Download New Updated (Spring 2015) Cisco 400-101 Actual Tests 291-300

Ensurepass

 

QUESTION 291

Which option is the most effective action to avoid packet loss due to microbursts?

 

A.

Implement larger buffers.

B.

Install a faster CPU.

C.

Install a faster network interface.

D.

Configure a larger tx-ring size.

 

Correct Answer: A

 

 

QUESTION 292

Which two statements about packet fragmentation on an IPv6 network are true? (Choose two.)

 

A.

The fragment header is 64 bits long.

B.

The identification field is 32 bits long.

C.

The fragment header is 32 bits long.

D.

The identification field is 64 bits long.

E.

The MTU must be a minimum of 1280 bytes.

F.

The fragment header is 48 bits long.

 

Correct Answer: AB

 

 

QUESTION 293

You are backing up a server with a 1 Gbps link and a latency of 2 ms. Which two statements about the backup are true? (Choose two.)

 

A.

The bandwidth delay product is 2 Mb.

B.

The default TCP send window size is the limiting factor.

C.

The default TCP receive window size is the limiting factor.

D.

The bandwidth delay product is 500 Mb.

E.

The bandwidth delay product is 50 Mb.

 

Correct Answer: AC

 

 

 

 

 

 

QUESTION 294

Which two pieces of information does RTCP use to inform endpoint devices about the RTP flow? (Choose two.)

 

A.

the transmitted octet

B.

the lost packet count

C.

session control function provisioning information

D.

the CNAME for session participants

E.

the authentication method

F.

MTU size changes in the path of the flow

 

Correct Answer: AB

 

 

QUESTION 295

Which two options are required parts of an EEM policy? (Choose two.)

 

A.

event register keyword

B.

body

C.

environment must defines

D.

namespace import

E.

entry status

F.

exit status

 

Correct Answer: AB

 

 

QUESTION 296

Which two actions can you take to allow the greatest number of pertinent packets to be stored in the temporary buffer of Cisco IOS Embedded Packet Capture? (Choose two.)

 

A.

Specify the sampling interval.

B.

Specify the capture buffer type.

C.

Specify a reflexive ACL.

D.

Specify the minimum packet capture rate.

E.

Specify the packet size.

F.

Store the capture simultaneously onto an external memory card as the capture occurs.

 

Correct Answer: AB

 

 

QUESTION 297

Which technology can be used to secure the core of an STP domain?

 

A.

UplinkFast

B.

BPDU guard

C.

BPDU filter

D.

root guard

 

Correct Answer: D

 

 

QUESTION 298

What is the destination multicast MAC address for BPDUs on the native VLAN, for a switch that is running 802.1D?

 

A.

0185. C400. 0000

B.

0100.0CCC.CCCC

C.

0100.0CCC.CCCD

D.

0180. C200. 0000

 

Correct Answer: D

 

 

QUESTION 299

Refer to the exhibit. All switches have default bridge priorities, and originate BPDUs with MAC addresses as indicated. The numbers shown are STP link metrics. After STP converges, you discover that traffic from switch SWG toward switch SWD takes a less optimal path. What can you do to optimize the STP tree in this switched network?

 

clip_image001

 

A.

Change the priority of switch SWA to a lower value than the default value.

B.

Change the priority of switch SWB to a higher value than the default value.

C.

Change the priority of switch SWG to a higher value than the default value.

D.

Change the priority of switch SWD to a lower value than the default value.

 

Correct Answer: D

 

 

QUESTION 300

Which three statements are true about VSS? (Choose three.)

 

A.

VSS separates the control planes of the active and the standby chassis.

B.

Configuration changes can be made on both active and standby chassis.

C.

When the VSS active chassis recovers after a failure, it initiates a switchover and takes on the active role again.

D.

VSS unifies the control planes of the active and the standby chassis.

E.

HSRP configuration is not required to run VSS.

F.

The VSS standby chassis monitors the VSS active chassis using the VSL.

 

Correct Answer: DEF

 

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