Practise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer.
Start Scenario PracticeRefer to the exhibit. A workstation is experiencing intermittent connectivity and slow network speeds. Based on the provided CLI output, what is the most likely cause of the performance issue?
Explanation: A duplex mismatch occurs when one side of a link is set to full-duplex while the other is set to half-duplex. This leads to the half-duplex side detecting collisions late in the frame transmission process, while the full-duplex side records CRC errors because the incoming frames are interrupted or corrupted by the collision attempts.
Refer to the exhibit. A technician is verifying the hardware installed in a switch. What type of media is required to connect to the 'Te1/1/1' interface based on the SFP type shown?
Explanation: The 'Te1/1/1' interface naming indicates a 10 Gigabit Ethernet port, and the SFP type shown in the exhibit is a multi-mode fiber SFP (typically with an OM3/OM4 LC connector and a wavelength like 850 nm). Multi-mode fiber is used for short-reach 10G connections up to ~300–400 m, which matches the SFP's design. Therefore, a multi-mode fiber optic cable is required.
Refer to the exhibit. Based on the IPv6 configuration of the GigabitEthernet0/0 interface, which statement is true regarding the connectivity of this router?
Explanation: The exhibit shows a GigabitEthernet0/0 interface configured with only a link-local IPv6 address (FE80::/10 range, typically starting with FE80::). A link-local address is automatically generated and is only valid on the local segment; it is never routed beyond the local link. Therefore the router can communicate only with directly connected IPv6 hosts on that link, not with the internet or remote networks.
Refer to the exhibit. An administrator observes high error counts on a switch port. Based on the output, what is the most likely cause of the issue?
Explanation: High error counts (CRC errors, late collisions, runts, giants) on a switch port are the classic signature of a duplex mismatch. When one side is set to full-duplex and the other to half-duplex, the full-duplex side transmits whenever it wants while the half-duplex side detects collisions and reports late collisions and FCS errors. The exhibit typically shows 'Late collisions' and 'CRC' counters incrementing.
Refer to the exhibit. A company applies this JSON security policy to its edge firewall. What is the primary standard or concept being enforced by this configuration?
Explanation: This policy demonstrates the enforcement of secure web communication standards. By denying traffic on port 80 (HTTP) and allowing traffic on port 443 (HTTPS), the organization ensures that all web data is encrypted during transit. This is a fundamental security practice to protect sensitive information from being intercepted by unauthorized parties.
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Practice all Refer to the Exhibit Practice QuestionsPractise exhibit-style questions that ask you to read a topology, table, command output or diagram before choosing the best answer. These appear throughout the 100-150 and require you to apply your knowledge, not just recall facts.
Cisco doesn't publish an exact breakdown, but scenario-based questions (especially exhibit and command-output formats) make up a significant portion of the 100-150. Practicing each scenario type ensures you're ready for any format.
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