Câu 4: H12-841-V1-5: HCIP-Datacom-Campus Network Planning and Deployment V1.5

DHCP snooping is a security feature of DHCP that prevents DHCP servers and clients from being attacked. Which of the following statements about DHCP snooping are true? (Choose all that apply.)

1. A. A DHCP snooping-enabled device listens to DHCP messages and records client information obtained from DHCP Offer messages.
2. B. After DHCP snooping is enabled on a switch, you need to configure the interface that receives DHCP messages from a DHCP server as a trusted interface. — đáp án hiện tại
3. C. The device discards messages, such as DHCP ACK and DHCP Offer messages, received on untrusted interfaces from a DHCP server. — đáp án hiện tại
4. D. When the interface directly connected to a DHCP client goes Down, the corresponding DHCP snooping entry does not disappear until the IP address lease of the DHCP client expires. — đáp án hiện tại