[Free] 2018(Aug) Ensurepass Cisco 300-101 Dumps with VCE and PDF 211-220

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Implementing Cisco IP Routing

Question No: 211 – (Topic 7)

Refer to the exhibit.

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Which two statements are true about the router configuration? (Choose two.)

  1. This configuration allows applications on the same segment to communicate via IPv4 or IPv6.

  2. This configuration is referred to as a dual-stack 6to4 tunnel.

  3. This configuration is referred to as a dual stack.

  4. This configuration will attempt to route packets using IPv4 first, and if that fails, then IPv6.

Answer: A,C

Explanation:

This router demonstrates an example of an IPv6 Dual Stack configuration. Dual stack (Figure 1 below) runs both IPv4 and IPv6 protocol stacks on a router in parallel, making it similar to the multiprotocol network environments of the past, which often ran Internetwork Packet Exchange (IPX), AppleTalk, IP, and other protocols concurrently. The technique of deploying IPv6 using dual-stack backbones allows IPv4 and IPv6 applications to coexist in a dual IP layer routing backbone. The IPv4 communication uses the IPv4 protocol stack, and the IPv6 communication uses the IPv6 stack.

As a transition strategy, dual stack is ideal for campus networks with a mixture of IPv4 and IPv6 applications.

Figure 1: Dual-Stack Example

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Question No: 212 – (Topic 7)

Two aspects of an IP SLA operation can be tracked: state and reachability. Which statement about state tracking is true?

  1. When tracking state, an OK return code means that the track#39;s state is up; any other return code means that the track#39;s state is down.

  2. When tracking state, an OK or over threshold return code means that the track#39;s state is up; any other return code means that the track#39;s state is down.

  3. When tracking state, an OK return code means that the track#39;s state is down; any other return code means that the track#39;s state is up.

  4. When tracking state, an OK or over threshold return code means that the track#39;s state is down; any other return code means that the track#39;s state is up.

Answer: A

Question No: 213 – (Topic 7)

What is the difference between the IPv6 addresses ::/0 and ::/128?

  1. ::/0 is the default route, and ::/128 is the unspecified address.

  2. ::/0 is the unicast address, and ::/128 is the anycast address.

  3. ::/0 is the anycast address, and ::/128 is the multicast address.

  4. ::/0 is the unicast address, and ::/128 is the multicast address.

  5. ::/0 is the unspecified address, and ::/128 is the multicast address.

  6. ::/0 is the anycast address, and ::/128 is the default address.

Answer: A

Question No: 214 – (Topic 7)

What is the optimal location from which to execute a debug command that produces an excessive amount of information?

  1. Vty lines

  2. SNMP commands

  3. A console port

  4. An AUX port

Answer: A

Question No: 215 – (Topic 7)

Refer to exhibit.

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What is indicated by the show ip cef command for an address?

  1. CEF is unable to get routing information for this route.

  2. CEF cannot switch packet for this route and passes it to the next best switching method.

  3. A valid entry and is pointed to hardware based forwarding.

  4. CEF cannot switch packet for this route and drops it.

Answer: B

Explanation: Glean adjacency – in short when the router is directly connected to hosts the FIB table on the router will maintain a prefix for the subnet rather than for the individual host prefix. This subnet prefix points to a GLEAN adjacency.

Punt adjacency – When packets to a destination prefix can’t be CEF Switched, or the feature is not supported in the CEF Switching path, the router will then use the next slower switching mechanism configured on the router.

Question No: 216 – (Topic 7)

Which statement is true concerning 6to4 tunneling?

  1. IPv4 traffic is encapsulated with an IPv6 header.

  2. The edge routers can use any locally configured IPv6 address.

  3. Hosts and routers inside a 6to4 site will need a special code.

  4. An edge router must use IPv6 address of 2002::/16 in its prefix.

Answer: D Explanation: Explanation

6to4 tunnels use IPv6 addresses that concatenate 2002::/16 with the 32-bit IPv4 address of the edge router, creating a 48-bit prefix.

Question No: 217 – (Topic 7)

Other than a working EIGRP configuration, which option must be the same on all routers for EIGRP authentication key role over to work correctly?

  1. SMTP

  2. SNMP

  3. Passwords

  4. Time

Answer: C

Question No: 218 – (Topic 7)

The enterprise network WAN link has been receiving several denial of service attacks from both IPv4 and IPv6 sources. Which three elements can you use to identify an IPv6 packet via its header, in order to filter future attacks? (Choose three.)

  1. Traffic Class

  2. Source address

  3. Flow Label

  4. Hop Limit

  5. Destination Address

  6. Fragment Offset

Answer: B,C,E

Question No: 219 DRAG DROP – (Topic 7)

Match with the Correct

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Answer:

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Question No: 220 – (Topic 7)

Which three benefits does the Cisco Easy Virtual Network provide to an enterprise network? (Choose three.)

  1. simplified Layer 3 network virtualization

  2. improved shared services support

  3. enhanced management, troubleshooting, and usability

  4. reduced configuration and deployment time for dot1q trunking

  5. increased network performance and throughput

  6. decreased BGP neighbor configurations

Answer: A,B,C

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