CCNA preguntas y respuestas de entrevista
Test your skills through the online practice test: CCNA Quiz Online Practice Test
Pregunta 11. What is the purpose of a firewall in network security?
A firewall monitors and controls incoming and outgoing network traffic based on predetermined security rules, preventing unauthorized access.
Es util?
Agregar comentario
Ver comentarios
Pregunta 12. Explain the role of the OSI model's Session layer.
The Session layer manages sessions (connections) between applications. It establishes, maintains, and terminates communication sessions.
Es util?
Agregar comentario
Ver comentarios
Pregunta 13. What is the purpose of the NTP (Network Time Protocol) in networking?
NTP is used to synchronize the clocks of devices on a network, ensuring accurate timekeeping for various applications and services.
Es util?
Agregar comentario
Ver comentarios
Pregunta 14. Explain the purpose of the MAC address in networking.
The MAC address is a unique identifier assigned to a network interface card (NIC) to enable communication within a network segment.
Es util?
Agregar comentario
Ver comentarios
Pregunta 15. What is the purpose of the 802.1X standard in network security?
802.1X provides port-based network access control, requiring authentication before allowing devices to connect to a LAN.
Es util?
Agregar comentario
Ver comentarios
Lo mas util segun los usuarios:
- What is the purpose of ARP (Address Resolution Protocol)?
- Explain the purpose of the DHCP (Dynamic Host Configuration Protocol).
- What is the role of a router in a network?
- What is the purpose of the subnet mask in networking?
- What is the difference between static routing and dynamic routing?