PDF問題（2023年最新）実際のF5 301b試験問題
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F5 301b試験の準備には、F5の公式トレーニングコースである「トラブルシューティングとBIG-IPのメンテナンス」などを活用することができます。公式のF5学習ガイド、練習問題、他の受験者とつながることができるオンラインコミュニティなど、様々な学習リソースもあります。準備に時間と努力を投資することで、受験者は試験に合格し、F5認定BIG-IP管理者資格を取得する可能性を高めることができます。
質問 # 39
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 apply sys software hotfix volume <volume_name> <hotfix_name>.iso
- B. 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
- C. 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>
- 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：C
質問 # 40
The active LTM device in a high-availability (HA) pair performs a failover at the same time the network team reports an outage of a switch on the network.
Which two items could have caused the failover event? (Choose two.)
- A. the standby LTM that was rebooted
- B. the standby LTM that lost connectivity on the failover VLAN
- C. a monitor on a pool in an HA group
- D. an Auditor role that has access to the GUI
- E. a VLAN fail-safe setting
正解：C、E
質問 # 41
-- Exhibit - -- Exhibit -
Refer to the exhibits.
Which URL on which server is causing the highest latency for users?
- A. /slow1.php on 172.16.20.3
- B. /reflector.php on 172.16.20.2
- C. /Compress.HTML on 172.16.20.1
- D. /slow2.php on 172.16.20.1
正解：A
質問 # 42
Internet clients connecting to a virtual server to download a file are experiencing about 150 ms of latency and no packet loss.
Which built-in client-side TCP profile provides the highest throughput?
- A. tcp-legacy
- B. tcp
- C. tcp-wan-optimized
- D. tcp-lan-optimized
正解：C
質問 # 43
An LTM device has a virtual server configured as a Performance Layer 4 virtual listening on
0.0.0.0:0 to perform routing of packets to an upstream router. The client machine at IP address
192.168.0.4 is attempting to contact a host upstream of the LTM device on IP address 10.0.0.99.
The network flow is asymmetrical, and the following TCP capture displays:
# tcpdump -nnni 0.0 'host 192.168.0.4 and host 10.0.0.99' tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on 0.0, link-type EN10MB (Ethernet), capture size 96 bytes
05:07:55.499954 IP 192.168.0.4.35345 > 10.0.0.99.443: S 3205656213:3205656213(0) ack
3267995082 win 1480 05:07:55.499983 IP 10.0.0.99.443 > 192.168.0.4.35345: R 1:1(0) ack 1 win 0 05:07:56.499960 IP 192.168.0.4.35345 > 10.0.0.99.443: S 3205656213:3205656213(0) ack
3267995082 win 1480 05:07:56.499990 IP 10.0.0.99.443 > 192.168.0.4.35345: R 1:1(0) ack 1 win 0 4 packets captured
Which option within the fastL4 profile needs to be enabled by the LTM Specialist to prevent the LTM device from rejecting the flow?
- A. Reset on Timeout
- B. Generate Initial Sequence Number
- C. Loose Initiation
- D. Loose Close
正解：C
質問 # 44
-- Exhibit -
-- Exhibit -
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. Pool member is configured to use wrong port.
- C. Virtual server is configured to use wrong port.
- D. Virtual server is configured without SSL Profiles.
正解：B
質問 # 45
-- 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. Verify the default gateway on the application servers.
- B. Enable SNAT automap on the virtual server.
- C. Verify that port lockdown is set to allow port 80.
- D. Assign a custom HTTP monitor to the pool.
- E. Increase the TCP timeout value in the default TCP profile.
正解：A、B
質問 # 46
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A user is unable to access an HTTP application via a virtual server.
What is the cause of the failure?
- A. The host header requires a host name.
- B. There is no pool member available to service the request.
- C. The virtual server is in the disabled state.
- D. The Connection: Keep-Alive header is set.
正解：B
質問 # 47
An LTM Specialist wants to allow access to the Always On Management (AOM) from the network.
Which two methods should the LTM Specialist use to configure the AOM interface? (Choose two.)
- A. Configure the AOM IP from the front panel buttons and LCD.
- B. Log in to the Host via ssh, "ssh aom", and modify the network configuration file.
- C. Configure the AOM network address in the GUI under System>Platform.
- D. Choose the network configurator in the AOM menu on the serial port.
正解：B、D
質問 # 48
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A pair of LTM devices are deployed in a high-availability (HA) pair as the diagram shows. After inserting a new rule on the firewalls, the LTM devices become Standby. The rule drops all outbound sessions to the Internet. Only inbound connections are allowed from the Internet. There are no other changes to the environment.
What triggered the LTM device failover?
- A. Auto Failback
- B. HA Group
- C. VLAN Failsafe
- D. Gateway Failsafe
正解：D
質問 # 49
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with SSL and is receiving the error shown when connecting to the virtual server. When connecting directly to the pool member, clients do NOT receive this message, and the application functions correctly. The LTM Specialist exports the appropriate certificate and key from the pool member and imports them into the LTM device. The LTM Specialist then creates the Client SSL profile and associates it with the virtual server.
