Network Infrastructure
Which OSI layer is responsible for routing and logical addressing?
Network layer
What protocol translates domain names into IP addresses?
DNS
What is the process of analyzing network packets called?
Packet analysis
What is a weakness in a system that can be exploited?
Vulnerability
What is dividing a network into smaller secure sections called?
Network segmentation
What is the first step in the CompTIA troubleshooting methodology?
Identify the problem
Which IPv4 address class supports the most hosts?
Class A
What service allows users to access websites?
HTTP/HTTPS
What is a potential danger that can exploit a vulnerability?
Threat
What security method verifies a user’s identity?
Authentication
Which Ethernet standard supports speeds of 1000 Mbps?
1000BASE-T
What is the process of dividing a network into smaller networks called?
Subnetting
What protocol is used for time synchronization across networks?
NTP
What is a successful use of a vulnerability called?
Exploit
What is the most secure modern wireless encryption standard?
WPA3
What device forwards data frames using MAC addresses?
Switch
What service automatically assigns IP addresses?
DHCP
Which protocol is commonly used to send emails?
SMTP
What process checks compliance with rules and standards?
Audit
What protects network hardware using locks or access cards?
Physical security
What topology connects all devices to a central hub or switch?
Star Topology
What technology allows multiple VLANs on one port?
Trunking
What tools are used to find devices on a network?
Network discovery tools
What attack floods a system with traffic to overwhelm it?
DDoS attack
What occurs when wireless signals disrupt each other?
Interference