Quizzes Flashcards
What specialized network device is responsible for enforcing access control policies between networks?
Firewall
What information does an Ethernet switch examine and use to build its address table?
Destination MAC address
Which device is an intermediary device?
Firewall
Which wireless parameter refers to the frequency bands used to transmit data to a wireless access point?
Channel Settings
What specialized network device uses signatures to detect patterns in network traffic?
IDS
What type of physical topology can be created by connecting all Ethernet cables to a central device?
Star
Which network service synchronizes the time across all devices on the network?
NTP
Which network service allows administrators to monitor and manage network devices?
SNMP
What are two types of addresses found on network end devices?
IP & MAC
Which OSI layer header is rewritten with new addressing information by a router when forwarding between LAN segments?
Layer 2
Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN?
IPsec
What is the only attribute used by standard access control lists to identify traffic?
source IP address
Which protocol or service is used to automatically synchronize the software clocks on Cisco routers?
NTP
Which wireless parameter is used by an access point to broadcast frames that include the SSID?
passive mode
Which Linux command can be used to display the name of the current working directory?
pwd
