CompTIA A+ Core 2: Operating System & Network Management Flashcards
You are using the Windows file explorer tool and have navigated to a folder deep in the file system hierarchy. You would like to issue PowerShell commands in this directory. What should you do?
Hold SHIFT, right-click the folder and choose “Open PowerShell window here”
Which Windows command starts the control panel tool?
control panel
Which Windows command bypasses the DNS client cache and tests DNS name resolution?
nslookup
Which Linux command shows IP addresses on a Linux host?
ip a
Which macOS tool is used to create backups?
Time Machine
Which type of firewall is Windows Defender firewall?
Packet filtering
Which type of VPN uses port 443 and is considered to be “firewall friendly?”
SSTP
How many bits are in an IPv6 IP address?
128
Which port does a DNS server listen for client queries on?
UDP 53
A user complains that they are unable to access the Internet from their laptop. Upon further examination you notice that the user station IP address begins with 169.254. What does this mean?
A DHCP server was not found on the network
Which type of record resolves and IPv6 address to a FQDN?
AAAA
Which network service is required for Active Directory to function?
DNS
How do client stations discover Active Directory domain controllers?
DNS service location records
Users complain about slow VPN access from their Windows laptops when they leave the office. You discover that users are enabling smartphone Wi-Fi hotspots that they connect their laptops to when out of the office. How can you ensure VPN access is unavailable over smartphone Wi-Fi hotspots?
Configure the Wi-Fi network as a metered network, disable the “Allow VPN over metered networks” option
