Podcast
Questions and Answers
What is the primary function of the transport layer in the Internet protocol stack?
What is the primary function of the transport layer in the Internet protocol stack?
- Data transfer between neighboring network elements
- Routing of datagrams from source to destination network
- Process-process data transfer (correct)
- Supporting network applications
What is the main difference between the Internet protocol stack and the ISO/OSI reference model?
What is the main difference between the Internet protocol stack and the ISO/OSI reference model?
- The ISO/OSI reference model has more layers
- The ISO/OSI reference model is missing the physical layer
- The Internet protocol stack is missing the presentation and session layers (correct)
- The Internet protocol stack has more layers
What is the primary function of the application layer in the Internet protocol stack?
What is the primary function of the application layer in the Internet protocol stack?
- Data transfer between neighboring network elements
- Process-process data transfer
- Routing of datagrams from source to destination network
- Supporting network applications such as FTP and HTTP (correct)
What is the primary focus of the field of network security?
What is the primary focus of the field of network security?
What is the term for the process of adding headers to data as it moves down the protocol stack?
What is the term for the process of adding headers to data as it moves down the protocol stack?
What is the main reason why the Internet protocol designers are playing "catchup" in terms of security?
What is the main reason why the Internet protocol designers are playing "catchup" in terms of security?
What is the term for the process of moving data between neighboring network elements?
What is the term for the process of moving data between neighboring network elements?
What is the primary function of the network layer in the Internet protocol stack?
What is the primary function of the network layer in the Internet protocol stack?
What is the primary function of the physical layer in the Internet protocol stack?
What is the primary function of the physical layer in the Internet protocol stack?
What is the term for the combination of delay, loss, and throughput in networks?
What is the term for the combination of delay, loss, and throughput in networks?
Malware can only get into a host through a virus.
Malware can only get into a host through a virus.
Infected hosts can be used for spam and DDoS attacks.
Infected hosts can be used for spam and DDoS attacks.
Packet sniffing is only possible in wireless networks.
Packet sniffing is only possible in wireless networks.
Wireshark is a proprietary packet-sniffer software.
Wireshark is a proprietary packet-sniffer software.
IP spoofing is only possible in IPv6 networks.
IP spoofing is only possible in IPv6 networks.
The first ARPAnet node was operational in 1965.
The first ARPAnet node was operational in 1965.
Cerf and Kahn's internetworking principles included a stateful router architecture.
Cerf and Kahn's internetworking principles included a stateful router architecture.
The Internet had 100,000 hosts connected to it by 1980.
The Internet had 100,000 hosts connected to it by 1980.
ARPAnet was decommissioned in 1990.
ARPAnet was decommissioned in 1990.
The Internet had approximately 50 million users by 2000.
The Internet had approximately 50 million users by 2000.
