1. What does ping host do?
Junior- A.send ICMP echo requests to test reachability and round-trip time
- B.display the routing table on Windows
- C.display the local system's network name
- D.display IP configuration of interfaces on Windows
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1. What does
Junior2. Which command will send ICMP echo requests to test reachability and round-trip time?
Junior- A.ping host
- B.nmap host
- C.curl -v url
- D.ss -tan
3. Which statement is correct?
Junior- A.ping host — make an HTTP request showing verbose headers and connection details
- B.ping host — measure achievable TCP or UDP throughput to a server
- C.ping host — send ICMP echo requests to test reachability and round-trip time
- D.ping host — trace the path using TCP SYN probes instead of UDP to bypass filters that block UDP
4. What does traceroute host do?
Junior- A.display or configure network interfaces on legacy Unix systems
- B.display IP configuration of interfaces on Windows
- C.show the network hops/path to a destination
- D.send ICMP echo requests to test reachability and round-trip time
5. Which command will show the network hops/path to a destination?
Junior- A.ss -tan
- B.hostname
- C.traceroute host
- D.tcpdump -i eth0
6. Which statement is correct?
Junior- A.traceroute host — measure achievable TCP or UDP throughput to a server
- B.traceroute host — show the neighbor (ARP/NDP) table on Linux
- C.traceroute host — show the network hops/path to a destination
- D.traceroute host — list listening sockets with protocol, port, and owning process
7. What does nslookup name do?
Junior- A.trace the path using TCP SYN probes instead of UDP to bypass filters that block UDP
- B.query DNS to resolve a hostname to an IP address
- C.measure achievable TCP or UDP throughput to a server
- D.scan a host and probe open ports to identify service versions
8. Which command will query DNS to resolve a hostname to an IP address?
Junior- A.traceroute -T host
- B.nslookup name
- C.dig +short name
- D.ping host
9. Which statement is correct?
Junior- A.nslookup name — display or modify the Linux kernel routing table
- B.nslookup name — query DNS to resolve a hostname to an IP address
- C.nslookup name — scan a host and probe open ports to identify service versions
- D.nslookup name — show the neighbor (ARP/NDP) table on Linux
10. What does ipconfig do?
Junior- A.display IP configuration of interfaces on Windows
- B.capture and decode packets from the command line using the Wireshark engine
- C.combine ping and traceroute to continuously report per-hop loss and latency
- D.perform a flexible DNS lookup showing detailed query and answer sections
11. Which command will display IP configuration of interfaces on Windows?
Junior- A.ipconfig
- B.ipconfig /flushdns
- C.dig +trace name
- D.dig +short name
12. Which statement is correct?
Junior- A.ipconfig — show and manage IP addresses on Linux interfaces
- B.ipconfig — measure achievable TCP or UDP throughput to a server
- C.ipconfig — display IP configuration of interfaces on Windows
- D.ipconfig — query DNS to resolve a hostname to an IP address
13. What does ifconfig do?
Junior- A.write captured packets to a file for later analysis
- B.trace the path using TCP SYN probes instead of UDP to bypass filters that block UDP
- C.display or configure network interfaces on legacy Unix systems
- D.send exactly four ICMP echo requests then stop
14. Which command will display or configure network interfaces on legacy Unix systems?
Junior- A.ifconfig
- B.dig +short name
- C.ping host
- D.iperf3 -c host
15. Which statement is correct?
Junior- A.ifconfig — query DNS to resolve a hostname to an IP address
- B.ifconfig — display the local system's network name
- C.ifconfig — display or configure network interfaces on legacy Unix systems
- D.ifconfig — show and manage IP addresses on Linux interfaces
16. What does dig name do?
Mid- A.perform a flexible DNS lookup showing detailed query and answer sections
- B.query or set NIC settings like speed, duplex, and link status
- C.capture and display packets on an interface for analysis
- D.show the network hops/path to a destination
17. Which command will perform a flexible DNS lookup showing detailed query and answer sections?
Mid- A.ifconfig
- B.mtr host
- C.tcpdump -i eth0
- D.dig name
18. Which statement is correct?
Mid- A.dig name — display or configure network interfaces on legacy Unix systems
- B.dig name — measure achievable TCP or UDP throughput to a server
- C.dig name — perform a flexible DNS lookup showing detailed query and answer sections
- D.dig name — display TCP socket statistics quickly on modern Linux
19. What does ip addr do?
Mid- A.send ICMP echo requests to test reachability and round-trip time
- B.show and manage IP addresses on Linux interfaces
- C.trace the path using TCP SYN probes instead of UDP to bypass filters that block UDP
- D.display the routing table on Windows
20. Which command will show and manage IP addresses on Linux interfaces?
Mid- A.nmap -sV host
- B.dig +trace name
- C.ip addr
- D.dig name
21. Which statement is correct?
Mid- A.ip addr — make an HTTP request showing verbose headers and connection details
- B.ip addr — show and manage IP addresses on Linux interfaces
- C.ip addr — clear the local DNS resolver cache on Windows
- D.ip addr — send ICMP echo requests to test reachability and round-trip time
22. What does ip route do?
Mid- A.show and manage IP addresses on Linux interfaces
- B.display or modify the Linux kernel routing table
- C.send ICMP echo requests to test reachability and round-trip time
- D.capture and decode packets from the command line using the Wireshark engine
23. Which command will display or modify the Linux kernel routing table?
Mid- A.dig +short name
- B.ss -tan
- C.dig +trace name
- D.ip route
24. Which statement is correct?
Mid- A.ip route — display the local system's network name
- B.ip route — display or modify the Linux kernel routing table
- C.ip route — capture and decode packets from the command line using the Wireshark engine
- D.ip route — show and manage IP addresses on Linux interfaces
25. What does netstat -tulpn do?
Mid- A.scan a host for open ports and running services
- B.display the local system's network name
- C.display the routing table on Windows
- D.list listening sockets with protocol, port, and owning process
26. Which command will list listening sockets with protocol, port, and owning process?
Mid- A.traceroute -T host
- B.arp -a
- C.netstat -tulpn
- D.iperf3 -c host
27. Which statement is correct?
Mid- A.netstat -tulpn — capture and decode packets from the command line using the Wireshark engine
- B.netstat -tulpn — list listening sockets with protocol, port, and owning process
- C.netstat -tulpn — follow the DNS delegation from the root servers down to the authoritative answer
- D.netstat -tulpn — display TCP socket statistics quickly on modern Linux
28. What does ss -tan do?
Mid- A.show the network hops/path to a destination
- B.trace the path using TCP SYN probes instead of UDP to bypass filters that block UDP
- C.display TCP socket statistics quickly on modern Linux
- D.display or modify the Linux kernel routing table
29. Which command will display TCP socket statistics quickly on modern Linux?
Mid- A.ss -tan
- B.mtr host
- C.netstat -tulpn
- D.ip addr
30. Which statement is correct?
Mid- A.ss -tan — display TCP socket statistics quickly on modern Linux
- B.ss -tan — display or modify the Linux kernel routing table
- C.ss -tan — capture and decode packets from the command line using the Wireshark engine
- D.ss -tan — query or set NIC settings like speed, duplex, and link status
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