C172 WGU Set Questions and Answers Exam
Deals with all the pieces of info that are added to your application such as
Hypertext Transfer protocol, or HTTP for a web browser, SMTP, simple mail
transfer protocol, and the domain name system (DNS) - ✔ Application layer
TCP/IP model
Which layer of the OSI model does a bridge use to make decisions about
forwarding data packets? - ✔ Data Link
Which layer of the OSI model establishes, manages, and terminates
connections? - ✔ Session
Which transmission control protocol/internet protocol (TCP/IP) layer performs
addressing and routing? - ✔ Network
Which device is used to connect host devices within a local area network - ✔
Switch
Which device operates at layer 2 of the OSI model? - ✔ Switch
Which device operates at layer 3 of the OSI model? - ✔ Router
Which device is used to connect host devices within a local area network? - ✔
Switch
Necessary for sending and receiving data - ✔ Modem
point of connection between two or more networks that forward data packets
between the networks - ✔ Router
used to connect devices within a specific network, and allows them to
communicate efficiently within a network
can add security measures - ✔ switch
similiar to a router, connects two or more networks
forwards data to the next network without analysis - ✔ bridge
used to strenghten, replicate, and regenerate signals that are weakened
ex: wifi dead zones in a house - ✔ repeater
connects router to the network, takes data packets from router, and sends to
all devices connected on a network
USB hub for example - ✔ hub
OSI Network Layer 3 - ✔ Switch
OSI Network Layer 3 - ✔ Router
,OSI Data Link Layer 2 - ✔ Modem
OSI Data Link Layer 2 - ✔ Switch
OSI Data Link Layer 2 - ✔ Bridge
OSI Physical Layer 1 - ✔ Modem
OSI Physical Layer 1 - ✔ Hub
OSI Physical Layer 1 - ✔ Repeater
ethernet cable that can maintain 10GBps transmission speeds through the
course of its maximum 100-meter length - ✔ CAT 6a
is a device used to organize network cables as they run between switches and
other network devices. - ✔ patch panel
The ethernet uses UTP cable and CSMA/CD to manage connected devices'
access to the wire. - ✔ 802.11x uses CSMA/CA
Which type of Ethernet cable can maintain 10Gbps transmission speeds
through the course of its maximum 100-meter length - ✔ CAT 6a
Which Internet access technology uses ordinary telephone wires for data
transmission? - ✔ DSL
Which device is used to organize network cables as they run between
switches and other network devices? - ✔ Patch panel
Which network device is used to connect two or more network segments by
performing OSI layer 3 functions like packet-forwarding? - ✔ Router
Which network device is used to convert between digital information from a
LAN and analog signals for transmission over a standard telephone wire? - ✔
Modem
Which device could be used to send commands to the mainframe for remote
execution in early mainframe installations? - ✔ Dumb terminals
Which device is responsible for implementing network address translation
(NAT)? - ✔ Router
Which OSI layer is related to the function of the IP protocol suite? - ✔
Network
, Which OSI layer is responsible for organizing how bits are passed over the
physical layer between devices within the same collision domain? - ✔ Data
link
Which OSI 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
Which protocol suite performs functions of OSI layer 4? - ✔ TCP
Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132 - ✔ nslookup
Which command should be used to manually enter the default gateway for a
computer? - ✔ route
Which network diagnostic tool displays the path packets take between two
endpoints? - ✔ traceroute
Which network type is used to wire multiple PCs to a home router? - ✔ LAN
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
What type of medium is commonly used within a 1000 Mbps Ethernet
network? - ✔ CAT5e
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
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
Which cloud service provides hardware, operating systems, and web servers
but not end-user applications? - ✔ IaaS
Which cloud model provides an exclusive cloud computing service
environment that is shared between two or more organizations? - ✔ Which
cloud model provides an exclusive cloud computing service environment that
is shared between two or more organizations?
