（PDF)F5 Networks Certification Study Materials 301b試験と認定テストエンジン
無料提供中の301b試験問題集で（2023年最新のPDF問題集）信頼度の高い301bテストエンジン
F5 301b（LTMスペシャリスト：メンテナンス＆トラブルシューティング）認定試験は、F5 BIG-IP Local Traffic Manager（LTM）ソリューションのメンテナンスとトラブルシューティングのスキルと知識を検証するために設計された専門資格試験です。この認定試験は、ネットワーク管理者、システム管理者、ネットワークエンジニア、およびその他のITプロフェッショナルが、F5 BIG-IP LTMソリューションの管理とトラブルシューティングにおける専門知識をデモンストレーションするために最適です。
F5 301b（LTM Specialist：Maintain＆Troubleshoot）試験は、アプリケーションデリバリーネットワーキング（ADN）技術の主要な提供者であるF5 Networksが提供する高度な認定試験です。この試験は、F5 BIG-IP LTMシステムの管理とトラブルシューティングの経験があるITプロフェッショナルを対象に設計されています。この試験では、候補者の複雑な環境でのBIG-IP LTMシステムの維持とトラブルシューティングの能力を評価します。
F5 301b試験に備えて、受験者はトレーニングコース、学習ガイド、練習問題など、様々なリソースを活用することができます。F5 Networksでは、試験でテストされるトピックやスキルをカバーするトレーニングコースを提供しており、またオンラインで入手できるサードパーティの学習ガイドや練習問題も多数あります。適切な準備と練習により、受験者は試験に合格し、F5 Networks LTMスペシャリスト認定を取得する可能性を高めることができます。
質問 # 78
-- Exhibit -
-- Exhibit -Refer to the exhibits.
Every monitor has the same Send String, Recv String, and an Alias of *:*. The LTM Specialist simplifies the configuration to minimize the number of monitors.
How many unique monitors remain?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
正解：A
質問 # 79
-- 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 web server does NOT have a correct default gateway.
- B. The LTM device does NOT have an IP Forwarding virtual server on the External VLAN.
- C. The router does NOT have a route to the server subnet.
- D. The LTM device does NOT have a SNAT on the External VLAN.
- E. The LTM device does NOT have an IP Forwarding virtual server on the Internal VLAN.
正解：A
質問 # 80
An LTM Specialist has installed a hotfix that updated the SCCP firmware package.
Which command will ensure that the host subsystem and SCCP reboot?
- A. The reboot should be initiated via the HTTPS administration GUI.
- B. full_box_reboot
- C. reboot
- D. shutdown -r now
正解：B
質問 # 81
-- Exhibit-
-- Exhibit --
Refer to the exhibit.
Based on the output of the tmsh interface show command, what is the issue?
- A. Flow Control is NOT configured on the management interface.
- B. Interfaces 2.1 and 2.2 are defective and need replacement.
- C. There are too many drops on inbound traffic on interface 1.1.
- D. There is a duplex mismatch on the management interface.
正解：D
質問 # 82
Which command line interface command will check if the BIG-IP platform contains a packet velocity ASIC (PVA)?
- A. tmsh show /ltm hardware | grep -i pva
- B. tmsh show /sys hardware pva status
- C. tmsh show /sys hardware | grep -i pva
- D. bigpipe platform show | grep -i pva
正解：C
解説：
Explanation
質問 # 83
-- 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. Increase the TCP timeout value in the TCP profile.
- B. Add an FTP monitor to the pool.
- C. Add an FTP profile to the virtual server.
- D. Enable loose initiation in the TCP profile.
正解：C
質問 # 84
An LTM device is monitoring pool members on port 80. The LTM device is using an HTTP monitor with a send string of GET / and a blank receive string.
What would cause the pool members to be marked down?
- A. A pool member responds with an HTTP 200 series response code.
- B. A pool member responds with an HTTP 500 series response code.
- C. A pool member responds with an HTTP 300 series response code.
- D. A pool member responds with an HTTP 400 series response code.
- E. A pool member does NOT acknowledge the connection SYN on port 80.
正解：E
質問 # 85
An LTM device is running BIG-IP v10.2.0 software. The LTM Specialist is tasked with upgrading the LTM device to BIG-IP v11.2.0 HF1. The LTM Specialist starts the upgrade process by selecting the uploaded Hotfix and installing to an unused volume. After 10 minutes,the LTM Specialist checks the status of the upgrade process and notices that the process is stalled at 0%.
