midterm

Which of the following wireless standards is used for Personal Area Networks (PANs) and allows devices to communicate over distances of 1 to 100 meters?

• WiMAX

• Wi-Fi

• 
  Bluetooth

  
  

• Zigbee

When you type 'configure terminal' command you switch to this Cisco IOS mode.

• 
  Interface configuration mode

• Privileged EXEC

• Global configuration mode

• User ESEC mode

• Line configuration mode

Which switching method uses the CRC value in a frame?

• store-and-forward

  
  

• 
  fast-forward

• cut-through

• 
  fragment-free

Which statement correctly describes frame encoding?

• It uses the characteristic of one wave to modify another wave.

• It transmits data signals along with a clock signal which occurs at evenly spaced time durations.

• 
  It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits.

  
  

• 
  It generates the electrical, optical, or wireless signals that represent the binary numbers of the frame.

Which is the decimal equivalent of A9?

• 169

• 171

• 168

• 170

A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

• 
  the amount of traffic that is currently crossing the network

  
  

• the type of traffic that is crossing the network

  
  

• 
  the bandwidth of the WAN connection to the Internet

• 
  the reliability of the gigabit Ethernet infrastructure of the backbone

• the latency that is created by the number of network devices that the data is crossing

  
  

ICANN stands for

• Industrial Corporation for Assigned Names and Numbers

• International Corporation for Assigned Names and Numbers

• 
  Internet Corporation for Assigned Names and Numbers

  
  

• 
  Interconnected Corporation for Assigned Names and Numbers

PDU at the Data Link layer is called?

• Frame

  
  

• Packet

• 
  Segment

• Bits

The logical address of the sending device

• 
  Source IP address

• 
  Destination data link address

• Source data link address

• Destination IP address

What OSI physical layer term describes the physical medium for microwave transmissions?

• 
  air

  
  

• goodput

• throughput