BIG-IP Local Traffic Manager (LTM) Specialist Maintain Troubleshoot

Here you have the best F5 301b practice exam questions

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  • Each page has 5 questions, making a total of 42 pages
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  • This questions were last updated on October 24, 2025
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Question 1 of 209
A OneConnect profile is applied to a virtual server. The LTM Specialist would like the client source IP addresses within the 10.10.10.0/25 range to reuse an existing server side connection.
Which OneConnect profile source mask should the LTM Specialist use?
    Correct Answer: C

    To have the client source IP addresses within the 10.10.10.0/25 range reuse an existing server-side connection, the correct OneConnect profile source mask is 255.255.255.128. This mask will evaluate the first 25 bits of the client IP address, which corresponds to the provided subnet of 10.10.10.0/25, ensuring that addresses within this range will be able to reuse existing server-side connections.

Question 2 of 209
An LTM device is load balancing telnet and ssh applications in a client/server environment experiencing significant packet delay.
Which setting in the TCP profile should reduce the amount of packet delay?
    Correct Answer: B

    Disabling Nagle's Algorithm reduces the amount of packet delay in environments where applications like telnet and ssh which are sensitive to latency are being used. Nagle's Algorithm attempts to minimize the number of small packets on the network by combining a number of small outgoing messages and sending them all at once. While this is useful for reducing network congestion, it can introduce latency on connections where immediate transmission of small messages is preferred.

Question 3 of 209
An LTM device is load balancing SIP traffic. An LTM Specialist notices that sometimes the SIP request is being load balanced to the same server as the initial connection.
Which setting in the UDP profile will make the LTM device more evenly distribute the SIP traffic?
    Correct Answer: A

    To make the LTM device more evenly distribute SIP traffic, enabling the Datagram LB setting in the UDP profile will be effective. This setting ensures that the system load balances UDP traffic packet-by-packet and does not treat UDP packets from the same source and port as part of a connection. This overrides the default behavior, allowing for better distribution across different servers.

Question 4 of 209
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?
    Correct Answer: D

    For internet clients experiencing latency, the tcp-wan-optimized profile is ideal. It enhances throughput by buffering more data and reducing the number of short TCP segments sent over the network, thus optimizing performance under high-latency conditions typical of WAN connections.

Question 5 of 209
Windows PC clients are connecting to a virtual server over a high-speed, low-latency network with no packet loss.
Which built-in client-side TCP profile provides the highest throughput for HTTP downloads?
    Correct Answer: C

    The highest throughput for HTTP downloads over a high-speed, low-latency network with no packet loss would be provided by the 'tcp-lan-optimized' client-side TCP profile. This profile is specifically designed to optimize network performance in local area network (LAN) environments, minimizing delays and maximizing data transfer rates, making it ideal for such conditions.