[Free] 2017(Oct) EnsurePass Dumpsleader Cisco 640-911 Dumps with VCE and PDF 121-130

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2017 Oct Cisco Official New Released 640-911
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Introducing Cisco Data Center Networking

Question No: 121

What is the dotted hexadecimal representation of the IP address 172.13.99.225?

A. AC.0D.63.E1

B. AB.63.99.D5

C. E2.1D.E1.66

D. BC.0C.C3.1F

E. CC.0D.F3.21

Answer: A

Question No: 122

Which option is an example of a distance vector routing protocol?

  1. RIP

  2. OSPF

  3. ARP

  4. IS-IS

Answer: A Explanation:

http://en.wikipedia.org/wiki/Distance-vector_routing_protocol

quot;Examples of distance-vector routing protocols include RIPv1 and RIPv2 and IGRP.quot; OSPF, IS-IS – link-state routing protocols. ARP – address resolution protocol.

Question No: 123

In an IPv6 address, how many bits are used for the interface identifier?

  1. 48

  2. 16

  3. 64

D. 128

E. 10

Answer: C

Question No: 124

What is the maximum distance that is supported between two devices that are connected via Cisco Fabric Extender Transceivers?

  1. 50 m

  2. 75 m

  3. 100 m

  4. 150 m

Answer: C

Question No: 125

Ensurepass 2017 PDF and VCE

Refer to the exhibit. If switch SW2 was replaced with a router, which two effects would it have on the network? (Choose two.)

  1. reduce the number of collision domains

  2. increase the number of broadcast domains

  3. increase the number of collision domains

  4. reduce the number of broadcast domains

  5. no change in collision domains

Answer: B,E

Question No: 126

Which command can change the sequence of a router boot process?

  1. config-register

  2. configuration-register

  3. conf-register

  4. config-registration

Answer: A

Question No: 127

What are three characteristics of the Ethernet access method CSMA/CD? (Choose three.)

  1. It allows many stations access to the same wire.

  2. It provides segmentation of a LAN.

  3. It allows a transmitting station to detect activity on the wire.

  4. It allows for detection of collisions on the wire.

  5. It provides broadcast capability on the wire.

Answer: A,C,D

Question No: 128

Which network topology is most closely associated with classical CSMA/CD?

  1. bus

  2. token passing bus

  3. star

  4. extended star

  5. ring

Answer: A Explanation:

quot;For the bus topology, the quot;classicalquot; access methods are the CSMA/CD..quot; http://books.google.com/books?id=tmJzufisExQCamp;pg=PA39amp;lpg=PA39amp;dq=classic CSM A/CD bus topologyamp;source=blamp;ots=b1L_uaAcVRamp;sig=Tx8zfIavph8RFr9N5n5EDv2WZZo

amp;hl=ruamp;sa=Xamp;ei=jnDmUsTTD4no4gSd_oGwCwamp;ved=0CCwQ6AEwAQ#v=onepageamp;q=cl assic CSMA/CD bus topologyamp;f=false

Question No: 129

In which Cisco IOS mode of a Cisco router could an engineer issue show commands for verification purposes?

  1. enable EXEC mode

  2. user EXEC mode

  3. global configuration mode

  4. interface level mode

Answer: A

Question No: 130

What will cause a device to wait a random amount of time before trying to transmit again?

  1. signal drop or fade

  2. signal acknowledgment

  3. packet drop

  4. signal collision

  5. keep alive signal

  6. Ethernet silence tone

Answer: D

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