F5 301b 問題集

質問 1：
-- Exhibit-

-- Exhibit --
Refer to the exhibit.
Which step should an LTM Specialist take next to finish upgrading to HD1.3?
A. Install hotfix to HD1.3
B. Install image to HD1.3
C. Activate HD1.3
D. Relicense HD1.3
正解：C

質問 2：
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.Wed, 12 Aug 2009 00:00:30 GMT Accept-Ranges: bytes Content-LengtH.1063 X-Cnection: close Content-TypE.text/html; charset=UTF-8 Vary: Accept-Encoding Content-EncodinG.gzip Connection: Keep-Alive
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 header field is contributing to the issue?
A. Cookie content
B. HTTP Method
C. User-Agent Value
D. Accept-Encoding header
正解：D

質問 3：
Which iRule statement demotes a virtual server from CMP?
A. set ::foo 123
B. persist source_addr 1800
C. [ class match $HTTP_CONTENT contains my_data_class ]
D. set static::foo 123
正解：A

質問 4：
Given a tcpdump on an LTM device from both sides of a connection on the External and Internal VLANs, how should an LTM Specialist determine if SNAT is enabled for a particular pool?
A. by checking to see if the Destination IP is carried through from the External Vlan to the Internal Vlan
B. by checking to see if the Destination port is carried through from the External Vlan to the Internal Vlan
C. by checking to see if the Source IP is carried through from the External Vlan to the Internal Vlan
D. by checking to see if the Source port is carried through from the External Vlan to the Internal Vlan
正解：C

質問 5：
An active/standby pair of LTM devices deployed with network failover are working as desired. After external personnel perform maintenance on the network, the LTM devices are active/active rather than active/standby. No changes were made on the LTM devices during the network maintenance.
Which two actions would help determine the cause of the malfunction? (Choose two.)
A. checking synchronization of system clocks among the network devices
B. checking the configuration of the VLAN used for mirroring
C. checking the open ports in firewalls between the LTM devices
D. checking that the configurations are synchronized
E. checking the configuration of the VLAN used for failover
正解：C,E

質問 6：
An LTM Specialist configures the following iRule on an LTM device:
when HTTP_REQUEST { if {[string tolower [HTTP::uri]] contains "/URI1/" } { pool Pool1 } elseif {[string tolower [HTTP::uri]] contains "/URI2/" } { pool Pool2 } elseif {[string tolower [HTTP::uri]] contains "/URI3/" } { pool Pool3 } else { pool Pool4} }
Given the following request: http://www.example.comURI1/index.html?fu=bar&pass=1234
Which pool will be selected by the iRule?
A. Pool1
B. Pool3
C. Pool2
D. Pool4
正解：D

質問 7：
-- Exhibit- -- Exhibit -


Refer to the exhibits.
Users are able to access the application when connecting to the virtual server but are unsuccessful when connecting directly to the application servers. The LTM Specialist wants to allow direct access to the application servers.
Why are users unable to connect directly to the application servers?
A. The router does NOT have a route to the server subnet.
B. The LTM device does NOT have a SNAT on the External VLAN.
C. The LTM device does NOT have an IP Forwarding virtual server on the Internal VLAN.
D. The LTM device does NOT have an IP Forwarding virtual server on the External VLAN.
E. The web server does NOT have a correct default gateway.
正解：E

質問 8：
-- Exhibit- -- Exhibit -

Refer to the exhibit.
A client attempts to connect from a Google Chrome browser to a virtual server on a BIG-IP LTM. The virtual server is SSL Offloaded. When the client connects, the client receives an SSL error. The client receives the same errors when trying Mozilla Firefox and Internet Explorer browsers.
The LTM Specialist does an ssldump on the virtual server and receives the results as per the exhibit.
How should this be resolved?
A. Adjust the SSL key length in the SSL profile to match the minimum required by the client.
B. Upgrade the client to support the appropriate SSL cipher suite.
C. Select the appropriate "SSL Profile (Client)" in the virtual server settings.
D. Set the virtual server to listen on port 443 (HTTPS).
正解：C

質問 9：
Which two items can be logged by the Application Visibility Reporting analytics profile? (Choose two.)
A. HTTP Response Codes
B. HTTP version
C. Per Virtual Server CPU Utilization
D. User Agent
正解：A,D