NFAT MSc Cybersecurity:Set -1 | NFAT Mock Test
1. What is the primary scope of a Local Area Network (LAN)?
A) Connects devices across multiple cities
B) Connects devices within a small area like an office or home
C) Covers an entire city
D) Connects personal devices within 10 meters
2. Which technology is commonly used for wireless LANs?
A) MPLS
B) Leased Lines
C) Wi-Fi
D) Satellite Links
3. What is the largest example of a Wide Area Network (WAN)?
A) The Internet
B) A school network
C) A city-wide Wi-Fi network
D) A smartwatch connection
4. Which network type typically spans 10-50 km?
A) LAN
B) WAN
C) PAN
D) MAN
5. Which technology is NOT typically used in a Personal Area Network (PAN)?
A) Bluetooth
B) MPLS
C) NFC
D) USB
6. What is the maximum speed typically offered by modern Ethernet LANs?
A) 2 Mbps
B) 512 Kbps
C) 10 Gbps
D) 100 Mbps
7. Which topology is commonly used in LANs?
A) Star
B) Grid
C) Spiral
D) Cluster
8. What is a key advantage of a WAN?
A) Low power consumption
B) Limited to small areas
C) High latency
D) Global connectivity
9. Which network type would a city-wide Wi-Fi network be classified as?
A) LAN
B) MAN
C) PAN
D) WAN
10. What is an example of a PAN?
A) A multinational corporation network
B) A city-wide cable TV network
C) A smartwatch connected to a phone
D) The Internet
11. How many layers are there in the OSI model?
A) 7
B) 4
C) 5
D) 8
12. Which OSI layer is responsible for physical connections?
A) Data Link Layer
B) Physical Layer
C) Network Layer
D) Transport Layer
13. Which device operates at the Physical Layer?
A) Router
B) Switch
C) Hub
D) Firewall
14. What is the main function of the Data Link Layer?
A) Reliable data transfer with error detection
B) Routing packets across networks
C) Encrypting data for security
D) Managing sessions between applications
15. Which protocol operates at the Data Link Layer?
A) IP
B) TCP
C) HTTP
D) Ethernet
16. What does the Network Layer primarily handle?
A) Physical connections
B) Routing and logical addressing
C) Data encryption
D) Session management
17. Which device operates at the Network Layer?
A) Router
B) Switch
C) Hub
D) Access Point
18. Which protocol is used for reliable data transfer at the Transport Layer?
A) UDP
B) ICMP
C) TCP
D) HTTP
19. What is the purpose of the Session Layer?
A) Encrypts data
B) Routes packets
C) Transmits raw bitstreams
D) Manages communication sessions
20. Which layer is responsible for data encryption and compression?
A) Application Layer
B) Presentation Layer
C) Transport Layer
D) Network Layer
21. Which protocol operates at the Application Layer?
A) HTTP
B) ARP
C) ICMP
D) PPP
22. How many layers are there in the TCP/IP model?
A) 7
B) 4
C) 5
D) 6
23. Which TCP/IP layer combines the OSI Physical and Data Link layers?
A) Application Layer
B) Transport Layer
C) Link Layer
D) Internet Layer
24. Which protocol is used for resolving IP addresses to MAC addresses?
A) DNS
B) DHCP
C) ICMP
D) ARP
25. What is the structure of an IPv4 address?
A) 32 bits, 4 octets
B) 128 bits, hexadecimal
