N10-009 Which Command Should the Administrator Use Practice Questions

Common Traps on Which Command Should the Administrator Use Practice Questions

·Separate verification commands from configuration commands.
·Read whether the question asks to identify, verify, fix, permit or deny.
·Small command keywords often change the correct answer.

Sample Questions

A network engineer is designing a new switched network and needs to ensure that broadcast traffic from one department does not reach another department's workstations. The engineer plans to use VLANs. Which of the following must be configured on the switches to isolate broadcast domains as intended?

Explanation: VLANs create separate broadcast domains. To isolate traffic, each department's workstations should be placed in a distinct VLAN. Access ports are assigned to a specific VLAN and do not forward traffic from other VLANs. Trunk ports carry multiple VLANs, but the broadcast isolation is achieved by assigning ports to the correct VLAN.

A network administrator is troubleshooting a connectivity issue and suspects the problem is related to the physical cabling. At which layer of the OSI model should the administrator begin their investigation?

Explanation: The Physical layer (Layer 1) of the OSI model deals with the physical connection between devices, including cabling, connectors, and signal transmission. Starting here is appropriate when the issue is suspected to be with cabling or physical hardware.

A network administrator needs to generate a report of all MAC addresses learned on each switch port to assist with inventory management. Which command-line utility can be used to view the MAC address table on a switch?

Explanation: The 'show mac address-table' command displays the MAC address table, showing which MAC addresses are learned on which ports. 'show running-config' shows configuration, 'show ip interface' shows IP interface status, and 'show vlan' shows VLAN information.

A network administrator needs to identify which application protocols are consuming the most bandwidth on the company WAN link. Which of the following tools should the administrator use?

Explanation: NetFlow (or similar flow-based monitoring) collects metadata about network flows, including source/destination IP, ports, and protocol. This allows analysis of traffic patterns and application usage.

A network engineer is configuring a Link Aggregation Group (LAG) between two switches. Switch A is set to LACP active mode. Which mode should be configured on Switch B to form the LAG?

Explanation: LACP active mode initiates negotiation by sending LACP packets. The peer must be configured as passive (responds to negotiation) or active (initiates as well) to form the link aggregation. 'on' mode is static and does not use LACP, so it will not form a LAG with an active port. 'auto' is a PAgP mode. LACP modes are active and passive.

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Frequently asked questions

How do "Which Command Should the Administrator Use Practice Questions" appear on the real N10-009?

Practise command-choice questions where the task is to identify the correct verification, configuration or troubleshooting command. These appear throughout the N10-009 and require you to apply your knowledge, not just recall facts.

How many scenario questions are on the N10-009 exam?

Cisco doesn't publish an exact breakdown, but scenario-based questions (especially exhibit and command-output formats) make up a significant portion of the N10-009. Practicing each scenario type ensures you're ready for any format.

Are these N10-009 scenario practice questions free?

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