Download New Latest (May) Cisco 642-427 Actual Tests 41-50

By | May 17, 2015

Ensurepass

 

QUESTION 41  (Topic 1)

 

Which tool allows the administrator to analyze call routing in Cisco Unified Communications Manager without physically placing a call?

 

A.

Cisco Unified Communications Manager Dialed Number Analyzer.

B.

Cisco IOS Gateway debug commands.

C.

Cisco Unified Communications Manager RTMT trace output.

D.

base configuration information for this user that specifies Class of Restriction, Partition and Calling Search Space information

E.

Cisco Unified Communications Manager Serviceability tools

F.

Cisco Unified Communications Manager OS Administration.

 

Answer: A

Explanation: Explanation-Dialed Number Analyzer installs as a feature service along with Cisco Unified Communications Manager. The tool allows you to test a Cisco Unified Communications Manager dial plan configuration prior to deploying it. You can also use the tool to analyze dial plans after the dial plan is depl

 

Link-http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/dna/6_1_1/dnai.html

 

 

QUESTION 42  (Topic 1)

 

Which of the following best describe implementation challenges that are associated with variable-length numbering plans?

 

A.

the variable number of extensions that need to be implemented

B.

the number of trunks that need to be assigned

C.

the mapping between IP addresses and extension numbers

D.

the identification of the number of digits that need to be dialed before the call is routed

E.

the degree in which the dial plan varies.

 

Answer: E

Explanation:Explanation- An open numbering plan, as found in countries that have not yet standardized on numbering plans, features variance in the length of the area code or the local number, or both.

 

Link-http://www.ciscopress.com/articles/article.asp?p=1715059

 

 

QUESTION 43  (Topic 1)

 

Refer to the exhibit.

 

clip_image001

 

How does a switch port that receives marked traffic from a Cisco IP phone use the mls qos trust cos command?

 

A.

The CoS setting is modified according to the CoS-to-DSCP map.

B.

CoS is used to select the ingress and egress queues.

C.

For non-IP packets, the CoS is set to 7 and DSCP-to-CoS mapping is not applied.

D.

The DSCP-to-CoS map is applied.

 

Answer: A

Explanation: Explanation- mls qos trustcosdefines that cos setting is modified according to COS-DSCP map.

 

 

QUESTION 44  (Topic 1)

< span lang="EN-US" style="font-family: ; mso-no-proof: yes"> 

Refer to the exhibits.

 

clip_image002

 

Low latency queuing has been implemented on the HO and BR1 routers to allow five G.729 calls. Callers are still experiencing poor audio, in particular choppy and delayed audio during traffic congestion. This problem occurs even with just one active call.

 

Which two actions will solve the issue?

 

 

 

clip_image003

 

 

 

 

 

clip_image004

 

 

 

clip_image005

 

 

 

clip_image006

 

 

 

 

 

 

 

 

 

 

 

 

 

clip_image007

 

 

 

 

 

 

 

clip_image008

 

 

 

clip_image009

 

A.

Change the codec type to G 711. J

B.

Configure RSVP call admission control

C.

Configure L ink Fragmentation and Interleave on the WAN links

D.

Configure RTP header compression on the WAN links

E.

Increase the priority queue bandwidth to 80 Kb/s

F.

Configure location settings in Cisco Unified Communications Manager to 1 20 Kb/s

 

Answer: CD

Explanation: Explanation-below link is very good to understand this concept.

 

 

 

Link-http://www.cisco.com/en/US/docs/ios/12_2/qos/configuration/guide/qcflem.html

 

 

QUESTION 45  (Topic 1)

 

Refer to the exhibit.

 

clip_image010

 

An intercluster call was placed from extension 2001 to 3001. The SDI trace from the calling cluster. Which RTP port was used by the calling phone?

 

clip_image011

 

 

 

clip_image012

 

clip_image013

 

 

 

clip_image014

 

clip_image015

 

 

 

clip_image016

 

clip_image017

 

clip_image018

 

 

 

clip_image019

 

clip_image020

 

A.

4000

B.

8000

C.

18462

D.

19470

E.

Not possible to tell because a second invite was sent because of call failure

 

Answer: C

Explanation: Explanation- RTP port shows in the logs.

 

 

QUESTION 46  (Topic 1)

 

Which step in the problem-solving model is important to accurately interview end users to get all the pertinent details of the problem?

 

A.

Implement Action Plan

B.

Define the Problem

C.

Consider the Possibilities

D.

Create Action Plan

E.

Gather Facts

F.

Observe Results

G.

Restart Problem-Solving Process

H.

Problem Resolved

 

Answer: E

Explanation:http://www.cisco.com/en/US/docs/internetworking/troubleshooting/guide/tr1901.html Step 2 Gather the facts that you need to help isolate possible causes. Ask questions of affected users, network administrators, managers, and other key people. Collect information from sources such as network management systems, protocol analyzer traces, output from router diagnostic commands, or software release notes.

 

 

QUESTION 47  (Topic 1)

 

Refer to the exhibit.

