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300-101 Product Description:
Exam Number/Code: 300-101 vce
Exam name: Implementing Cisco IP Routing
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Certification: Cisco Certification
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Exam Code: 300-101 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Implementing Cisco IP Routing
Certification Provider: Cisco
Free Today! Guaranteed Training- Pass 300-101 Exam.

2016 May 300-101 Study Guide Questions:

Q31. A network engineer is trying to modify an existing active NAT configuration on an IOS router by using the following command: 

(config)# no ip nat pool dynamic-nat-pool 192.1.1.20 192.1.1.254 netmask 255.255.255.0 

Upon entering the command on the IOS router, the following message is seen on the console: 

%Dynamic Mapping in Use, Cannot remove message or the %Pool outpool in use, cannot destroy 

What is the least impactful method that the engineer can use to modify the existing IP NAT configuration? 

A. Clear the IP NAT translations using the clear ip nat traffic * " command, then replace the NAT configuration quickly, before any new NAT entries are populated into the translation table due to active NAT traffic. 

B. Clear the IP NAT translations using the clear ip nat translation * " command, then replace the NAT configuration quickly, before any new NAT entries are populated into the translation table due to active NAT traffic. 

C. Clear the IP NAT translations using the reload command on the router, then replace the NAT configuration quickly, before any new NAT entries are populated into the translation table due to active NAT traffic. 

D. Clear the IP NAT translations using the clear ip nat table * " command, then replace the NAT configuration quickly, before any new NAT entries are populated into the translation table due to active NAT traffic. 

Answer: B 

Explanation: 


Q32. CORRECT TEXT 

JS Industries has expanded their business with the addition of their first remote office. The remote office router (R3) was previously configured and all corporate subnets were reachable from R3. JS Industries is interested in using route summarization along with the EIGRP Stub Routing feature to increase network stability while reducing the memory usage and bandwidth utilization to R3. Another network professional was tasked with implementing this solution. However, in the process of configuring EIGRP stub routing connectivity with the remote network devices off of R3 has been lost. 

Currently EIGRP is configured on all routers R2, R3, and R4 in the network. Your task is to identify and resolve the cause of connectivity failure with the remote office router R3. Once the issue has been resolved you should complete the task by configuring route summarization only to the remote office router R3. 

You have corrected the fault when pings from R2 to the R3 LAN interface are successful, and the R3 IP routing table only contains 2 10.0.0.0 subnets. 





Answer: Here are the solution as below: 

Explanation: 

First we have to figure out why R3 and R4 can not communicate with each other. Use the show running-config command on router R3. 


Notice that R3 is configured as a stub receive-only router. The receive-only keyword will restrict the router from sharing any of its routes with any other router in that EIGRP autonomous system. This keyword will also prevent any type of route from being sent. Therefore we will remove this command and replace it with the eigrp stub command: 

R3# configure terminal 

R3(config)# router eigrp 123 

R3(config-router)# no eigrp stub receive-only 

R3(config-router)# eigrp stub 

R3(config-router)# end 

Now R3 will send updates containing its connected and summary routes to other routers. Notice that the eigrp stub command equals to the eigrp stub connected summary because the connected and summary options are enabled by default. Next we will configure router R3 so that it has only 2 subnets of 10.0.0.0 network. Use the show ip route command on R3 to view its routing table: 


Because we want the routing table of R3 only have 2 subnets so we have to summary sub-networks at the interface which is connected with R3, the s0/0 interface of R4. 

There is one interesting thing about the output of the show ip route shown above: the 10.2.3.0/24, which is a directly connected network of R3. We can’t get rid of it in the routing table no matter what technique we use to summary the networks. Therefore, to make the routing table of R3 has only 2 subnets we have to summary other subnets into one subnet. 

In the output if we don’t see the summary line (like 10.0.0.0/8 is a summary…) then we should use the command ip summary-address eigrp 123 10.2.0.0 255.255.0.0 so that all the ping can work well. 

In conclusion, we will use the ip summary-address eigrp 123 10.2.0.0 255.255.0.0 at the interface s0/0 of R4 to summary. 

R4> enable 

R4# conf t 

R4(config)# interface s0/0 

R4(config-if)# ip summary-address eigrp 123 10.2.0.0 255.255.0.0 

Now we jump back to R3 and use the show ip route command to verify the effect, the output is shown below: 


Note: Please notice that the IP addresses and the subnet masks in your real exam might be different so you might use different ones to solve this question. Just for your information, notice that if you use another network than 10.0.0.0/8 to summary, for example, if you use the command ip summary-address eigrp 123 10.2.0.0 255.255.0.0 you will leave a /16 network in the output of the show ip route command. 


But in your real exam, if you don’t see the line "10.0.0.0/8 is a summary, Null0" then you can summarize using the network 10.2.0.0/16. This summarization is better because all the pings can work well. Finally don’t forget to use the copy run start command on routers R3 and R4 to save the configurations. R3(config-if)# end R3# copy run start R4(config-if)# end R4# copy run start 

If the “copy run start” command doesn’t work then use “write memory.” 


Q33. Refer to the exhibit. The network setup is running the RIP routing protocol. Which two events will occur following link failure between R2 and R3? (Choose two.) 


A. R2 will advertise network 192.168.2.0/27 with a hop count of 16 to R1. 

B. R2 will not send any advertisements and will remove route 192.168.2.0/27 from its routing table. 

C. R1 will reply to R2 with the advertisement for network 192.168.2.0/27 with a hop count of 16. 

D. After communication fails and after the hold-down timer expires, R1 will remove the 192.168.2.0/27 route from its routing table. 

