Tests
Which 128-bit block cipher encryption algorithm does the US government use to protect classified information?
AES
What type of an attack can disable a computer by forcing it to use memory or by overworking its CPU?
Algorithm
Which is an acceptable definition of information?
All are acceptable definitions
Which of the multifactor authentication types match the description?
All are correct descriptions
A malicious attacker must have this:
All are necessary.
What is the workforce framework category that includes highly specialized review and evaluation of incoming cybersecurity information to determine if it is useful for intelligence?
Analyze
Which are the most critical characteristics of information? Select all that apply.
Avaliability,Confidentiality,Integrity
A user has created a new program and wants to distribute it to everyone in the company. The user wants to ensure that when the program is downloaded that the program is not changed while in transit. What can the user do to ensure that the program is not changed when downloaded?
Create a hash of the program file that can be used to verify the integrity of the file after it is downloaded.
What is the step by step process for creating a digital signature?
Create a message digest; encrypt the digest with the private key of the sender; and bundle the message, encrypted digest, and public key together in order to sign the document.
What type of attack uses many systems to flood the resources of a target, thus making the target unavailable?
DDoS
Which asymmetric algorithm provides an electronic key exchange method to share the secret key?
Diffe-Hellman
What cryptographic algorithm is used by the NSA and includes the use of elliptical curves for digital signature generation and key exchange?
ECC
True or False. A threat is a weakness in the security system, for example, in procedures, design, or implementation, that might be exploited to cause loss or harm.
False
True or False. An interruption means that some unauthorized party has gained access to an asset.
False
True or False. The ARPANET Program Plan is considered the first step in the development of the Internet. Access Control was one of its primary concerns.
False
A user has been asked to implement IPsec for inbound external connections. The user plans to use SHA-1 as part of the implementation. The user wants to ensure the integrity and authenticity of the connection. What security tool can the user use?
HMAC
For the purpose of authentication, what three methods are used to verify identity? (Choose three.)
Have,know,are
What does the acronym IoE represent?
Internet of Everything
What are two ways to protect a computer from malware? (Choose two.)
Keep software up to date.,Use antivirus software.
What is an example of an Internet data domain?
What name is given to a storage device connected to a network?
NAS
What are three types of sensitive information? (Choose three.)
PII,business,classified
What are two common hash functions? (Choose two.)
SHA,MD5
What type of attack targets an SQL database using the input field of a user?
SQL injection
Which three protocols use asymmetric key algorithms? (Choose three.)
Secure Shell (SSH),Pretty Good Privacy (PGP),Secure Socket Layer (SSL)
What are two common indicators of spam mail? (Choose two.)
The email has misspelled words or punctuation errors or both.
Which two reasons describe why WEP is a weak protocol? (Choose two.)
The key is static and repeats on a congested network.,The key is transmitted in clear text.
A user is connecting to an e-commerce server to buy some widgets for a company. The user connects to the site and notices there is no lock in the browser security status bar. The site does prompt for a username and password and the user is able to log in. What is the danger in proceeding with this transaction?
The site is not using a digital certificate to secure the transaction, with the result that everything is in the clear.
True or False. A Subject who exploits a vulnerability perpetrates an attack on the system.
True
True or False. Data owner: responsible for the security and use of a particular set of information .
True
True or False. It is impossible to obtain perfect security.
True
True or False. The primary mission of information security is to ensure systems and contents stay the same.
True
True or False. To achieve balance, level of security must allow reasonable access, yet protect against threats.
True
What is a secure virtual network called that uses the public network?
VPN
What is the difference between a virus and a worm?
Worms self-replicate but viruses do not.
What occurs on a computer when data goes beyond the limits of a buffer?
a buffer overflow
What is the meaning of the term logic bomb?
a malicious program that uses a trigger to awaken the malicious code
A computer is presenting a user with a screen requesting payment before the user data is allowed to be accessed by the same user. What type of malware is this?
a type of ransomware
What does the term vulnerability mean?
a weakness that makes a target susceptible to an attack
What are three access control security services? (Choose three.)
accounting,authorization,authentication
What is the name for the type of software that generates revenue by generating annoying pop-ups?
adware
What encryption algorithm uses one key to encrypt data and a different key to decrypt data?
asymmetric
What service determines which resources a user can access along with the operations that a user can perform?
authorization
What are the three foundational principles of the cybersecurity domain? (Choose three.)
availability,confidentiality,integrity
What is the name given to a program or program code that bypasses normal authentication?
