f6e 7465 6e74 2d4c 656e 6774 e..Content-Lengt
0x00b0 683a 2032 300d 0a0d 0a3c 6831 3e42 6164 h:.20….<h1>Bad
0x00c0 2052 6571 7565 7374 3c2f 6831 3e .Request</h1>
The health monitor is sending the string shown in the capture; however, the server response is NOT as expected. The correct response should be an HTML page including the string ‘SERVER IS UP’.
What is the issue?

QUESTION 91
— 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 devices become Standby. The rule drops all outbound sessions to the Internet. Only inbound connections are allowed from the Internet. There are no other changes to the environment.
What triggered the LTM device failover?