Information Technology Reference
In-Depth Information
2.
You just finished resolving an outage issue in the voice network. Which of the follow-
ing should you do as a follow-up measure? (Choose three.)
a.
Reboot the devices to ensure the issue does not reappear.
b.
Document the solution.
c.
Document the root cause of the issue.
d.
Document the changes made to the system.
e.
Document the next change window for follow-up.
3.
You are troubleshooting an IP phone registration issue. You verify that the IP phone
is receiving an IP address with Option 150 from the DHCP server. What should the
phone do next after this point?
a.
Reboot with a new configuration.
b.
Contact the TFTP server.
c.
Register with the CME router.
d.
Update its firmware.
4.
A Cisco IP Phone is plugged into an Ethernet wall jack. The phone does not respond to
the connection. What should your first area of troubleshooting be for this situation?
a.
Verify that the voice VLAN is assigned to the port.
b.
Enable CDP on the interface.
c.
Verify PoE configuration.
d.
Ensure that you are using Category 6 Ethernet cable.
5.
You believe one of your Cisco IP Phones has not been assigned to the correct voice
VLAN. What symptom is typically seen when this occurs?
a.
The IP phone has unforeseen call restrictions or permissions.
b.
The IP phone displays “invalid VLAN” on the screen.
c.
The IP phone continually reboots.
d.
The PC attached to the IP phone loses network connectivity.
6.
After a Cisco IP Phone determines its voice VLAN configuration via CDP, what
does it do?
a.
The phone reboots in the new VLAN.
b.
The phone sends out a DHCP request tagged with the voice VLAN number.
c.
The phone sends out an untagged DHCP request.
d.
The phone queries for a TFTP server in the new VLAN.
