Certiport Exam Study Guide Questions With
Complete Solutions
What are the bits for MAC, IPv4, and IPv6 address? - CORRECT ANSWER
-MAC/HW/physical address = 48bits
-Logical address IPv4 = 32 bits
-IPv6 = 128bits
What is a IoT? - CORRECT ANSWER Internet of Things - all devices connected to the
Internet
What is an Extranet? - CORRECT ANSWER a network that allows connected access
for specific business or educational purposes.
What is an Intranet? - CORRECT ANSWER a network that allows access only to users
within an organization
What is the Internet? - CORRECT ANSWER A system of interconnected networks
What is a VPN (Virtual Private Network)? - CORRECT ANSWER Network Service to
encrypt and secure a connection to company LAN through the public Internet
What are the Network size comparison from smallest to largest? - CORRECT ANSWER
-PAN (Personal Area Network)
-HAN (Home Area Network)
-LAN (Local Area Network)
-CAN (Campus Area Network)
-MAN (Municipal Area Network)
-WAN (Wide Area Network)
What a Unicast? - CORRECT ANSWER 1 to 1 communications
What is a Multicast? - CORRECT ANSWER 1 to many communications
What is a Broadcast? - CORRECT ANSWER 1 to all communications
What is the Perimeter Network/DMZ? - CORRECT ANSWER -Protects private network
(Internal LAN) from the Internet
-Web Server should be placed in the Perimeter network
What is the wireless standards speed/strength? - CORRECT ANSWER 802.11a -
54Mbps/ 5.0Ghz
802.11b - 11Mbps/ 2.4Ghz
802.11g - 54Mbps/2.4Ghz
802.11n - 600Mbps/ 2.4Ghz and 5.0Ghz MIMO (Multiple Input Multiple Output)
, 802.11ac - 6Gbps/ 2.4Ghz & 5.0Ghz with 5.0A/5.0B Triband MU-MIMO (Multiple Users-
Multiple Input Multiple Output)
WAN Technologies - CORRECT ANSWER Circuit switching
What is CSMA/CA ? - CORRECT ANSWER Carrier Sense Multiple Access/Collision
Avoidance
-Security is a concern wireless networks because of the radio broadcast access method
(CSMA/CA)
What is a MU-MIMO (Multiple Users - Multiple Input Multiple Output)? - CORRECT
ANSWER Allows a WiFi router to Communicate w/ multiple devices simultaneously (no
waiting and this is faster).
What is SSID (Service Set Identifier)? - CORRECT ANSWER Access Point Broadcast
ID for Wireless
What is a 2.4GHZ frequency? - CORRECT ANSWER A wireless Frequency. Affected
by cordless phones, microwaves, fluorescent lights
What is the 802.11n wireless standard? - CORRECT ANSWER Uses dual antennas,
MIMO, channel bonding, frame aggregation
What are the types of wireless security? - CORRECT ANSWER WEP: Weak and
susceptible to hacks - Not encrypted
WPA: Stronger
WPA2= WPA2-PSK: WPA2-PSK (Pre-shared key) Strongest and recommended
WPA/WPA2 Enterprise: Uses a RADIUS Server for companies
802.1x: Uses security certificates
What are physical and logical setup for the Ring topology? - CORRECT ANSWER -
Each host is connected by exactly 1 cable
-Each workstation or node is a repeater
-Each computer is connected to 2 others
-Uses a token passing access method
What are physical and logical setup for the Star topology? - CORRECT ANSWER -
There is one central device
-One point of failure
What are physical and logical setup for the Mesh topology? - CORRECT ANSWER -
Each computer is connected to all others
-Each node connects to every other node
-Offers full redundancy with multiple connections between nodes
-Physical topology on which the public Internet is based
Complete Solutions
What are the bits for MAC, IPv4, and IPv6 address? - CORRECT ANSWER
-MAC/HW/physical address = 48bits
-Logical address IPv4 = 32 bits
-IPv6 = 128bits
What is a IoT? - CORRECT ANSWER Internet of Things - all devices connected to the
Internet
What is an Extranet? - CORRECT ANSWER a network that allows connected access
for specific business or educational purposes.
What is an Intranet? - CORRECT ANSWER a network that allows access only to users
within an organization
What is the Internet? - CORRECT ANSWER A system of interconnected networks
What is a VPN (Virtual Private Network)? - CORRECT ANSWER Network Service to
encrypt and secure a connection to company LAN through the public Internet
What are the Network size comparison from smallest to largest? - CORRECT ANSWER
-PAN (Personal Area Network)
-HAN (Home Area Network)
-LAN (Local Area Network)
-CAN (Campus Area Network)
-MAN (Municipal Area Network)
-WAN (Wide Area Network)
What a Unicast? - CORRECT ANSWER 1 to 1 communications
What is a Multicast? - CORRECT ANSWER 1 to many communications
What is a Broadcast? - CORRECT ANSWER 1 to all communications
What is the Perimeter Network/DMZ? - CORRECT ANSWER -Protects private network
(Internal LAN) from the Internet
-Web Server should be placed in the Perimeter network
What is the wireless standards speed/strength? - CORRECT ANSWER 802.11a -
54Mbps/ 5.0Ghz
802.11b - 11Mbps/ 2.4Ghz
802.11g - 54Mbps/2.4Ghz
802.11n - 600Mbps/ 2.4Ghz and 5.0Ghz MIMO (Multiple Input Multiple Output)
, 802.11ac - 6Gbps/ 2.4Ghz & 5.0Ghz with 5.0A/5.0B Triband MU-MIMO (Multiple Users-
Multiple Input Multiple Output)
WAN Technologies - CORRECT ANSWER Circuit switching
What is CSMA/CA ? - CORRECT ANSWER Carrier Sense Multiple Access/Collision
Avoidance
-Security is a concern wireless networks because of the radio broadcast access method
(CSMA/CA)
What is a MU-MIMO (Multiple Users - Multiple Input Multiple Output)? - CORRECT
ANSWER Allows a WiFi router to Communicate w/ multiple devices simultaneously (no
waiting and this is faster).
What is SSID (Service Set Identifier)? - CORRECT ANSWER Access Point Broadcast
ID for Wireless
What is a 2.4GHZ frequency? - CORRECT ANSWER A wireless Frequency. Affected
by cordless phones, microwaves, fluorescent lights
What is the 802.11n wireless standard? - CORRECT ANSWER Uses dual antennas,
MIMO, channel bonding, frame aggregation
What are the types of wireless security? - CORRECT ANSWER WEP: Weak and
susceptible to hacks - Not encrypted
WPA: Stronger
WPA2= WPA2-PSK: WPA2-PSK (Pre-shared key) Strongest and recommended
WPA/WPA2 Enterprise: Uses a RADIUS Server for companies
802.1x: Uses security certificates
What are physical and logical setup for the Ring topology? - CORRECT ANSWER -
Each host is connected by exactly 1 cable
-Each workstation or node is a repeater
-Each computer is connected to 2 others
-Uses a token passing access method
What are physical and logical setup for the Star topology? - CORRECT ANSWER -
There is one central device
-One point of failure
What are physical and logical setup for the Mesh topology? - CORRECT ANSWER -
Each computer is connected to all others
-Each node connects to every other node
-Offers full redundancy with multiple connections between nodes
-Physical topology on which the public Internet is based
