CET 249 Midterm – Study Guide and Practice Questions for Certified Electronics Technician
Course Assessment
Which recent networking trend allows employees, students, teachers, customers, and partners
to instantly connect, interact, and achieve their objectives?
a.Online collaboration
b.Bring Your Own Device
c.Video communications
d.Cloud computing - correct answer ✔✔a. Online collaboration
What is the role of media in a network?
a.Media acts as an intermediary device.
b.Media defines the network topology.
c.Media provides the channel for message transmission from source to destination
d.Media determines the network addressing scheme. - correct answer ✔✔c. Media provides
the channel for message transmission from source to destination
What type of network allows devices to communicate over the same wiring used for electricity?
a.Powerline networking
b.Wireless network
c.Ethernet network
d.Fiber-optic network - correct answer ✔✔a.Powerline networking
What type of network diagram illustrates the physical location of intermediary devices and
cable installation?
a.Topology diagram
, b.Physical topology diagram
c.Logical topology diagram
d.Network infrastructure diagram - correct answer ✔✔b.Physical topology diagram
Which of the following is the most common threat to networks?
a.Users
b.Denial of service attacks
c.Viruses, worms, and Trojan horses
d.Data interception and theft - correct answer ✔✔a.Users
What is the primary purpose of a dedicated firewall system in network security?
a.Filtering network traffic
b.Ensuring data confidentiality
c.Protecting against viruses and malware
d.Controlling access to network resources - correct answer ✔✔a.Filtering network traffic
What type of network connects a few computers in a home to each other and to the internet?
a.Internet
b.Corporate network
c.Wide Area Network (WAN)
d.Small office/home office (SOHO) network - correct answer ✔✔d.Small office/home office
(SOHO) network
In a peer-to-peer network, who typically acts as both a server and a client?
a.End devices
b.Computers
Course Assessment
Which recent networking trend allows employees, students, teachers, customers, and partners
to instantly connect, interact, and achieve their objectives?
a.Online collaboration
b.Bring Your Own Device
c.Video communications
d.Cloud computing - correct answer ✔✔a. Online collaboration
What is the role of media in a network?
a.Media acts as an intermediary device.
b.Media defines the network topology.
c.Media provides the channel for message transmission from source to destination
d.Media determines the network addressing scheme. - correct answer ✔✔c. Media provides
the channel for message transmission from source to destination
What type of network allows devices to communicate over the same wiring used for electricity?
a.Powerline networking
b.Wireless network
c.Ethernet network
d.Fiber-optic network - correct answer ✔✔a.Powerline networking
What type of network diagram illustrates the physical location of intermediary devices and
cable installation?
a.Topology diagram
, b.Physical topology diagram
c.Logical topology diagram
d.Network infrastructure diagram - correct answer ✔✔b.Physical topology diagram
Which of the following is the most common threat to networks?
a.Users
b.Denial of service attacks
c.Viruses, worms, and Trojan horses
d.Data interception and theft - correct answer ✔✔a.Users
What is the primary purpose of a dedicated firewall system in network security?
a.Filtering network traffic
b.Ensuring data confidentiality
c.Protecting against viruses and malware
d.Controlling access to network resources - correct answer ✔✔a.Filtering network traffic
What type of network connects a few computers in a home to each other and to the internet?
a.Internet
b.Corporate network
c.Wide Area Network (WAN)
d.Small office/home office (SOHO) network - correct answer ✔✔d.Small office/home office
(SOHO) network
In a peer-to-peer network, who typically acts as both a server and a client?
a.End devices
b.Computers
