DHCP uses different types of packets to implement different functions. Which of the following is the function of the DHCP Offer packet?

The DHCP Offer packets are broadcast by the DHCP client to detect available servers.
The DHCP server sends DHCP Offer packets to respond to the DHCP Discover packets sent by the DHCP client, providing requested configuration parameters.
The DHCP client sends a DHCP Offer packet to the DHCP server to request configuration parameters, configuration acknowledgement, or extension of the IP address lease.
The DHCP server sends a DHCP Offer packet to the client, carrying configuration parameters, such as the IP address.

Answer(s): B

DHCP snooping can prevent bogus DHCP server attacks. Which of the following are the required configuration steps? (Multiple Choice)

Answer(s): B

Which of the following statements regarding the DiffServ model is false?

Signaling is required. Before transmitting packets, an application does not need to notify a router and the network does not need to maintain the status for each flow.
Different methods can be used to specify QoS of packets, for example, IP precedence, source IP address, and destination IP address of IP packets.
The DiffServ model provides the E2E QoS guarantee for important applications.
It can be implemented through technologies such as CAR or queue scheduling technologies.

Answer(s): A,B,C

When the virtual router responds to ARP Request packets, the actual MAC address of the master router is used,

Answer(s): B

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