1. Which network device operates at Layer 3 of the OSI model?
Router
Switch
Hub
Repeater
✅ Correct Answer: Router
2. What is the purpose of a subnet mask?
To define the network and host portions of an IP address
To encrypt network traffic
To manage hardware resources
To run applications
✅ Correct Answer: To define the network and host portions of an IP address
3. Which protocol is used for secure communication over the internet?
HTTPS
HTTP
FTP
DNS
✅ Correct Answer: HTTPS
4. What is the purpose of a firewall?
To block unauthorized access to a network
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To block unauthorized access to a network
5. Which type of network topology connects all devices to a central hub?
Star
Bus
Ring
Mesh
✅ Correct Answer: Star
6. What is the purpose of a DNS server?
To translate domain names into IP addresses
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To translate domain names into IP addresses
7. Which protocol is used for sending emails?
SMTP
HTTP
FTP
DNS
✅ Correct Answer: SMTP
8. What is the purpose of a VPN?
To create a secure connection over the internet
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To create a secure connection over the internet
9. Which type of cable is used for high-speed data transfer?
Fiber Optic
Coaxial
Twisted Pair
USB
✅ Correct Answer: Fiber Optic
10. What is the purpose of a switch in a network?
To connect devices within a LAN and forward data
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To connect devices within a LAN and forward data
11. Which protocol is used for dynamic IP address assignment?
DHCP
DNS
FTP
HTTP
✅ Correct Answer: DHCP
12. What is the purpose of a proxy server?
To act as an intermediary for requests from clients
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To act as an intermediary for requests from clients
13. Which protocol is used for file transfer?
FTP
HTTP
DNS
SMTP
✅ Correct Answer: FTP
14. What is the purpose of a gateway in a network?
To connect different networks and route traffic
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To connect different networks and route traffic
15. Which protocol is used for secure remote access?
SSH
HTTP
FTP
DNS
✅ Correct Answer: SSH
16. What is the purpose of a MAC address?
To uniquely identify a device on a network
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To uniquely identify a device on a network
17. Which protocol is used for network time synchronization?
NTP
HTTP
FTP
DNS
✅ Correct Answer: NTP
18. What is the purpose of a VLAN?
To segment a network into smaller logical networks
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To segment a network into smaller logical networks
19. Which protocol is used for network management?
SNMP
HTTP
FTP
DNS
✅ Correct Answer: SNMP
20. What is the purpose of a WAP (Wireless Access Point)?
To provide wireless network access
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To provide wireless network access
21. Which protocol is used for secure file transfer?
SFTP
HTTP
FTP
DNS
✅ Correct Answer: SFTP
22. What is the purpose of ARP (Address Resolution Protocol)?
To map IP addresses to MAC addresses
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To map IP addresses to MAC addresses
23. Which network device operates at Layer 2 of the OSI model?
Switch
Router
Hub
Repeater
✅ Correct Answer: Switch
24. What is the purpose of a default gateway?
To route traffic between different networks
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To route traffic between different networks
25. Which type of network topology connects all devices in a single line?
Bus
Star
Ring
Mesh
✅ Correct Answer: Bus
26. What is the purpose of ICMP (Internet Control Message Protocol)?
To send error and diagnostic messages
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To send error and diagnostic messages
27. Which protocol is used for secure remote shell access?
SSH
HTTP
FTP
DNS
✅ Correct Answer: SSH
28. What is the purpose of a VLAN (Virtual Local Area Network)?
To segment a network into smaller logical networks
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To segment a network into smaller logical networks
29. Which protocol is used for email retrieval?
IMAP
HTTP
FTP
DNS
✅ Correct Answer: IMAP
30. What is the purpose of a load balancer?
To distribute network traffic across multiple servers
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To distribute network traffic across multiple servers
31. Which protocol is used for real-time communication (e.g., VoIP)?
SIP
HTTP
FTP
DNS
✅ Correct Answer: SIP
32. What is the purpose of a DMZ (Demilitarized Zone)?
To provide a secure buffer between internal and external networks
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To provide a secure buffer between internal and external networks
33. Which protocol is used for network time synchronization?
NTP
HTTP
FTP
DNS
✅ Correct Answer: NTP
34. What is the purpose of port forwarding?
To redirect traffic from one port to another
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To redirect traffic from one port to another
35. Which protocol is used for network management?
SNMP
HTTP
FTP
DNS
✅ Correct Answer: SNMP
36. What is the purpose of a MAC address table in a switch?
To map MAC addresses to switch ports
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To map MAC addresses to switch ports
37. Which protocol is used for secure web browsing?
HTTPS
HTTP
FTP
DNS
✅ Correct Answer: HTTPS
38. What is the purpose of QoS (Quality of Service)?
To prioritize certain types of network traffic
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To prioritize certain types of network traffic
39. Which type of cable is commonly used for Ethernet networks?
Twisted Pair
Coaxial
Fiber Optic
USB
✅ Correct Answer: Twisted Pair
40. What is the purpose of a subnet?
To divide a larger network into smaller networks
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To divide a larger network into smaller networks
41. Which protocol is used for automatic IP address configuration?
DHCP
DNS
FTP
HTTP
✅ Correct Answer: DHCP
42. What is the purpose of a packet sniffer?
To capture and analyze network traffic
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To capture and analyze network traffic
