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Explanation: One form of frame tagging that VLANs use is ISL tagging. The ISL tag includes the VLAN ID.
Incorrect Answers:
A, C and E are incorrect; frame filtering will not achieve the desired result.
D is incorrect; frame tagging does not include the trunk ID.
Wendell Odom. Cisco CCNA Exam #640-507 Certification Guide. (Cisco Press: 2000) page 175.
Q. 36
A routing table contains static, RIP, and IGRP routes for the same destination network. Which route
would normally be used to forward data?
A. The IGRP route.
B. The static route.
C. The RIP route.
D. All three will load balance.
Answer: B
Explanation: If there are several routing sources providing common routing information, an administrative
distance value is used to rate the trustworthiness of each routing source. The lower the administrative distance
the more trustworthy it is. Static routes have a default distance of 1, IGRP has a default distance of 100, and
RIP has a default distance of 120.
Incorrect Answers:
A is incorrect; IGRP does not have the lowest administrative distance.
C is incorrect; RIP does not have the lowest administrative distance in fact it has the highest.
D is incorrect; as the administrative distance differ there can be no load balancing.
Steve McQuerry. Interconnecting Cisco Network Devices
. (Cisco Press: 2000) pages 256-258.
Q. 37
Which parameter must be supplied when initializing the IGRP routing process?
A. connected network numbers
B. IP address mask
C. metric weights
D. autonomous system number
E. registered administrative id
Answer: D