NWC203c_part4

What are two sources of electromagnetic interference that can affect data transmissions? (Choose two.)

• fluorescent light fixture

• LED monitor

• corded telephone

• infrared remote control

• microwave oven

What is the purpose of an IP address?

• 
  It identifies the physical location of a data center.

• It identifies a location in memory from which a program runs.

• It identifies a return address for replying to email messages.

• It identifies the source and destination of data packets on a network.

What type of network is defined by two computers that can both send and receive requests for resources?

• client/server

• peer-to-peer

• enterprise

• campus

Which statement describes the ping and tracert commands?

• Tracert shows each hop, while ping shows a destination reply only.

• Tracert uses IP addresses; ping does not.

• Both ping and Tracert can show results in a graphical display.

• ping shows whether the transmission is successful; Tracert does not.

What is an advantage of the peer-to-peer network model?

• scalability

• high level of security

• ease of setup

• centralized

• administration

Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?

• TCP/IP model
  

• protocol model

• reference model

• hierarchical design model

Which three elements do all communication methods have in common? (Choose three.)

• transmission medium

• message type

• message source

• message destination

• message data

Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)

• application
  presentation
  session

• transport

• data link

• network

Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)

• pointphysical layer

• transport layer

• data link layer

• session layer

Which term refers to the set of rules that define how a network operates?

• model

• standard

• protocol

• domain