Examkin

Question

Difficulty: EasyNetwork Components Roles and Functions

Match each enterprise network infrastructure component on the left with its primary operational role on the right.

  • RouterForwards data packets between distinct IP subnets and networks based on destination IP routing logic.
  • Layer 2 SwitchForwards Ethernet frames within the local network segment based on MAC address table lookups.
  • Next-Generation Firewall (NGFW)Performs deep packet inspection and enforces security policies up to Layer 7 to block malicious traffic.
  • Wireless LAN Controller (WLC)Centrally provisions, manages, and optimizes lightweight access points across an enterprise campus.

Answer

Router connects distinct IP subnets using routing tables; Layer 2 Switch forwards local frames based on MAC addresses; Next-Generation Firewall performs deep packet inspection up to Layer 7; Wireless LAN Controller centrally manages lightweight access points.
Each network device performs a specialized role within an enterprise architecture: Routers route IP packets across subnets, Layer 2 Switches switch local Ethernet frames using MAC addresses, Next-Generation Firewalls inspect application payload data for security, and Wireless LAN Controllers centralize management for lightweight APs.

Step-by-Step Solution

1
Identify the primary role of a Router.
Routers operate at Layer 3 and forward packets between different IP networks and subnets based on destination IP address routing decisions.
Connecting separate networks and determining path selection is the fundamental function of a router.
2
Identify the primary role of a Layer 2 Switch.
Layer 2 switches maintain a MAC address table to switch frames within a single local network/VLAN.
Layer 2 switches isolate collision domains but operate entirely within one broadcast domain.
3
Identify the primary role of a Next-Generation Firewall (NGFW).
NGFWs analyze traffic context and application content from Layer 4 up through Layer 7 to enforce security controls.
Deep packet inspection and application awareness distinguish NGFWs from standard stateful firewalls.
4
Identify the primary role of a Wireless LAN Controller (WLC).
WLCs act as the centralized intelligence hub to manage configuration, security policies, and radio frequencies for lightweight APs.
Split-MAC architectures offload management tasks from APs to the controller.

Key Concept

Primary operational roles of core network components
Rate this question

Topics

Network Components Roles and Functions

More questions from this topic