You are the Administrator for a Windows 2000 based network that uses DHCP to dynamically assign IP addresses to the clients and DNS servers. You want to ensure that the DNS servers can communicate with another DNS server. Which type of query will you run to achieve this?

1. A. PATHPING
2. B. NSLOOKUP
3. C. PING
4. D. Recursive

Correct Answer: D

Which of the following types of firewall functions at the Session layer of OSI model?

1. A. Circuit-level firewall
2. B. Switch-level firewall
3. C. Packet filtering firewall
4. D. Application-level firewall

Correct Answer: A

Andrew, a bachelor student of Faulkner University, creates a gmail account. He uses 'Faulkner' as the password for the gmail account. After a few days, he starts receiving a lot of e-mails stating that his gmail account has been hacked. He also finds that some of his important mails have been deleted by someone. Which of the following methods has the attacker used to crack Andrew's password?
Each correct answer represents a complete solution. Choose all that apply.

1. A. Buffer-overflow attack
2. B. Brute force attack
3. C. Dictionary-based attack
4. D. Password guessing
5. E. Social engineering
6. F. Zero-day attack
7. G. Denial-of-service (DoS) attack
8. H. Rainbow attack

Correct Answer: BCDEH

Which of the following terms is used to represent IPv6 addresses?

1. A. Colon-dot
2. B. Colon-hexadecimal
3. C. Hexadecimal-dot notation
4. D. Dot notation

Correct Answer: B

Which of the following is a technique of attacks in which the attacker secretly listens to the private conversation between victims?

1. A. Dialler attack
2. B. Denial of service
3. C. Eavesdropping
4. D. Intrusion

Correct Answer: C