🗒 Cheat Sheet← Lesson
BitWithBite
CCNA Networking Worksheet

🌐 Application Layer

Chapter: CCNA Networking · Level ★★☆ · Time: 30 min
SCORE___ / 20
NameClassDate
After this worksheet you can
Client-server vs P2PHTTP/HTTPS, DNS, DHCPEmail protocolsFile services
📚 Quick Recap

🎯 What you'll learn: The Application, Presentation, and Session layers and how they work together, peer-to-peer networking, core web and email protocols (HTTP/HTTPS, SMTP/IMAP/POP3), DNS name resolution, DHCP address assignment, and FTP/file-sharing services.

🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4

1Web pages transfer over:
2Names to IPs is:
3Automatic IP assignment is:
4Sending mail between servers uses:

🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11

5HTTPS adds via TLS.
6DHCP's four steps: Discover, Offer, , Ack.
7Trace what happens typing bitwithbite.com in a browser.
8DORA - expand it.
9IMAP vs POP3 for multi-device users?

🚀 Section C · Challenge ● CHALLENGE 5

10Why is DNS called the internet's phonebook?
💭 Reflection — the most useful thing I learned:
A ___/4   B ___/11   C ___/5   Total ___/20 Teacher's Signature Parent's Signature
✂ answer key — fold or cut before handing out

1-A   2-A   3-A   4-A  |  5 encryption   6 Request   7 = DNS lookup - TCP/TLS connect - HTTP GET - server responds - render   8 = Discover, Offer, Request, Acknowledge (DHCP lease)   9 = IMAP - mail stays synced on the server  |  10 = It translates human names into machine IP addresses

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⬇ Worksheet PDF 🗒 Cheat Sheet