43. Which protocol is used for secure email transmission?
SMTPS
HTTP
FTP
DNS
✅ Correct Answer: SMTPS
44. What is the purpose of a network tap?
To monitor network traffic
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To monitor network traffic
45. Which protocol is used for secure DNS queries?
DNSSEC
HTTP
FTP
SMTP
✅ Correct Answer: DNSSEC
46. What is the purpose of a honeypot?
To detect and study hacking attempts
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To detect and study hacking attempts
47. Which protocol is used for file sharing in Windows networks?
SMB
HTTP
FTP
DNS
✅ Correct Answer: SMB
48. What is the purpose of a network bridge?
To connect two network segments
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To connect two network segments
49. Which protocol is used for remote desktop access?
RDP
HTTP
FTP
DNS
✅ Correct Answer: RDP
50. What is the purpose of a network firewall?
To filter incoming and outgoing network traffic
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To filter incoming and outgoing network traffic
51. Which protocol is used for network address translation?
NAT
HTTP
FTP
DNS
✅ Correct Answer: NAT
52. What is the purpose of a wireless controller?
To manage multiple access points
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To manage multiple access points
53. Which protocol is used for secure VPN connections?
IPsec
HTTP
FTP
DNS
✅ Correct Answer: IPsec
54. What is the purpose of a network IDS?
To detect potential security breaches
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To detect potential security breaches
55. Which protocol is used for network time protocol?
NTP
HTTP
FTP
DNS
✅ Correct Answer: NTP
56. What is the purpose of a network IPS?
To prevent detected security breaches
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To prevent detected security breaches
57. Which protocol is used for network monitoring?
SNMP
HTTP
FTP
DNS
✅ Correct Answer: SNMP
58. What is the purpose of a network proxy?
To act as an intermediary for client requests
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To act as an intermediary for client requests
59. Which protocol is used for network file system access?
NFS
HTTP
FTP
DNS
✅ Correct Answer: NFS
60. What is the purpose of a network gateway?
To connect different networks
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To connect different networks
61. Which protocol is used for network authentication?
RADIUS
HTTP
FTP
DNS
✅ Correct Answer: RADIUS
62. What is the purpose of a network repeater?
To regenerate network signals
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To regenerate network signals
63. Which protocol is used for network address assignment?
DHCP
DNS
FTP
HTTP
✅ Correct Answer: DHCP
64. What is the purpose of a network analyzer?
To troubleshoot network problems
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To troubleshoot network problems
65. Which protocol is used for network file transfers?
FTP
HTTP
DNS
SMTP
✅ Correct Answer: FTP
66. What is the purpose of a network hub?
To connect multiple network devices
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To connect multiple network devices
67. Which protocol is used for network directory services?
LDAP
HTTP
FTP
DNS
✅ Correct Answer: LDAP
68. What is the purpose of a network modem?
To convert digital signals to analog and vice versa
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To convert digital signals to analog and vice versa
69. Which protocol is used for network printing?
IPP
HTTP
FTP
DNS
✅ Correct Answer: IPP
70. What is the purpose of a network TAP?
To monitor network traffic
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To monitor network traffic
71. Which protocol is used for network time synchronization?
NTP
HTTP
FTP
DNS
✅ Correct Answer: NTP
72. What is the purpose of a network load balancer?
To distribute network traffic across multiple servers
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To distribute network traffic across multiple servers
73. Which protocol is used for network authentication?
Kerberos
HTTP
FTP
DNS
✅ Correct Answer: Kerberos
74. What is the purpose of a network proxy server?
To act as an intermediary for client requests
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To act as an intermediary for client requests
75. Which protocol is used for network file sharing?
SMB
HTTP
FTP
DNS
✅ Correct Answer: SMB
76. What is the purpose of a network firewall?
To filter incoming and outgoing network traffic
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To filter incoming and outgoing network traffic
77. Which protocol is used for network address translation?
NAT
HTTP
FTP
DNS
✅ Correct Answer: NAT
78. What is the purpose of a network IDS?
To detect potential security breaches
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To detect potential security breaches
79. Which protocol is used for network management?
SNMP
HTTP
FTP
DNS
✅ Correct Answer: SNMP
80. What is the purpose of a network gateway?
To connect different networks
To store user data
To manage hardware resources
To run applications
✅ Correct Answer: To connect different networks
81. Which protocol is used for network authentication?
TACACS+
HTTP
FTP
DNS
✅ Correct Answer: TACACS+
82. What is the purpose of a network repeater?
To regenerate network signals
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To regenerate network signals
83. Which protocol is used for network address assignment?
DHCP
DNS
FTP
HTTP
✅ Correct Answer: DHCP
84. What is the purpose of a network analyzer?
To troubleshoot network problems
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To troubleshoot network problems
85. Which protocol is used for network file transfers?
TFTP
HTTP
DNS
SMTP
✅ Correct Answer: TFTP
86. What is the purpose of a network hub?
To connect multiple network devices
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To connect multiple network devices
87. Which protocol is used for network directory services?
LDAP
HTTP
FTP
DNS
✅ Correct Answer: LDAP
88. What is the purpose of a network modem?
To convert digital signals to analog and vice versa
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To convert digital signals to analog and vice versa
89. Which protocol is used for network printing?
LPD
HTTP
FTP
DNS
✅ Correct Answer: LPD
90. What is the purpose of a network TAP?
To monitor network traffic
To encrypt data
To manage hardware resources
To run applications
✅ Correct Answer: To monitor network traffic
The CompTIA_N10_008_Network_Plus certification is a globally recognized credential for IT professionals.
This practice test helps you prepare by covering key topics like hardware, networking, troubleshooting, and security.
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