backdoor
What are three examples of administrative access controls? (Choose three.)
background checks,policies and procedures,hiring practice
Which three processes are examples of logical (technical) access controls? (Choose three.)
biometrics to validate physical characteristics,intrusion detection system (IDS) to watch for suspicious network activity,firewalls to monitor traffic
Which type of cipher is able to encrypt a fixed-length block of plaintext into a 128-bit block of ciphertext at any one time?
block
An attacker is sitting in front of a store and wirelessly copies emails and contact lists from nearby unsuspecting user devices. What type of attack is this?
bluesnarfing
What does the term BYOD represent?
bring your own device
Which method tries all possible passwords until a match is found?
brute force
What principle prevents the disclosure of information to unauthorized people, resources, and processes?
confidentiality
What is a vulnerability that allows criminals to inject scripts into web pages viewed by users?
cross-site scripting
What is the term used to describe the science of making and breaking secret codes?
cryptology
What three tasks are accomplished by a comprehensive security policy? (Choose three.)
defines legal consequences of violations,gives the security staff the backing of management,sets rules for expected behavior
A warning banner that lists the negative outcomes of breaking company policy is displayed each time a computer user logs in to the machine. What type of access control is implemented?
deterrent
A recent email sent throughout the company stated that there would be a change in security policy. The security officer who was presumed to have sent the message stated the message was not sent from the security office and the company may be a victim of a spoofed email. What could have been added to the message to ensure the message actually came from the person?
digital signature
Pick three types of records that cyber criminals would be interested in stealing from organizations. (Choose three.)
education,medical,employment
What are two methods that ensure confidentiality? (Choose two.)
encryption,authentication
A user is the database administrator for a company. The user has been asked to implement an integrity rule that states every table must have a primary key and that the column or columns chosen to be the primary key must be unique and not null. Which integrity requirement is the user implementing?
entity integrity
What name is given to hackers who hack for a cause?
hactivist
Which two methods help to ensure data integrity? (Choose two.)
hashing,data consistency checks
What are the three states of data? (Choose three.)
in-process,in-transit,at rest
Which two terms are used to describe cipher keys? (Choose two.)
key space,key length
What term is used to describe the technology that replaces sensitive information with a nonsensitive version?
masking
What name is given to any changes to the original data such as users manually modifying data, programs processing and changing data, and equipment failures?
modification
What does a rootkit modify?
operating system
What is the term used when a malicious party sends a fraudulent email disguised as being from a legitimate, trusted source?
phishing
A recent breach at a company was traced to the ability of a hacker to access the corporate database through the company website by using malformed data in the login form. What is the problem with the company website?
poor input validation
What type of cybersecurity laws protect you from an organization that might want to share your sensitive data?
privacy
What three design principles help to ensure high availability? (Choose three.)
provide for reliable crossover,eliminate single points of failure,detect failures as they occur
What are three type of attacks that are preventable through the use of salting? (Choose three.)
rainbow tables,lookup tables,reverse lookup tables
What name is given to an amateur hacker?
script kiddie
Thwarting cyber criminals includes which of the following? (Choose two.)
sharing cyber Intelligence information,establishing early warning systems
Which term describes the sending of a short deceptive SMS message used to trick a target into visiting a website?
smishing
What is a method of sending information from one device to another using removable media?
sneaker net
What is the term used to describe an email that is targeting a specific person employed at a financial institution?
spear phishing
A criminal is using software to obtain information about the computer of a user. What is the name of this type of software?
spyware
What term is used to describe concealing data in another file such as a graphic, audio, or other text file?
steganography
What type of cipher encrypts plaintext one byte or one bit at a time?
stream
Which three devices represent examples of physical access controls? (Choose three.)
swipe cards,video cameras,locks
What encryption algorithm uses the same pre-shared key to encrypt and decrypt data?
symmetric
What is the purpose of CSPRNG? Cryptographically Secure Pseudo-Random Number Generator (CSPRNG)
to generate salt
What is the name of the method in which letters/messages are rearranged to create the ciphertext?
transposition
What two methods help to ensure system availability? (Choose two.)
up-to-date operating systems,equipment maintenance
What are two of the tactics used by a social engineer to obtain personal information from an unsuspecting target? (Choose two.)
urgency,intimidation
What mechanism can organizations use to prevent accidental changes by authorized users?
version control
Which term describes the technology that protects software from unauthorized access or modification?
watermarking
