https://blog.it-learn.io/tags/sy0-701/Recent content in Sy0-701 on it-learn.io | IT, Networking & Cybersecurity BlogHugoen-usSat, 13 Jun 2026 00:00:00 +0000https://blog.it-learn.io/posts/2026-06-13-security-plus-acronyms-ranked/Sat, 13 Jun 2026 00:00:00 +0000it-learn.iohttps://blog.it-learn.io/posts/2026-06-13-security-plus-acronyms-ranked/<p>The official Security+ SY0-701 acronym list has 200+ entries. You don&rsquo;t need all 200. You need about 60 — the ones that actually appear on the exam in 80% of questions.</p> <p>Here they are, ranked by exam frequency and grouped by domain. Came from the <a href="https://study.it-learn.io">IG reel</a>? Scroll to the list and start drilling.</p> <h2 id="tier-1--memorize-cold-the-30-that-appear-in-every-exam">Tier 1 — Memorize cold (the 30 that appear in every exam)</h2> <p>These show up in 60+% of questions. If you can&rsquo;t recall any of these in under 5 seconds — both directions — keep studying.</p>https://blog.it-learn.io/posts/2026-06-13-security-plus-crypto-decoder/Sat, 13 Jun 2026 00:00:00 +0000it-learn.iohttps://blog.it-learn.io/posts/2026-06-13-security-plus-crypto-decoder/<p>The crypto domain is where most Security+ candidates lose points. Not because the math is hard — the math isn&rsquo;t even on the exam — but because the textbook teaches it as algorithm memorization when the exam tests use-case decisions.</p> <p>Came from the <a href="https://study.it-learn.io">IG reel</a>? Scroll straight to the decoder. The whole crypto domain fits on one page.</p> <h2 id="the-decoder--three-columns-one-decision">The decoder — three columns, one decision</h2> <table> <thead> <tr> <th></th> <th><strong>Symmetric</strong></th> <th><strong>Asymmetric</strong></th> <th><strong>Hashing</strong></th> </tr> </thead> <tbody> <tr> <td><strong>Keys</strong></td> <td>1 shared key</td> <td>2 keys (public + private)</td> <td>No key</td> </tr> <tr> <td><strong>Reversible?</strong></td> <td>Yes (with key)</td> <td>Yes (with private key)</td> <td><strong>No — one-way</strong></td> </tr> <tr> <td><strong>Speed</strong></td> <td>Fast ⚡</td> <td>Slow (100–1000×)</td> <td>Fast ⚡</td> </tr> <tr> <td><strong>Used for</strong></td> <td>Bulk data encryption</td> <td>Key exchange + digital signatures</td> <td>Integrity + password storage</td> </tr> <tr> <td><strong>Common algos</strong></td> <td>AES, ChaCha20, 3DES (deprecated)</td> <td>RSA, ECC, Diffie-Hellman, ECDH</td> <td>SHA-256, SHA-3, bcrypt, Argon2</td> </tr> <tr> <td><strong>Key/output size</strong></td> <td>128 / 192 / <strong>256</strong> bit</td> <td>2048 / <strong>3072 / 4096</strong> bit (RSA); <strong>256+</strong> (ECC)</td> <td>256 / 384 / 512 bit</td> </tr> </tbody> </table> <p><strong>The single rule:</strong> <em>use asymmetric to exchange a symmetric key, then switch to symmetric for the bulk data.</em> That&rsquo;s TLS in one sentence. That&rsquo;s HTTPS in one sentence. That&rsquo;s how every secure messaging app works.</p>