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2021 Jun 400-101 Study Guide Questions:
Q31. Which EEM event detector is triggered by hardware installation or removal?
A. Enhanced-Object-Tracking Event Detector
B. Resource Event Detector
C. OIR Event Detector
D. CLI Event Detector
Q32. DRAG DROP
Drag and drop the BGP attribute on the left to the correct category on the right.
Q33. Which set of commands conditionally advertises 172.16.0.0/24 as long as 10.10.10.10/32 is in the routing table?
A. Option A
B. Option B
C. Option C
D. Option D
Advertise maps are used for conditional routing to advertise specified prefixes if something which is specified in exist map exists. In our question we need to advertise 172.16.0.0/24 if 10.10.10.10/32 exists in the routing table so we have to use commanD. “neighbor x.x.x.x advertise-map <prefix-list of 172.16.0.0/24> exist-map <prefix-list of 10.10.10.10/32>”. Therefore B is correct.
Abreast of the times cisco ccie 400-101:
Q34. Which algorithm heavily influenced the algorithm used by path-vector protocols?
A path vector protocol is a computer network routing protocol which maintains the path information that gets updated dynamically. Updates which have looped through the network and returned to the same node are easily detected and discarded. This algorithm is sometimes used in Bellman–Ford routing algorithms to avoid "Count to Infinity" problems.
Q35. Where should the passive-interface command be used?
A. Under the routing process for interfaces that need to be routed, but prevented from peering
B. under the routing process for interfaces that need to be routed and allowed to peer
C. under the interface configuration for interfaces that need to be routed, but prevented from peering
D. under the interface configuration for interfaces that need to be routed and allowed to peer
E. under the VTY configuration within global configuration mode
Passive-interface is a feature you enable on a per interface basis which allows a particular interface to participate in a routing process but prevents that interface from forming neighbor relationships by not sending hello packets and discarding received hello packets.
Q36. Refer to the exhibit.
If the network switch is configured as shown, which two statements about network traffic are true? (Choose two.)
A. Traffic enters the shaper on a FIFO basis.
B. Traffic enters the shaper on a weighted fair queueing basis.
C. Drop behavior is random for traffic in excess of 6 Mbps.
D. Voice traffic is given priority until it reaches 1.5 Mbps.
E. Voice traffic is given priority until it reaches 6 Mbps.
A. Serial interfaces at E1 (2.048 Mbps) and below use weighted fair queueing (WFQ) by default. Other interfaces use first-in first-out (FIFO) by default.
D. Voice traffic is given priority up to 25% of the shape average value, which is 6000000, so 25% of 6 Mbps is 1.5 Mbps.
Pinpoint 400-101 error:
Q37. What is the maximum number of secondary IP addresses that can be configured on a router interface?
F. no limit to the number of addresses
From “IP Routing Frequently Asked Questions”
Q. What are the maximum number of secondary IP addesses that can be configured on a router interface?
.A. There are no limits on configuring secondary IP addresses on a router interface.
Q38. DRAG DROP
Drag and drop the router preference on the left to the correct routing sequence (from most preferred to least preferred) on the right.
Q39. DRAG DROP
Drag and drop the IPv6 multicast feature on the left to its corresponding function on the right.
Q40. Which two BGP attributes are optional, non-transitive attributes? (Choose two.)
A. AS path
B. local preference
E. cluster list