Network+ (9th Edition) - Module 3: Self-Check and Review Questions
10. Which DNS record type is used to find an FQDN from a given IP address?
PTR
8. When your computer requests a DNS lookup, which DNS server holds the most reliable information for that DNS record?
Primary DNS server
9. Which DNS record type is listed 1st in a zone file?
SOA (service-oriented architecture)
4. Which of the following IPv4 addresses is a public IP address?
64.233.177.189
13. What problem will "ping google.com" check for that ping 8.8.8.8 will not?
Name resolution issues
Review Q6: If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation's DHCP lease, which command would you use?
ipconfig /release
3. What command shows you a computer's TCP/IP configuration?
ipconfig
2. What Windows Command outputs a computer's MAC address?
ipconfig /all
12. Which command disables a computer's connection to the network?
ipconfig /release
5. Which IPv6 prefix can be routed on the Internet?
2000::/3
7. Which port should be open so you can remote into the corporate office's Linux server from a branch office?
22
Review Q3: What decimal number corresponds to the binary number 11111111?
255
Review Q2: What type of device does a computer turn to when attempting to connect with a host with a known ip address on another network?
Default gateway
Review Q5: When your computer first joins an IPv6 LAN, what is the prefix of the IPv6 address the computer configures for itself?
FE80::/64
11. What protocol does ping use?
ICMP
Review Q1: Which part of a MAC address is unique to each manufacturer?
The OUI
1. What numbering system do people use to write MAC addresses?
hexadecimal
Review Q7: Which of these commands has no parameters in Windows?
hostname
6. When hosting a secure email server for access from the Internet, which port should be open on the corporate firewall?
587
Review Q4: Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting?
All devices on your local network