ACTUAL QUESTIONS AND CORRECT
ANSWERS
Which of the following provides the media (wired or wireless) to facilitate the transfer of
data? - CORRECT ANSWER LAN
Which device makes traffic-forwarding decisions based on MAC addresses? - CORRECT
ANSWER Switch
A company has various locations in a city interconnected using Metro Ether- net connections.
This is an example of what type of network. - CORRECT ANSWER MAN
A network formed by interconnecting a PC to a digital camera via a USB cable is considered
what type of network? - CORRECT ANSWER PAN
Which of the following physical LAN topologies requires the most cabling? - CORRECT
ANSWER Star
Which of the following topologies offers the highest level of redundancy? - CORRECT
ANSWER Full mesh
How many WAN links are required to create a full mesh of connections between five remote
sites? - CORRECT ANSWER 10
Identify two advantages of a hub-and-spoke WAN topology as compared to a full-mesh WAN
topology. - CORRECT ANSWER Lower cost
More scalable
Which type of network is based on network clients sharing resources with one another? -
CORRECT ANSWER Peer-to-peer
, Which of the following is an advantage of a peer-to-peer network, as com- pared with a
client/server network? - CORRECT ANSWER Less expensive
What type of wireless topology features the use of access points to facilitate network
communications? - CORRECT ANSWER Infrastructure
What network type would help facilitate communications when large video or audio files
need to be housed and transferred through the network? - CORRECT ANSWER SAN
Which layer of the OSI reference model contains the MAC and LLC sublayers? - CORRECT
ANSWER Data link layer
Which approach to bandwidth usage consumes all the available frequencies on a medium to
transmit data? - CORRECT ANSWER Baseband
Windowing is provided at what layer of the OSI reference model? - CORRECT
ANSWER Transport layer
IP addresses reside at which layer of the OSI reference model? - CORRECT
ANSWER Network layer
Which of the following is a connectionless transport layer protocol - CORRECT
ANSWER UDP
Identify the four layers of the TCP/IP stack. (Choose four.) - CORRECT
ANSWER Transport layer
Internet layer
Application layer
Network interface layer