What should the LTM Specialist verify?
- A. the base software version exists on the LTM device
- B. the LTM device has an available Internet connection via the management interface
- C. the LTM device has been restarted into maintenance mode
- D. the selected volume has sufficient space available
正解：A
質問 # 86
The following decoded TCPDump capture shows the trace of a failing health monitor.
00:00:13.245104 IP 10.29.29.60.51947 > 10.0.0.12.http: P 1:59(58) ack 1 win 46
<nop,nop,timestamp 2494782300 238063789> out slot1/tmm3 lis=
0x0000: 4500 006e 3b19 4000 4006 ce0c 0a1d 1d3c E..n;.@.@......<
0x0010: 0a00 000c caeb 0050 8be5 aca3 dd65 e3e1 .......P.....e..
0x0020: 8018 002e 1b41 0000 0101 080a 94b3 5b5c .....A........[\
0x0030: 0e30 90ad 4745 5420 2f74 6573 745f 7061 .0..GET./test_pa
0x0040: 6765 2e68 746d 6c20 4854 5450 312e 310d ge.html.HTTP1.1.
0x0050: 0a48 6f73 743a 200d 0a43 6f6e 6e65 6374 .Host:...Connect
0x0060: 696f 6e3a 2043 6c6f 7365 0d0a 0d0a 0105 ion:.Close......
0x0070: 0100 0003 00 .....
00:00:13.245284 IP 10.0.0.12.http > 10.29.29.60.51947: . ack 59 win 362
<nop,nop,timestamp 238063789 2494782300> in slot1/tmm3 lis=
0x0000 0ffd 0800 4500 00c9 6f68 4000 8006 755d [email protected]]
0x0010 0a29 0015 0a29 0103 0050 e0d6 4929 90eb .)...)...P..I)..
0x0020 6f12 d83c 8019 fab3 9b31 0000 0101 080a o..<.....1......
0x0030 0068 4e10 5240 6150 4854 5450 2f31 2e31 .hN.R@aPHTTP/1.1
0x0040 2034 3030 2042 6164 2052 6571 7565 7374 .400.Bad.Request
0x0050 0d0a 436f 6e74 656e 742d 5479 7065 3a20 ..Content-Type:.
0x0060 7465 7874 2f68 746d 6c0d 0a44 6174 653a text/html..Date:
0x0070 2054 6875 2c20 3231 204a 616e 2032 3031 .Mon,.01.Jan.201
0x0080 3020 3138 3a35 383a 3537 2047 4d54 0d0a 2.00:00:01.GMT..
0x0090 436f 6e6e 6563 7469 6f6e 3a20 636c 6f73 Connection:.clos
0x00a0 650d 0a43 6f6e 7465 6e74 2d4c 656e 6774 e..Content-Lengt
0x00b0 683a 2032 300d 0a0d 0a3c 6831 3e42 6164 h:.20....<h1>Bad
0x00c0 2052 6571 7565 7374 3c2f 6831 3e .Request</h1>
The health monitor is sending the string shown in the capture; however, the server response is NOT as expected. The correct response should be an HTML page including the string 'SERVER IS UP'.
What is the issue?
- A. The wrong HTTP version is specified in the send string. Version 1.2 should be used instead of version 1.1.
- B. Incorrect syntax in send string. 'Connection: Close' should be 'Connection: Open'.
- C. Incorrect syntax in send string. 'HTTP1.1' should be 'HTTP/1.1'.
- D. The /test_page.html does NOT exist on the web server.
正解：C
質問 # 87
An LTM Specialist has just manually failed the active LTM device over to the standby LTM device. The LTM Specialist notices the newly active LTM device is NOT currently receiving traffic. The LTM Specialist verifies the newly active device is responding to ARP but still no traffic is hitting the virtual servers. The LTM Specialist also notices that the virtual servers eventually start responding.
What should be added to the configuration to resolve the problem?
- A. vlan failsafe
- B. MAC masquerading
- C. floating self IP
- D. network failover
- E. connection mirroring
正解：B
質問 # 88
-- Exhibit -
-- Exhibit -Refer to the exhibit.
An LTM Specialist is reviewing the virtual server configuration on an LTM device.
Which two actions should the LTM Specialist perform to minimize the virtual server configuration? (Choose two.)
- A. Combine 'marketing_class' and 'default_class' into one class and update associations on the virtual server.
- B. Remove the 'http' profile from the virtual server.
- C. Remove the 'default_class' from the virtual server.
