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Questions Bank (1387606 total)
Consider the following statements:
i) A public key can decrypt messages encrypted with a private key.
ii) Hashing is reversible if you know the algorithm.
iii) A honeypot has production value and is used to host critical enterprise applications.
Kerberos authentication involves:
Below are the two statements:
i) PGP and S/MIME both use X.509 certificates for key exchange.
ii) SSL and TLS operate at the application layer of the OSI model.
Choose the correct option for the above two statements.
| Column A (Device) | Column B (Function) |
|---|---|
| 1. Proxy Server | A. Logs keystrokes of attackers |
| 2. Honeypot | B. Filters harmful websites |
| 3. Internet Content Filter | C. Acts as intermediary for client requests |
| 4. Protocol Analyzer | D. Captures and decodes network packets |
PKI components include:
Which of the following are disadvantages of RAID systems? (Select all that apply)
Which device operates at the network layer (OSI Layer 3) and filters traffic based on IP addresses?
Which are valid wireless threats?
DNS Poisoning | A. Switch MAC address tables
MAC Spoofing | B. DNS resolver cache
SYN Flood | C. TCP/IP three-way handshake
Brute Force | D. Weak password policies
Match the following:
| Column A (Protocol) | Column B (Description) |
|---|---|
| 1. PGP | A. Encrypts individual HTTP messages, used for server authentication |
| 2. S/MIME | B. Provides end-to-end security at the IP layer, encrypts each packet |
| 3. S-HTTP | C. Uses RSA for email encryption, requires X.509 certificates |
| 4. IPsec | D. Combines symmetric and asymmetric encryption for email/files |
| 5. TLS | E. Supersedes SSL, uses Handshake and Record protocols |