301b試験無料問題集（210題）「F5 LTM Specialist: Maintain & Troubleshoot 認定」

出題：1

Which command should the LTM Specialist use to determine the current system time?

A. time

B. date

C. uname -a

D. ntpq -p

正解：B 解答を投票する

出題：2

-- 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?

A. Enable loose initiation in the TCP profile.

B. Increase the TCP timeout value in the TCP profile.

C. Add an FTP profile to the virtual server.

D. Add an FTP monitor to the pool.

正解：C 解答を投票する

出題：3

-- Exhibit-

-- Exhibit --
Refer to the exhibit.
Which step should an LTM Specialist take to utilize AVR?

A. reboot the device

B. provision AVR

C. install the AVR add-on

D. license the device for AVR

正解：B 解答を投票する

出題：4

A web application requires knowledge of the client's true IP address for logging and analysis purposes. Instances of the application that can decode X-Forwarded-For HTTP headers reside in pool_a, while pool_b instances assume the source IP is the true address of the client.
Which iRule provides the proper functionality?

A. when HTTP_RESPONSE {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
} }

B. when HTTP_OPEN { if {[HTTP::header exists X-Forwarded-For]}{ pool pool_a } else { pool pool_b } }

C. when HTTP_REQUEST { if {[HTTP::header exists X-Forwarded-For]}{ pool pool_a } else { pool pool_b } }

D. when HTTP_DATA {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
}
}

正解：C 解答を投票する

出題：5

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?

A. Expect

B. Range

C. Accept-Ranges

D. Content-Length

正解：D 解答を投票する

出題：6

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 解答を投票する

出題：7

-- Exhibit-

-- Exhibit -
Refer to the exhibits.
An LTM Specialist uses the information in the logs to determine the cause of a failover event in a high-availability (HA) pair.
What caused the failover?

A. The process bcm56xxd received SIGTERM from the watchdog process.

B. The configuration reload request caused the config to reload and the device to failover.

C. The system was administratively rebooted.

D. The overdog process crashed.

正解：C 解答を投票する

出題：8

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 and then send the host header, HTTP payload, and client geographical detail to the connection.

D. 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.

正解：B 解答を投票する

出題：9

-- 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 has the tcpdump extract. The client loses connection with the LTM device.
Where is the reset originating?

A. the local switch

B. the destination device of the initial connection

C. the application server

D. the device initiating the connection

正解：D 解答を投票する

出題：10

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?

A. TCP idle timeout

B. UDP IP ToS

C. The virtual server has no persistence.

D. The pool has Reselect Retries set to 0.

正解：A 解答を投票する

出題：11

An LTM device is load balancing SIP traffic. An LTM Specialist notices that sometimes the SIP request is being load balanced to the same server as the initial connection.
Which setting in the UDP profile will make the LTM device more evenly distribute the SIP traffic?

A. Disable Datagram LB

B. Set Timeout to Indefinite

C. Enable Datagram LB

D. Set Timeout to Immediate

正解：C 解答を投票する

出題：12

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

A. tmsh list /sys ha-status

B. tmsh run /sys failover standby

C. tmsh show /sys ha-status all-properties

D. b ha table show

E. tmsh show /cm traffic-group

正解：E 解答を投票する

出題：13

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 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 NOT on the list, the client is sent to Pool WebClient1. Otherwise, discard and log the discard.

C. The iRule compares a client IP to a list. If the client IP is on the list, 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.

正解：D 解答を投票する

出題：14

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?

A. Cache-Control

B. Connection

C. Accept

D. Accept-Encoding

正解：D 解答を投票する

301b試験無料問題集「F5 LTM Specialist: Maintain & Troubleshoot 認定」