質問 1:An LTM Specialist connects to an LTM device via the serial console cable and receives unreadable output. The LTM Specialist is using the appropriate cable and connecting it to the correct serial port.
Which command should the LTM Specialist run through ssh to verify that the baud rate settings for the serial port are correct on the LTM device?
A. tmsh list /sys console
B. tmsh edit /sys console
C. tmsh show /sys console
D. tmsh show /ltm console
正解:C
質問 2:-- 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 3:-- 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 is seeing a client source IP of 168.210.232.5 in the tcpdump. However, the client source IP is actually 10.123.17.12.
Why does the IP address of 10.123.17.12 fail to appear in the tcpdump?
A. The Secure Network Address Translation (SNAT) pool on the virtual server is activated.
B. The individual's data stream is being routed to the LTM device by a means other than the default route.
C. Network Address Translation (NAT) has occurred in the path between the client and the LTM device.
D. The LTM device performed NAT on the individual's IP address.
正解:C
質問 4:An LTM Specialist has a single HTTPS virtual server doing SSL termination. No server SSL profile is defined. The pool members are on the internal VLAN answering on HTTP port 80. Users with certain browsers are experiencing issues.
Which two locations are most appropriate to gather packets needed to determine the SSL issue? (Choose two.)
A. server interface
B. user's computer
C. LTM device's internal VLAN
D. LTM device's management interface
E. LTM device's external VLAN
正解:B,E
質問 5:While investigating the cause of a device failover, an LTM Specialist discovers the following events in /var/log/ltm:
01010029:5: Clock advanced by 518 ticks 01010029:5: Clock advanced by 505 ticks 01010029:5: Clock advanced by 590 ticks 01010029:5: Clock advanced by 568 ticks 01010029:5: Clock advanced by 1681 ticks 01010029:5: Clock advanced by 6584 ticks 01140029:5: HA daemon_heartbeat tmm fails action is failover and restart. 010c0026:5: Failover condition, active attempting to go standby.
Which issue caused the failover?
A. HA missing heartbeat packets
B. VLAN Fail-safe heartbeats
C. NTP being out of sync
D. TMM being descheduled
正解:D
質問 6:The output of a tmsh command is:-----------------------------------------------------------Net::Interface Name Status Bits Bits Errs Errs Drops Drops Colli In Out In Out In Out sions ------------------------------------------------------------ 1.1 down 0 0 0 0 0 0 0 1.2 up 191.4K 0 0 0 374 0 0 1.3 down 0 0 0 0 0 0 0 1.4 up 22.5K 0 0 0 44 0 0 2.1 miss 0 0 0 0 0 0 0 2.2 miss 0 0 0 0 0 0 0 mgmt up 43.2G 160.0G 0 0 0 0 0
Which command was executed on the LTM device to show the output?
A. tmsh show /net interface
B. tmsh /net show interface status
C. tmsh show /net interface status
D. tmsh /net show interface
正解:A
質問 7:An LTM Specialist must perform a hot fix installation from the command line.
What is the correct procedure to ensure that the installation is successful?
A. import the hot fix to the /shared/images directory check the integrity of the file with an md5 checksum tmsh install sys software hotfix <hotfix_name>.iso volume <volume_name>
B. import the hot fix to the /shared/images directory check the integrity of the file with an md5 checksum tmsh apply sys software hotfix volume <volume_name> <hotfix_name>.iso
C. import the hot fix to the /var/shared/images directory check the integrity of the file with an md5 checksum tmsh apply sys software hotfix volume <volume_name> <hotfix_name>.iso
D. import the hot fix to the /var/shared/images directory check the integrity of the file with an md5 checksum tmsh install sys software hotfix <hotfix_name>.iso volume <volume_name>
正解:A
質問 8:A web application requires the client to provide the destination server and service identification.
Which HTTP header will supply this information?
A. Host
B. Expect
C. From
D. Connection
正解:A
質問 9:An LTM Specialist configures a new HTTP virtual server on an LTM device external VLAN. The web servers are connected to the LTM device internal VLAN. Clients trying to connect to the virtual server are unable to establish a connection. A packet capture shows an HTTP response from a web server to the client and then a reset from the client to the web server.
From which two locations could the packet capture have been collected? (Choose two.)
A. management VLAN interface of the LTM device
B. network interface of web server
C. network interface of client machine
D. internal VLAN interface of the LTM device
E. external VLAN interface of the LTM device
正解:B,C
TopExamは君に301bの問題集を提供して、あなたの試験への復習にヘルプを提供して、君に難しい専門知識を楽に勉強させます。TopExamは君の試験への合格を期待しています。
F5 301b 認定試験の出題範囲:
トピック | 出題範囲 |
---|
トピック 1 | - Determine the appropriate upgrade and recovery steps required to restore functionality to LTM devices
- Troubleshoot Basic Virtual Server Connectivity Issues
|
トピック 2 | - Determine the appropriate upgrade steps required to minimize application
- Determine from where the protocol analyzer data should be collected
|
トピック 3 | - Identify the appropriate command to use to determine the cause of an LTM device problem
- determine which objects to remove or consolidate to simplify the LTM configuration
|
トピック 4 | - Describe the benefits of custom alerting within an LTM environment
- Interpret AVR information to identify performance issues or application attacks
|
トピック 5 | - Describe how to set up custom alerting for an LTM device
- Determine the root cause of an application problem
|
トピック 6 | - Determine the appropriate profile setting modifications
- Determine a solution to an application problem
|
参照:https://techdocs.f5.com/dam/f5/kb/global/solutions/k29900360/301b_-_BIG-IP_LTM_Specialist_Maintain_and_Troubleshoot.pdf
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