1. Which statements are true regarding UDP? Answers: • It is a connectionless service • It is less reliable as compared to TCP • It uses handshaking • It is slow as compared to TCP 2. Which are the two valid IP addresses in the subnets of 192.168.10.0 network with a subnet mask of 255.255.255.248? Answers: • 192.168.10.1 • 192.168.10.24 • 192.168.10.63 • 192.168.10.5 3. Which of the following ranges are reserved as private addresses? Answers: • 10.0.0.0 — 10.255.255.255 • 192.168.0.0 — 192.255.255.255 • 172.16.0.0 — 172.31.255.255 • 172.16.0.0 — 172.255.255.255 4. What is the class of IP address 128.10.15.24? Answers: • Class A • Class B • Class C • Class D 5. What is the port number used by HTTP? Answers: • 21 • 23 • 80 • 112 6. Which Protocol uses port number 21? Answers: • FTP • SMTP • Telnet • HTTP 7. If UDP receives datagrams that are not in a sequenc...