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Networking-Annex D-Lesson 2-Notes; Questions & Answers

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Networking-Annex D-Lesson 2-Notes; Questions & Answers SW3(config)# int g 1/0/1 SW3(config-if)# sw mode access SW3(config-if)# sw access vlan 10 SW3(config-if)# sw nonegotiate SW3(config-if)# no shut SW3(config)#int g 0/2 SW3(config-if)# sw mode trunk SW3(config-if)# sw trunk native vlan ...

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  • August 8, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Annex D
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Networking-Annex D-Lesson 2-Notes; Questions &
Answers
SW3(config)# int g 1/0/1

SW3(config-if)# sw mode access

SW3(config-if)# sw access vlan 10

SW3(config-if)# sw nonegotiate

SW3(config-if)# no shut




SW3(config)#int g 0/2

SW3(config-if)# sw mode trunk

SW3(config-if)# sw trunk native vlan 50

SW3(config-if)# sw nonegotiate

SW3(config-if)# no shut CORRECT ANSWER-Do Not Allow Negotiations Commands




Provides a mechanism for the management system to automatically learn about devices
connected to the network. Network devices periodically advertise their own information to a
multicast address on the network CORRECT ANSWER-Cisco Discovery Protocol (CDP)




-Allows interworking between vendor equipment

-Single, standardized discovery protocol CORRECT ANSWER-Link Layer Discovery Protocol
(LLDP)




SW3(config)# int g 1/0/24

SW3(config-if)# no cdp enable

, Networking-Annex D-Lesson 2-Notes; Questions &
Answers
SW3(config-if)# no lldp enable CORRECT ANSWER-Disable CDP & LLDP Commands




Security feature that acts like a firewall between untrusted hosts and trusted DHCP servers.



. Validates DHCP messages received from untrusted sources and filters out invalid messages.

· Rate-limits DHCP traffic from trusted and untrusted sources.

· Builds and maintains a binding database, which contains information about untrusted hosts
with leased IP addresses.

· Utilizes a binding database to validate subsequent requests from untrusted hosts.
CORRECT ANSWER-DHCP Snooping



-Validates ARP packets in a network

-Intercepts, logs, and discards ARP packets with invalid IP-to-MAC address bindings

-This capability protects the network from some man-in-the-middle attacks

-Determines the validity of an ARP packet based on valid IP-to-MAC address bindings stored in a
trusted database, the DHCP snooping binding database CORRECT ANSWER-Dynamic ARP
Inspection (DAI)




SW3(config)# ip dhcp snooping

SW3(config)# ip dhcp snooping vlan 10,20,30

SW3(config)# Exit

SW3(config)# interface fastethernet (Port Number)

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