CEH - Chapitre 2 - Network Foundations

Which of these devices would not be considered part of the Internet of Things?

• Smartphone
• Thermostat
• Light bulb
• Set-top cable box

If you wanted a lightweight protocol to send real-time data over, which of these would you use?

• TCP
• HTTP
• ICMP
• UDP

What order, from bottom to top, does the TCP/IP architecture use?

• Network Access, Network, Transport, Application
• Link, Internet, Transport, Application
• Physical, Network, Session, Application
• Data Link, Internet, Transport, Application

Which of these services would be considered a storage as a service solution?

• Microsoft Azure
• iCloud
• Google Compute
• DropLeaf

The UDP headers contain which of the following fields?

• Source address, destination address, checksum, length
• Destination port, source port, checksum, length
• Flags, source port, destination port, checksum
• Length, checksum, flags, address

What are the three steps in the TCP handshake as described by the flags set?

• SYN, SYN/URG, RST
• RST, SYN, ACK
• SYN, SYN/ACK, ACK
• SYN, SYN/ACK, ACK/URG

Which of these protocols would be used to communicate with an IoT device?

• ICMP
• SMTP
• Telnet
• HTTP

Which network topology are you most likely to run across in a large enterprise network?

• Ring Topology
• Bus Topology
• Full mesh
• Star-bus hybrid

If you were to see the subnet mask 255.255.252.0, what CIDR notation (prefix) would you use to indicate the same thing?

• /23
• /22
• /21
• /20

Which of these addresses would be considered a private address (RFC 1918 address)?

• 172.128.10.5
• 9.10.10.7
• 172.20.128.240
• 250.28.17.10