Network Security Essentials Exam
Guide with 100% Correct Solutions
DNS server - ANSWER Role is to resolve domain names to IP addresses
Ring topology - ANSWER Type of network topology that connects all devices in a ring
Data Link Layer - ANSWER Layer of the OSI model that handles error detection
and correction
Router - ANSWER Device commonly used to connect two different networks
netstat - ANSWER Command used to display active network connections on a
Windows computer
SFTP - ANSWER Protocol used to securely transfer files over the internet
HTTPS - ANSWER Default port for HTTPS traffic is 443
Microsoft PowerPoint - ANSWER Best suited Office 365 application for creating
presentations
Star topology - ANSWER Type of network that uses a central device to connect
all network devices
, Firewall - ANSWER Network security component that monitors and controls
incoming and outgoing network traffic
DHCP - ANSWER Acronym for Dynamic Host Configuration Protocol
ipconfig - ANSWER Command used to release and renew an IP address in Windows
SSH - ANSWER Protocol used for securely accessing a remote computer over a network
LAN - ANSWER Acronym for Local Area Network
Microsoft Access - ANSWER Office 365 application used for creating and managing
databases
Switch - ANSWER Type of network device that filters and forwards packets based
on MAC addresses
SMTP - ANSWER Protocol used to send email messages
OSI - ANSWER Acronym for Open Systems Interconnection
Telnet - ANSWER Default port is 23
DNS - ANSWER Protocol used to translate domain names into IP addresses
Repeater - ANSWER Type of device that amplifies and regenerates signals in a network
Guide with 100% Correct Solutions
DNS server - ANSWER Role is to resolve domain names to IP addresses
Ring topology - ANSWER Type of network topology that connects all devices in a ring
Data Link Layer - ANSWER Layer of the OSI model that handles error detection
and correction
Router - ANSWER Device commonly used to connect two different networks
netstat - ANSWER Command used to display active network connections on a
Windows computer
SFTP - ANSWER Protocol used to securely transfer files over the internet
HTTPS - ANSWER Default port for HTTPS traffic is 443
Microsoft PowerPoint - ANSWER Best suited Office 365 application for creating
presentations
Star topology - ANSWER Type of network that uses a central device to connect
all network devices
, Firewall - ANSWER Network security component that monitors and controls
incoming and outgoing network traffic
DHCP - ANSWER Acronym for Dynamic Host Configuration Protocol
ipconfig - ANSWER Command used to release and renew an IP address in Windows
SSH - ANSWER Protocol used for securely accessing a remote computer over a network
LAN - ANSWER Acronym for Local Area Network
Microsoft Access - ANSWER Office 365 application used for creating and managing
databases
Switch - ANSWER Type of network device that filters and forwards packets based
on MAC addresses
SMTP - ANSWER Protocol used to send email messages
OSI - ANSWER Acronym for Open Systems Interconnection
Telnet - ANSWER Default port is 23
DNS - ANSWER Protocol used to translate domain names into IP addresses
Repeater - ANSWER Type of device that amplifies and regenerates signals in a network
