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長い間F5CAB5認定を希望しているかもしれませんが、F5勉強する時間や良い方法がありません。勉強はつまらないと思っていたのかもしれません。 F5CAB5の学習教材があなたの心を変えます。当社の製品を使用すると、すぐに勉強の幸せを感じるでしょう。熱心なCertShiken専門家のおかげで、F5CAB5試験に合格するためのすばらしい学習ツールが考案されました。最初にデモを試してみると、勉強をやめられないことがわかります。 F5CAB5学習教材を使用すると、自分自身に挑戦して、もっと知りたいと思うでしょう。
| Certification Vendor: | F5 Networks |
|---|---|
| Exam Name: | BIG-IP Administrator |
| Exam Number: | 101 |
| Exam Format: | Scenario-based, Multiple Choice |
| Available Languages: | English, Japanese |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Certificate Validity Period: | 2 years |
| Real Exam Qty: | 80 |
| Related Certifications: | F5 Certified Solution Expert - Security F5 Certified Solution Expert - LTM |
| Exam Price: | USD $160 |
| Sample Questions: | F5 F5CAB5 Sample Questions |
| Exam Way: | Online proctored or at Pearson VUE testing center |
| Pre Condition: | F5 recommends completing F5 BIG-IP Administrator certification training or having equivalent hands-on experience with BIG-IP LTM |
| Official Syllabus URL: | https://support.f5.com/csp/education-certification |
現在多くの会社では、特別なGAQM、EMC、ISC認証などを持っているなら、高い給料が得られています。我々の提供するF5CAB5問題集はあなたに試験に順調に合格することができます。試験に参加する前に、我々の模擬問題集F5CAB5資料が必要です。この問題集を選択したら、あなたは100％試験に合格することができます。
| トピック | 出題範囲 |
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| トピック 2 |
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| トピック 3 |
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質問 # 78
A set of servers is used for an FTP application as well as an HTTP website via separate BIG-IP Pools. The server support team reports that some servers are receiving a lot more traffic than others. Which Load Balancing Method should the BIG-IP Administrator apply to even out the connection count?
正解：B
解説：
When load balancing is not working as expected across hardware hosting multiple services, the administrator must distinguish between "member" and "node" level algorithms. A "member" is a specific IP and port (e.g., 10.1.1.1:80), while a "node" is the physical server's IP (10.1.1.1) regardless of the port. If servers host both FTP and HTTP services in separate pools, using
"Least Connections (Member)" only balances connections within each individual pool. This can lead to a skewed distribution where one server is selected for a new HTTP connection because it has the fewest HTTP connections, even if it is currently overloaded with hundreds of FTP connections. By applying "Least Connections (Node)," the BIG-IP tracks the total number of connections to the physical hardware across all ports and pools. This ensures that the administrator can maintain an even distribution of the total workload across the server fleet, resolving the reports of uneven traffic distribution reported by the server support team.
質問 # 79
What determines whether a pool member is marked up or down?
正解：D
解説：
Health monitors check backend availability and determine pool member status.
質問 # 80
Clients report that they cannot reach the virtual server vs-production on port 80, but are able to ping the virtual server address. The configuration is shown below:
Plaintext
ltm virtual vs-production {
destination 10.99.20.50:http
ip-protocol tcp
mask 255.255.255.255
profiles {
http {}
tcp {}
}
source 192.168.0.0/16
translate-address enabled
translate-port enabled
vlans {
external
}
vlans-enabled
}
What is the cause?
正解：D
解説：
The issue is caused by the Source Address restriction configured on the virtual server.
Source Filter: The configuration contains the line source 192.168.0.0/16. This acts as an implicit Access Control List (ACL). The virtual server will only accept and process TCP connections if the client's source IP address falls within the 192.168.x.x range.
Why Ping Works: ICMP (Ping) is handled by the Virtual Address object, not the Virtual Server object. Unless ICMP is specifically disabled on the Virtual Address, it will respond to pings from any subnet, even if the Virtual Server itself is restricted by a source filter or is even disabled.
Evaluation of Other Options:
Disabled (Option A): If the VS were disabled, the configuration would typically show disabled or state down, and the symptoms would be similar, but the source filter is a more specific "misconfiguration" in this context.
Port 80 (Option C): The configuration destination 10.99.20.50:http explicitly confirms it is listening on port 80.
Unallowed Subnet: If a client from a different network (e.g., 10.10.1.5) tries to connect, the BIG-IP will silently drop the connection or send a reset because it does not match the defined source criteria.
質問 # 81
Users report that traffic is negatively affected every time a BIG-IP device fails over. The traffic becomes stabilized after a few minutes. What should the BIG-IP Administrator do to reduce the impact of future failovers?
正解：B
解説：
When traffic "stabilizes after a few minutes" following a failover, it points to a network-level performance issue involving ARP cache on upstream routers and switches. Each BIG-IP interface has a unique hardware MAC address. During failover, the Standby device takes over the floating IP address, but the upstream switch still associates that IP with the MAC of the now-offline device. Traffic is lost until the switch learns the new MAC or its ARP entry expires. "MAC Masquerading" solves this by creating a shared, virtual MAC address for the floating traffic group.
This virtual MAC is used by whichever device is currently active. Because the MAC address for the virtual server IP never changes from the perspective of the network, the upstream devices do not need to update their ARP tables. This troubleshooting solution eliminates the delay associated with failover, providing a seamless transition and ensuring that application traffic flow is not disrupted when the BIG-IP HA state changes.
質問 # 82
A BIG-IP Administrator makes a configuration change to the BIG-IP device. Which file logs the message regarding the configuration change?
正解：B
解説：
The BIG-IP system uses the audit log to track administrative actions and configuration changes.
Audit Logging Functionality: When a user modifies the configuration via the Configuration Utility (GUI), the Traffic Management Shell (tmsh), or iControl, the system records the event in the audit log. This includes the name of the user who made the change, the timestamp, and the specific command or object that was modified.
Log Location: The audit log is stored at /var/log/audit.
Evaluation of Other Options:
/var/log/messages (Option A) contains general system and kernel messages but is not the primary source for configuration change details.
/var/log/secure (Option B) primarily logs authentication and authorization attempts (logins and logouts).
/var/log/user.log (Option D) is a generic Linux log file for user-level applications and does not track BIG-IP LTM configuration changes.
質問 # 83
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無料でクラウドストレージから最新のCertShiken F5CAB5 PDFダンプをダウンロードする：https://drive.google.com/open?id=1fbWrgfX1PEuS9AXXVt0Bzr-VweVOc6Wz