Practice questions

Q.1 How many layers are there in the TCP/IP? Name them.

Q.2 Which layer in the TCP/IP model handles Layer 2 addresses?

Q.3 The Link Layer is also called?

Q.4 The HTTP protocol uses TCP or UDP?

Q.5 IP, ICMP, and _________ are the protocols in the Internet Layer

Q.6 How many parts of the Wireshark window do you know?

Q.7 ARP is a Layer 3 protocol—true/false?

Q.8 Does the TCP protocol follow a three-way handshake?

Q.9 The Port Mirroring technique is possible through switches only—True/False?

Q.10 The Hubbing out technique uses a router to isolate a PC from it peers—true/false?

Q.11 TCP is an unreliable protocol—true/false?

Q.12 Install Wireshark and start a sample capture using your wireless interface. Save your capture file on the desktop with the name first.pcap, and close Wireshark.

Q.13 Open your first.pcap capture file in Wireshark and check how many packets you captured in total.

Q.14 Which pane displays information in the HEX and ASCII form for each packet we've captured?

Q.15 Switch off the promiscuous mode from the capture options window and observe whether you are still able to receive packets from other devices or not.