CCNP Practice Exam Questions:
BSCI Exam - BGP Question Set #2
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 demanding BSCI exam (and this exam does count on the new track, too!), here's another set of BGP practice exam questions!
To prevent peeking, you'll find the answers at the bottom of the page.
You can find the first set of BGP questions here, and our main CCNP Practice Exam page has many more questions waiting for you!
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Enjoy the questions!
Chris Bryant
CCIE #12999
"The Computer Certification Bulldog"
chris@thebryantadvantage.com
 
Question 1:
Let's start with a short answer question. Identify the three possible values for the BGP origin attribute and briefly explain each.
Question 2:
Which of the following terms describes the BGP router type that can advertise a route learned from one iBGP peer to another iBGP peer?
A. iBGP and eBGP peers
B. route reflector clients
C. route reflectors
D. no router can do this
Question 3:
BGP synchronization can be safely turned off in which of the following situations?
A. The AS is not a transit AS.
B. Only the DR is running BGP.
C. All routers in the AS are running BGP.
D. When a physical full mesh exists in the AS.
E. When both the DR and BDR are running BGP.
F. When the AS is a transit AS.
Question 4:
Which of the following is true regarding iBGP neighbors?
A. They do not advertise routes learned from one iBGP neighbor to another iBGP neighbor.
B. They must be physically connected.
C. They must be in the same AS.
D. They must use their loopback addresses to form the peer connection.
Question 5:
You have summarized routes in your BGP AS with the command aggregate address 10.8.0.0 255.248.0.0. What should you expect to see in the other routers' BGP tables?
A. The summary route only.
B. None, since this command is incorrectly used (a summary mask cannot be configured).
C. None, since the aggregator command is the correct one to use here.
D. The summary route and the routes being summarized.
E. Since the command is being used incorrectly, the routes will show up the same as before the attempted summarization.
The answers await you at the bottom of the page!
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Answers:
1. The BGP origin codes:
i -- IGP
e -- EGP
? -- "incomplete"
2. C. That describes a route reflector.
3. A, C, D. It's generally considered safe to turn BGP off in the following situations:
The AS is not a transit area
All routers in the AS are running BGP
A physical full mesh exists
4. A, C. Routers are considered to be iBGP neighbors if they're in the same AS (that's the "internal" part), and as a rule a BGP speaker will not advertise a route to an iBGP neighbor if it was originally learned about from another iBGP neighbor.
5. D. Unlike some other route summarization you may have performed with EIGRP, RIP, or OSPF, the default here is to advertise both the summary route and the routes being summarized.
To advertise only the summary route, use the summary-only option with this command.
For more BSCI practice exams, head back to our CCNP Practice Exams Page!
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