CCNP Practice Exam For ONT Study:
IP Phone And Voice Routing Options
Vital Reading And Watching For All Cisco Certification Candidates:
The July 2010 CCNP Changes (And How To Beat Them!)
To help you beat the July 31, 2010 deadline for the ONT exam, here's a practice exam on Voice protocols and transport.
You'll find the answers at the bottom of the page.
When you're done with this exam, visit our CCNP Practice Exams page for more great training questions!
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Enjoy the questions!
Chris Bryant
CCIE #12999
"The Computer Certification Bulldog"
chris@thebryantadvantage.com
 
Question 1:
Using what VPN type can result in a near-doubling of packet size?
A. IPSec Transport Mode
B. IPSec with GRE
C. GRE
D. IPSec Tunnel Mode
Question 2:
Short answer: How many bytes of overhead are added by a UDP header?
Question 3:
The Cisco RSVP Agent is a crucial part of what popular Voice feature?
A. AAR
B. IntServ
C. CAC
D. SMST
Question 4:
Studies show that a normal voice conversation is 35 - 40% silence. What feature allows an IP Phone to send no packets when the call goes silent?
A. comfort noise
B. VAD
C. Call Manager
D. CAC
Question 5:
Which of the following features prevents a call from being placed that would degrade all calls if it was actually placed?
A. CAC
B. SMDG
C. CCS
D. SRST
Question 6:
Short answer: How many bytes are added to the overhead of a packet by an IP header?
Question 7:
Which of the following can redirect a Voice call to the PSTN when no voice channels are available?
A. SRST
B. RSVP
C. AAR
D. CCS
Answers can be found at the bottom of the page!
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Answers:
1. "D". IPSec Tunnel mode can result in the overall packet size almost doubling.
2. The UDP header adds 8 bytes.
3. "C". The RSVP Agent is an important part of Call Admission Control (CAC).
4. "B". That's Voice Activity Detection.
5. "A". That's Call Admission Control.
6. An IP Header is 20 bytes in size.
7. "C". That's the job of AAR - Automated Alternate Routing.
That's it for this exam! Visit our CCNP Practice Exams page for more practice exam questions -- a new set of exams every day in February!
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