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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: CCNA
Which QoS tool is used to optimize voice traffic on a network that is primarily intended for data traffic?
ITExam Editorial Team asked 5 years ago • 
On workstations running Microsoft Windows, which protocol provides the default gateway for the device?
ITExam Editorial Team asked 5 years ago • 
What is the purpose of using First Hop Redundancy Protocol in a specific subnet?
ITExam Editorial Team asked 5 years ago • 
What is the difference in data transmission delivery and reliability between TCP and UDP?
ITExam Editorial Team asked 5 years ago • 
How does QoS optimize voice traffic?
ITExam Editorial Team asked 5 years ago • 
What are network endpoints?
ITExam Editorial Team asked 5 years ago • 
What does physical access control regulate?
ITExam Editorial Team asked 5 years ago • 
What must be considered when using 802.11a?
ITExam Editorial Team asked 5 years ago • 
An engineer configures interface Gi1/0 on the company PE router to connect to an ISP Neighbor discovery is disabled. Which action is necessary to complete the configuration if the ISP uses third-party network devices?
ITExam Editorial Team asked 5 years ago • 
What are two benefits of using the PortFast feature? (Choose two)
ITExam Editorial Team asked 5 years ago • 
A network administrator is asked to configure VLANS 2, 3 and 4 for a new implementation. Some ports must be assigned to the new VLANS with unused remaining. Which action should be taken for the unused ports?
ITExam Editorial Team asked 5 years ago • 
Which function is performed by DHCP snooping?
ITExam Editorial Team asked 5 years ago • 
Which plane is centralized by an SON controller?
ITExam Editorial Team asked 5 years ago • 
Which access layer threat-mitigation technique provides security based on identity?
ITExam Editorial Team asked 5 years ago • 
What are two similarities between UTP Cat 5e and Cat 6a cabling? (Choose two.)
ITExam Editorial Team asked 5 years ago • 
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