What is the issue?
- A. The client CANNOT verify the certification path.
- B. The SSL certificate and key have expired.
- C. The common name on the SSL certificate does NOT match the hostname of the site.
- D. The SSL certificate and key do NOT match.
正解：A
質問 # 50
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 400 series response code.
- B. A pool member does NOT acknowledge the connection SYN on port 80.
- C. A pool member responds with an HTTP 200 series response code.
- D. A pool member responds with an HTTP 300 series response code.
- E. A pool member responds with an HTTP 500 series response code.
正解：B
質問 # 51
An LTM Specialist troubleshooting an issue looks at the following /var/log/ltm entries:
Oct 2 04:52:42 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 05:37:16 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 05:57:32 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 06:30:03 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 06:37:44 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 06:47:05 slot1/tmm5 crit tmm5[21732]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Which configuration item should the LTM Specialist review to fix the issue?
- A. Virtual Server Port Translation
- B. Pool Member
- C. SNAT Pool
- D. Port Lockdown
正解：C
質問 # 52
The active LTM device in a high-availability (HA) pair performs a failover at the same time the network team reports an outage of a switch on the network.
Which two items could have caused the failover event? (Choose two.)
- A. the standby LTM that was rebooted
- B. the standby LTM that lost connectivity on the failover VLAN
- C. a monitor on a pool in an HA group
- D. an Auditor role that has access to the GUI
- E. a VLAN fail-safe setting
正解：C、E
質問 # 53
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 /net show interface
- B. tmsh show /net interface status
- C. tmsh show /net interface
- D. tmsh /net show interface status
正解：C
質問 # 54
-- Exhibit -
-- Exhibit -Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "The connection was reset" in the browser. Connections directly to the pool member show the application is functioning correctly.
What is the issue?
- A. The pool member default gateway is set incorrectly.
- B. The virtual server is configured with the incorrect SNAT address.
- C. The virtual server is processing encrypted traffic as plain-text HTTP.
- D. The pool member is failing the monitor check.
正解：C
質問 # 55
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is investigating reports that users are unable to perform some commands through an FTP virtual server. The LTM Specialist performs a capture on the server side of the LTM device.
What is the issue with the application?
- A. PORT command disallowed
- B. data connection failing
- C. LIST command disallowed
- D. command connection failing
正解：B
質問 # 56
Given LTM device ltm log:
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5: semaphore mcpd.running(1) held
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5:
Sep 26 20:51:08 local/lb-d-1 warning promptstatusd[3695]: 01460005:4: mcpd.running(1) held, wait for mcpd
Sep 26 20:51:08 local/lb-d-1 info sod[3925]: 010c0009:6: Lost connection to mcpd reestablishing.
Sep 26 20:51:08 local/lb-d-1 err bcm56xxd[3847]: 012c0004:3: Lost connection with MCP: 16908291 ... Exiting bsx_connect.cpp(174)
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: MCP Exit Status Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: Info: LACP stats (time now:1348717868) : no traffic
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0014:6: Exiting...
Sep 26 20:51:08 local/lb-d-1 err lind[3842]: 013c0004:3: IO error on recv from mcpd connection lost Sep 26 20:51:08 local/lb-d-1 notice bigd[3837]: 01060110:5: Lost connection to mcpd with
error 16908291, will reinit connection.
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0004:3: Initial subscription for system configuration failed with error '' Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0001:3: Connection to mcpd failed with
error '011b0004:3: Initial subscription for system configuration failed with error '''
Sep 26 20:51:08 local/lb-d-1 err csyncd[3851]: 013b0004:3: IO error on recv from mcpd connection lost .............skipping more logs..... Sep 26 20:51:30 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running bcm56xxd is
now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running mcpd is now responding. Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 010c0018:5: Standby
Which daemon failed?
- A. mcpd
- B. lind
- C. promptstatusd
- D. bcm56xxd
- E. sod
正解：A
質問 # 57
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F5 301b試験に備えるために、受験者は、基本的な技術、アーキテクチャー、および構成を含め、F5 BIG-IP LTMソリューションに関する堅固な理解を持つことが望ましいです。受験者はまた、F5のトレーニングコースやリソースを活用して、F5 BIG-IP LTMソリューションの維持およびトラブルシューティングに関する知識とスキルを向上させることができます。
F5 301b試験は、IT業界で非常に尊重される認定資格であり、世界中の多くの組織や雇用主に認められています。この認定は、候補者のF5 LTMシステムのメンテナンスとトラブルシューティングにおける専門知識を証明するものであり、より良い求人機会や高い給与につながる可能性があります。さらに、この認定は2年間有効であり、その後、候補者は認定ステータスを維持するために再認定する必要があります。
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