Microsoft Networking Essentials Exam Network Protocols & Standards 1 — Questions and Answers
Question 1: Which protocol is used to automatically assign IP addresses to devices on a network?
- DHCP (Correct answer)
- DNS
- FTP
- SMTP
Correct answer: DHCP
DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses and other network configuration parameters to devices on a network.
Question 2: At which OSI layer does the TCP protocol operate?
- Network Layer (Layer 3)
- Transport Layer (Layer 4) (Correct answer)
- Data Link Layer (Layer 2)
- Session Layer (Layer 5)
Correct answer: Transport Layer (Layer 4)
TCP (Transmission Control Protocol) operates at the Transport Layer (Layer 4) of the OSI model, providing reliable, connection-oriented communication.
Question 3: Which protocol resolves domain names to IP addresses?
- WINS
- ARP
- DNS (Correct answer)
- RARP
Correct answer: DNS
DNS (Domain Name System) translates human-readable domain names (like www.example.com) into numerical IP addresses.
Question 4: What port does HTTPS use by default?
- 80
- 21
- 443 (Correct answer)
- 8080
Correct answer: 443
HTTPS (Hypertext Transfer Protocol Secure) uses port 443 by default to provide encrypted web communication.
Question 5: Which protocol is used to send email from a client to a mail server?
- IMAP
- POP3
- SMTP (Correct answer)
- HTTP
Correct answer: SMTP
SMTP (Simple Mail Transfer Protocol) is the standard protocol used for sending email messages from clients to mail servers and between mail servers.
Question 6: What is the purpose of the ARP protocol?
- Assigns IP addresses dynamically
- Resolves IP addresses to MAC addresses (Correct answer)
- Routes packets between networks
- Encrypts network traffic
Correct answer: Resolves IP addresses to MAC addresses
ARP (Address Resolution Protocol) maps a known IP address to a MAC (physical) address on a local network segment.
Microsoft Networking Essentials Exam Network Protocols & Standards 1
Which protocol is used to automatically assign IP addresses to devices on a network?