 

clip_image021

 

When 5551234 is being matched with the outgoing dial peer that is shown in the exhibit, which of the following called numbers will be sent to the VoIP network?

 

A.

5551234

B.

1234

C.

555

 

 

 

C.Null

D.

5

E.

51234

 

Answer: A

Explanation: Explanation- no rules are applied in this dial peer hence calling number will not be changed and same number will be sent to VoIP network.

 

 

QUESTION 48  (Topic 1)

 

Which statement best describes dial peers in voice gateway?

 

A.

Dial peers are call legs that are used to identity call source and destination endpoints and to define the characteristics that are applied to each call leg in the call connection.

B.

Dial peers are configured with call legs that are essential to implementing dial plans and providing voice services over an IP packet network.

C.

dial peer is a physical addressable endpoint in a voice gateway.

D.

Dial peers create physical connections called call legs to complete an end-to-end call.

 

Answer: A

Explanation:Link-

http://www.cisco.com/en/US/tech/tk652/tk90/technologies_tech_note09186a008010ae1c.s html

 

 

QUESTION 49  (Topic 1)

 

All directory number extensions are assigned to the Internal_LP partition. All phones are configured with only a line CSS, BR1 Jntl.CSS. Assuming the gateway has been configured correctly. When the two PSTN callers place a call to 02288223002, which of the following statements is true?

 

 

 

clip_image022

 

clip_image023

 

 

 

clip_image024

 

clip_image025

 

clip_image026

 

A.

The caller at 7700990255 will succeed. The caller at 2079460255 will fail

B.

The caller at 2079460255 will succeed. The caller at 7700990255 will fail

C.

Both calls will succeed.

D.

Both calls will fail

E.

Both calls will fail. However, the caller at 7700990255 can still reach 3001 because 7700990255 is the Remote Destination of 3001

 

Answer: B

Explanation:Both calls will succeedThe CSS of Gateway Inbound Routing an Mobile Voice Access ist Internal.css. The phones should thus be accessible for both.The remote destination can use the Mobile Voice access. Matching Caller ID = Partial Match and the Calling Number = msmith mobil number.

 

 

QUESTION 50  (Topic 1)

 

At what step do you restart the troubleshooting process if after observing the result of your troubleshooting, the problem still exists?

 

A.

Implement Acton Plan

B.

Define the Problem

C.

Consider the Possibilities

D.

Create Action Plan

E.

Gather Facts

F.

Observe Results

G.

Restart Problem-Solving

H.

Process Problem Resolved

 

Answer: A

Explanation:The diagram below from the Cisco TVOICE course, which we believe shows the correct answer to be “restart the troubleshooting process after implementing an action plan and observing it has not solved the problem” this also makes more sense than restarting the troubleshooting process after creating an action plan.

 

 

 

clip_image027

 

Note:

The following steps detail the problem-solving process outlined:

 

Step 1 When analyzing a network problem, make a clear problem statement. You should define the problem in terms of a set of symptoms and potential causes. To properly analyze the problem, identify the general symptoms and then ascertain what kinds of problems (causes) could result in these symptoms. For example, hosts might not be responding to service requests from clients (a symptom). Possible causes might include a misconfigured host, bad interface cards, or missing router configuration commands.

 

Step 2 Gather the facts that you need to help isolate possible causes. Ask questions of affected users, network administrators, managers, and other key people. Collectinformation from sources such as network management systems, protocol analyzer traces, output from router diagnosticcommands, or software release notes.

 

Step 3 Consider possible problems based on the facts that you gathered. Using the facts, you can eliminate some of the potential problems from your list. Depending on the data, for example, you might be able to eliminate hardware as a problem so that you can focus on software problems. At every opportunity, try to narrow the number of potential problems so that you can create an efficient plan of action.

 

 

 

Step 4 Create an action plan based on the remaining potential problems. Begin with the most likely problem, and devise a plan in which only one variable is manipulated. Changing only one variable at a time enables you to reproduce a given solution to a specific problem. If you alter more than one variable simultaneously, you might solve the problem, but identifying the specific change that eliminated the symptom becomes far more difficult and will not help you solve the same problem if it occurs in the future.

 

Step 5 Implement the action plan, performing each step carefully while testing to see whether the symptom disappears.

 

Step 6 Whenever you change a variable, be sure to gather results. Generally, you should use the same method of gathering facts that you used in Step 2 (that is, working with the key people affected, in conjunction with utilizing your diagnostic tools).

 

Step 7 Analyze the results to determine whether the problem has been resolved. If it has, then the process is complete.

 

Step 8 If the problem has not been resolved, you must create an action plan based on the next mostlikely problem in your list. Return to Step 4, change one variable at a time, and repeat the process untilthe problem is solved.

http://www.cisco.com/en/US/docs/internetworking/troubleshooting/guide/tr1901.html#wp10 20562

 

Free VCE & PDF File for Cisco 642-427 Real Exam

Instant Access to Free VCE Files: CCNA | CCNP | CCIE …
Instant Access to Free PDF Files: CCNA | CCNP | CCIE …