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NEW QUESTION 91
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. Change the HTTP version in the send string from HTTP/1.1 to HTTP/1.0.
- C. Change the interval on the monitor from 5 seconds to 30 seconds.
- D. Add 'Connection: close\r\n' to the monitor's send string.
Answer: B
NEW QUESTION 92
-- Exhibit-
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is reviewing the virtual server configuration on an LTM device.
Which two actions should the LTM Specialist perform to minimize the virtual server configuration? (Choose two.)
- A. Combine 'marketing_class' and 'default_class' into one class and update associations on the virtual server.
- B. Remove the 'default_class' from the virtual server.
- C. Combine 'acct_class' and 'marketing_class' into one class and update associations on the virtual server.
- D. Remove the 'http' profile from the virtual server.
- E. Remove 'snat automap' from the virtual server.
Answer: B,C
NEW QUESTION 93
What do the following iRule commands do when they are used in the same iRule?
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]"
- A. The commands set up a high-speed logging connection and then send the geographical database to the server.
- B. The commands set up a high-speed logging connection and then send the host header and client geographical detail to the connection.
- C. The commands set up a high-speed logging connection to the LTM device and then send the host header and client geographical detail to the connection.
- D. The commands set up a high-speed logging connection and then send the host header, HTTP payload, and client geographical detail to the connection.
Answer: B
NEW QUESTION 94
-- 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 software is experiencing issues. An LTM Specialist must determine the cause of the problem.
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?
- A. The individual's data stream is being routed to the LTM device by a means other than the default route.
- B. Network Address Translation (NAT) has occurred in the path between the client and the LTM device.
- C. The Secure Network Address Translation (SNAT) pool on the virtual server is activated.
- D. The LTM device performed NAT on the individual's IP address.
Answer: B
NEW QUESTION 95
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. Change the HTTP version in the send string from HTTP/1.1 to HTTP/1.0.
- C. Change the interval on the monitor from 5 seconds to 30 seconds.
- D. Add 'Connection: close\r\n' to the monitor's send string.
Answer: B
NEW QUESTION 96
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 run /sys failover status standby
- D. tmsh /sys failover status standby
Answer: B
NEW QUESTION 97
What does the following iRule do?
when CLIENT_ACCEPTED {
if { [matchclass [IP::client_addr] equals WebClient1-Whitelist1] }{
#log local0. "Valid client IP: [IP::client_addr] - forwarding traffic"
#Pool WebClient1
} else {
log local0. "Invalid client IP: [IP::client_addr] - discarding"
discard
}
}
- A. The iRule compares a client IP to a list. If the client IP is NOT on the list, the client is sent to Pool WebClient1. Otherwise, discard and log the discard.
- B. The iRule compares a client IP to a list. If the client IP is on the list, discard and log the discard.
- C. The iRule compares a client IP to a list. If the client IP is on the list, the client is sent to Pool WebClient1. Otherwise, discard and log the discard.
- D. The iRule compares a client IP to a list. If the client IP is NOT on the list, discard and log the discard.
Answer: D
NEW QUESTION 98
An LTM Specialist is running the following packet capture on an LTM device:
ssldump -Aed -ni vlan301 'port 443'
Which two SSL record message details will the ssldump utility display by default? (Choose two.)
- A. User-Agent
- B. Issuer
- C. ServerHello
- D. ClientHello
- E. HTTP Version
Answer: C,D
NEW QUESTION 99
-- Exhibit-
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is upgrading the LTM devices.
Which device should be upgraded first?
- A. Device D
- B. Device B
- C. Device A
- D. Device C
Answer: D
NEW QUESTION 100
An HA pair of LTM devices configured in Active-Standby mode stops responding to traffic and causes an outage. The Active device becomes Standby, but the partner device stays in Standby mode instead of taking over as Active. A reboot and restart of the services brings the LTM device to Active mode for a short time, but then it goes into Standby mode again.
Which two configuration components caused this condition? (Choose two.)
- A. Link down on Failover
- B. Gateway Fail-safe
- C. Switch Board Failure
- D. VLAN Fail-safe
- E. System Fail-safe
Answer: B,D
NEW QUESTION 101
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A user is unable to access an HTTP application via a virtual server.
What is the cause of the failure?
- A. The host header requires a host name.
- B. The Connection: Keep-Alive header is set.
- C. There is no pool member available to service the request.
- D. The virtual server is in the disabled state.
Answer: C
NEW QUESTION 102
An LTM Specialist notices the following error on the stdout console:
mcpd[2395]: 01070608:0: License is not operational(expired or digital signature does not match contents) Which command should be executed to verify the LTM device license?
- A. tmsh /util bigpipe version
- B. tmsh show /sys license
- C. tmsh show /sys license status
- D. bigpipe version
Answer: B
NEW QUESTION 103
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/1.1 302 Found DatE.Wed, 17 Oct 2012 23:09:55 GMT Server: Apache/2.2.15 (CentOS) Location: http://192.168.200.10/user/home.jsp Content-LengtH.304 Connection: close
What is the solution to this issue?
- A. Configure redirect rewrite option in the HTTP profile.
- B. Add a Web Acceleration Profile to the virtual server.
- C. Assign a SNAT pool to the virtual server.
- D. Configure a content filter on the backend web server.