- D. Combine 'acct_class' and 'marketing_class' into one class and update associations on the virtual server.
- E. Remove 'snat automap' from the virtual server.
正解：C、D
質問 # 89
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 device 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 } } }
What issue is the LTM Specialist experiencing?
- A. The virtual server is disabled on all VLANs.
- B. The virtual server is configured for the incorrect protocol.
- C. The pool member is marked down by a monitor.
- D. The pool member is marked down administratively.
正解：B
質問 # 90
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is reviewing the 'test' partition.
Which objects, in order, can be removed from the partition?
- A. delete pool test1_pool, delete pool test2_pool, delete node 10.1.1.3
- B. delete pool test1_pool, delete node 10.1.1.2
- C. delete virtual test1_vs, delete pool test2_pool, delete node 10.1.1.1
- D. delete pool test1_pool, delete node 10.1.1.2, delete node 10.1.1.1
- E. delete node 10.1.1.2, delete pool test2_pool
正解：B
質問 # 91
An LTM Specialist loads a UCS file generated on a different LTM device and receives the following error message:
"mcpd[2395]: 01070608:0: License is not operational (expired or digital signature does not match contents)" Which command should the LTM Specialist use to prevent the error?
- A. bigpipe config save /config.ucs
- B. tmsh show /sys license
- C. tmsh load /sys ucs <path/to/UCS> no-license
- D. tmsh load /sys /ucs rma <path/to/UCS>
- E. tmsh show /sys hardware
正解：C
質問 # 92
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 /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 - B. 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> - C. 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> - D. 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
正解：B
質問 # 93
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist configures a virtual server that balances HTTP connections to a pool of three application servers. Approximately one out of every three connections to the virtual server fails.
Which two actions will resolve the problem? (Choose two.)
- A. Enable SNAT automap on the virtual server.
- B. Verify that port lockdown is set to allow port 80.
- C. Verify the default gateway on the application servers.
- D. Increase the TCP timeout value in the default TCP profile.
- E. Assign a custom HTTP monitor to the pool.
正解：A、C
質問 # 94
Which command should an LTM Specialist use on the command line interface to show the health of RAID array hard drives?
- A. tmsh show /sys raid disk
- B. tmsh show /sys raid status
- C. tmsh show /ltm raid disk
- D. tmsh show /ltm disk status
正解：A
質問 # 95
A web application requires the client to provide the destination server and service identification.
Which HTTP header will supply this information?
- A. Connection
- B. From
- C. Expect
- D. Host
正解：D
質問 # 96
An LTM device is deployed in a one-armed topology. The virtual server, clients, and web servers are connected on the LTM device internal VLAN. A client tries to connect to the virtual server and is unable to establish a connection. A packet capture from the LTM device internal VLAN shows that the HTTP request is being forwarded to the web server.
From which two additional locations should protocol analyzer data be collected? (Choose two.)
- A. network interface of client machine
- B. internal VLAN interface of LTM device
- C. any network interface of the Internet firewall
- D. network interface of web server
- E. external VLAN interface of LTM device
正解：A、D
解説：
Explanation
質問 # 97
These log entries can have different root causes:
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 0107143a:5: CMI reconnect timer: enabled Jun 28 05:01:21 LTM_A notice mcpd[27545]: 01071431:5: Attempting to connect to CMI peer 1.1.1.2 port 6699
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 01071432:5: CMI peer connection established to 1.1.1.2 port 6699
Jun 28 05:01:26 LTM_A notice mcpd[27545]: 0107143a:5: CMI reconnect timer: disabled, all peers are connected
Which two commands should be used to obtain additional information on these entries? (Choose two.)
- A. tmsh modify /sys db log.mcpd.level value debug
- B. bigstart status mcpd
- C. tmsh modify /sys db log.cmi.level value debug
- D. tmsh show /sys mcpd
正解：A、B
質問 # 98
An LTM device pool has suddenly been marked down by a monitor. The pool consists of members
10.0.1.1:443 and 10.0.1.2:443 and are verified to be listening. The affected virtual server is 10.0.0.1:80.
Which two tools should the LTM Specialist use to troubleshoot the associated HTTPS pool monitor via the command line interface? (Choose two.)
- A. telnet
- B. ssldump
- C. curl
- D. tcpdump
正解：B、C
質問 # 99
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.)
- A. httpcompression
- B. tcp
- C. snat automap
- D. http
- E. oneconnect
正解：A、D、E
質問 # 100
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