Pass the F5 LTM Specialist 301b Questions and answers with CertsForce

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Viewing questions 21-30 out of questions
Questions # 21:

In which file would the LTM Specialist find virtual server configurations?

Options:

A.

bigip.conf


B.

bigip_sys.conf


C.

bigip_base.conf


D.

profile_base.conf


Expert Solution
Questions # 22:

-- Exhibit –

Question # 22

Question # 22

-- Exhibit --

Refer to the exhibit.

An LTM Specialist is troubleshooting an HTTP monitor that is marking a pool member as down. Connecting to the pool member directly through a browser shows the application is up and functioning correctly.

ltm monitor http http_mon {

defaults-from http

destination *:*

interval 5

recv "200 OK"

send "GET /\\r\\n"

time-until-up 0

timeout 16

}

What is the issue?

Options:

A.

The HTTP headers are compressed.


B.

The pool member is responding with a 404.


C.

The pool member is responding without HTTP headers.


D.

The request is NOT being received by the pool member.


Expert Solution
Questions # 23:

A web developer has created a custom HTTP call to a backend application. The HTTP headers being sent by the HTTP call are:

GET / HTTP/1.1

User-Agent: MyCustomApp (v1.0)

Accept: text/html

Cache-Control: no-cache

Connection: keep-alive

CookiE. somecookie=1

The backend server is responding with the following:

HTTP/1.1 400 Bad Request

DatE. Wed, 20 Jul 2012 17:22:41 GMT

Connection: close

Why is the HTTP web server responding with a HTTP 400 Bad Request?

Options:

A.

The client request does NOT include a Host header.


B.

The User-Agent header contains an invalid character.


C.

The web server is NOT expecting a keep-alive connection.


D.

The web server is configured to accept HTTP 1.0 requests only.


Expert Solution
Questions # 24:

The pool members are serving up simple static web content.

The current virtual server configuration is given as follows:

tmsh list ltm virtual simple

ltm virtual simple {

destination 10.10.10.10:80

ip-protocol tcp

mask 255.255.255.255

profiles {

http { }

httpcompression { }

oneconnect { }

tcp { }

}

snat automap

vlans-disabled

}

tmsh list ltm pool simple_pool

ltm pool simple_pool {

members {

10.10.10.11:80 {

address 10.10.10.11 }

10.10.10.12:80 {

address 10.10.10.12 }

10.10.10.12:80 {

address 10.10.10.13 }

}

}

Which three objects in the virtual server configuration can be removed without disrupting functionality of the virtual server? (Choose three.)

Options:

A.

tcp


B.

http


C.

oneconnect


D.

snat automap


E.

httpcompression


Expert Solution
Questions # 25:

-- Exhibit –

Question # 25

Question # 25

-- Exhibit --

Refer to the exhibits.

An LTM Specialist is troubleshooting an issue with one of the virtual servers on an LTM device, and all requests are receiving errors. Testing directly against the server generates no errors. The LTM Specialist has captured the request and response on both client and server sides of the LTM device.

What should the LTM Specialist do to fix this issue?

Options:

A.

Remove "header-erase Host" in http profile.


B.

Configure SNAT Automap on the virtual server.


C.

Assign OneConnect profile to the virtual server.


D.

Set "redirect-rewrite" to "selective" in http profile.


Expert Solution
Questions # 26:

An LTM device is monitoring three pool members. One pool member is being marked down.

What should the LTM Specialist enable to prevent the server from being flooded with connections once its monitor determines it is up?

Options:

A.

manual resume


B.

packet shaping


C.

hold down timer


D.

slow ramp timer


E.

fastest load balance algorithm


Expert Solution
Questions # 27:

-- Exhibit –

Question # 27

-- 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?

Options:

A.

Change the default gateway on the server.


B.

Create a SNAT in the LTM device configuration.


C.

Change the route to the client in the LTM configuration.


D.

Change the username and/or password on the monitor.


Expert Solution
Questions # 28:

An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "Unable to connect" in the browser, although connections directly to the pool member show the application is functioning correctly. The LTM configuration is:

ltm virtual /Common/vs_https {

destination /Common/10.10.1.110:443

ip-protocol udp

mask 255.255.255.255

pool /Common/pool_https

profiles {

/Common/udp { }

}

translate-address enabled

translate-port enabled

vlans-disabled

}

ltm pool /Common/pool_https {

members {

/Common/172.16.20.1:443 {

address 172.16.20.1

}

}

}

How should the LTM Specialist resolve this issue?

Options:

A.

Remove an HTTP monitor from the pool.


B.

Add an HTTP profile to the virtual server.


C.

Enable the pool member on the correct VLAN.


D.

Select the correct protocol for the virtual server.


Expert Solution
Questions # 29:

-- Exhibit –

Question # 29

Question # 29

-- Exhibit --

Refer to the exhibits.

Which two servers are missing two frequently used URLs? (Choose two.)

Options:

A.

172.16.20.1 /text.one /text.txt


B.

172.16.20.2 /text.one /text.txt


C.

172.16.20.1 /text.txt /browserspecific.html


D.

172.16.20.2 /text.one /browserspecific.html


E.

172.16.20.3 /text.one /browserspecific.html


Expert Solution
Questions # 30:

An LTM Specialist configures an HTTP monitor as follows:

ltm monitor http stats_http_monitor {

defaults-from http

destination *:*

interval 5

recv "Health check: OK"

send "GET /stats/stats.html 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

}

The monitor is marking all nodes as down. A trace of the HTTP conversation shows the following:

GET /stats/stats.html HTTP/1.1

Host: www.example.com

Accept-EncodinG. gzip, deflate

Connection: close

HTTP/1.1 401 Authorization Required

DatE. Tue, 23 Oct 2012 19:38:56 GMT

Server: Apache/2.2.15 (Unix)

WWW-AuthenticatE. Basic realm="Please enter your credentials"

Content-LengtH. 480

Connection: close

Content-TypE. text/html; charset=iso-8859-1

Which action will resolve the problem?

Options:

A.

Add an NTLM profile to the virtual server.


B.

Add a valid username and password to the monitor.


C.

Use an HTTPS monitor with a valid certificate instead.


D.

Add a backslash before the colon in the receive string.


Expert Solution
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