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- CCNA Voice 640-461
26.
Which DHCP option provides the IP address of a TFTP server to a Cisco IP Phone?
- A.Option 10
- B.Option 15
- C.Option 150
- D.Option 290
- Answer
- Report
Answer : [C]
27.
How does the Cisco switch communicate voice VLAN information after a Cisco IP
Phone has received PoE and started the boot process?
- A.Through CDP
- B.Using 802.1Q
- C.Using the proprietary ISL protocol
- D.Voice VLAN information must be statically entered on the Cisco IP Phone.
- Answer
- Report
Answer : [A]
28.
Which of the following commands would you use to forward DHCP requests from an
interface connected to the 172.16.1.0/24 subnet to a DHCP server with the IP address
172.16.100.100?
- A.forward-protocol 172.16.1.0 255.255.255.0 172.16.100.100
- B.forward-protocol dhcp 172.16.1.0 255.255.255.0 172.16.100.100
- C.ip helper-address 172.16.1.0 172.16.100.100
- D.ip helper-address 172.16.100.100
- Answer
- Report
Answer : [D]
29.
Which of the following commands should you use to configure a port for a voice
VLAN 12?
- A.switchport mode voice vlan 12
- B.switchport trunk voice vlan 12
- C.switchport voice vlan 12
- D.switchport vlan 12 voice
- Answer
- Report
Answer : [C]
30.
How does a device attached to a Cisco IP Phone send data to the switch?
- A.As tagged (using the voice VLAN)
- B.As untagged
- C.As tagged (using the data VLAN)
- D.As tagged (using the CoS value)
- Answer
- Report
Answer : [A]
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