Cybersecurity Ess

What does the acronym IoE represent?

• Intermediate into Everything

• Internet of Everything

• Intelligence on Everything

• Internet of Everyday

What does the term vulnerability mean?

• a potential threat that a hacker creates

• a known target or victim machine

• a weakness that makes a target susceptible to an attack

• a method of attack to exploit a target

What are the three states of data? (Choose three.)

• in-transit

• at rest

• encrypted

• in-process

What are two common hash functions? (Choose two.)

• MD5

• RSA

• SHA

• Phishing

Answer explanation

SHA and MD5 use use complex mathematical algorithms to compute hash values.

Which two methods help to ensure data integrity? (Choose two.)

• data consistency checks

• repudiation

• availability

• hashing

Answer explanation

Data integrity systems include one of the two data integrity methods.

For the purpose of authentication, what three methods are used to verify identity? (Choose three.)

• Something you know

• Something you do

• Something you have

• Something you are

What does a rootkit modify?

• Programs

• Antivirus

• Microsoft Word

• OS

Answer explanation

A rootkit commonly modifies an operating system to create a backdoor to bypass normal authentication mechanisms.

What is the meaning of the term logic bomb?

• worm

• a malicious program that hides itself in a legitimate program

• virus

• a malicious program that uses a trigger to awaken the malicious code

Answer explanation

A logic bomb remains inactive until a trigger event occurs. Once activated, a logic bomb runs malicious code that causes harm to a computer.

What are two common indicators of spam mail? (Choose two.)

• no subject line

• has keywords in it

• from your supervisor

• misspelled words or punctuation errors or both

Answer explanation

Spam is a common method of advertising through the use of unsolicited email and may contain malware.

Which three protocols use asymmetric key algorithms? (Choose three.)

• SSH

• PGP

• SSL

• AES

Answer explanation

Four protocols use asymmetric key algorithms:

Internet Key Exchange (IKE)

Secure Socket Layer (SSL)

Secure Shell (SSH)

Pretty Good Privacy (PGP)