Cisco 640-911 Online Practice Questions and Exam Preparation

Cisco 640-911 Online Questions & Answers

• Question 191:

  What is the most efficient Class C IP subnet that allows for at least 67 usable host addresses?

  A. 192.168.67.0 255.255.128.0
  B. 172.16.100.0 255.255.255.128
  C. 192.168.100.0 255.255.255.128
  D. 10.100.100.0 255.255.255.128
  E. 172.16.67.0 255.255.128.0
  F. 10.100.67.0 255.255.128.0
  C. 192.168.100.0 255.255.255.128

• Question 192:

  Which network device is used to identify and protect against unauthorized traffic and control access to legitimate business-critical data?

  A. Stateful firewall
  B. Stateless firewall
  C. Router
  D. Gateway
  E. Switch
  A. Stateful firewall

• Question 193:

  

  Refer to the exhibit. What will the two resulting tables be on R1 after traffic has successfully passed between Server-1 and PC-A? (Choose two.)

  A. The IP address and MAC of Server-1 will be associated with R1 interface Eth0.
  B. The IP address and MAC of PC-A will be associated with R1 interface Eth1.
  C. The IP address of Server-1 and MAC address of SW1 interface E1/1 will be associated with R1 interface Eth0.
  D. The IP address of PC-A and MAC address of SW2 interface E1/48 will be associated with R1 interface Eth1.
  E. The IP address of Server-1 and MAC address of SW1 interface E1/13 will be associated with R1 interface Eth0.
  F. The IP address of PC-A and MAC address of SW2 interface E1/9 will be associated with R1 interface Eth1.
  A. The IP address and MAC of Server-1 will be associated with R1 interface Eth0.
  B. The IP address and MAC of PC-A will be associated with R1 interface Eth1.

• Question 194:

  What TCP/IP layer would handle UDP traffic flows?

  A. internetwork
  B. network interface
  C. transport
  D. physical
  C. transport

• Question 195:

  Which two layers of the OSI model are combined in the Internet protocol suite application layer? (Choose two.)

  A. 2
  B. 3
  C. 4
  D. 5
  E. 6
  F. 7
  D. 5
  E. 6

  ---

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

• Question 196:

  What is the correct format of an access control list on a Cisco Nexus switch to deny hosts on the 172.16.1.0/21 network from accessing HTTP proxy servers listening on port 8080?

  A. N5K-A(config)# ip access-list 101N5K-A(config-acl)# deny tcp 172.16.1.0 0.0.7.255 any eq 8080N5K-A(config-acl)# permit ip any any
  B. N5K-A(config)# ip access-list 101N5K-A(config-acl)# deny tcp any 172.16.1.0 255.255.248.0 eq 8080N5K-A(config-acl)# permit ip any any
  C. N5K-A(config)#access-list 101 deny tcp172.16.1.0 0.0.15.255 eq 8080
  D. N5K-A(config)# ip access-list 101N5K-A(config-acl)# deny tcp any host 172.16.1.0/21 eq
  A. N5K-A(config)# ip access-list 101N5K-A(config-acl)# deny tcp 172.16.1.0 0.0.7.255 any eq 8080N5K-A(config-acl)# permit ip any any

• Question 197:

  Which action will a router take if it does not know the destination MAC address of a host?

  A. Flood the packet out of every port.
  B. Drop the packet.
  C. Send an ARP request.
  D. Send a proxy ARP request.
  E. Send an ICMP unreachable message back to the source.
  C. Send an ARP request.

• Question 198:

  What are two advantages of employing an external router for inter-VLAN routing over an IEEE 802.1Q trunk link? (Choose two.)

  A. Layer 3 functionality is not required on the switch.
  B. The router facilitates communication between VLANs.
  C. The single traffic path is optimized.
  D. Latency is reduced as packets leave the switch.
  E. Equal-Cost Multipath is supported.
  A. Layer 3 functionality is not required on the switch.
  B. The router facilitates communication between VLANs.

• Question 199:

  Which layer of the OSI model ensures that information sent from one system can be read by another system?

  A. application layer
  B. presentation layer
  C. session layer
  D. transport layer
  E. network layer
  F. data link layer
  G. physical layer
  B. presentation layer

• Question 200:

  Refer to the exhibit.

  

  Which two statements describe two characteristics of this design? (Choose two.)

  A. A single cable failure will not bring down the entire network.
  B. The network is a physical point-to-multipoint topology.
  C. The network is a physical mesh topology.
  D. A single cable failure will bring down the entire network.
  E. The network is a physical tree topology.
  A. A single cable failure will not bring down the entire network.
  B. The network is a physical point-to-multipoint topology.