Free U.S. National Security Agency (NSA) Cryptographer Exam Questions and Answers
U.S. National Security Agency (NSA) Cryptographer Exam is one of the US Federal tests covered here. There is no government-wide federal entrance exam: each agency runs its own screen, from OPM's USA Hire battery to Customs and Border Protection's own entrance examinations.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 7, 2026
- Provider
- US Federal
- Questions in our bank
- 1000+
- Free to read
- First 10, with answers
- Our test mode duration & pass mark
- 130 mins · 70%
- Verified answers
- Reviewed weekly
- Practice format
- Multiple choice
Recommended: Switch to Test Mode to start a practice test that simulates the real exam experience.
Question #1
What is the primary goal of cryptography?
Please select an optionIncorrectCorrect answer: A
The primary goal of cryptography is to ensure confidentiality, integrity, and availability of data.
Was this answer correct?Question #2
In a symmetric encryption scheme, what do the sender and receiver share?
Please select an optionIncorrectCorrect answer: D
In symmetric encryption, both the sender and receiver share the same secret key for encryption and decryption.
Was this answer correct?Question #3
Which of the following is a common hashing algorithm?
Please select an optionIncorrectCorrect answer: B
SHA-256 is a commonly used cryptographic hashing algorithm.
Was this answer correct?Question #4
What does the term 'ciphertext' refer to?
Please select an optionIncorrectCorrect answer: B
Ciphertext refers to the text after it has been encrypted.
Was this answer correct?Question #5
Which of the following is NOT a type of attack on cryptographic systems?
Please select an optionIncorrectCorrect answer: C
A backdoor is a method of bypassing normal authentication, not a direct attack.
Was this answer correct?Question #6
In public key cryptography, what is the role of the public key?
Please select an optionIncorrectCorrect answer: A
The public key is used to encrypt messages that only the corresponding private key can decrypt.
Was this answer correct?Question #7
What is the main disadvantage of symmetric encryption?
Please select an optionIncorrectCorrect answer: A
The main disadvantage of symmetric encryption is the challenge of securely distributing the secret key.
Was this answer correct?Question #8
Which of these algorithms is an example of asymmetric encryption?
Please select an optionIncorrectCorrect answer: C
RSA is a well-known asymmetric encryption algorithm that uses a pair of keys.
Was this answer correct?Question #9
What is a "digital signature"?
Please select an optionIncorrectCorrect answer: B
A digital signature is a hash of a message that is encrypted with the sender's private key.
Was this answer correct?Question #10
Why is the use of random numbers important in cryptography?
Please select an optionIncorrectCorrect answer: B
Random numbers are crucial in cryptography to ensure unpredictability and security in key generation.
Was this answer correct?
Continue with U.S. National Security Agency (NSA) Cryptographer Exam
Unlock the full question bank
You have read the first 10 questions. A subscription opens every question in U.S. National Security Agency (NSA) Cryptographer Exam, the full timed practice test, and your progress and weak-topic reporting.
Single exam
$19.99for 30 days
Full question bank and practice test for one exam, for 30 days.
ChooseSingle exam
$49.99for 1 year
One exam for a full year. Nothing renews and nothing to cancel.
ChooseFull access
$39.99/mo
Every exam in the catalogue, month to month.
ChooseFull access
$199.99/yr
Every exam in the catalogue for a year.
Choose
Already subscribed? Sign in to pick up where you left off.
Other US Federal certifications
- U.S. Marshal Service Criminal Investigator Exam (opens in a new tab)
- U.S. National Park Service Law Enforcement Ranger Exam (opens in a new tab)
- U.S. Department of Veterans Affairs (VA) Medical Support Assistant Exam (opens in a new tab)
- U.S. Department of Homeland Security (DHS) Citizenship and Immigration Services (USCIS) Exam (opens in a new tab)
- U.S. Bureau of Safety and Environmental Enforcement (BSEE) Exam (opens in a new tab)
- U.S. Internal Revenue Service (IRS) Tax Compliance Officer Exam (opens in a new tab)
Reviews
★★★★★
This platform is a lifesaver. The practice questions and explanations are so detailed. It’s the best study tool I’ve ever used.
Hannah Smith
USA
★★★★★
I highly recommend Exam Practice. The feedback after each test helped me improve significantly, and I passed my exams easily.
Oscar Nyström
Sweden
★★★★★
Exam Practice is worth every penny. The mock exams are realistic, and the feedback helped me focus on key areas.
Amit Sharma
India
FAQ
- Q1: What is the U.S. National Security Agency (NSA) Cryptographer Exam exam?
- A: U.S. National Security Agency (NSA) Cryptographer Exam is a US Federal certification exam. Judging by the questions in our bank, it concentrates on cryptography, symmetric, hashing, algorithm and attack.
- Q2: What topics does the U.S. National Security Agency (NSA) Cryptographer Exam exam cover?
- A: Questions in our U.S. National Security Agency (NSA) Cryptographer Exam bank cluster around cryptography, symmetric, hashing, algorithm, attack, digital and example. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for U.S. National Security Agency (NSA) Cryptographer Exam?
- A: Work through the U.S. National Security Agency (NSA) Cryptographer Exam practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real U.S. National Security Agency (NSA) Cryptographer Exam exam questions?
- A: They are drawn from officially released past questions and from community members who have sat U.S. National Security Agency (NSA) Cryptographer Exam. Answers are verified and updated weekly.
- Q5: Where do I register for the U.S. National Security Agency (NSA) Cryptographer Exam exam?
- A: Register through US Federal directly. Exampractice is not affiliated with US Federal and does not administer the exam.
- Q6: Is there a free U.S. National Security Agency (NSA) Cryptographer Exam sample?
- A: Yes. Every U.S. National Security Agency (NSA) Cryptographer Exam page shows a free sample of real questions. Upgrading opens the full bank and the practice test.