Information Technology Reference
In-Depth Information
3.
Which of the following is true of SRST?
a.
SRST allows IP phones in a branch to be controlled by the local router in the
event that WAN failure causes a loss of connectivity to the CUCM.
b.
SRST performs dynamic gateway services, allowing keepalives and signaling to
be sent over the backup PSTN link.
c.
The NM-SRST module is supported on the 2900 and 3900 series ISR plat-
forms only.
d.
SRST is a legacy feature; the replacement feature set is called Service Advertise-
ment Framework.
4.
Call Admission Control serves what purpose?
a.
Limiting user access to toll calls (for example, preventing unauthorized long-dis-
tance calling).
b.
Throttling the number of concurrent call attempts to prevent Code Yellow events.
c.
Rerouting calls over the PSTN in the event of WAN failure.
d.
Tracing malicious calls received from the PSTN to verify their origin.
e.
Preventing oversubscription of IP WAN voice bandwidth by dropping calls that
exceed the configured voice queue size.
5.
Which of the following is the only event that will trigger AAR?
a.
WAN failure
b.
CFUR rejection
c.
SRST registration
d.
Local Route Group failure
e.
CAC call rejection
f.
International Talk Like a Pirate Day
6.
Which of the following is the correct order of configuration of call-routing compo-
nents?
a.
Device, Route Group, Route List, Route Pattern
b.
Route Pattern, Route List, Route Group, Device
c.
Route Pattern, Route Group, Route List, Device
d.
Route Group, Device, Route Pattern, Route List
