Which three statements are true about EIGRP route summarization? (Choose three.)
A.
When manual summarization is configured, the router immediately creates a route that
points to null0 interface.
B.
Manual route summarization is configured in router configuration mode when the router is
configured for EIGRP routing.
C.
Manual route summarization is configured on the interface.
D.
The ip summary-address eigrp command generates a default route with an administrative
distance of 5.
E.
When manual summarization is configured, the summary route will use the metric of the
largest specific metric of the summary routes.
F.
The ip summary-address eigrp command generates a default route with an administrative
distance of 90.
Explanation:
The purpose of route summarization is small routing tables, smaller updates. On major
network boundaries, subnetworks are summarized to a single classful network and
automatic route summarization is enabled by default. Manual route summarization can be
configured on per interface basis. When summarization is configured on an interface, the
router immediately creates a route pointing to null0.
Route summarization works in conjunction with the ip summary-address eigrp interface
configuration command, in which additional summarization can be performed. If automatic
summarization is in effect, there usually is no need to configure network level summaries
using the ip summary-address eigrp command. You can configure a summary aggregate
address for a specified interface. If there are any more specific routes in the routing table,
EIGRP will advertise the summary address out the interface with a metric equal to the
minimum of all more specific routes.
Reference: http://www.cisco.com/en/US/docs/ios/12_0/np1/configuration/guide/1ceigrp.html
No, an EIGRP summary does NOT generate a default route (as D states).
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While the wording of the question is arguable, you can generate a default route using the ip summary address and the summary will propagate to remote peers facing that interface. This route can be generated regardless if a default route exists in the routing table. However default route will have an AD of 90 not 5 (tested in lab). Correct answer is F
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QUESTION 423
Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office? (Choose two.)
A. DMVPN
B. MPLS VPN
C. Virtual Tunnel Interface (VTI)
D. SSL VPN
E. PPPoE
Answer: AC
QUESTION 424
Which two statements about Frame Relay Point-to-Point connections are true? (Choose Two)
A. Changing a point-to-point sub interface to a different type requires the device to be reloaded.
B. They use two DLCIs to communicate with multiple endpoints over the Frame Relay cloud.
C. The device can establish a point-to-point connection to the cloud without a DLCI.
D. They can operate normally without a DLCI map.
E. Each physical interface that extends to the Frame Relay cloud can support a single SVC.
Answer: AB
QUESTION 425
What is the international standard for transmitting data over a cable system?
A. PPPoE
B. DOCSIS
C. CMTS
D. AAL5
Answer: B
QUESTION 426
Which interface type does a PPPoE client use to establish a session?
A. Physical
B. loopback
C. visual-template
D. dialer
Answer: D
QUESTION 427
The Cisco SA 500 Series Security Appliances are built specifically for businesses with less than 100 employees. What are three important benefits of this device? (Choose three)
A. business-grade firewall
B. premium support via SMART net
C. site-to-site VPN for remote offices
D. Cisco IOS software-based
E. email security
F. XML support
Answer: ACE
QUESTION 428
Which cisco Express Forwarding component maintains Layer 2 addressing information?
A. dCEF
B. adjacency table.
C. FIB
D. fast switching
E. RIB
Answer: B
QUESTION 430
Which two debug commands can you use to view issues with CHAP and PAP authentication? (Choose Two)
A. debug tacacs
B. debug ppp authentication
C. debug radius
D. debug aaa authentication
E. debug ppp negotiation
Answer: BE
QUESTION 431
Which DSL encapsulation method requires client software running on the end-user PC that is directly connected to a DSL modem?
A. PPPoA
B. PPPoE
C. PPP
D. L2TP
E. ATM
Answer: B
QUESTION 432
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