Which type of software is used to provide virtualization? - ✔ Hypervisor
Deals with all the pieces of info that are added to your application such as
Hypertext Transfer protocol, or HTTP for a web browser, SMTP, simple mail
transfer protocol, and the domain name system (DNS) - ✔ Application layer
TCP/IP model
Which layer of the OSI model does a bridge use to make decisions about
forwarding data packets? - ✔ Data Link
Which layer of the OSI model establishes, manages, and terminates
connections? - ✔ Session
Which transmission control protocol/internet protocol (TCP/IP) layer performs
addressing and routing? - ✔ Network
Which device is used to connect host devices within a local area network - ✔
Switch
Which device operates at layer 2 of the OSI model? - ✔ Switch
Which device operates at layer 3 of the OSI model? - ✔ Router
Which device is used to connect host devices within a local area network? - ✔
Switch
Necessary for sending and receiving data - ✔ Modem
point of connection between two or more networks that forward data packets
between the networks - ✔ Router
used to connect devices within a specific network, and allows them to
communicate efficiently within a network
can add security measures - ✔ switch
similiar to a router, connects two or more networks
forwards data to the next network without analysis - ✔ bridge
used to strenghten, replicate, and regenerate signals that are weakened
ex: wifi dead zones in a house - ✔ repeater
connects router to the network, takes data packets from router, and sends to
all devices connected on a network
USB hub for example - ✔ hub
OSI Network Layer 3 - ✔ Switch
OSI Network Layer 3 - ✔ Router
,OSI Data Link Layer 2 - ✔ Modem
OSI Data Link Layer 2 - ✔ Switch
OSI Data Link Layer 2 - ✔ Bridge
OSI Physical Layer 1 - ✔ Modem
OSI Physical Layer 1 - ✔ Hub
OSI Physical Layer 1 - ✔ Repeater
ethernet cable that can maintain 10GBps transmission speeds through the
course of its maximum 100-meter length - ✔ CAT 6a
is a device used to organize network cables as they run between switches and
other network devices. - ✔ patch panel
The ethernet uses UTP cable and CSMA/CD to manage connected devices'
access to the wire. - ✔ 802.11x uses CSMA/CA
Which type of Ethernet cable can maintain 10Gbps transmission speeds
through the course of its maximum 100-meter length - ✔ CAT 6a
Which Internet access technology uses ordinary telephone wires for data
transmission? - ✔ DSL
Which device is used to organize network cables as they run between
switches and other network devices? - ✔ Patch panel
Which network device is used to connect two or more network segments by
performing OSI layer 3 functions like packet-forwarding? - ✔ Router
Which network device is used to convert between digital information from a
LAN and analog signals for transmission over a standard telephone wire? - ✔
Modem
Which device could be used to send commands to the mainframe for remote
execution in early mainframe installations? - ✔ Dumb terminals
Which device is responsible for implementing network address translation
(NAT)? - ✔ Router
Which OSI layer is related to the function of the IP protocol suite? - ✔
Network
, Which OSI layer is responsible for organizing how bits are passed over the
physical layer between devices within the same collision domain? - ✔ Data
link
Which OSI 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
Which protocol suite performs functions of OSI layer 4? - ✔ TCP
Which command produces the following output?
Non-authoritative answer:
Name: www.google.com
Address: 172.217.11.132 - ✔ nslookup
Which command should be used to manually enter the default gateway for a
computer? - ✔ route
Which network diagnostic tool displays the path packets take between two
endpoints? - ✔ traceroute
Which network type is used to wire multiple PCs to a home router? - ✔ LAN
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
What type of medium is commonly used within a 1000 Mbps Ethernet
network? - ✔ CAT5e
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
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
Which cloud service provides hardware, operating systems, and web servers
but not end-user applications? - ✔ IaaS
Which cloud model provides an exclusive cloud computing service
environment that is shared between two or more organizations? - ✔ Which
cloud model provides an exclusive cloud computing service environment that
is shared between two or more organizations?
Which type of software is used to provide virtualization? - ✔ Hypervisor
