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Net+ 1.1-1.3 Test

Total questions: 44

Worksheet time: 25mins

Name
Class
Date
1.

What is the primary function of a server in a network?

a)

To consume services

b)

To make network applications and resources available to other hosts

c)

To act as a client

d)

To perform a forwarding function.

2.

In a peer-to-peer network, each host acts as both a client and a ______.

a)

server

b)

node

c)

appliance

d)

link

3.

What is the role of applications in networking infrastructure?

a)

To run services

b)

To store data

c)

To provide security

d)

To manage users.

4.

Networks can be configured with additional properties to perform different ______.

a)

applications

b)

functions

c)

services

d)

nodes

5.

Which of the following is a characteristic of a Home/Residential Network?

a)

Uses long-distance links

b)

Includes an Internet router and a few computers

c)

Hosts only servers and storage

d)

Requires multiple enterprise-class switches

6.

A Small Office/Home Office (SOHO) network often uses a single Internet router/switch/access point to provide ______.

a)

Connectivity

b)

Storage

c)

Security

d)

Power

7.

What does the topology describe in a network?

a)

The physical or logical structure

b)

The speed of the network

c)

The type of data transmitted

d)

The security protocols.

8.

In a point-to-point network, only two nodes are connected to the network media. When the network media is ________, a node cannot transmit and receive at the same time.

a)

full-duplex

b)

half-duplex

c)

simplex

9.

What defines a point-to-point link in networking?

a)

1:1 relationship

b)

1:2 relationship

c)

1:3 relationship

d)

1:4 relationship

10.

In a point-to-point link, each router can address only the other router. This is an example of a ________ relationship.

a)

A) 1:1

b)

B) 1:2

c)

C) 1:3

d)

D) 1:4

11.

What is a star topology?

a)

A network where each node is connected to a central forwarding appliance.

b)

A network where each node is connected in a ring.

c)

A network where each node is connected in a line.

d)

A network where each node is connected randomly.

12.

In a star topology, each node is connected to a central ________.

a)

Router

b)

Switch

c)

Forwarding appliance

d)

Hub

13.

What is the formula to calculate the number of links required in a fully connected mesh network with 'n' nodes?

a)

n(n+1)/2

b)

n(n-1)/2

c)

n^2

d)

n^2/2

14.

In a partial mesh network, nodes can forward packets to a destination by learning the network topology. This approach is often preferred because ________.

a)

it is more expensive

b)

it provides better redundancy

c)

it is easier to provision interfaces

d)

it requires more links

15.

Which layer of the OSI model is responsible for data encryption and decryption?

a)

Application

b)

Presentation

c)

Session

d)

Transport

16.

The ______ layer of the OSI model is responsible for establishing, managing, and terminating connections between applications.

a)

Application

b)

Presentation

c)

Session

d)

Transport

17.

What are the two principal functions of a network protocol?

a)

Addressing and Encapsulation

b)

Transmission and Reception

c)

Encryption and Decryption

d)

Compression and Decompression

18.

In the OSI model, which layer is responsible for adding headers to the data? Fill in the blank: The ______ layer is responsible for adding headers to the data.

a)

Application

b)

Presentation

c)

Transport

d)

Network

19.

What is the process called when a sending node adds a header to the data payload at each level, forming a 'chunk' of data?

a)

Decapsulation

b)

Encapsulation

c)

Transmission

d)

Modulation

20.

In the encapsulation process, the TCP segment is wrapped in an Internet Protocol (IP) header at the _______ layer.

a)

Application

b)

Transport

c)

Network

d)

Data Link

21.

Which of the following is a characteristic of cabled media in the Physical layer?

a)

Uses free space between nodes

b)

Described as unbounded media

c)

Provides a physical signal conductor between two nodes

d)

Uses microwave radio.

22.

The Physical layer of the OSI model is responsible for the transmission and receipt of signals that represent bits of data. Which of the following devices operates at the Physical layer?

a)

Router

b)

Transceiver

c)

Firewall

d)

Switch

23.

In the Physical layer, the process of transmitting and receiving encoded data over the network media is known as ________.

a)

Topology

b)

Interface

c)

Signaling

d)

Conversion

24.

What is the primary function of the Data Link layer in the OSI model?

a)

Transferring data between nodes on the same logical segment

b)

Encrypting data for secure transmission

c)

Routing data between different networks

d)

Managing user access to the network.

25.

At the Data Link layer, a segment is one where all nodes can send traffic to one another using ______ addresses.

a)

IP

b)

MAC

c)

Logical

d)

Physical

26.

Which device joins an end system host to network media and enables communication over the network by assembling and disassembling frames?

a)

Bridge

b)

Network adapter or network interface card (NIC)

c)

Switch

d)

Wireless access point (AP)

27.

A ______ is a type of intermediate system that joins physical network segments while minimizing the performance reduction of having more nodes on the same network.

a)

Switch

b)

Network adapter

c)

Bridge

d)

Wireless access point

28.

What device creates links between large numbers of nodes more efficiently and is an advanced type of bridge with many ports?

a)

Network adapter

b)

Bridge

c)

Switch

d)

Wireless access point

29.

An AP allows nodes with wireless network cards to communicate and creates a bridge between wireless networks and wired ones. What does AP stand for?

a)

Access Point

b)

Advanced Port

c)

Adapter Port

d)

Application Point

30.

What is the main appliance working at layer 3 of the OSI model?

a)

Switch

b)

Router

c)

Hub

d)

Bridge

31.

At the network layer, each interface is identified by an address with a network part and a ______ part.

a)

host

b)

data

c)

link

d)

frame

32.

What is the primary function of a firewall in a network?

a)

To increase network speed

b)

To filter traffic between networks

c)

To provide wireless connectivity

d)

To store data

33.

A basic firewall operates at layer __ to enforce an access control list (ACL).

a)

1

b)

2

c)

3

d)

4

34.

What is one of the primary functions of the Transport layer in the OSI model?

a)

A) Assigning IP addresses

b)

B) Assigning port numbers

c)

C) Encrypting data

d)

D) Managing user sessions.

35.

The Transport layer is responsible for ________ data delivery mechanisms.

a)

unreliable

b)

reliable

c)

optional

d)

encrypted

36.

Which of the following devices work at the Transport layer?

a)

A) Routers

b)

B) Multilayer switches

c)

C) Hubs

d)

D) Repeaters

37.

Devices working at the Transport layer include multilayer switches, usually working as ________.

a)

Firewalls

b)

Load balancers

c)

Routers

d)

Hubs

38.

Which layer of the OSI model is responsible for establishing, managing, and terminating sessions between applications?

a)

Layer 4

b)

Layer 5

c)

Layer 6

d)

Layer 7

39.

The Presentation layer (Layer 6) is responsible for transforming data between the network format and the format required for the application. It is also known for supporting data compression and ________.

a)

Decryption

b)

Encryption

c)

Transmission

d)

Reception

40.

Which layer of the OSI model is responsible for application protocols like Web and Email?

a)

Physical

b)

Data Link

c)

Application

d)

Network

41.

The ______ layer of the OSI model is associated with devices like routers and firewalls.

a)

Data Link

b)

Network

c)

Transport

d)

Session

42.

What does SOHO stand for in networking?

a)

Small Office/Home Office

b)

Single Office/Home Office

c)

Secure Office/Home Office

d)

Smart Office/Home Office

43.

A network in a single location is often described as a ______.

a)

WAN

b)

LAN

c)

MAN

d)

PAN

44.

What is that pizza saying?

4 lines