Information Technology Reference
In-Depth Information
7.
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
8.
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
9.
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.
10.
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
11.
Which of the following NTP stratum numbers would be considered the best?
a.
Stratum 0
b.
Stratum 1
c.
Stratum 2
d.
Stratum 3
12.
Which of the following protocols could be used for Cisco IP Phone registration?
(Choose two.)
a.
SCCP
b.
SIP
c.
DHCP
d.
H.323
