Jul 2017 updated: 300 101 dumps

Pass4sure offers free demo for ccnp 300 101 dumps exam. “Implementing Cisco IP Routing”, also known as ccnp route 300 101 pdf exam, is a Cisco Certification. This set of posts, Passing the Cisco 300 101 dumps exam, will help you answer those questions. The examcollection 300 101 Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco 300 101 route pdf exams and revised by experts!

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Q21. For troubleshooting purposes, which method can you use in combination with the “debug ip packet” command to limit the amount of output data? 

A. You can disable the IP route cache globally. 

B. You can use the KRON scheduler. 

C. You can use an extended access list. 

D. You can use an IOS parser. 

E. You can use the RITE traffic exporter. 

Answer:

Explanation: 

The debug ip packet command generates a substantial amount of output and uses a substantial amount of

system resources. This command should be used with caution in production networks. Always use with the access-list command to apply an extended ACL to the debug output. Reference: http://www.cisco.com/c/en/us/support/docs/security/dynamic-multipoint-vpn-dmvpn/111976-dmvpn-troubleshoot-00.html

Q22. CORRECT TEXT 

You are a network engineer with ROUTE.com, a small IT company. ROUTE.com has two connections to the Internet; one via a frame relay link and one via an EoMPLS link. IT policy requires that all outbound HTTP traffic use the frame relay link when it is available. All other traffic may use either link. No static or default routing is allowed. 

Choose and configure the appropriate path selection feature to accomplish this task. You may use the Test Workstation to generate HTTP traffic to validate your solution. 

Answer: We need to configure policy based routing to send specific traffic along a path that is different from the best path in the routing table. Here are the step by Step Solution for this: 

1) First create the access list that catches the HTTP traffic: R1(config)#access-list 101 permit tcp any any eq www 

2) Configure the route map that sets the next hop address to be ISP1 and permits the rest of the traffic: R1(config)#route-map pbr permit 10 

R1(config-route-map)#match ip address 101 

R1(config-route-map)#set ip next-hop 10.1.100.2 

R1(config-route-map)#exit 

R1(config)#route-map pbr permit 20 

3) Apply the route-map on the interface to the server in the EIGRP Network: 

R1(config-route-map)#exit 

R1(config)#int fa0/1 

R1(config-if)#ip policy route-map pbr 

R1(config-if)#exit 

R1(config)#exit 

Explanation: 

First you need to configure access list to HTTP traffic and then configure that access list. After that configure the route map and then apply it on the interface to the server in EIGRP network. 

Q23. The following configuration is applied to a router at a branch site: 

ipv6 dhcp pool dhcp-pool 

dns-server 2001:DB8:1:B::1 

dns-server 2001:DB8:3:307C::42 

domain-name example.com 

If IPv6 is configured with default settings on all interfaces on the router, which two dynamic IPv6 addressing mechanisms could you use on end hosts to provide end-to-end connectivity? (Choose two.) 

A. EUI-64 

B. SLAAC 

C. DHCPv6 

D. BOOTP 

Answer: A,B 

Explanation: 

Q24. 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:

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

Q25. Which prefix is matched by the command ip prefix-list name permit 10.8.0.0/16 ge 24 le 24? 

A. 10.9.1.0/24 

B. 10.8.0.0/24 

C. 10.8.0.0/16 

D. 10.8.0.0/23 

Answer:

Explanation: 

With prefix lists, the ge 24 term means greater than or equal to a /24 and the le 24 means less than or

equal to /24, so only a /24 is both greater than or equal to 24 and less than or equal to 24. This translate to any prefix in the 10.8.x.0/24 network, where X is any value in the 0-255 range.

Only the choice of 10.8.0.0.24 matches this.

Q26. Refer to the exhibit. The DHCP client is unable to receive a DHCP address from the DHCP server. Consider the following output: 

hostname RouterB ! interface fastethernet 0/0 

ip address 172.31.1.1 255.255.255.0 interface serial 0/0 ip address 10.1.1.1 255.255.255.252 

! ip route 172.16.1.0 255.255.255.0 10.1.1.2 

Which configuration is required on the Router B fastethernet 0/0 port in order to allow the DHCP client to successfully receive an IP address from the DHCP server? 

