You are a security officer of a company. You had an alert from IDS that indicates that one PC on your
Intranet is connected to a blacklisted IP address (C2 Server) on the Internet. The IP address was
blacklisted just before the alert. You are staring an investigation to roughly analyze the severity of the
situation. Which of the following is appropriate to analyze?

• A.Event logs on the PC
• B.Event logs on domain controller
• C.Internet Firewall/Proxy log
• D.IDS log

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What attack is used to crack passwords by using a precomputed table of hashed passwords?

• A.Brute Force Attack
• B.Rainbow Table Attack
• C.Dictionary Attack
• D.Hybrid Attack

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What is the difference between the AES and RSA algorithms?

• A.AES is asymmetric, which is used to create a public/private key pair; RSA is symmetric, which is used
  to encrypt data
• B.Both are asymmetric algorithms, but RSA uses 1024-bit keys
• C.Both are symmetric algorithms, but AES uses 256-bit keys
• D.RSA is asymmetric, which is used to create a public/private key pair; AES is symmetric, which is used
  to encrypt data

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Bob finished a C programming course and created a small C application to monitor the network traffic and produce alerts when any origin sends "many" IP packets, based on the average number of packets sent by all origins and using some thresholds.
In concept, the solution developed by Bob is actually:

• A.Just a network monitoring tool
• B.A behavior-based IDS
• C.A signature-based IDS
• D.A hybrid IDS

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Bob, your senior colleague, has sent you a mail regarding a deal with one of the clients.
You are requested to accept the offer and you oblige. After 2 days. Bob denies that he had ever sent a mail. What do you want to ""know"" to prove yourself that it was Bob who had send a mail?

• A.Authentication
• B.Integrity
• C.Non-Repudiation
• D.Confidentiality

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