C) 64 bits, 8 octets
D) 16 bits, binary
26. What is a key advantage of IPv6 over IPv4?
A) Smaller address space
B) Virtually unlimited IP addresses
C) Slower routing efficiency
D) No encryption support
27. What does subnetting do?
A) Combines multiple networks
B) Reduces network security
C) Divides a larger network into smaller sub-networks
D) Increases routing table size
28. What is the purpose of supernetting?
A) Increases routing complexity
B) Divides networks into smaller subnets
C) Encrypts network traffic
D) Combines smaller networks into a larger network
29. Which protocol is used for secure web browsing?
A) HTTPS
B) HTTP
C) FTP
D) SMTP
30. What is the port number for FTP control?
A) 25
B) 21
C) 80
D) 143
31. Which protocol is used for sending emails?
A) POP3
B) IMAP
C) SMTP
D) DNS
32. Which protocol allows accessing emails from multiple devices?
A) SMTP
B) FTP
C) POP3
D) IMAP
33. Which protocol is connection-oriented and reliable?
A) TCP
B) UDP
C) ICMP
D) ARP
34. Which protocol is used for domain name resolution?
A) DHCP
B) DNS
C) ARP
D) ICMP
35. Which protocol is used for dynamic IP assignment?
A) DNS
B) ARP
C) DHCP
D) FTP
36. Which protocol is used for network diagnostics (e.g., ping)?
A) HTTP
B) SMTP
C) DNS
D) ICMP
37. Which device directs packets between networks?
A) Router
B) Switch
C) Hub
D) Access Point
38. Which device connects devices within a LAN?
A) Router
B) Switch
C) Firewall
D) Proxy Server
39. Which device broadcasts data to all connected devices?
A) Router
B) Switch
C) Hub
D) Access Point
40. Which device enables Wi-Fi connections?
A) Router
B) Switch
C) Hub
D) Access Point
41. What is the primary function of a firewall?
A) Filters network traffic
B) Assigns IP addresses
C) Routes packets
D) Connects LANs
42. What does a VPN do?
A) Assigns MAC addresses
B) Encrypts communication over public networks
C) Broadcasts data
D) Resolves domain names
43. What is the purpose of a proxy server?
A) Routes packets between networks
B) Connects devices in a LAN
C) Acts as an intermediary for security and performance
D) Assigns dynamic IPs
44. Which protocol uses SSL/TLS for secure data transfer?
A) HTTP
B) FTP
C) SMTP
D) HTTPS
45. Which layer of the OSI model handles MAC addresses?
A) Data Link Layer
B) Network Layer
C) Transport Layer
D) Application Layer
46. What is an example of a Class C IPv4 address?
A) 10.0.0.0
B) 192.168.0.0
C) 172.16.0.0
D) 2001:0db8::1
47. Which OSI layer is responsible for port numbers?
A) Network Layer
B) Data Link Layer
C) Transport Layer
D) Session Layer
48. Which protocol is used for file sharing in the Session Layer?
A) HTTP
B) FTP
C) DNS
D) SMB
49. What is the port number for HTTP?
A) 80
B) 21
C) 25
D) 143
50. Which layer of the TCP/IP model handles routing?
A) Link Layer
B) Internet Layer
C) Transport Layer
D) Application Layer
51. Which technology is used for high-speed data transmission in MANs?
A) Bluetooth
B) USB
C) Fiber Optics
D) Infrared
52. What is the scope of a PAN?
A) A city
B) A country
C) A campus
D) A personal space (10 meters)
