Flashcards in DHCP 2 Deck (7)
How to see DHCP conflict?
A. show ip dhcp pool
B. show dhcp database
C. show ip dhcp conflict
Where does the configuration reside when a helper address is configured to support DHCP?
A. on the switch trunk interface.
B. on the router closest to the client.
C. on the router closest to the server.
D. on every router along the path.
How does a DHCP server dynamically assign IP addresses to hosts?
A. Addresses are permanently assigned so that the host uses the same address at all times.
B. Addresses are assigned for a fixed period of time.
C. Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.
D. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
Which statement about DHCP snooping is true?
A. It blocks traffic from DHCP servers on untrusted interfaces.
B. It can be configured on switches and routers.
C. It allows packets from untrusted ports if their source MAC address is found in the binding table.
D. It uses DHCPDiscover packets to identify DHCP servers.
Refer to the exhibit.
ip dhcp pool test network 192.168.10.0/27 domain name cisco.com dns-server 172.16.1.1 172.16.2.1 netbios-name-server 172.16.1.10 172.16.2.10
After you apply the given configuration to a router, the DHCP clients behind the device cannot communicate with hosts outside of their subnet. Which action is most likely to correct the problem?
A. Configure the DNS server on the same subnet as the clients
B. Activate the dhcp pool
C. Correct the subnet mask
D. Configure the default gateway
Where does a switch maintain DHCP snooping information?
A. in the CAM table
B. in the VLAN database
C. in the DHCP binding database
D. in the MAC address table