E. R3 will not accept any further updates from R2, due to the split-horizon loop prevention mechanism. 

Answer: A,C 

Explanation: 


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Rebirth ccnp routing and switching route 300-101 pdf:

Q34. Which two methods of deployment can you use when implementing NAT64? (Choose two.) 

A. stateless 

B. stateful 

C. manual 

D. automatic 

E. static 

F. functional 

G. dynamic 

Answer: A,B 

Explanation: 

While stateful and stateless NAT64 perform the task of translating IPv4 packets into IPv6 packets and vice

versa, there are important differences. The following

table provides a high-level overview of the most relevant differences.

Table 2. Differences Between Stateless NAT64 and Stateful NAT64

Stateless NAT64 Stateful NAT64

1:1 translation 1:N translation

No conservation of IPv4 address Conserves IPv4 address

Assures end-to-end address Uses address overloading, hence transparency and scalability lacks in endto-

end address transparency

No state or bindings created on the State or bindings are created on every translation unique translation

Requires IPv4-translatable IPv6 No requirement on the nature of IPv6 addresses assignment (mandatory

address assignment requirement)

Requires either manual or DHCPv6 Free to choose any mode of IPv6 based address assignment for IPv6

address assignment viz. Manual, hosts DHCPv6, SLAAC Reference: http://www.cisco.com/c/en/us/

products/collateral/ios-nx-os-software/enterprise-ipv6- solution/white_paper_c11-676277.html


Q35. Two aspects of an IP SLA operation can be tracked: state and reachability. Which statement about state tracking is true? 

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

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

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

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

Answer: A 

Explanation: 


Q36. A network engineer notices that transmission rates of senders of TCP traffic sharply increase and decrease simultaneously during periods of congestion. Which condition causes this? 

A. global synchronization 

B. tail drop 

C. random early detection 

D. queue management algorithm 

Answer: A 

Explanation: 

TCP global synchronization in computer networks can happen to TCP/IP flows during periods of

congestion because each sender will reduce their transmission rate at the same time when packet loss

occurs. Routers on the Internet normally have packet queues, to allow them to hold packets when the

network is busy, rather than discarding them. Because routers have limited resources, the size of these

queues is also limited. The simplest technique to limit queue size is known as tail drop. The queue is

allowed to fill to its maximum size, and then any new packets are simply discarded, until there is space in

the queue again. This causes problems when used on TCP/IP routers handling multiple TCP streams,

especially when bursty traffic is present. While the network is stable, the queue is constantly full, and there

are no problems except that the full queue results in high latency. However, the introduction of a sudden

burst of traffic may cause large numbers of established, steady streams to lose packets simultaneously.

Reference: http://en.wikipedia.org/wiki/TCP_global_synchronization


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Accurate pdf ccnp route 300-101:

Q37. 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: A 

Explanation: 


Q38. A user is having issues accessing file shares on a network. The network engineer advises the user to open a web browser, input a prescribed IP address, and follow the instructions. After doing this, the user is able to access company shares. Which type of remote access did the engineer enable? 

A. EZVPN 

B. IPsec VPN client access 

C. VPDN client access 

D. SSL VPN client access 

Answer: D 

Explanation: 

The Cisco AnyConnect VPN Client provides secure SSL connections to the security

appliance for remote users. Without a previously installed client, remote users enter the IP address in their

browser of an interface configured to accept SSL VPN connections. Unless the security appliance is

configured to redirect http:// requests to https://, users must enter the URL in the form https://<address>.

After entering the URL, the browser connects to that interface and displays the login screen. If the user

satisfies the login and authentication, and the security appliance identifies the user as requiring the client, it

downloads the client that matches the operating system of the remote computer. After downloading, the

client installs and configures itself, establishes a secure SSL connection and either remains or uninstalls

itself (depending on the security appliance configuration) when the connection terminates. Reference:

http://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-next- generation-firewalls/100936-

asa8x-split-tunnel-anyconnect-config.html


Q39. A network engineer executes the “ipv6 flowset” command. What is the result? 

A. Flow-label marking in 1280-byte or larger packets is enabled. 

B. Flow-set marking in 1280-byte or larger packets is enabled. 

C. IPv6 PMTU is enabled on the router. 

D. IPv6 flow control is enabled on the router. 

Answer: A 

Explanation: 

Enabling Flow-Label Marking in Packets that Originate from the Device This feature allows the device to

track destinations to which the device has sent packets that

are 1280 bytes or larger.

SUMMARY STEPS

1.enable

2.configure terminal

3.ipv6 flowset

4.exit

5.clear ipv6 mtu

DETAILED STEPS

Command or Action Purpose

Step 1 enable Enables privileged EXEC mode.

Enter your password if prompted.

Example:

Device> enable

Step 2 configure terminal Enters global configuration mode.

Example:

Device# configure

terminal

Step 3 ipv6 flowset Configures flow-label marking in 1280-byte or larger packets sent by the device.

Example:

Device# configure

terminal

Step 3 ipv6 flowset Configures flow-label marking in 1280-byte or larger packets sent by the device.

Example:

Device(config)# ipv6

flowset

Reference: http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6_basic/configuration/15- mt/ip6b-15-mtbook/ip6-mtu-path-disc.html


Q40. A network engineer is investigating the cause of a service disruption on a network segment and executes the debug condition interface fastethernet f0/0 command. In which situation is the debugging output generated? 

A. when packets on the interface are received and the interface is operational 

B. when packets on the interface are received and logging buffered is enabled 

C. when packets on the interface are received and forwarded to a configured syslog server 

D. when packets on the interface are received and the interface is shut down 

Answer: A 

Explanation: 



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