Info Sec Final (from quizzes) FINISH

What is a key principle of risk management programs?

Don't spend more to protect an asset than it is worth.

Which recovery site option provides readiness in minutes to hours?

Hot site

Adam's company recently suffered an attack where hackers exploited an SQL injection issue on their web server and stole sensitive information from a database. What term describes this activity?

Incident

Gary is sending a message to Patricia. He wants to ensure that nobody tampers with the message while it is in transit. What goal of cryptography is Gary attempting to achieve?

Integrity

When Patricia receives a message from Gary, she wants to be able to demonstrate to Sue that the message actually came from Gary. What goal of cryptography is Patricia attempting to achieve?

Nonrepudiation

Which of the following allows a certificate authority (CA) to revoke a compromised digital certificate in real time?

Online Certificate Status Protocol (OCSP)

What term describes the risk that exists after an organization has performed all planned countermeasures and controls?

Residual risk

What is NOT a symmetric encryption algorithm?

Rivest-Shamir-Adelman (RSA)

What term describes the longest period of time that a business can survive without a particular critical system?

Maximum tolerable downtime (MTD)

Which data source comes first in the order of volatility when conducting a forensic investigation?

RAM

Adam is evaluating the security of a web server before it goes live. He believes that an issue in the code allows an SQL injection attack against the server. What term describes the issue that Adam discovered?

Vulnerability

Which set of characteristics describes the Caesar cipher accurately?

Symmetric, stream, substitution

What is the only unbreakable cipher when it is used properly?

Vernam

Kim is the risk manager for a large organization. She is evaluating whether the organization should purchase a fire suppression system. She consulted a variety of subject matter experts and determined that there is a 1 percent chance that a fire will occur in a given year. If a fire occurred, it would likely cause $2 million in damage to the facility, which has a $10 million value. Given this scenario, what is the single loss expectancy (SLE)?

$2,000,000

Nancy performs a full backup of her server every Sunday at 1 A.M. and differential backups on Mondays through Fridays at 1 A.M. Her server fails at 9 A.M. Wednesday. How many backups does Nancy need to restore?

2

Beth is conducting a risk assessment. She is trying to determine the impact a security incident will have on the reputation of her company. What type of risk assessment is best suited to this type of analysis?

Qualitative

What mathematical problem forms the basis of most modern cryptographic algorithms?

Factoring large primes

What is NOT an effective key distribution method for plaintext encryption keys?

Unencrypted email

Which type of cipher works by rearranging the characters in a message?

Transposition

Bob received a message from Alice that contains a digital signature. What cryptographic key does Bob use to verify the digital signature?

Alice's public key

Forensics and incident response are examples of __________ controls.

corrective

Kim is the risk manager for a large organization. She is evaluating whether the organization should purchase a fire suppression system. She consulted a variety of subject matter experts and determined that there is a 1 percent chance that a fire will occur in a given year. If a fire occurred, it would likely cause $2 million in damage to the facility, which has a $10 million value. Given this scenario, what is the annualized loss expectancy (ALE)?

$2,000,000

Joe is responsible for the security of the industrial control systems for a power plant. What type of environment does Joe administer?

Supervisory Control and Data Acquisition (SCADA)

Which control is NOT an example of a fault tolerance technique designed to avoid interruptions that would cause downtime?

Warm site

Alice would like to send a message to Bob using a digital signature. What cryptographic key does Alice use to create the digital signature?

Alice's private key

Which information security objective allows trusted entities to endorse information?

Certification

Betty receives a cipher text message from her colleague Tim. What type of function does Betty need to use to read the plaintext message?

Decryption

What type of function generates the unique value that corresponds to the contents of a message and is used to create a digital signature?

Hash

Brian needs to design a control that prevents piggybacking, only allowing one person to enter a facility at a time. What type of control would best meet this need?

Mantraps

Which approach to cryptography provides the strongest theoretical protection?

Quantum cryptography

Alan is the security manager for a mid-sized business. The company has suffered several serious data losses when mobile devices were stolen. Alan decides to implement full disk encryption on all mobile devices. What risk response did Alan take?

Reduce

A(n) _________ is an event that prevents a critical business function (CBF) from operating for a period greater than the maximum tolerable downtime.

disaster

Alice would like to send a message to Bob securely and wishes to encrypt the contents of the message. What key does she use to encrypt this message?

Bob's public key

Alice and Bob would like to communicate with each other using a session key but they do not already have a shared secret key. Which algorithm can they use to exchange a secret key?

Diffie-Hellman

Which cryptographic attack offers cryptanalysts the most information about how an encryption algorithm works?

Chosen plaintext

What standard is NOT secure and should never be used on modern wireless networks?

Wired Equivalent Privacy (WEP)

What is NOT a valid encryption key length for use with the Blowfish algorithm?

512 bits

Violet deploys an intrusion prevention system (IPS) on her network as a security control. What type of control has Violet deployed?

Preventive

Purchasing an insurance policy is an example of the ____________ risk management strategy.

transfer

Kim is the risk manager for a large organization. She is evaluating whether the organization should purchase a fire suppression system. She consulted a variety of subject matter experts and determined that there is a 1 percent chance that a fire will occur in a given year. If a fire occurred, it would likely cause $2 million in damage to the facility, which has a $10 million value. Given this scenario, what is the exposure factor?

20 percent