Exam Questions and CORRECT Answers
Desktop computers are connected to the building backbone in the wiring closet. What is another
name for this wiring closet? - CORRECT ANSWER - Intermediate distribution frame
(IDF)
802.3-1983 - CORRECT ANSWER - 10Base5
802.3a-1985 - CORRECT ANSWER - 10Base2
802.3i-1990 - CORRECT ANSWER - 10Base-T
802.3j-1993 - CORRECT ANSWER - 10Base-F
802.3af-2003 - CORRECT ANSWER - PoE
Most modern networks follow the 802.3 standard. This standard offers technical solutions to
business needs. One business need is to connect client workstations to servers. Which technical
solution does 802.3 offer for this business? - CORRECT ANSWER - Create a star-wired
network using switches
Ethernet started with a bus topology. Computers in Ethernet use shared media and therefore need
an access control system to allow them to share this media. Which system does Ethernet use for
access control of shared media? - CORRECT ANSWER - Carrier Sense Multiple Access
Collision Detection (CSMA/CD)
Legacy networks contained hubs and bridges. Most modern networks use switches and routers
but not hubs and bridges. Why have bridges been removed from modern networks? - CORRECT
ANSWER - Bridges were phased out because they are not needed to divide collision
domains in modern networks; switches perform this task.
, Computer networks provide critical functions for organizations. This means that network
resiliency is very important. How can a network architect build resiliency into a network? -
CORRECT ANSWER - Running servers with dual Network Interface Cards (NIC) can
provide resiliency.
Connection-oriented - CORRECT ANSWER - Normal discussion between two people
User Datagram Protocol (UDP) - CORRECT ANSWER - Connectionless
Transmission Control Protocol (TCP) - CORRECT ANSWER - Connection-oriented
Internet Protocol (IP) - CORRECT ANSWER - Connectionless
IPv4 - CORRECT ANSWER - Broadcast queries
IPv6 - CORRECT ANSWER - Neighbor Discovery Protocol (NDP)
IPv4 - CORRECT ANSWER - Address Resolution Protocol (ARP)
IPv4 - CORRECT ANSWER - Allows broadcast messages
IPv6 - CORRECT ANSWER - Has built-in network security
IPv6 - CORRECT ANSWER - Makes assigning addresses easier
IPv4 - CORRECT ANSWER - Uses Network Address Translation (NAT)