301b 無料問題集「F5 LTM Specialist: Maintain & Troubleshoot」
-- 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 Specialist is tasked with applying the latest
available hotfix to resolve the problem.
Which procedure resolves the problem?
-- 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 Specialist is tasked with applying the latest
available hotfix to resolve the problem.
Which procedure resolves the problem?
正解:B
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-- 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?
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?
正解:D
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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 content within the HTTP response is NOT being matched, and therefore NOT modified.
Which HTTP header should the LTM Specialist remove from the request to ensure the content can be matched and modified?
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 content within the HTTP response is NOT being matched, and therefore NOT modified.
Which HTTP header should the LTM Specialist remove from the request to ensure the content can be matched and modified?
正解:C
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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 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?
-- 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?
正解:B
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-- Exhibit-
-- Exhibit -
Refer to the exhibit.
An LTM Specialist configures a virtual server to load balance to a pool of FTP servers. File transfers are failing. The virtual server is configured as follows:
ltm virtual ftp_vs { destination 10.10.1.103:ftp ip-protocol tcp mask 255.255.255.255 pool ftp_pool profiles { tcp { } } vlans-disabled }
Which change will resolve the problem?
-- Exhibit -
Refer to the exhibit.
An LTM Specialist configures a virtual server to load balance to a pool of FTP servers. File transfers are failing. The virtual server is configured as follows:
ltm virtual ftp_vs { destination 10.10.1.103:ftp ip-protocol tcp mask 255.255.255.255 pool ftp_pool profiles { tcp { } } vlans-disabled }
Which change will resolve the problem?
正解:A
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-- 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?
-- 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?
正解:D
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In preparation for a maintenance task, an LTM Specialist performs a "Force to Standby" on LTM device Unit 1. LTM device Unit 2 becomes active as expected. The maintenance task requires the reboot of Unit 1. Shortly after the reboot is complete, the LTM Specialist discovers that Unit 1 has become active and Unit 2 has returned to standby.
What would cause this behavior?
What would cause this behavior?
正解:D
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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 information on these entries? (Choose two.)
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 information on these entries? (Choose two.)
正解:B、D
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