WGU C172 Network & Security Foundations - Practice
Test A Questions with verified answers
____ means that a MAC address was assigned to a port when the device sends a
packet. (dynamic or static?) Ans✓✓✓-Dynamic addressing
255.255.252.0 is expressed as ____ using CIDR notation. Ans✓✓✓-/22 because
there are 22 1s in the subnet mask.
40 Private IP addresses were defined in which RFC (which year)? Ans✓✓✓-1918
Antivirus software uses ____ to match against known viruses and worms.
Ans✓✓✓-Signatures
Are data rates higher or lower in a wired network versus a wireless network?
Ans✓✓✓-Data rates are higher in a wired network (as high as 100Gbps)
Bluetooth operates in the ____ GHz band. Ans✓✓✓-2.4 GHz
Do 802.11 technologies use visible light? Ans✓✓✓-No, they use infrared.
How many bytes are in an IP address? Ans✓✓✓-4 bytes (also 4 octets, or 32 bits)
In a Class C address, there are ___ network bits. Ans✓✓✓-24
Single mode fiber typically uses what wavelengths? (2) Ans✓✓✓-1310 and 1550
nm
Test A Questions with verified answers
____ means that a MAC address was assigned to a port when the device sends a
packet. (dynamic or static?) Ans✓✓✓-Dynamic addressing
255.255.252.0 is expressed as ____ using CIDR notation. Ans✓✓✓-/22 because
there are 22 1s in the subnet mask.
40 Private IP addresses were defined in which RFC (which year)? Ans✓✓✓-1918
Antivirus software uses ____ to match against known viruses and worms.
Ans✓✓✓-Signatures
Are data rates higher or lower in a wired network versus a wireless network?
Ans✓✓✓-Data rates are higher in a wired network (as high as 100Gbps)
Bluetooth operates in the ____ GHz band. Ans✓✓✓-2.4 GHz
Do 802.11 technologies use visible light? Ans✓✓✓-No, they use infrared.
How many bytes are in an IP address? Ans✓✓✓-4 bytes (also 4 octets, or 32 bits)
In a Class C address, there are ___ network bits. Ans✓✓✓-24
Single mode fiber typically uses what wavelengths? (2) Ans✓✓✓-1310 and 1550
nm
