Which of the following protocols is used by e-mail servers to send messages?

1. A. SNMP
2. B. FTP
3. C. POP3
4. D. SMTP
5. E. HTTP

Correct Answer: D

Which of the following sectors on a hard disk contains codes that the computer uses to start the system?

1. A. Sector 256
2. B. Sector 0
3. C. Sector 1
4. D. Sector 128

Correct Answer: B

What is the size of a subnet in IPv6?

1. A. 264 addresses
2. B. 232 addresses
3. C. 262 addresses
4. D. 2128 addresses

Correct Answer: A

Which of the following intrusion detection systems (IDS) produces the false alarm because of the abnormal behavior of users and network?

1. A. Application protocol-based intrusion detection system (APIDS)
2. B. Protocol-based intrusion detection system (PIDS)
3. C. Network intrusion detection system (NIDS)
4. D. Host-based intrusion detection system (HIDS)

Correct Answer: D

Which of the following is the default port for Hypertext Transfer Protocol (HTTP)?

1. A. 23
2. B. 21
3. C. 80
4. D. 25

Correct Answer: C