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CCNA1 - Module 3 - Protocols and Models - Quiz

Total questions: 65

Worksheet time: 44mins

Name
Class
Date
1.

What is the process of converting information into the proper form for transmission?

a)

Formatting

b)

Encoding

c)

Encapsulation

2.

What is the process of converting information into the proper form for transmission?

a)

Formatting

b)

Encoding

c)

Encapsulation

3.

Which step of the communication process is concerned with properly identifying the address of the sender and receiver?

a)

Formatting

b)

Encoding

c)

Encapsulation

4.

Which three are components of message timing?

a)

Flow control

b)

Sequence numbers

c)

Access method

d)

Retransmit time

e)

Response timeout

5.

Which delivery method is used to transmit information to one or more end devices, but not all devices on the network?

a)

Unicast

b)

Multicast

c)

Broadcast

6.

What type of communication will send a message to all devices on a local area network?

(Ενιαία Γραπτή Αξιολόγηση Α' Τετραμήνου - 2021-22 - Σειρά Β')

a)

allcast

b)

multicast

c)

unicast

d)

broadcast

7.

In computer communication, what is the purpose of message encoding?

a)

to interpret information

b)

to negotiate correct timing for successful communication

c)

to break large messages into smaller frames

d)

to convert information to the appropriate form for transmission

8.

Which message delivery option is used when all devices need to receive the same message simultaneously?

(Ενιαία Γραπτή Αξιολόγηση Α' Τετραμήνου - 2022-23 -Σειρά Α')

a)

unicast

b)

duplex

c)

multicast

d)

broadcast

9.

Which type of communication will send a message to a group of host destinations simultaneously?

a)

unicast

b)

multicast

c)

anycast

d)

broadcast

10.

Which message delivery option is used when a group (not all) of devices need to receive the same message IPv4 simultaneously?

(Ενιαίες Τελικές Προαγωγικές Γραπτές Εξετάσεις 2024-25 - Σειρά Β')

a)

broadcast

b)

multicast

c)

anycast

d)

unicast

11.

What process is used to receive transmitted data and convert it into a readable message?

(Ενιαίες Τελικές Προαγωγικές Γραπτές Εξετάσεις 2024-25 - Σειρά Β')

a)

access control

b)

flow control

c)

decoding

d)

encapsulation

12.

BGP and OSPF are examples of which type of protocol?

a)

network communication

b)

network security

c)

routing

d)

service discovery

13.

Which two protocols are service discovery protocols?

a)

DNS

b)

TCP

c)

SSH

d)

DHCP

14.

What is the purpose of the sequencing function in network communication?

a)

to uniquely label transmitted segments of data for proper reassembly by the receiver

b)

to determine if data is corrupted during transmission

c)

to ensure data flows at an efficient rate between sender and receiver

d)

to guarantee delivery of data

15.

This protocol is responsible for guaranteeing the reliable delivery of information.

a)

TCP

b)

IP

c)

HTTP

d)

Ethernet

16.

UDP and TCP belong to which layer of the TCP/IP protocol?

a)

application

b)

transport

c)

internet

d)

network access

17.

Which two protocols belong in the TCP/IP model application layer?

a)

EIGRP

b)

DNS

c)

OSPF

d)

ICMP

e)

DHCP

18.

What layer is responsible for routing messages through an internetwork in the TCP/IP model?

(Ενιαία Γραπτή Αξιολόγηση Α' Τετραμήνου 2022-23 - Σειρά Β')

a)

network

b)

internet

c)

transport

d)

data link

19.

Which protocol operates at the network access layer of the TCP/IP model?

a)

HTTP

b)

IP

c)

DNS

d)

Ethernet

20.

Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery?

a)

ICMPv6

b)

IPv6

c)

ICMPv4

d)

IPv4

e)

TCP

21.

A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device?

a)

HTTP at the application layer

b)

HTML at the application layer

c)

IP at the internet layer

d)

UDP at the internet layer

e)

TCP at the transport layer

22.

Which services are provided by the internet layer of the TCP/IP protocol suite?

a)

File Transfer

b)

Internet Protocol

c)

Address Resolution

d)

Messaging

e)

Routing Protocols

23.

What is the purpose of protocols in data communications?

a)

specifying the device operating systems that will support the communication

b)

providing the rules required for a specific type of communication to occur

c)

specifying the bandwidth of the channel or medium for each type of communication

d)

dictating the content of the message sent during communication

24.

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

a)

HTTP, TCP, IP, Ethernet

b)

Ethernet, IP, TCP, HTTP

c)

HTTP, IP, TCP, Ethernet

d)

Ethernet, TCP, IP, HTTP

25.

Standards organizations are usually vendor-neutral.

a)

True

b)

False

26.

This standards organization is concerned with the Request for Comments (RFC) documents that specify new protocols and update existing ones.

a)

Internet Society (ISOC)

b)

Internet Engineering Task Force (IETF)

c)

Internet Architecture Board (IAB)

d)

Internet Research Task Force (IRTF)

27.

This standards organization is responsible for IP address allocation and domain name management.

a)

Internet Society (ISOC)

b)

Internet Engineering Task Force (IETF)

c)

Internet Architecture Board (IAB)

d)

Internet Assigned Numbers Authority (IANA)

28.

Which three acronyms/initialisms represent standards organizations?

a)

TCP/IP

b)

EIA

c)

MAC

d)

IETF

e)

IANA

29.