Answer: A
NEW QUESTION 104
-- Exhibit -
-- Exhibit -
Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with an application configured on an LTM device. The application works properly when accessed directly via the servers; however, it does not work when accessed via the LTM device. The virtual server, 192.168.1.211:443, is configured to SNAT using the address 192.168.1.144 and references a pool with the member 192.168.10.80:443. The virtual server has no Client or Server SSL profiles associated.
Which configuration change will allow the application to function through the virtual server?
- A. Add Client and Server SSL profiles to the virtual server.
- B. Add SSL off-loading to the pool member.
- C. Change virtual server port to 8443.
- D. Change pool member port to 8443.
Answer: D
NEW QUESTION 105
-- Exhibit-
-- Exhibit -Refer to the exhibit.
An HTTP monitor always marks the nodes in the pool as down. The monitor's definition and the HTTP headers from the monitor request and response are provided.
What is the issue?
- A. The monitor timeout is too short.
- B. The response is compressed.
- C. The send string is incorrect.
- D. The monitor is NOT configured to follow the redirect.
Answer: C
NEW QUESTION 106
-- Exhibit -
-- Exhibit --
Refer to the exhibits.
Which URL on which server is causing the highest latency for users?
- A. /reflector.php on 172.16.20.2
- B. /Compress.HTML on 172.16.20.1
- C. /slow1.php on 172.16.20.3
- D. /slow2.php on 172.16.20.1
Answer: C
NEW QUESTION 107
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?
- A. The client is using the wrong type of browser.
- B. The username and password are incorrect.
- C. The wrong authentication mechanism is being used.
- D. The server has an incorrect date configured.
Answer: C
NEW QUESTION 108
An LTM Specialist is troubleshooting virtual server 10.0.0.1:443 residing on VLAN vlan301. The web application is accessed via www.example.com. The LTM Specialist wants to save a packet capture with complete decrypted payload for external analysis.
Which command should the LTM Specialist execute on the LTM device command line interface?
- A. tcpdump -vvv -s 0 -ni vlan301 'host 10.0.0.1 and port 443' -w /var/tmp/trace.cap
- B. tcpdump -vvv -s 0 'host 10.0.0.1 and port 443' -w /var/tmp/trace.cap
- C. ssldump -Aed -ni vlan301 -k /config/filestore/files_d/Common_d/certificate_key_d/
:Common:www.example.com.key_1 > /var/tmp/trace.cap - D. ssldump -Aed -k /config/filestore/files_d/Common_d/certificate_key_d/:Common:www.example.com.key_1
> /var/tmp/trace.cap
Answer: C
NEW QUESTION 109
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?
- A. The request does NOT include a User-Agent header.
- B. The HTTP monitor does NOT support monitoring jsp pages.
- C. The request does NOT include any cookies and the application is expecting a session cookie.
- D. The request includes an Accept-Encoding so the server is responding with a gzipped result and LTM monitors CANNOT handle gzipped responses.
Answer: C
NEW QUESTION 110
-- Exhibit-
-- Exhibit -
Refer to the exhibit.
An LTM Specialist configures a virtual server to perform client-side encryption while allowing the server-side traffic to be unencrypted. Application owners report that images are failing to load through the virtual server; however, images load when going directly to the server.
What is the problem with the images loading through the virtual server?
- A. Image references are for HTTPS objects, not HTTP.
- B. The virtual server does not have an HTTP profile associated.
- C. Image references are for HTTP objects, not HTTPS.
- D. The virtual server does not have "SSL Offloading" enabled.
Answer: C
NEW QUESTION 111
-- 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 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?
- A. The LTM device performs a Network Address Translation (NAT).
- B. The LTM device drops the connection.
- C. The LTM device performs a Port Address Translation (PAT).
- D. Port 1990 is a well-known port, so its use is restricted.
Answer: C
NEW QUESTION 112
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
Based on the output of the tmsh interface show command, what is the issue?
- A. There is a duplex mismatch on the management interface.
- B. There are too many drops on inbound traffic on interface 1.1.
- C. Interfaces 2.1 and 2.2 are defective and need replacement.
- D. Flow Control is NOT configured on the management interface.
Answer: A
NEW QUESTION 113
-- Exhibit- -- Exhibit -
Refer to the exhibits.
A customer requests to offload SSL for an internal website. The front page of the website loads correctly; however, selecting links on the page fails.
How should the LTM Specialist fix the issue?
- A. Create a new HTTP profile.
Enable redirect rewrite.
Add the new HTTP profile to the VS. - B. Create a new Server SSL profile.
Enable Proxy SSL.
Add the Server SSL profile to the VS. - C. Create a new SNAT pool.
Add internal network IPs to the SNAT pool.
Add the SNAT pool to the VS. - D. Create a new HTTP profile.
Enable Insert X-Forwarded-For.
Add the new HTTP profile to the VS.
Answer: A
NEW QUESTION 114
-- Exhibit - -- Exhibit -
Refer to the exhibits.
A virtual server has been configured for SSL offload on a single-arm network. On average, the virtual server will be handling 100,000 connections, with a peak of 130,000 connections. Between the virtual server and the web servers there is a single reverse proxy to provide site caching. The proxy is configured to perform source IP persistence before contacting the web servers. The site is logging users out immediately after logging them in.
What should the LTM Specialist do to resolve this issue?
- A. Create an iRule to add client IP persistence to a SNAT pool member.
- B. Add a source address persistence profile to the virtual server.
- C. Change the virtual server server-side TCP profile to tcp-lan-optimized.
- D. Configure the virtual server HTTP profile to insert an X-Forwarded-For header.
Answer: A
NEW QUESTION 115
......
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