Which choice lists typical firewall functions?

• A. Issuing alerts and limiting host access
• B. Implementing the security policy and scanning the internal network
• C. Creating a VLAN and configuring the intrusion-detection system
• D. Logging traffic and creating a choke point

How do activity logs help to implement and maintain a security plan?

• A. Activity logs allow you to determine if and how an unauthorized activity occurred.
• B. Activity logs dissuade would-be hackers from breaching your security.
• C. Activity logs remind users to log on with strong passwords, because the logs can be analyzed to see if users are complying with policy.
• D. Activity logs provide advice on firewall installation, because they enable network baseline creation.

Consider the following image of a packet capture:
This packet capture has recorded two types of attacks.
Which choice lists both attack types?

• A. A syn flood attack and a spoofing attackB.A syn flood attack and a spoofing attack
• B. A SQL injection attack and a virus attackD.A SQL injection attack and a virus attack
• C. A dictionary attack and a worm-based attackA.A dictionary attack and a worm-based attack
• D. A worm attack and a botnet attack C.A worm attack and a botnet attack

Consider the following diagram:
Which type of attack is occurring?

• A. Man-in-the-middle attack using a packet sniffer
• B. Denial-of-service attack
• C. Distributed denial-of-service attack
• D. Polymorphic virus-based attack

What is the primary use of hash (one-way) encryption in networking?

• A. Encrypting files, for data confidentiality
• B. User authentication, for non-repudiation
• C. Key exchange, for user authentication
• D. Signing files, for data integrity