F5 301b 問題集

質問 1：
Users in a branch office are reporting a website is always slow. No other users are experiencing the problem. The LTM Specialist tests the website from the external VLAN along with testing the servers directly. All tests indicate normal behavior. The environment is a single HTTP virtual server on the external VLAN with a single pool containing three HTTP pool members on the internal VLAN.
Which two locations are most appropriate to collect additional protocol analyzer data? (Choose two.)
A. the LTM device's external VLAN
B. the LTM device's internal VLAN
C. a user's Active Directory authentication
D. the switch local to the user
E. a user's machine
正解：D,E

質問 2：
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 3：
Given the log entry:
011f0005:3: HTTP header (32800) exceeded maximum allowed size of 32768 (Client sidE.vip=/Common/VS_web profile=http pool=/Common/POOL_web client_ip=10.0.0.1)
Which HTTP profile setting can be modified temporarily to resolve the issue?
A. Decrease Maximum Header Count
B. Decrease Maximum Requests
C. Increase Maximum Header Count
D. Decrease Maximum Header size
E. Increase Maximum Header size
F. Increase Maximum Requests
正解：E

質問 4：
An LTM Specialist is working with an LTM device configured with 10 virtual servers on the same domain with a different key/cert pair per virtual. For examplE.www.example.com; ftp.example.com; ssh.example.com; ftps.example.com.
What should the LTM Specialist do to reduce the number of objects on the LTM device?
A. create a 0.0.0.0:0 virtual server thus eliminating all virtual servers
B. create a transparent virtual server thus eliminating all virtual servers
C. create a 0 port virtual server and have it answer for all protocols
D. create a wildcard certificate and use it on all *.example.com virtual servers
正解：D

質問 5：
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Refer to the exhibit.
An LTM Specialist is troubleshooting a new HTTP monitor on a pool. The pool member is functioning correctly when accessed directly through a browser, although the monitor is marking the member as down. As part of the troubleshooting, the LTM Specialist has captured the monitor traffic via tcpdump.
How should the LTM Specialist resolve this issue?
A. Add the 'icmp' monitor to the node.
B. Correct the firewall rules on the pool member.
C. Add the 'http' monitor to the pool.
D. Modify the receive string to valid content.
正解：D

質問 6：
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-- Exhibit --
Refer to the exhibit.
An LTM Specialist has uploaded a qkview to F5 iHealth.
Within the GUI, what is the correct procedure to comply with the recommendation shown in the exhibit?
A. Obtain product version image from release.f5.com.
Overwrite existing image with new product version image.
Select product version image and click Install.
Select the available disk and volume set name.
B. Obtain product version image from downloads.f5.com.
Import product version image.
Install image onto BIG-IP platform.
Select product version image and click Install.
Select the available disk and volume set name.
C. Log a call requesting the product version image via websupport.f5.com
Import product version image.
Install image onto BIG-IP platform.
Select product version image and click Install.
Select the available disk and volume set name.
D. Obtain product version image from images.f5.com.
Overwrite existing image with new product version image.
Select product version image and click Install.
Select the available disk and volume set name.
正解：B

質問 7：
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Refer to the exhibits.
An LTM Specialist is troubleshooting an application configured on an LTM device on a one-armed configuration. The application is NOT working through the LTM device but does work when accessed directly via the application servers. The virtual server
192.168.1.211:443 is configured to SNAT using the address 192.168.1.144 and references a pool with the member 192.168.10.80:443. No Client or Server SSL profiles are associated. The LTM Specialist has collected two traffic captures to help determine the issue.
What is the problem with the configuration on the LTM device?
A. Pool member is configured for SSL off-loading.
B. Virtual server is configured without SSL Profiles.
C. Pool member is configured to use wrong port.
D. Virtual server is configured to use wrong port.
正解：C

質問 8：
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-- Exhibit --
Refer to the exhibit.
The virtual server is listening on port 443.
What is the solution to the problem?
A. Add an SSL Client profile to the existing virtual server.
B. Modify the virtual server HTTP Profile to 'Redirect RewritE.All'.
C. Modify the virtual server HTTP Profile to 'Redirect RewritE.Matching'.
D. Modify the virtual server TCP profile to disable Nagle's Algorithm.
正解：B

質問 9：
Which command will identify the active LTM device currently handling client traffic?
A. b ha table show
B. tmsh show /sys ha-status all-properties
C. tmsh show /cm traffic-group
D. tmsh run /sys failover standby
E. tmsh list /sys ha-status
正解：C