ACTUAL QUESTIONS AND CORRECT
ANSWERS
Which type of network is based on network clients sharing resources with one another? -
CORRECT ANSWER Peer-to-peer
Which of the following physical LAN topologies requires the most cabling? - CORRECT
ANSWER Star
Identify the four layers of the TCP/IP stack? - CORRECT ANSWER Network interface
layer
Transport layer
Internet layer
Application layer
Which of the following is a connectionless transport layer protocol? - CORRECT
ANSWER UDP
Which layer of the OSI reference model contains the MAC and LLC sublayers? - CORRECT
ANSWER Data link layer
Which of the following is an advantage of a peer-to-peer network, as compared with a
client/server network? - CORRECT ANSWER Less Expensive
A company has various locations in a city interconnected using Metro Ethernet connections.
This is an example of what type of network? - CORRECT ANSWER MAN
, IP addresses reside at which layer of the OSI reference model? - CORRECT
ANSWER Network layer
Identify the well-known UDP port number for NTP. - CORRECT ANSWER 123
What is the range of well-known TCP and UDP ports? - CORRECT ANSWER Below
1024
Which of the following is a device directly used by an end user to access a network? -
CORRECT ANSWER Client
Which protocol supports a secure connection to a remote host via terminal emulation
software? - CORRECT ANSWER SSH
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 approach to bandwidth usage consumes all of the available frequencies on a medium
to transmit data? - CORRECT ANSWER Baseband
Identify three email protocols. - CORRECT ANSWER IMAP4, POP3, SMTP
How many WAN links are required to create a full mesh of connections between five remote
sites? - CORRECT ANSWER 10
Windowing is provided at what layer of the OSI reference model? - CORRECT
ANSWER Transport layer
A network formed by interconnecting a PC to a digital camera via a USB cable is considered
what type of network? - CORRECT ANSWER PAN