Net+ N10-008 Study Guide UPDATED ACTUAL Questions and
CORRECT Answers
1. Layer 1 - Physical Layer • The physics of the network
• Signaling, cabling, connectors
• This layer isn't about protocols
• Fix your cabling, punch-downs, etc.
• Run loopback tests, test/replace cables,
swap adapter cards
2. Layer 2 - Data Link Layer "switching" layer
MAC address on Ethernet
3. Layer 3 - Network Layer "routing" layer
IP
4. Layer 4 - Transport Layer "post oflce" layer
TCP/UDP
5. Layer 5 - Session Layer Start, stop, restart
Half/full duplex
Control protocols, tunneling protocols
6. Layer 6 - Presentation Layer Encryption
Often combined with another layer
7. Layer 7 - Application Layer layer we see
HTTP, FTP, DNS, POP3
8. Protocol Data Unit PDU
9. What is the first encapsulation or head- TCP header
er of Application Data (Layers 5, 6, 7)
hint: layer 4
10. What is the second encapsulation or IP header
header of Application Data (Layers 5, 6,
1/3
CORRECT Answers
1. Layer 1 - Physical Layer • The physics of the network
• Signaling, cabling, connectors
• This layer isn't about protocols
• Fix your cabling, punch-downs, etc.
• Run loopback tests, test/replace cables,
swap adapter cards
2. Layer 2 - Data Link Layer "switching" layer
MAC address on Ethernet
3. Layer 3 - Network Layer "routing" layer
IP
4. Layer 4 - Transport Layer "post oflce" layer
TCP/UDP
5. Layer 5 - Session Layer Start, stop, restart
Half/full duplex
Control protocols, tunneling protocols
6. Layer 6 - Presentation Layer Encryption
Often combined with another layer
7. Layer 7 - Application Layer layer we see
HTTP, FTP, DNS, POP3
8. Protocol Data Unit PDU
9. What is the first encapsulation or head- TCP header
er of Application Data (Layers 5, 6, 7)
hint: layer 4
10. What is the second encapsulation or IP header
header of Application Data (Layers 5, 6,
1/3