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New Cisco 300-101 Exam Dumps Collection (Question 1 - Question 10)

Question No: 1

Given the network diagram.

Which address would successfully summarize only the networks seen?

A. 192.168.0.0/24

B. 192.168.8.0/20

C. 192.168.8.0/21

D. 192.168.12.0/20

E. 192.168.16.0/21

F. These networks cannot be summarized.

Answer: C

Explanation:

let's suppose it is a /20 then we would have addresses from 192.168.0.1 to 192.168.15.255 Now let's suppose it is a /21 then we would have addresses from 192.168.8.1 to 192.168.15.255

So both summaries encompass the networks we want to summarize but the second one is the most restrictive one as it only encompasses the networks we were asked to summarize and not others so it is the correct summary.

In fact just count the number of subnets which is 8 and find the exponent of 2 which is 8, that gives you 3 and to find out the summary mask just do /24 - 3 = /21.

if you make it in binary you'll find out the answer too: the interesting octet is 3rd one so let's convert in binary. 8 0000 1000

9 0000 1001

10 0000 1010

11 0000 1011

12 0000 1100

13 0000 1101

14 0000 1110

15 0000 1111

I've bolded the bits in common there are 5 so 16+5=21 which is mask and address is 192.168.8.0

Question No: 2

A network administrator creates a static route that points directly to a multiaccess interface, instead of the next-hop IP address. The administrator notices that Cisco Express Forwarding ARP requests are being sent to all destinations. Which issue might this configuration create?

A. Low bandwidth usage

B. High memory usage

C. Cisco Express Forwarding routing loop

D. High bandwidth usage

E. IP route interference

Answer: C

Question No: 3

Refer to the exhibit.

Which option prevents routing updates from being sent to the access layer switches?

A. DWS1(config-router)# passive-interface default DWS2(config-router)# passive-interface default

B. ALS1(config-router)# passive-interface default ALS2(config-router)# passive-interface default

C. DWS1(config-router)# passive-interface gi1/1 DWS1(config-router)# passive-interface gi1/2 DWS2(config-router)# passive-interface gi1/1 DWS2(config-router)# passive-interface gi1/2

D. ALS1(config-router)# passive-interface gi0/1 ALS1(config-router)# passive-interface gi0/2 ALS2(config-router)# passive-interface gi0/1 ALS2(config-router)# passive-interface gi0/2

Answer: C

Question No: 4

A router was configured with the eigrp stub command. The router advertises which types of routes?

A. connected, static, and summary

B. static and summary

C. connected and static

D. connected and summary

Answer: D

Question No: 5

Which easy virtual networking configuration component significantly decreases network configuration?

A. Easy Trunk

B. dot1e

C. virtual network trunk

D. VNET tags

E. MBGP

Answer: C

Question No: 6

Which IP SLA operation requires Cisco endpoints?

A. UDP Jitter for VoIP

B. ICMP Path Echo

C. ICMP Echo

D. UDP Jitter

Answer: A

Explanation:

UDP Jitter Operation

With the addition of real-time traffic (ie: VoIP), the focus shifts not just in the reliability of the network, but also on the delays involved in transmitting the data. Real-time traffic is delay sensitive. For Voice data, packet loss is manageable to some extent, but frequent losses impair communication between endpoints. The UDP jitter operation is the most popular operation because the user can obtain packet loss, jitter and latency from one operation. This also includes unidirectional measurements as well.

The Jitter operation is designed to measure the delay, delay variance and packet loss in IP networks by generating active UDP traffic. It sends N packets, each of size S, from source router to a target router (which requires Cisco IOS IP SLAs responder enabled) each T milliseconds apart. All these parameters are user configurable.

http://www.cisco.com/en/US/technologies/tk648/tk362/tk920/technologies_white_paper09186a00802d5efe.html

Question No: 7

Which IP SLA operation can be used to measure round-trip delay for the full path and hop- by-hop round-trip delay on the network?

A. HTTP

B. ICMP path echo

C. TCP connect

D. ICMP echo

Answer: B

Question No: 8

Refer to Exhibit.

R1 is unable to ping interface S0/0 of R2. What is the issue the configuration that is shown here?

A. The route-target configuration command is missing.

B. The interface IP addresses are not in the same subnet.

C. the syntax of the ping command is wrong.

D. The default route configuration is missing.

E. The serial interfaces belong to the global table instead of vrf Yellow.

Answer: D

Question No: 9

What are three reasons to control routing updates via route filtering? (Choose three).

A. to hide certain networks from the rest of the organization

B. for easier implementation

C. to control network overhead on the wire

D. for simple security

E. to prevent adjacencies from forming

Answer: A,C,D

Explanation:

Route filtering hide certain networks from the rest of the organization and it also controls network overhead. Not only this, it also provides security to the routing updates.

Question No: 10

A network engineer has configured a tracking object to monitor the reachability of IP SLA 1. In order to update the next hop for the interesting traffic, which feature must be used in conjunction with the newly created tracking object to manipulate the traffic flow as required?

A. SNMP

B. PBR

C. IP SLA

D. SAA

E. ACLs

F. IGP

Answer: B

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