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CCIE Routing and Switching (v5.1)
Question No: 191 – (Topic 2)
which statement about NAT64 is true?
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It uses one-to- one mapping between IPv6 addresses and IPv4 addresses
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It re quires static address mapping between 1Pv6 addresses and 1pv4 addresses
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It can be used to translate an IPv6 network to another J Pv6 network
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It can be configured for stateless and stateful transtation
Answer: D
Question No: 192 DRAG DROP – (Topic 2)
Drag and drop each extended ping IP header option from the left onto quot;the corresponding description on the right
Select and Place:
Answer:
Question No: 193 – (Topic 2)
n an STP domain. Which two topology are true a nonroot switch, when it reveives a configuration BPDU from the root bridge with the TC bit set? (Choose two)
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It does not recalculate the STP topology upon receiving change notification from the root switch.
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It sets the MAC table aging time to max_age time.
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It recalculates the STP topology upon receiving topology change notification from the root switch.
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It sets the MAC table aging time to forward_delay time.
Answer: A,D
Question No: 194 – (Topic 2)
Refer to the exhibit.
Switch A is connected to two MST domains for the first time. The error is observed on
Switch A %SPANTREE-2-PVSTIM_FAIL: Blocking designated port Fa0/1: Inconsistent superior PVST BPDU received onVLAN 10
How can this error be resolved?
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Map VLAN 10 to instance 0 in all MST regions.
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Remove the 1ST root form MST Region 2
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Configure PVST to allow MST Region 1 to be root for VLAN 10
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Map VLAN 10 into an appropriate instance on switch A
Answer: C
Question No: 195 – (Topic 2)
Which two statements about redistribution are true? (Choose two)
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When BGP traffic is redistributed into OSPF eBGP and iBGP routes are advertised.
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When EIGRP routes on a CE are redistributed through a PE into BGP, the Cost Community POI is set automatically.
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When EIGRP traffic is redistributed into BGP, a default metric is required.
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When BGP traffic is redistribute into OSPF the metric is set to 1 unless the metric is defined.
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iBGP routes automatically redistribute into IGP if the routes are in the routing table.
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When OSPF traffic is redistributed into BGP internal and external routes are redistributed.
Answer: B,D
Question No: 196 – (Topic 2)
You are implementing new addressing with EIGRP routing and must secondary address. Which are from the routing tablE.Which action is the most efficient solution to the problem?
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Disable split-horizon inside the EIGRP process on the router with the secondary addresses
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Use a different routing protocol and redistribute the routes between EIGRP and the new protocol.
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Disable split-horizon on the interface with secondary address.
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Add additional router interface and move the secondary addresses to the new interface.
Answer: C
Question No: 197 DRAG DROP – (Topic 2)
Drag and drop each NAT64 description from the left onto the corresponding NAT64 type on the right. Select and Place:
Answer:
Question No: 198 – (Topic 2)
Which measure does IS-IS use to avoid sending traffic with a wrong MTU configuration?
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MTU value is communicated in IS-IS Sequence Number PDUs (SNP), and IS-IS adjacency is not established if an MTU mismatch is detected.
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IS-IS uses does not protect from MTU mismatch.
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IS-IS uses padding of hello packets to full MTU.
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IS-IS uses path MTU discovery as specified in RFC 1063.
Answer: C
Question No: 199 – (Topic 2)
Refer to the exhibit.
Which two statements about this configuration are true? (Choose two)
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It creates summary routes and injects them into EIGRP
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It prevent 172.16.0.0/16 from being distributed into EIGRP
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It allows a default route to be distributed into EIGRP
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It prevent a default route to being distributed into EIGRP
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It allows 172.16.0.0/16 and larger students to be distributed into EIGRP
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It allow 172.16.0.0/16 to be distributed into EIGRP
Answer: C,F
Question No: 200 – (Topic 2)
How are the Cisco Express Forwarding table and the FIB related to each other?
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Cisco Express Forwarding use a FIB to make IP destination prefix-based switching
decisions.
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The FIB is used to population the Cisco Express Forwarding table.
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There can be only FIB but multiple Cisco Express Forwarding tables on IOS devices.
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The Cisco Express Forwarding table allows route lookups to be forwarding to be route processor for processing before they are sent to the FIB
Answer: A
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