CCNP Practice Exam For ISCW Study:
MultiProtocol Label Switching
Vital Reading And Watching For All Cisco Certification Candidates:
The July 2010 CCNP Changes (And How To Beat Them!)
For those of you working on the July 31, 2010 deadline for the ISCW exam, here's a practice exam on MPLS to help sharpen your skills for the big day!
There are plenty of additional ISCW practice exams on our CCNP Practice Exam!
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Enjoy the questions!
Chris Bryant
CCIE #12999
"The Computer Certification Bulldog"
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Question 1:
What table is used to perform label switching?
A. LFIB
B. IP Routing
C. FIB
D. LIB
Question 2:
Identify the four fields in an MPLS label.
A. Bottom Of Stack
B. Experimental
C. TTL
D. Field
E. FIB
F. LIB
G. LFIB
Question 3:
When you run show mpls interface detail, what word indicates an interface that's ready to forward labeled packets?
A. operational
B. functional
C. OK
D. ready
Question 4:
In an MPLS VPN deployment, what letters are used to indicate routers belonging to the service provider?
A. P
B. PE
C. CE
D. C
Question 5:
Which of the following can be found on the Data Plane?
A. LFIB
B. FIB
C. LIB
D. IP Routing Table
Question 6:
Identify the true statements regarding MPLS.
A. Routing table lookup not required on core router
B. MPLS header is 20 bits overall in size
C. Labels are used to forward packets
D. Labels can only correspond to an L3 destination address
Question 7:
What attribute is added to an MPLS VPNv4 BGP route to indicates its VPN membership?
A. weight
B. local preference
C. RT
D. RD
Answers at the bottom of the page!
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Answers:
1.
"A". The LFIB is used to perform the actual label switching.
2. "A, B, C, D". The MPLS label fields are TTL, Label, Bottom Of Stack, and Experimental.
3. "A". We want to see operational.
4. "A, B". The Provider Edge (PE) and Provider (P) routers belong to the service provider. The Customer Edge (CE) and Customer (C) routers belong to - you guessed it - the customer!
5.
"A,B". The LFIB and FIB are found on the Data Plane.
6. "A,C". Labels are used to forward packets, and a core LSR will not need to run a routing table lookup.
7. "C". That's the RT attribute - Route Target.
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