Download New Updated (Spring 2015) Cisco 350-001 Actual Tests 231-240

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QUESTION 231

An expanding company is deploying leased lines between its main site and two remote sites. The bandwidth of the leased lines is 128kb/s each, terminated on different serial interfaces on the main router. These links are used for combined VOIP and data traffic. The network administrator has implemented a VOIP solution to reduce costs, and has therefore reserved sufficient bandwidth in a low latency queue on each interface for the VOIP traffic. Users now complain about bad voice quality although no drops are observed in the low latency queue. What action will likely fix this problem?

 

A.       mark VOIP traffic with IP precedence 6 and configure only fair-queue’ on the links

B.       configure the scheduler allocate 3000 1000 command to allow the OoS code to have enough CPU cycles

C.       enable class-based traffic shaping on the VOIP traffic class

D.      enable Layer 2 fragmentation and interleaving on the links

E.       enable Frame Relay on the links and send voice and data on different Frame Relay PVCs

 

Correct Answer: D

 

 

QUESTION 232

You are the network administrator of an enterprise with a main site and multiple remote sites. Your network carries both VOIP and data traffic. You agree with your service provider to classify VOIP and data traffic according to the different service RFCs. How can your data and VOIP traffic be marked?

 

A.       data marked with DSCP AF21, VOIP marked with DSCP EF

B.       data marked with DSCP AF51, VOIP marked with DSCP EF

C.       data marked with the DE-bit. VOIP marked with the CLP-bit

D.      data marked with DSCP EF, VOIP marked with DSCP AF31

E.       data marked with IP precedence 5, VOIP marked with DSCP EF

 

Correct Answer: A

 

 

QUESTION 233

Refer to the exhibit. When applying this hierarchical policy map on the on the tunnel1 interface, you measure high jitter for traffic going through class 1234. What is the most likely cause of this jitter?

 

clip_image001

 

A.       The configuration of a hierarchical policy map on a tunnel interface is not supported.

B.       Class 5555 and class 5554 are both taking up 100% of the bandwidth, leaving nothing for class 1234.

C.       The burst size for the traffic shaping is wrongly configured to 15000; this would require an interface capable of sending at 150Mb/s.

D.      The burst size for the traffic shaping has been wrongly configured; it should be set as low as possible.

E.       The burst size for the traffic shaping has been wrongly configured; it should be set as high as possible.

 

Correct Answer: D

 

 

QUESTION 234

Refer to the exhibit. When applying this policy map on the tunnel1 interface, you see packet loss for the TCP class starting at around 100000 b/s, instead of the configured 150000 b/s. What is the most likely cause of the discrepancy?

 

clip_image003

 

A.       The violate-action command should not be configured.

B.       The current configuration of the load-interval command on the tunnel interface is preventing p
roper policing calculations.

C.       The burst size is too low.

D.      Policing on tunnel interfaces is not supported.

E.       The CIR keyword is missing in the policer.

 

Correct Answer: C

 

 

QUESTION 235

Refer to the exhibit. As a network administrator, you have configured a dual-rate, dual-bucket policer in accordance with RFC 2698 on the serial interface of you router, connecting to your provider. The SLA with your provider states that you should only send AF31 (limited to 150 kb/s), AF32 (limited to 50 kb/s) and AF33 (best effort). Your service provider claims you are not conforming to the SLA. Which two things are wrong with this configuration? (Choose two.)

 

clip_image004

 

A.       The configuration of a service policy on half-duplex Ethernet interfaces is not supported.

B.       The class class-default sub-command of the policy-map limit command should be set to the DSCP default.

C.       < /font>The violate action is wrong.

D.      This policer configuration is not implementing RFC 2698 dual-bucket, dual-rate.

E.       The policer is configured in the wrong class.

 

Correct Answer: CE

 

 

QUESTION 236

Refer to the exhibit. You have noticed that several users in the network are consuming a great deal of bandwidth for the peer-to-peer application Kazaa2. You would like to limit this traffic, and at the same time provide a guaranteed 100 kb/s bandwidth for one of your servers. After applying the configuration in the exhibit, you notice no change in the bandwidth utilization on the serial link; it is still heavily oversubscribing the interface. What is the cause of this problem?

 

clip_image005

 

A.       CEF needs to be enabled for NBAR.

B.       In class Kazaa2, you should configure a policer instead of a drop command.

C.       The server class should have a priority of 100.

D.      The bandwidth parameter on serial 0/0 is wrong.

E.       Kazaa2 is not a valid protocol.

 

Correct Answer: A

 

 

QUESTION 237

All of these are fundamental building blocks of differentiated services Traffic Conditioner Block except which one?

 

A.       dropper

B.       classifier

C.       marker

D.      querier

E.       meter

F.        shaper

 

Correct Answer: D

 

 

QUESTION 238

Refer to the exhibit. You would like to guarantee 7 Mb/s for FTP traffic in your LAN, as it seems that peer- to-peer traffic is taking up a large amount of bandwidth. When testing the configuration, you notice that FTP traffic doesn’t reach 7 Mb/ s. What is the problem?

 

clip_image006

 

A.       The Ethernet interface should have keepalives enabled.

B.       The duplex settings are wrong on the Ethernet interface.

C.       The qos pre-classify command should be removed from the tunnel interfaces.

D.       The priority queue for the voice class is probably taking all the bandwidth.

E.        There are probably not enough interface buffers; they should be tuned.

 

Correct Answer: B

 

 

QUESTION 239

Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is not configured as a route reflector?

 

A.       prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributed

B.       all prefixes in its routing table

C.       prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed

D.       prefixes received from EBGP peers and prefixes received from route reflectors

E.        prefixes received from other IBGP peers, prefixes received from EBGP peers, and prefixes redistributed to BGP

F.        prefixes received from other IBGP peers and prefixes received from route reflectors

Correct Answer: C

 

 

QUESTION 240

You have two EBGP peers connected via two parallel serial lines. What should you do to be able to load- balance between two EBGP speakers over the parallel serial lines in both directions?

 

A.       nothing, BGP automatically load-balances the traffic between different autonomous systems on all available links

B.       peer between the eBGP speaker’s loopbacks, configuring eBGP multihop as required, and use an IGP to load-share between the two equal-cost paths between the loopback addresses

C.       configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-cost paths to reach the EBGP peer loopback address; it is also necessary to use the next- hop-self command

D.       use the ebgp-load-balance command on the neighbor statement on both sides

E.        configure a loopback as update source for both EBGP peers and have on each AS an IGP to introduce two equal-cost paths to reach the peer loopback address; it is also necessary to use the ebgp-multihop and next-hop-self commands

 

Correct Answer: B

 

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