[Improved] ccnp route 300-101 dumps

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2016 Jun 300-101 Study Guide Questions:

Q11. What is a function of NPTv6? 

A. It interferes with encryption of the full IP payload. 

B. It maintains a per-node state. 

C. It is checksum-neutral. 

D. It rewrites transport layer headers. 

Answer: C 

Explanation: 

RFC 6296 describes a stateless IPv6-to-IPv6 Network Prefix Translation (NPTv6) function,

designed to provide address independence to the edge network. It is transport-agnostic with respect to

transports that do not checksum the IP header, such as SCTP, and to transports that use the TCP/UDP/

DCCP (Datagram Congestion Control Protocol) pseudo-header and checksum NPTv6 provides a simple

and compelling solution to meet the address-independence requirement in IPv6. The addressindependence

benefit stems directly from the translation function of the network prefix translator. To avoid

as many of the issues associated with NAPT44 as possible, NPTv6 is defined to include a two-way,

checksum-neutral, algorithmic translation function, and nothing else. Reference: http://tools.ietf.org/html/

rfc6296

Q12. Refer to the exhibit. Which statement about the configuration is true? 

A. 20 packets are being sent every 30 seconds. 

B. The monitor starts at 12:05:00 a.m. 

C. Jitter is being tested with TCP packets to port 65051. 

D. The packets that are being sent use DSCP EF. 

Answer: A 

Explanation: 

Q13. Refer to the exhibit. When summarizing these routes, which route is the summarized route? 

A. OI 2001:DB8::/48 [110/100] via FE80::A8BB:CCFF:FE00:6F00, Ethernet0/0 

B. OI 2001:DB8::/24 [110/100] via FE80::A8BB:CCFF:FE00:6F00, Ethernet0/0 

C. OI 2001:DB8::/32 [110/100] via FE80::A8BB:CCFF:FE00:6F00, Ethernet0/0 

D. OI 2001:DB8::/64 [110/100] via FE80::A8BB:CCFF:FE00:6F00, Ethernet0/0 

Answer: A 

Explanation: 

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Up to the minute 300-101 vce:

Q14. A router receives a routing advertisement for the same prefix and subnet from four different routing protocols. Which advertisement is installed in the routing table? 

A. RIP 

B. OSPF 

C. iBGP 

D. EIGRP 

Answer: D 

Explanation: 

Q15. Refer to the exhibit. Which statement about the command output is true? 

A. The router exports flow information to 10.10.10.1 on UDP port 5127. 

B. The router receives flow information from 10.10.10.2 on UDP port 5127. 

C. The router exports flow information to 10.10.10.1 on TCP port 5127. 

D. The router receives flow information from 10.10.10.2 on TCP port 5127. 

Answer: A 

Explanation: 

Q16. A network administrator executes the command clear ip route. Which two tables does this command clear and rebuild? (Choose two.) 

A. IP routing 

B. FIB 

C. ARP cache 

D. MAC address table 

E. Cisco Express Forwarding table 

F. topology table 

Answer: A,B 

Explanation: 

To clear one or more entries in the IP routing table, use the following commands in any mode:

Command Purpose

clear ip route {* |

Clears one or more routes from both the

{route |

unicast RIB and all the module FIBs. The

prefix/length}[next-hop route options are as follows:

interface]}

· *–All routes.

[vrf vrf-name]

Example:

· route–An individual IP route.

switch(config)# clear ip

· prefix/length–Any IP prefix.

route

10.2.2.2 · next-hop–The next-hop address · interface–The interface to reach the next-hop address.

The vrf-name can be any case-sensitive, al-phanumeric string up to 32 characters.

Reference:

http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/unicast/5_0_3_N1_1/Ci

sco_n5k_layer3_ucast_cfg_rel_503_N1_1/l3_manage-routes.html

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Exact ccnp route 300-101 foundation learning guide pdf:

Q17. An engineer has configured a router to use EUI-64, and was asked to document the IPv6 address of the router. The router has the following interface parameters: 

mac address C601.420F.0007 

subnet 2001:DB8:0:1::/64 

Which IPv6 addresses should the engineer add to the documentation? 

A. 2001:DB8:0:1:C601:42FF:FE0F:7 

B. 2001:DB8:0:1:FFFF:C601:420F:7 

C. 2001:DB8:0:1:FE80:C601:420F:7 

D. 2001:DB8:0:1:C601:42FE:800F:7 

Answer: A 

Explanation: 

Explanation: Extended Unique Identifier (EUI), as per RFC2373, allows a host to assign iteslf a unique 64-

Bit IP Version 6 interface identifier (EUI-64). This feature is a key benefit over IPv4 as it eliminates the

need of manual configuration or DHCP as in the world of IPv4. The IPv6 EUI-64 format address is obtained

through the 48-bit MAC address. The Mac address is first separated into two 24-bits, with one being OUI

(Organizationally Unique Identifier) and the other being NIC specific. The 16-bit 0xFFFE is then inserted

between these two 24-bits to for the 64-bit EUI address. IEEE has chosen FFFE as a reserved value which

can only appear in EUI-64 generated from the EUI-48 MAC address. Here is an example showing how the

Mac Address is used to generate EUI.

