Network+ N10-008 UPDATED ACTUAL Questions and CORRECT
Answers
1. Telnet tcp/23 - Unencrypted remote communication
2. SSH - Secure Shell tcp/22 - Encrypted communication link
3. DNS - Domain Name System udp/53 - Converts names to IP addresses
4. SMTP - Simple Mail Transfer Pro- tcp/25 - serv-to-serv email transfer / send email
tocol
5. SFTP - Secure FTP tcp/22 - SSH File Transfer Protocol
6. FTP - File Transfer Protocol tcp/20 (active mode data), tcp/21 (control) - transfer files
between systems with authentication
7. TFTP - Trivial FTP udp/69 - file transfer w/o authentication or encryption
8. DHCP - Dynamic Host Configura- udp/67, udp/68 - Automated config of IP address, subnet
tion Protocol mask and other options
9. HTTP - Hypertext Transfer Proto- tcp/80 - communication in browser and other applica-
col tions
10. HTTPS - HTTP Secure tcp/443 - secure communication in browser
11. SNMP - SImple Network Manage- udp/161 - gather data from network devices
ment Protocol
12. SNMP Trap tcp/162, udp/162 - notification sent from SNMP agent to
SNMP manager
13. RDP - Remote Desktop Protocol tcp/3389 - share desktop remotely
14. NTP - Network Time Protocol udp/123 - Sync clocks between devices
15. SIP - Session Initiation Protocol tcp/5060, tcp/5061 - Setup and manage VoIP sessions
, Network+ N10-008 UPDATED ACTUAL Questions and CORRECT
Answers
16. SMB - Server Message Block tcp/445 - file sharing/printer sharing Windows
17. POP3 - Post Office Protocol ver- tcp/110 - basic mail transfer
sion 3
18. IMAP - Internet Message Access tcp/143 - Includes management of email inbox from mul-
Protocol v4 tiple clients
19. LDAP - Lightweight Directory Ac- tcp/389 - Store and retrieve info in a network directory
cess Protocol
20. LDAPS - LDAP Secure tcp/636 - non-standard LDAP over SSL
21. H.323 - H.32x protocol tcp/1720 - VoIP setup and management
22. MGCP - Media Gateway Control udp/2427, udp/2727 - Call control for VoIP
Protocol
23. NetBIOS - Network Basic In- tcp/139, udp/137, udp/138 - Network communication
put/Output System servers for LANs that use NetBIOS
24. NNTP - Network New Transport tcp/119 - posting and reading articles on Usenet news
Protocol servers
25. rsh - Remote Shell tcp/514 - execute commands on computer from remote
user
26. RTP - Real-time Transport Proto- tcp/5004,5005 udp/5004,5005 - Deliver media-based
col data
27. RTSP - Real-time Streaming Pro- tcp/554, udp/554 - communicates w/ media server and
tocol controls playback of media files
28. Layer 1 Physical: electrical signaling, cabling, connectors (Cable,
NIC, Hub)
, Network+ N10-008 UPDATED ACTUAL Questions and CORRECT
Answers
29. Layer 2 Data Link: switching layer (Frame, MAC address, EUI-48,
EUI-64, Switch)
30. Layer 3 Network: routing layer (IP address, router, packet)
31. Layer 4 Transport: "post oflce" later (TCP segment, UDP data-
gram)
32. Layer 5 Session: communication between devices (Control proto-
cols, tunneling protocols)
33. Layer 6 Presentation: encoding and encryption (SSL/TLS)
34. Layer 7 Application: layer we see (HTTP, FTP, DNS, POP3)
35. CSMA/CD - Carrier Sense Multiple Senses data across multiple devices on network to detect
Access / Collision Detect when two stations talk at once - Half-duplex Ethernet
36. CSMA/CA - CSMA / Collision Wireless (Ready To Send - Clear To Send)
Avoidance
37. STP - Spanning Tree Protocol Prevent loops in switch
38. 10BASE5 Coax (thicknet) - 10Mbps, 500 m
39. 10BASE2 Coax (thinnet) - 10Mbps, 185 m
40. 10BASE-T Cat 3 UTP - 10Mbps, 100 m
A 10BASE-T denotes an early implementation that works
at 10 Mbps (10), uses a baseband signal (BASE), and runs
over twisted pair copper cabling (-T).
