WGU D325 NETWORKS LESSON 1.1.8
REVIEW| PA| PRE-ASSESSMENT |EXAM
QUESTIONS AND ANSWERS | GRADED
A+|| LATEST UPDATE 2026
Small form factor pluggable + (SFP+)
Data rates of up to 10 Gbps.
File Transfer Protocol (FTP)
Transfers files
Port 20/21
Quad Small Form Factor Pluggable (QSFP)
Fiber optic transceiver module type
Four individual duplex lanes at 1 Gbps (QSFP)
10 Gbps (QSFP+) combines into a single 4 Gbps or 40 Gbps channel.
Secure Shell (SSH)
Protocol for secure transfer of data between computers
Port 22
Quad Small Form Factor Pluggable Plus (QSFP+)
,Faster QSFP
Up to 41.2 Gbps
Secure File Transfer Protocol (SFTP)
FTP over an SSH channel
Port 22
Subscriber connector (SC)
Fiber-optic cable connector that snaps and locks into place
Square Connector = "Stick & Click"
Telnet
unsecured remote service
Port 23
Local Connector (LC)
Fiber-optic cable connector that corresponds to the mini form-factor standard
"little connector" or "love connector" with transmit and receive ends paired together
Simple Mail Transfer Protocol (SMTP)
Sending mail to other mail servers
Port 25
,Straight Tip Connector (ST)
Bayonet connector - "stick and twist"
Domain Name System (DNS)
Translates domain names to IP addresseses
Port 53
Multi-fiber push on (MPO)
multiple fibers in a single connector
Dynamic Host Configuration Protocol (DHCP)
Assigns IPs to hosts
Port 67/68
RJ11
A connector that supports two pairs of wires (four total)
Trivial File Transfer Protocol (TFTP)
Very small transfer (ie. VOIP phone setup)
Port 69
RJ45
A common connector or plug used on the end of the network cable.
Hypertext Transfer Protocol (HTTP)
, Protocol used for transmitting web pages over the Internet
Port 80
F-Connector (Coaxial)
Typically used for cable TV and cable modem connections
Hypertext Transfer Protocol Secure (HTTPS)
secure web traffic protocol
Uses TLS or SSL - Port 443
BNC connector (Bayonet Neill-Concelman)
Coax connector with a secure bayonet locking mechanism used in video and RF
applications
Used with RG-6 or RG-59 coaxial cables
"Push and twist" style connector
Network Time Protocol (NTP)
Syncs clocks across the network
Port 123
568B
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
REVIEW| PA| PRE-ASSESSMENT |EXAM
QUESTIONS AND ANSWERS | GRADED
A+|| LATEST UPDATE 2026
Small form factor pluggable + (SFP+)
Data rates of up to 10 Gbps.
File Transfer Protocol (FTP)
Transfers files
Port 20/21
Quad Small Form Factor Pluggable (QSFP)
Fiber optic transceiver module type
Four individual duplex lanes at 1 Gbps (QSFP)
10 Gbps (QSFP+) combines into a single 4 Gbps or 40 Gbps channel.
Secure Shell (SSH)
Protocol for secure transfer of data between computers
Port 22
Quad Small Form Factor Pluggable Plus (QSFP+)
,Faster QSFP
Up to 41.2 Gbps
Secure File Transfer Protocol (SFTP)
FTP over an SSH channel
Port 22
Subscriber connector (SC)
Fiber-optic cable connector that snaps and locks into place
Square Connector = "Stick & Click"
Telnet
unsecured remote service
Port 23
Local Connector (LC)
Fiber-optic cable connector that corresponds to the mini form-factor standard
"little connector" or "love connector" with transmit and receive ends paired together
Simple Mail Transfer Protocol (SMTP)
Sending mail to other mail servers
Port 25
,Straight Tip Connector (ST)
Bayonet connector - "stick and twist"
Domain Name System (DNS)
Translates domain names to IP addresseses
Port 53
Multi-fiber push on (MPO)
multiple fibers in a single connector
Dynamic Host Configuration Protocol (DHCP)
Assigns IPs to hosts
Port 67/68
RJ11
A connector that supports two pairs of wires (four total)
Trivial File Transfer Protocol (TFTP)
Very small transfer (ie. VOIP phone setup)
Port 69
RJ45
A common connector or plug used on the end of the network cable.
Hypertext Transfer Protocol (HTTP)
, Protocol used for transmitting web pages over the Internet
Port 80
F-Connector (Coaxial)
Typically used for cable TV and cable modem connections
Hypertext Transfer Protocol Secure (HTTPS)
secure web traffic protocol
Uses TLS or SSL - Port 443
BNC connector (Bayonet Neill-Concelman)
Coax connector with a secure bayonet locking mechanism used in video and RF
applications
Used with RG-6 or RG-59 coaxial cables
"Push and twist" style connector
Network Time Protocol (NTP)
Syncs clocks across the network
Port 123
568B
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
