301B practice questions 71–80

1. Question 71 · 197 in bank

   Which iRule statement demotes a virtual server from CMP?

   • Aset ::foo 123
   • Bset static::foo 123
   • Cpersist source_addr 1800
   • D[ class match $HTTP_CONTENT contains my_data_class ]

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   Answer: A

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2. Question 72 · 197 in bank

   What is the effect of an iRule error such as referencing an undefined variable?

   • AThe iRule execution will continue with the next statement.
   • BThe execution of the current event within the iRule will be terminated.
   • CThe iRule execution will be terminated, and both the client and server side connections will be reset.
   • DThe connection will continue, but the iRule will NOT be executed again for the lifetime of the connection.

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   Answer: C

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3. Question 73 · 197 in bank

   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 } }

   • AThe iRule compares a client IP to a list. If the client IP is on the list, discard and log the discard.
   • BThe iRule compares a client IP to a list. If the client IP is NOT on the list, discard and log the discard.
   • CThe 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.
   • DThe 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.

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   Answer: B

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4. Question 74 · 197 in bank

   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]"

   • AThe commands set up a high-speed logging connection and then send the geographical database to the server.
   • BThe commands set up a high-speed logging connection and then send the host header and client geographical detail to the connection.
   • CThe commands set up a high-speed logging connection and then send the host header, HTTP payload, and client geographical detail to the connection.
   • DThe 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.

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   Answer: B

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5. Question 75 · 197 in bank

   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?

   • APool1
   • BPool2
   • CPool3
   • DPool4

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   Answer: D

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6. Question 76 · 197 in bank

   Given the iRule: when HTTP_REQUEST { if {([HTTP::username] ne "") and ([HTTP::password] ne "") } { log local0. "client ip [IP::remote_addr] credentials provided [HTTP::username] [HTTP::password]"} else { pool old_application_pool } } The associated virtual server has a default pool named new_application_pool. Which functionality does the iRule provide?

   • AAllows clients with credentials to access the old_application_pool and logs the access of clients without credentials to the new_application_pool.
   • BAllows clients without credentials to access the old_application_pool and logs the access of clients with credentials to the new_application_pool.
   • CAllows clients with credentials to access the old_application_pool and logs the attempted access of clients with credentials to the new_application_pool.
   • DAllows clients without credentials to access the old_application_pool and logs the attempted access of clients without credentials to the new_application_pool.

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   Answer: B

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7. Question 77 · 197 in bank

   A web application requires the client to provide the destination server and service identification. Which HTTP header will supply this information?

   • AHost
   • BFrom
   • CExpect
   • DConnection

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   Answer: A

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8. Question 78 · 197 in bank

   A web application is meant to log the URI of the resource that responded to the client's initial Request-URI. Which HTTP header will supply this information?

   • AVia
   • BServer
   • CTrailer
   • DReferer

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   Answer: D

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9. Question 79 · 197 in bank

   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?

   • ARange
   • BExpect
   • CAccept-Ranges
   • DContent-Length

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   Answer: D

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10. Question 80 · 197 in bank

    An HTTP 1.1 application utilizes chunking. Which header should be used to notify the client's browser that there are additional HTTP headers at the end of the message?

    • AETag
    • BFrom
    • CTrailer
    • DExpect

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    Answer: C

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301B practice, question 71. 197 questions available.