A. RouterB(config-if)# ip helper-address 172.16.1.2 

B. RouterB(config-if)# ip helper-address 172.16.1.1 

C. RouterB(config-if)# ip helper-address 172.31.1.1 

D. RouterB(config-if)# ip helper-address 255.255.255.255 

Answer:

Explanation: 

Q27. A network engineer has been asked to ensure that the PPPoE connection is established and authenticated using an encrypted password. Which technology, in combination with PPPoE, can be used for authentication in this manner? 

A. PAP 

B. dot1x 

C. IPsec 

D. CHAP 

E. ESP 

Answer:

Explanation: 

With PPPoE, the two authentication options are PAP and CHAP. When CHAP is enabled on

an interface and a remote device attempts to connect to it, the access server sends a CHAP packet to the

remote device. The CHAP packet requests or "challenges" the remote device to respond. The challenge

packet consists of an ID, a random number, and the host name of the local router. When the remote device

receives the challenge packet, it concatenates the ID, the remote device's password, and the random

number, and then encrypts all of it using the remote device's password. The remote device sends the

results back to the access server, along with the name associated with the password used in the

encryption process. When the access server receives the response, it uses the name it received to retrieve

a password stored in its user database. The retrieved password should be the same password the remote

device used in its encryption process. The access server then encrypts the concatenated information with

the newly retrieved password–if the result matches the result sent in the response packet, authentication

succeeds. The benefit of using CHAP authentication is that the remote device's password is never

transmitted in clear text (encrypted). This prevents other devices from stealing it and gaining illegal access

to the ISP's network. Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/security/configuration/

guide/fsecur_c/scfathen.ht ml

Q28. You have been asked to evaluate how EIGRP is functioning in a customer network. 

What type of route filtering is occurring on R6 

A. Distribute-list using an ACL 

B. Distribute-list using a prefix-list 

C. Distribute-list using a route-map 

D. An ACL using a distance of 255 

Answer:

Explanation: 

Q29. A network engineer is configuring a solution to allow failover of HSRP nodes during maintenance windows, as an alternative to powering down the active router and letting the network respond accordingly. Which action will allow for manual switching of HSRP nodes? 

A. Track the up/down state of a loopback interface and shut down this interface during maintenance. 

B. Adjust the HSRP priority without the use of preemption. 

C. Disable and enable all active interfaces on the active HSRP node. 

D. Enable HSRPv2 under global configuration, which allows for maintenance mode. 

Answer:

Explanation: 

The standby track command allows you to specify another interface on the router for the

HSRP process to monitor in order to alter the HSRP priority for a given group. If the line protocol of the

specified interface goes down, the HSRP priority is reduced. This means that another HSRP router with

higher priority can become the active router if that router has standby preempt enabled. Loopback

interfaces can be tracked, so when this interface is shut down the HSRP priority for that router will be

lowered and the other HSRP router will then become the active one. Reference: http://www.cisco.com/c/

en/us/support/docs/ip/hot-standby-router-protocol- hsrp/13780-6.html

Q30. Which encapsulation supports an interface that is configured for an EVN trunk? 

A. 802.1Q 

B. ISL 

C. PPP 

D. Frame Relay 

E. MPLS 

F. HDLC 

Answer:

Explanation: 

Restrictions for EVN

An EVN trunk is allowed on any interface that supports 802.1q encapsulation, such as Fast Ethernet,

Gigabit Ethernet, and port channels.

A single IP infrastructure can be virtualized to provide up to 32 virtual networks end-to-end.

If an EVN trunk is configured on an interface, you cannot configure VRF-Lite on the same interface.

OSPFv3 is not supported; OSPFv2 is supported.

Reference: 

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/evn/configuration/xe-3s/evn-xe-3s- book/evnoverview.Pdf

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