Security Foundations - D481 Exam
2025 Questions and Answers
Desktop computers are connected to the building backbone in the wiring closet. What
is another name for this wiring closet? - ANSWER✔✔-Intermediate distribution frame
(IDF)
802.3-1983 - ANSWER✔✔-10Base5
802.3a-1985 - ANSWER✔✔-10Base2
802.3i-1990 - ANSWER✔✔-10Base-T
802.3j-1993 - ANSWER✔✔-10Base-F
802.3af-2003 - 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? - 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? - 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? - 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? - ANSWER✔✔-Running servers with dual Network Interface Cards (NIC)
can provide resiliency.
Connection-oriented - ANSWER✔✔-Normal discussion between two people
User Datagram Protocol (UDP) - ANSWER✔✔-Connectionless
Transmission Control Protocol (TCP) - ANSWER✔✔-Connection-oriented
Internet Protocol (IP) - ANSWER✔✔-Connectionless
IPv4 - ANSWER✔✔-Broadcast queries
IPv6 - ANSWER✔✔-Neighbor Discovery Protocol (NDP)
2025 Questions and Answers
Desktop computers are connected to the building backbone in the wiring closet. What
is another name for this wiring closet? - ANSWER✔✔-Intermediate distribution frame
(IDF)
802.3-1983 - ANSWER✔✔-10Base5
802.3a-1985 - ANSWER✔✔-10Base2
802.3i-1990 - ANSWER✔✔-10Base-T
802.3j-1993 - ANSWER✔✔-10Base-F
802.3af-2003 - 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? - 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? - 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? - 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? - ANSWER✔✔-Running servers with dual Network Interface Cards (NIC)
can provide resiliency.
Connection-oriented - ANSWER✔✔-Normal discussion between two people
User Datagram Protocol (UDP) - ANSWER✔✔-Connectionless
Transmission Control Protocol (TCP) - ANSWER✔✔-Connection-oriented
Internet Protocol (IP) - ANSWER✔✔-Connectionless
IPv4 - ANSWER✔✔-Broadcast queries
IPv6 - ANSWER✔✔-Neighbor Discovery Protocol (NDP)