Next, the seventh bit from the left, or the universal/local (U/L) bit, needs to be inverted. This bit identifies

whether this interface identifier is universally or locally administered. If 0, the address is locally

administered and if 1, the address is globally unique. It is worth noticing that in the OUI portion, the globally

unique addresses assigned by the IEEE has always been set to 0 whereas the locally created addresses

has 1 configured. Therefore, when the bit is inverted, it maintains its original scope (global unique address

is still global unique and vice versa). The reason for inverting can be found in RFC4291 section 2.5.1.

Reference: https:// supportforums.cisco.com/document/100566/understanding-ipv6-eui-64-bit- address

Q18. Refer to the exhibit. 

A network administrator checks this adjacency table on a router. What is a possible cause for the incomplete marking? 

A. incomplete ARP information 

B. incorrect ACL 

C. dynamic routing protocol failure 

D. serial link congestion 

Answer: A 

Explanation: 

To display information about the Cisco Express Forwarding adjacency table or the hardware Layer 3-

switching adjacency table, use the show adjacency command.

Reasons for Incomplete Adjacencies

There are two known reasons for an incomplete adjacency:

The router cannot use ARP successfully for the next-hop interface.

After a clear ip arp or a clear adjacency command, the router marks the adjacency as incomplete. Then it

fails to clear the entry.

In an MPLS environment, IP CEF should be enabeled for Label Switching. Interface level command ip

route-cache cef No ARP Entry When CEF cannot locate a valid adjacency for a destination prefix, it punts

the packets to the CPU for ARP resolution and, in turn, for completion of the adjacency.

Reference: http://www.cisco.com/c/en/us/support/docs/ip/express-forwarding-cef/17812-cefincomp.

html#t4

Q19. Which PPP authentication method sends authentication information in cleartext? 

A. MS CHAP 

B. CDPCP 

C. CHAP 

D. PAP 

Answer: D 

Explanation: 

Q20. CORRECT TEXT [SIMULATION] 

Route.com is a small IT corporation that is attempting to implement the network shown in the exhibit. Currently the implementation is partially completed. OSPF has been configured on routers Chicago and NewYork. The SO/O interface on Chicago and the SO/1 interface on NewYork are in Area 0. The loopbackO interface on NewYork is in Area 1. However, they cannot ping from the serial interface of the Seattle router to the loopback interface of the NewYork router. You have been asked to complete the implementation to allow this ping. 

ROUTE.com's corporate implementation guidelines require: 

. The OSPF process ID for all routers must be 10. 

. The routing protocol for each interface must be enabled under the routing process. 

. The routing protocol must be enabled for each interface using the most specific wildcard mask possible. 

.The serial link between Seattle and Chicago must be in OSPF area 21. 

.OSPF area 21 must not receive any inter-area or external routes. 

Network Information 

Seattle 

S0/0 192.168.16.5/30 – Link between Seattle and Chicago 

Secret Password: cisco 

Chicago 

S0/0 192.168.54.9/30 – Link between Chicago and NewYork 

S0/1 192.168.16.6/30 – Link between Seattle and Chicago Secre Password: cisco 

NewYork 

S0/1 192.168.54.10/30 – Link between Chicago and NewYork 

Loopback0 172.16.189.189 

Secret Password: cisco 

Answer: Here is the solution below: 

Explanation: 

Note: In actual exam, the IP addressing, OSPF areas and process ID, and router hostnames may change, but the overall solution is the same. 

Seattle’s S0/0 IP Address is 192.168.16.5/30. So, we need to find the network address and wildcard mask of 192.168.16.5/30 in order to configure the OSPF. 

IP Address: 192.168.16.5 /30 

Subnet Mask: 255.255.255.252 

Here subtract 252 from 2565, 256-252 = 4, hence the subnets will increment by 4. 

First, find the 4th octet of the Network Address: 

The 4th octet of IP address (192.168.16.5) belongs to subnet 1 (4 to 7). 

Network Address: 192.168.16.4 

Broadcast Address: 192.168.16.7 

Lets find the wildcard mask of /30. 

Subnet Mask: (Network Bits – 1’s, Host Bits – 0’s) 

Lets find the wildcard mask of /30: 

Now we configure OSPF using process ID 10 (note the process ID may change to something else in real exam). 

Seattle>enable 

Password: cisco

Seattle#conf t 

Seattle(config)#router ospf 10 

Seattle(config-router)#network 192.168.16.4 0.0.0.3 area 21 

One of the tasks states that area 21 should not receive any external or inter-area routes (except 

the default route). 

Seattle(config-router)#area 21 stub 

Seattle(config-router)#end 

Seattle#copy run start 

Chicago Configuration: 

Chicago>enable 

Password: cisco 

Chicago#conf t 

Chicago(config)#router ospf 10 

We need to add Chicago’s S0/1 interface to Area 21 

Chicago(config-router)#network 192.168.16.4 0.0.0.3 area 21 

Again, area 21 should not receive any external or inter-area routes (except the default route). 

In order to accomplish this, we must stop LSA Type 5 if we don’t want to send external routes. And 

if we don’t want to send inter-area routes, we have to stop LSA Type 3 and Type 4. Therefore we 

want to configure area 21 as a totally stubby area. 

Chicago(config-router)#area 21 stub no-summary 

Chicago(config-router)#end 

Chicago#copy run start 

The other interface on the Chicago router is already configured correctly in this scenario, as well 

as the New York router so there is nothing that needs to be done on that router. 

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