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Project Technician Network Administration

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

1. Which device connects different networks together?

a)

Hub

b)

Switch

c)

Router

d)

Repeater

2.

2. What is the default port number for HTTP?

a)

443

b)

21

c)

80

d)

22

3.

3. Which of the following is a private IP address?

a)

192.168.1.1

b)

172.32.0.1

c)

8.8.8.8

d)

1.1.1.1

4.

4. Which layer of the OSI model is responsible for routing?

a)

Data Link

b)

Network

c)

Transport

d)

Session

5.

5. What does DHCP stand for?

a)

Dynamic Host Control Protocol

b)

Domain Host Configuration Protocol

c)

Dynamic Host Configuration Protocol

d)

Domain Handling Control Protocol

6.

6. What command is used to check network connectivity in Windows?

a)

ping

b)

netstat

c)

ipconfig

d)

tracert

7.

7. Which protocol is used to securely log into a remote server?

a)

FTP

b)

Telnet

c)

SSH

d)

SNMP

8.

8. What is the default subnet mask for a Class C IP address?

a)

255.255.0.0

b)

255.255.255.0

c)

255.0.0.0

d)

255.255.255.255

9.

9. Which tool displays all current TCP/IP network connections in Windows?

a)

ping

b)

ipconfig

c)

netstat

d)

tracert

10.

10. What is the maximum length of a CAT6 Ethernet cable?

a)

50 meters

b)

100 meters

c)

200 meters

d)

500 meters

11.

11. Which of the following is a Layer 2 device?

a)

Router

b)

Switch

c)

Hub

d)

Firewall

12.

12. The primary purpose of DNS is to:

a)

Assign IP addresses

b)

Translate domain names to IP addresses

c)

Transfer files

d)

Monitor bandwidth

13.

13. Which of the following is NOT a wireless security protocol?

a)

WEP

b)

WPA2

c)

WPA3

d)

FTP

14.

14. The loopback IP address is:

a)

127.0.0.1

b)

192.168.0.1

c)

0.0.0.0

d)

255.255.255.255

15.

15. Which protocol is used to send email?

a)

FTP

b)

SMTP

c)

HTTP

d)

SNMP

16.

16. What type of cable is commonly used in LANs?

a)

Coaxial

b)

Fiber

c)

Twisted pair

d)

HDMI

17.

17. Which command is used to view the IP configuration on a Windows system?

a)

ipconfig

b)

ifconfig

c)

netstat

d)

config

18.

18. What is NAT used for?

a)

Routing

b)

Security

c)

IP Address Translation

d)

DNS resolution

19.

19. What does MAC stand for in networking?

a)

Media Access Control

b)

Manual Access Code

c)

Master Access Controller

d)

Multiple Area Connection

20.

20. Which device amplifies and retransmits signals in a network?

a)

Router

b)

Switch

c)

Repeater

d)

Firewall

21.

21. FTP is used for:

a)

Transferring files

b)

Sending emails

c)

Encrypting data

d)

Resolving DNS

22.

22. Which one is a Class A IP address?

a)

10.0.0.1

b)

192.168.1.1

c)

172.16.0.1

d)

224.0.0.1

23.

23. Which protocol is used for network time synchronization?

a)

SMTP

b)

NTP

c)

SNMP

d)

FTP

24.

24. What is the main function of a firewall?

a)

Connect networks

b)

Boost signals

c)

Block unauthorized access

d)

Assign IPs

25.

25. What is the default port for SSH?

a)

23

b)

22

c)

21

d)

25

26.

26. Which of the following topologies has a central node?

a)

Ring

b)

Mesh

c)

Bus

d)

Star

27.

27. What command is used to trace the path packets take to a destination?

a)

ipconfig

b)

ping

c)

tracert

d)

pathping

28.

28. Which layer of the OSI model ensures reliable data transmission?

a)

Data Link

b)

Network

c)

Transport

d)

Application

29.

29. Which of these is a valid IPv6 address?

a)

2001:0db8:85a3::8a2e:0370:7334

b)

192.168.1.256

c)

172.32.1.1

d)

255.255.255.256

30.

30. What is the main function of ARP?

a)

Assign IPs dynamically

b)

Resolve MAC address from IP

c)

Encrypt data packets

d)

Route packets

31.

31. Which one is not a function of the Data Link Layer?

a)

Framing

b)

MAC Addressing

c)

Routing

d)

Error Detection

32.

32. Which port is used by HTTPS?

a)

21

b)

23

c)

443

d)

53

33.

33. Which device can break up broadcast domains?

a)

Hub

b)

Switch

c)

Router

d)

Bridge

34.

34. Which command will release the current DHCP lease in Windows?

a)

ipconfig /renew

b)

ipconfig /flushdns

c)

ipconfig /release

d)

ipconfig /dns

35.

35. What protocol is used to access web pages securely?

a)

FTP

b)

HTTPS

c)

HTTP

d)

SMTP

36.

36. Which address is used to uniquely identify a network interface card?

a)

IP address

b)

DNS name

c)

MAC address

d)

Subnet mask

37.

37. The OSI model has how many layers?

a)

5

b)

6

c)

7

d)

4

38.

38. Which of the following can detect and prevent intrusions?

a)

IDS

b)

VPN

c)

Proxy

d)

DHCP

39.

39. The process of hiding internal IP addresses is called:

a)

Routing

b)

Tunneling

c)

NAT

d)

DNS

40.

40. What does ICMP stand for?

a)

Internet Control Message Protocol

b)

Internal Communication Management Protocol

c)

Interconnected Core Management Protocol

d)

Internet Configuration Management Protocol

41.

41. What is the primary function of a switch?

a)

Break collision domains

b)

Assign IP addresses

c)

Translate IP addresses

d)

Connect to the internet

42.

42. A Class B IP address has how many bits in the network portion?

a)

8

b)

16

c)

24

d)

32

43.

43. Which wireless standard operates at both 2.4 GHz and 5 GHz?

a)

802.11a

b)

802.11b

c)

802.11n

d)

802.11g

44.

44. Which command helps in DNS resolution testing?

a)

ipconfig

b)

tracert

c)

nslookup

d)

netstat

45.

45. What is a VLAN used for?

a)

Creating subnets

b)

Creating isolated broadcast domains

c)

Encrypting LAN traffic

d)

Assigning IP addresses

46.

46. Which of the following is a fiber optic connector?

a)

RJ45

b)

SC

c)

BNC

d)

F-type

47.

47. Which layer handles encryption and compression?

a)

Transport

b)

Network

c)

Presentation

d)

Data Link

48.

48. What is the purpose of a proxy server?

a)

Speed up Internet browsing

b)

Filter web content

c)

Provide anonymity

d)

All of the above

49.

49. Which of these is a command-line packet analyzer?

a)

Wireshark

b)

tcpdump

c)

NetLimiter

d)

BitMeter

50.

50. In IPv4, how many bits are used for addressing?

a)

16

b)

32

c)

64

d)

128

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