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Networking Devices and Protocols Quiz

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

Which of the following best describes how a hub forwards traffic?

a)

Directs traffic to the correct port based on MAC address

b)

Broadcasts traffic to all ports except the source

c)

Sends traffic only to the default gateway

d)

Encrypts traffic before forwarding

2.

A network administrator wants to reduce unnecessary network traffic by forwarding frames only to the intended destination. Which device should they use?

a)

Hub

b)

Switch

c)

Bridge

d)

Repeater

3.

Which two statements are true about managed switches? (Select two)

a)

They cannot be configured

b)

They support VLANs and QoS

c)

They allow remote management

d)

They always require stacking

4.

A rack-mounted switch differs from a desktop switch because:

a)

It requires fiber connections only

b)

It is designed to fit into networking racks

c)

It has built-in redundancy

d)

It only works with hubs

5.

Which switch feature allows multiple physical links to operate as a single logical connection for redundancy and increased bandwidth?

a)

Port mirroring

b)

Link aggregation (NIC teaming)

c)

Power over Ethernet (PoE)

d)

Spanning Tree Protocol (STP)

6.

What is the maximum standard Ethernet MTU size?

a)

900 bytes

b)

1500 bytes

c)

9216 bytes

d)

2048 bytes

7.

What problem does Spanning Tree Protocol (STP) solve?

a)

IP address conflicts

b)

Broadcast storms and loops

c)

VLAN mismatches

d)

ARP spoofing

8.

Which of the following technologies allows both data and electrical power to be transmitted over the same Ethernet cable?

a)

PoE

b)

MTU

c)

ARP

d)

STP

9.

Which protocol maps IP addresses to MAC addresses within a local network?

a)

ICMP

b)

ARP

c)

DHCP

d)

DNS

10.

A broadcast message in IPv4 is sent to which address?

a)

0.0.0.0

b)

127.0.0.1

c)

255.255.255.255

d)

The subnet gateway

11.

Which type of addressing is used to send traffic to a single, specific device?

a)

Broadcast

b)

Anycast

c)

Unicast

d)

Multicast

12.

Which addressing type is commonly used for video streaming services that must reach multiple subscribers simultaneously?

a)

Unicast

b)

Multicast

c)

Anycast

d)

Broadcast

13.

Which addressing method sends traffic to the nearest device in a group, often used for load balancing?

a)

Multicast

b)

Broadcast

c)

Anycast

d)

Unicast

14.

A network technician configures jumbo frames to improve performance. Which trade-off must they consider?

a)

Increased encryption overhead

b)

Possible compatibility issues with devices not supporting jumbo frames

c)

Reduced broadcast domain size

d)

Increased CPU usage on hubs

15.

Which device combines multiple physical networks into one logical network segment?

a)

Hub

b)

Repeater

c)

Bridge

d)

Firewall

16.

What do you need to connect networks together?

a)

keyboard

b)

client

c)

printer

d)

router

17.

1. The typical port used by TCP for HTTP is __________

a)

60

b)

90

c)

80

d)

70

18.

________is used when speed is the primary importance, such as real-time video

conferencing, streaming audio and video, Voice Over IP (VOIP), music, and online games.

a)
High latency network
b)

TCP

c)
Slow network speed
d)

UDP

19.

Protocols is the set of rules that governs the communication.

a)

False

b)

True

20.
  1. FTP uses the services of ________.
a)

IP

b)

TCP

c)

PPP

d)

UDP