41. 100BASE-TX
Answers
1. Telnet tcp/23 - Unencrypted remote communication
2. SSH - Secure Shell tcp/22 - Encrypted communication link
3. DNS - Domain Name System udp/53 - Converts names to IP addresses
4. SMTP - Simple Mail Transfer Pro- tcp/25 - serv-to-serv email transfer / send email
tocol
5. SFTP - Secure FTP tcp/22 - SSH File Transfer Protocol
6. FTP - File Transfer Protocol tcp/20 (active mode data), tcp/21 (control) - transfer files
between systems with authentication
7. TFTP - Trivial FTP udp/69 - file transfer w/o authentication or encryption
8. DHCP - Dynamic Host Configura- udp/67, udp/68 - Automated config of IP address, subnet
tion Protocol mask and other options
9. HTTP - Hypertext Transfer Proto- tcp/80 - communication in browser and other applica-
col tions
10. HTTPS - HTTP Secure tcp/443 - secure communication in browser
11. SNMP - SImple Network Manage- udp/161 - gather data from network devices
ment Protocol
12. SNMP Trap tcp/162, udp/162 - notification sent from SNMP agent to
SNMP manager
13. RDP - Remote Desktop Protocol tcp/3389 - share desktop remotely
14. NTP - Network Time Protocol udp/123 - Sync clocks between devices
15. SIP - Session Initiation Protocol tcp/5060, tcp/5061 - Setup and manage VoIP sessions
, Network+ N10-008 UPDATED ACTUAL Questions and CORRECT
Answers
16. SMB - Server Message Block tcp/445 - file sharing/printer sharing Windows
17. POP3 - Post Office Protocol ver- tcp/110 - basic mail transfer
sion 3
18. IMAP - Internet Message Access tcp/143 - Includes management of email inbox from mul-
Protocol v4 tiple clients
19. LDAP - Lightweight Directory Ac- tcp/389 - Store and retrieve info in a network directory
cess Protocol
20. LDAPS - LDAP Secure tcp/636 - non-standard LDAP over SSL
21. H.323 - H.32x protocol tcp/1720 - VoIP setup and management
22. MGCP - Media Gateway Control udp/2427, udp/2727 - Call control for VoIP
Protocol
23. NetBIOS - Network Basic In- tcp/139, udp/137, udp/138 - Network communication
put/Output System servers for LANs that use NetBIOS
24. NNTP - Network New Transport tcp/119 - posting and reading articles on Usenet news
Protocol servers
25. rsh - Remote Shell tcp/514 - execute commands on computer from remote
user
26. RTP - Real-time Transport Proto- tcp/5004,5005 udp/5004,5005 - Deliver media-based
col data
27. RTSP - Real-time Streaming Pro- tcp/554, udp/554 - communicates w/ media server and
tocol controls playback of media files
28. Layer 1 Physical: electrical signaling, cabling, connectors (Cable,
NIC, Hub)
, Network+ N10-008 UPDATED ACTUAL Questions and CORRECT
Answers
29. Layer 2 Data Link: switching layer (Frame, MAC address, EUI-48,
EUI-64, Switch)
30. Layer 3 Network: routing layer (IP address, router, packet)
31. Layer 4 Transport: "post oflce" later (TCP segment, UDP data-
gram)
32. Layer 5 Session: communication between devices (Control proto-
cols, tunneling protocols)
33. Layer 6 Presentation: encoding and encryption (SSL/TLS)
34. Layer 7 Application: layer we see (HTTP, FTP, DNS, POP3)
35. CSMA/CD - Carrier Sense Multiple Senses data across multiple devices on network to detect
Access / Collision Detect when two stations talk at once - Half-duplex Ethernet
36. CSMA/CA - CSMA / Collision Wireless (Ready To Send - Clear To Send)
Avoidance
37. STP - Spanning Tree Protocol Prevent loops in switch
38. 10BASE5 Coax (thicknet) - 10Mbps, 500 m
39. 10BASE2 Coax (thinnet) - 10Mbps, 185 m
40. 10BASE-T Cat 3 UTP - 10Mbps, 100 m
A 10BASE-T denotes an early implementation that works
at 10 Mbps (10), uses a baseband signal (BASE), and runs
over twisted pair copper cabling (-T).
41. 100BASE-TX