Cisco 640-911 Online Practice Questions and Exam Preparation

Cisco 640-911 Online Questions & Answers

• Question 131:

  What is the correct format of an access control list on a Cisco Nexus switch to only permit unencrypted Web traffic from the 172.16.1.0/25 network to destination host 10.10.1.110?

  A. N5K-A(config)# ip access-list 101N5K-A(config-acl)# permit tcp host 172.16.1.0/25 any eq 80
  B. N5K-A(config)# ip access-list 101N5K-A(config-acl)# permit tcp 172.16.1.0 255.255.255.128 any eq 80
  C. N5K-A(config)# ip access-list 101N5K-A(config-acl)# permit tcp 172.16.1.0/25 any eq 80
  D. N5K-A(config)#access-list 101 permit tcp 172.16.1.0/25 0.0.0.128 eq 80
  E. N5K-A(config)# ip access-list 101N5K-A(config-acl)# permit tcp any 172.16.1.0 255.255.248.0 eq 80
  C. N5K-A(config)# ip access-list 101N5K-A(config-acl)# permit tcp 172.16.1.0/25 any eq 80

• Question 132:

  If a Nexus switch receives a frame and does not have an entry in its MAC table for the source, which action will take place?

  A. The frame will be dropped.
  B. The frame will be flooded.
  C. The sender will be notified.
  D. The source address will be learned.
  D. The source address will be learned.

• Question 133:

  Given a subnet address of 10.6.128.0/22, how many IP addresses are usable for this subnet?

  A. 1024
  B. 2048
  C. 1022
  D. 2046
  E. 256
  C. 1022

• Question 134:

  Which three options represent a subnet mask that allows for 60 host addresses on a subnet? (Choose three.)

  A. /25
  B. 255.255.255.192
  C. /26
  D. 255.255.255.240
  E. 255.255.255.248
  F. /28
  G. /30
  A. /25
  B. 255.255.255.192
  C. /26

• Question 135:

  Which two statements describe two benefits of a star topology compared to a mesh topology? (Choose two.)

  A. New stations can be added quickly and easily.
  B. Troubleshooting connectivity is easier.
  C. There is not a single point of failure.
  D. A single cable failure will not bring down the entire network.
  E. It has the absolute least likelihood of having a collision
  A. New stations can be added quickly and easily.
  B. Troubleshooting connectivity is easier.

• Question 136:

  When deploying 10BASE-2 Ethernet, which type of connector is used?

  A. AUI
  B. UTP
  C. STP
  D. BNC
  E. RJ-11
  F. RJ-45
  G. ST
  H. DC
  D. BNC

  ---

  "10BASE2 (also known as cheapernet, thin Ethernet, thinnet, and thinwire) is a variant of Ethernet that uses thin coaxial cable (RG-58A/U or similar, as opposed to the thicker RG-8 cable used in 10BASE5 networks), terminated with BNC connectors" http://en.wikipedia.org/wiki/10BASE2

• Question 137:

  Which layer of the OSI model is associated with the reliable transmission of datagrams?

  A. Datagram
  B. Routing
  C. Network
  D. Data link
  E. Transport
  F. Transmission
  G. Session
  E. Transport

  ---

  http://en.wikipedia.org/wiki/Transport_layer

• Question 138:

  Which four statements indicate unique properties of VLAN 1 on Cisco Nexus switches? (Choose four.)

  A. VLAN 1 is used to flood multicast traffic.
  B. VLAN 1 cannot be deleted.
  C. VLAN 1 is used for Cisco Discovery Protocol.
  D. VLAN 1 is used for VTP advertisements.
  E. VLAN 1 defines a collision domain.
  F. VLAN 1 defines a broadcast domain.
  B. VLAN 1 cannot be deleted.
  C. VLAN 1 is used for Cisco Discovery Protocol.
  D. VLAN 1 is used for VTP advertisements.
  F. VLAN 1 defines a broadcast domain.

  ---

  http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx- os/layer2/configuration/guide/Cisco_Nexus_7000_Series_NX- S_Layer_2_Switching_Configuration_Guide_Release_5.x_chapter4.html

• Question 139:

  Which device forwards data based on the destination IP address?

  A. repeater
  B. bridge
  C. switch
  D. router
  E. hub
  D. router

• Question 140:

  What are two default user roles in Cisco Nexus Operating System? (Choose two.)

  A. Admin
  B. Network Operator
  C. Operator
  D. Storage Operator
  E. Root
  F. System Manager
  A. Admin
  B. Network Operator

  ---

  "The Nexus 5000 Series switch provides the following default user roles:

  etwork-admin (superuser)--Complete read and write access to the entire Nexus 5000 Series switch. etwork-operator--Complete read access to the Nexus 5000 Series switch." http://www.cisco.com/en/US/docs/switches/datacenter/

  nexus5000/sw/configuration/ guide/cl i_rel_4_0_1a/sec_rbac.html#wp1230629