Cisco 640-911 Online Practice Questions and Exam Preparation

Cisco 640-911 Online Questions & Answers

• Question 41:

  Which layer of the OSI model is associated with Token Ring Media Access Control?

  A. datagram
  B. routing
  C. network
  D. data link
  E. transport
  F. transmission
  G. session
  D. data link

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  "Token ring local area network (LAN) technology was a protocol which resided at the data link layer (DLL) of the OSI model." http://en.wikipedia.org/wiki/Token_ring

• Question 42:

  Which command should you use to configure a Cisco Nexus switch port for Layer 2 operation?

  A. nexus(config-if)#switchport
  B. nexus(config-if)#layer-2
  C. nexus(config-if)#routed
  D. nexus(config)#interface vlan 10nexus(config-if)#switchport
  A. nexus(config-if)#switchport

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  "If you want to configure a Layer 3 interface for Layer 2, enter the switchport command. Then, if you change a Layer 2 interface to a routed interface, enter the no switchport command." http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/command/reference/l ayer2/n5kl2_cmds_n.pdf

• Question 43:

  What is the binary value of the hexadecimal number 0x511?

  A. 10100011001
  B. 10101010101
  C. 10110010001
  D. 10100010001
  E. 10100110011
  D. 10100010001

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  Decimal 1297 Binary 10100010001 Hexadecimal 0x511 Roman MCCXCVII Dotted decimal 0.0.5.17

• Question 44:

  Which address is valid in the data link layer of the OSI reference model?

  A. 192.168.20.1
  B. 09-1B-02-1C-87
  C. 07-AB-02-1F-35-C8
  D. 172.16.10.12
  C. 07-AB-02-1F-35-C8

• Question 45:

  What is the result when two data transmissions are sent at the same time?

  A. A collision occurs and both devices stop transmission and back off.
  B. A collision occurs and one device retransmits.
  C. All traffic continues to transmit.
  D. A collision occurs and both devices resend transmissions.
  A. A collision occurs and both devices stop transmission and back off.

• Question 46:

  Which version of Cisco Nexus Operating System became a common operating system for Cisco Nexus switches and Cisco MDS storage switches?

  A. 2.7
  B. 3.3
  C. 3.9
  D. 4.1
  E. 5.01GD
  F. 6.2
  D. 4.1

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  "While many of the changes leading to convergence are product releases and features, others are more symbolic. One of these symbolic changes is the rebranding, of Cisco?MDS 9000 SAN-OS Software as Cisco MDS 9000 NX-OS? Software effective with Release 4.1." http://www.cisco.com/en/US/prod/collateral/ps4159/ps6409/ps5989/ps9898/Rebranding_M DS_9000.html

• Question 47:

  When connecting a switch port to a virtualization host requiring 802.1q VLAN tagging, which spanning-tree port type should be configured on the switch?

  A. normal
  B. edge
  C. edge trunk
  D. PortFast
  E. trunk
  C. edge trunk

• Question 48:

  Which two options represent a subnet mask that allows for a maximum of 14 available host addresses on a subnet? (Choose two.)

  A. 255.255.255.240
  B. 255.255.255.192
  C. 255.255.240.0
  D. 255.255.192.0
  E. /14
  F. /21
  G. /26
  H. /28
  A. 255.255.255.240
  H. /28

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  Example: Address: 192.168.1.1 Bitmask: 28 Netmask: 255.255.255.240 Network: 192.168.1.0 HostMin: 192.168.1.1 HostMax: 192.168.1.14 Broadcast: 192.168.1.15 Hosts: 16

• Question 49:

  Which two VTP modes allow the creation of local VLANs? (Choose two.)

  A. transparent
  B. native
  C. server
  D. client
  E. on
  A. transparent
  C. server

• Question 50:

  Which field in an Ethernet frame is used to verify that the received frame contains no errors?

  A. FCS
  B. type
  C. preamble
  D. segment
  E. protocol
  A. FCS