53. Which protocol is used for error reporting in the Network Layer?
A) ICMP
B) TCP
C) UDP
D) HTTP
54. Which OSI layer converts data formats like JPEG or MPEG?
A) Application Layer
B) Presentation Layer
C) Session Layer
D) Transport Layer
55. What is an example of a WAN technology?
A) Wi-Fi
B) Bluetooth
C) MPLS
D) NFC
56. Which layer of the TCP/IP model includes DNS and HTTP?
A) Link Layer
B) Internet Layer
C) Transport Layer
D) Application Layer
57. What is the primary purpose of the OSI model?
A) Standardize communication between systems
B) Implement network hardware
C) Encrypt all network traffic
D) Assign IP addresses
58. Which protocol is used for real-time video streaming?
A) TCP
B) UDP
C) ICMP
D) ARP
59. Which network type has the highest speed potential?
A) PAN
B) WAN
C) LAN
D) MAN
60. What is the structure of an IPv6 address?
A) 32 bits, 4 octets
B) 64 bits, 8 octets
C) 16 bits, binary
D) 128 bits, hexadecimal
61. Which device is used to connect multiple LANs?
A) Router
B) Switch
C) Hub
D) Access Point
62. What is the port number for SMTP?
A) 80
B) 25
C) 21
D) 110
63. Which protocol is used for downloading emails?
A) SMTP
B) IMAP
C) POP3
D) FTP
64. Which layer of the OSI model provides user interface for network services?
A) Transport Layer
B) Network Layer
C) Presentation Layer
D) Application Layer
65. Which technology is used for wireless MANs?
A) WiMAX
B) Bluetooth
C) USB
D) Ethernet
66. What is the primary difference between OSI and TCP/IP models?
A) OSI is practical, TCP/IP is theoretical
B) OSI is theoretical, TCP/IP is practical
C) Both are theoretical
D) Both are practical
67. Which protocol is used for file transfers?
A) HTTP
B) SMTP
C) FTP
D) DNS
68. Which network type is cost-effective for small networks?
A) WAN
B) MAN
C) PAN
D) LAN
69. Which OSI layer uses CRC for error detection?
A) Data Link Layer
B) Network Layer
C) Transport Layer
D) Physical Layer
70. What is an example of a Class A IPv4 address?
A) 192.168.0.0
B) 10.0.0.0
C) 172.16.0.0
D) 2001:0db8::1
71. Which protocol is used in the Link Layer of the TCP/IP model?
A) HTTP
B) TCP
C) Ethernet
D) DNS
72. What is the port number for IMAP?
A) 25
B) 80
C) 110
D) 143
73. Which device is used to filter network traffic for security?
A) Firewall
B) Router
C) Switch
D) Hub
74. Which OSI layer synchronizes data streams?
A) Application Layer
B) Session Layer
C) Transport Layer
D) Network Layer
75. Which network type uses satellite links for remote connectivity?
A) LAN
B) MAN
C) WAN
D) PAN
76. Which protocol is used for web browsing?
A) FTP
B) SMTP
C) DNS
D) HTTP
77. What is the purpose of ARP?
A) Resolves IP addresses to MAC addresses
B) Assigns dynamic IPs
C) Encrypts data
D) Transfers files
78. Which layer of the TCP/IP model handles physical connections?
A) Internet Layer
B) Link Layer
C) Transport Layer
D) Application Layer
79. What is an example of a MAN?
A) A smartwatch-phone connection
B) The Internet
C) A university campus network
D) A home Wi-Fi network
80. Which OSI layer is responsible for breaking data into frames?
A) Physical Layer
B) Network Layer
C) Transport Layer
D) Data Link Layer
81. Which protocol is used for network routing?
A) OSPF
B) SMTP
C) FTP
D) DNS
82. Which network type has low power consumption?
A) WAN
B) PAN
C) MAN
D) LAN
83. Which OSI layer handles logical addressing?
A) Data Link Layer
B) Physical Layer
C) Network Layer
D) Session Layer
84. What is an example of a Presentation Layer standard?
A) Ethernet
B) TCP
C) IP
D) JPEG
85. Which protocol is used for reliable email transmission?
A) TCP
B) UDP
C) ICMP
D) ARP
86. What is the port number for POP3?
A) 25
B) 110
C) 143
D) 80
87. Which network type is used for a multinational corporation?
A) LAN
B) MAN
C) WAN
D) PAN
88. Which OSI layer manages sessions between applications?
A) Physical Layer
B) Data Link Layer
C) Network Layer
D) Session Layer
89. Which technology is used for wired LANs?
A) Ethernet
B) WiMAX
C) Bluetooth
D) NFC
90. What is the purpose of DHCP?
A) Resolves domain names
B) Assigns dynamic IP addresses
C) Encrypts data
D) Routes packets
91. Which OSI layer transmits raw bitstreams?
A) Data Link Layer
B) Network Layer
C) Physical Layer
D) Transport Layer
92. Which protocol is used for secure file transfers?
A) HTTP
B) SMTP
C) DNS
D) FTP with SSL/TLS
93. Which network type uses ring or mesh topologies for redundancy?
A) MAN
B) PAN
C) LAN
D) WAN
94. Which OSI layer is responsible for flow control?
A) Network Layer
B) Transport Layer
C) Session Layer
D) Application Layer
95. What is an example of a Class B IPv4 address?
A) 10.0.0.0
B) 192.168.0.0
C) 172.16.0.0
D) 2001:0db8::1
96. Which protocol is used in the Internet Layer of the TCP/IP model?
A) HTTP
B) TCP
C) UDP
D) IP
97. Which device is used for wireless connections in a LAN?
A) Access Point
B) Router
C) Switch
D) Hub
98. What is the purpose of subnetting?
A) Increases routing table size
B) Optimizes IP usage and isolates traffic
C) Combines multiple networks
D) Encrypts network traffic
99. Which protocol is used for synchronizing data streams?
A) HTTP
B) FTP
C) SMB
D) DNS
100. Which network type is used for cable TV networks in urban areas?
A) LAN
B) PAN
C) WAN
D) MAN
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