Some examples from this set of practice questions
1.
Wireshark
Answer: A free and open source packet sniffer and protocol analyzer.
2.
Ipconfig
Answer: Can be used to display all current TCP/IP network configuration values. Ipconfig can also be used to refresh Dynamic Host Configuration Protocol and Domain Name System settings.
3.
Nslookup
Answer: This command will allow you to query the Domain Name System (DNS) to see the mapping between domain name and IP address or other DNS records. If you encounter host name resolution issues on your network, this is the command you will use to diagnose and troubleshoot the issue.
4.
Nbstat
Answer: This command will display NetBIOS over TCP/IP protocol statistics.
5.
Netstat
Answer: Used without parameters, this command simply displays active TCP connections. Although, this command can also display ports that the computer is using to listen, ethernet statistics, the IP routing table, IPv6 statistics and IPv4 statistics.
6.
Tracert
Answer: This Windows command allows you to trace all of the hops (routers) between two points
7.
Traceroute
Answer: This Mac command allows you to trace all of the hops (routers) between two points
8.
Ping
Answer: Will show whether not there is a connection between you and another computer/server. This command sends packets of data to a specific IP address on a network, and then lets you know how long it took to transmit that data and get a response.
9.
Pathping
Answer: This command will display the amount of packet loss at any given link or router, thereby allowing you to figure out which routers or subnets might be having network problems.
10.
Arp
Answer: If a host on a TCP/IP network want to communicate with a second host, then it first has to find that host. To do so, the host begins by using Address Resolution Protocol to resolve the IP address of the second host into its associated MAC address. The ARP Command is a TCP/IP utility/command for viewing and modifying the local ARP cache. The ARP command will display a list of recently resolved MAC addresses of Internet Protocol (IP) hosts on the network.
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