wgu C172 Network and Security - Foundations final objective assessment (A+ grade questions and answers)

WGU C172 NETWORK AND SECURITY – FOUNDATIONS FINAL
OBJECTIVE ASSESSMENT 2022/2023
1. Which OSI(Open Systems Interconnection model) layer is related to the
function of the IP protocol suite?: Network
2. Which OSI(Open Systems Interconnection model) layer is responsible for
organizing how bits are passed over the physical layer between devices
within the same collision domain?: Data link
3. Which OSI(Open Systems Interconnection model) layer would define the
scope of a protocol that makes sure packets of data are received correctly
and resends them if they are not?: Transport
4. Which protocol suite performs functions of OSI(Open Systems Intercon-
nection model) layer 4?: TCP(Transmission Control Protocol)
5. Which type of Ethernet cable can maintain 10Gbps transmission speeds
through the course of its maximum 100-meter length?: CAT 6a
6. Which Internet access technology uses ordinary telephone wires for data
transmission?: DSL(Digital Subscriber Line)
7. Which device is used to organize network cables as they run between
switches and other network devices?: Patch panel
8. Which network device is used to connect two or more network segments
by performing OSI layer 3 functions like packet-forwarding?: Router
9. Which network device is used to convert between digital information from
a LAN and analog signals for
transmission over a standard telephone wire?: Modem
10. Which device could be used to send commands to the mainframe for
remote execution in early mainframe
installations?: Dumb terminals
11. Which device is responsible for implementing network address transla-
tion (NAT)?: Router
12. Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132: nslookup
13. Which command should be used to manually enter the default gateway
for a computer?: route
14. Which network diagnostic tool displays the path packets take between
two endpoints?: raceroute
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, WGU C172 NETWORK AND SECURITY – FOUNDATIONS FINAL
OBJECTIVE ASSESSMENT 2022/2023
15. Which network type is used to wire multiple PCs to a home router?: -
LAN(Local Area Network)
16. An office's infrastructure connects network devices and printers through
a central access point without the use of cabling.

Which network type does this office use?: WLAN(Wireless Local Area Network)
17. What type of medium is commonly used within a 1000 Mbps Ethernet
network?: CAT5e
18. Which network topology is shown in the following diagram?: Full mesh




19. Which networking standard uses UTP(Unshielded Twisted Pair) cable and
CSMA/CD(Carrier-sense multiple access with collision detection) to manage
connected devices' access to the wire?: Ethernet
20. Which network topology is being implemented when each node connects
to exactly two other nodes,
forming a single continuous pathway for signals through each node?: Ring
21. In which physical LAN topology are nodes connected to each other with
a backbone cable that loops
around and ends at the same point it started?: Ring
22. Which OSI(Open Systems Interconnection) layer ensures error-free pack-
ets?: Transport
23. Which topology uses a switch or hub to connect to all devices in the same
network?: Star
24. Which cloud service provides hardware, operating systems, and web
servers but not end-user
applications?: PaaS (Platform-as-a-service)
25. Which cloud model provides an exclusive cloud computing service envi-
ronment that is shared between
two or more organizations?: Community
26. Which type of software is used to provide virtualization?: Hypervisor


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