Exam 4: Engineering

What identifies blocks of memory that were once allocated, but are no longer in use and de-allocates the blocks and marks them as free?

You know that databases, applications, and integrity services are necessary for systems to work. What integrity service has uniqueness constraints?

What do constant voltage transformers regulate?

For a cipher to be strong and avoid being broken, two elements must be a part of the encryption. Which attribute pertains to making the relationship between the key and resulting ciphertext as complex as possible?

Jenny has hidden a message to a coworker about a love triangle involving the boss in the company logo she used in the e-mail. What is Jenny practicing?

Fire can cause massive losses and cost lots in damage. What type of gas is used to interfere with the chemical reaction of fire?

Fred is encrypting a message to a coworker that is full of gossip, so his encryption strength had better be good. What doesn't Fred have to worry about when it comes to encryption strength?

Shelia notices that her computer hardware isn't working properly. She has also noticed that the night cleaning crew hasn't been in for a week. What could be causing Shelia's hardware problems?

What type of air-conditioning system maintains air quality and lessens contaminants?

Cryptography is really an issue of mathematics being used to put code into an undecipherable form or algorithms. Which algorithm takes a variable-length string and message and produces a fixed-length value?

Cryptography is really an issue of mathematics being used to create code into an undecipherable form or algorithms. What algorithm is easier to perform than to decipher?

Today, I have been to 17 different websites and each has recorded my interest on the sites. What technology is being used?

There are two commonly used modes of encryption implantations. Which mode of encryption implementation enables attackers to learn about a captured packet and where it is headed?

You know that databases, applications, and integrity services are necessary for systems to work. What integrity service deals with foreign keys and primary keys?

If Janet wanted to know data about the data, where could she find that information?

What type of lock provides protection from bystanders learning a set code?

Where are wiring and cables strung?

Jack is happy that he has not had to pay for e-mail security since 1991 because of Phil Zimmerman. What email security does Jack use?

What algorithm enables two systems to exchange a symmetric key securely without requiring a previous relationship?

You are a security guard on the night shift. As you watch the CCTVs, you see the outside lights turn on within a specific area. What type of intrusion detection system are you evaluating?