What types of standards are developed by the Electronics Industries Alliance (EIA)?

a)

electric wiring and connectors

b)

radio equipment and cell towers

c)

video compression and broadband communications

d)

Voice over IP (VoIP) and satellite communications

30.

What are the benefits of using a layered network model?

Choose three.

a)

It assists in protocol design.

b)

Promotes competition because products from different vendors can work together

c)

It prevents technology in one layer from affecting other layers.

d)

It speeds up packet delivery.

e)

It ensures a device at one layer can function at the next higher layer.

31.

What is the purpose of the sequencing function in network communication?

a)

to uniquely label transmitted segments of data for proper reassembly by the receiver

b)

to determine if data is corrupted during transmission

c)

to ensure data flows at an efficient rate between sender and receiver

d)

to guarantee delivery of data

32.

Which protocol operates at the network access layer of the TCP/IP model?

a)

HTTP

b)

IP

c)

DNS

d)

Ethernet

33.

A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device?

a)

HTTP at the application layer

b)

HTML at the application layer

c)

IP at the internet layer

d)

UDP at the internet layer

e)

TCP at the transport layer

34.

What is the process of dividing a large data stream into smaller pieces prior to transmission?

a)

sequencing

b)

duplexing

c)

multiplexing

d)

segmentation

35.

What is the PDU associated with the transport layer?

a)

segment

b)

packet

c)

bits

d)

frame

36.

What process involves placing one Protocol Data Unit (PDU) inside of another PDU?

(Ενιαία Γραπτή Αξιολόγηση Α' Τετραμήνου 2021-22 - Σειρά Α')

a)

encapsulation

b)

encoding

c)

segmentation

d)

flow control

37.

Which name is assigned to the transport layer PDU?

(Ενιαία Γραπτή Αξιολόγηση Α' Τετραμήνου - 2022-23 - Σειρά Β')

a)

packet

b)

segment

c)

frame

d)

data

38.

Which protocol stack layer encapsulates data into frames?

a)

data link

b)

transport

c)

network

d)

application

39.

What is the name of the process of adding protocol information to data as it moves down the protocol stack?

a)

de-encapsulation

b)

sequencing

c)

segmentation

d)

encapsulation

40.

What is the purpose of protocols in data communications?

a)

specifying the device operating systems that will support the communication

b)

providing the rules required for a specific type of communication to occur

c)

specifying the bandwidth of the channel or medium for each type of communication

d)

dictating the content of the message sent during communication

41.

What is the general term that is used to describe a piece of data at any layer of a networking model?

(Ενιαία Γραπτή Αξιολόγηση Α' Τετραμήνου - 2022-23 - Σειρά Α')

a)

segment

b)

frame

c)

protocol data unit

d)

packet

42.

Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?

a)

application

b)

session

c)

transport

d)

network

e)

presentation

43.

Drag and drop each TCP/IP protocol suite layer and its relevant PDU .

a)Application
b)Transport
c)Internet
d)Network Access
e)Data
f)Segment
g)Packet
h)Frame
i)Bits
j)Presentation
1
2
3
4
5
6
7
8
1)
2)
3)
4)
5)
6)
7)
8)
44.

Identify the layers of the OSI model shown in the diagram and their relevant PDUs. (Drag and Drop)

a)Presentation
b)Session
c)Transport
d)Network
e)Data Link
f)Physical
g)Segment
h)Packet
i)Frame
j)Bits
1
2
3
4
5
6
7
8
9
10
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
45.

Drag and drop each TCP/IP protocol suite layer next to the function it supports.

a)Network Access
b)Internet
c)Application
d)Transport
e)Network
f)Physical
g)Presentation
h)Data Link
i)Session
1
2
3
4
1)
2)
3)
4)
46.

Drag and drop each OSI layer next to the function it supports.

a)Network
b)Application
c)Session
d)Physical
e)Presentation
f)Transport
g)Data Link
h)Network Access
i)Internet
j)Segment
1
2
3
4
5
6
7
1)
2)
3)
4)
5)
6)
7)
47.

Complete the following table.

(2024-25 - Σειρά Β')

a)Application
b)Presentation
c)Session
d)Transport
e)Network
f)Data Link
1
2
3
4
5
6
1)
2)
3)
4)
5)
6)
48.

What is done to an IP packet before it is transmitted over the physical medium?

a)

It is encapsulated into a TCP segment.

b)

It is encapsulated in a Layer 2 frame.

c)

It is segmented into smaller individual pieces.

d)

It is tagged with information guaranteeing reliable delivery.

49.

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

a)

HTTP, TCP, IP, Ethernet

b)

Ethernet, IP, TCP, HTTP

c)

HTTP, IP, TCP, Ethernet

d)

Ethernet, TCP, IP, HTTP

50.

Messages exchanged between devices in different IP networks must be forwarded to a default gateway.

a)

True

b)

False

51.

The right-most part of an IP address is used to identify the network that a device belongs to.

a)

True

b)

False

52.

What is used to determine the network portion of an IPv4 address?

a)

subnet mask

b)

MAC address

c)

right-most part of the IP address

d)

left-most part of the MAC address

53.

When IPv4 addressing is configured manually on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address?

(Ενιαίες Τελικές Προαγωγικές Γραπτές Εξετάσεις 2023-24 - Σειρά Α')

a)

DNS server address

b)

Subnet mask

c)

Default Gateway

d)

DHCP server address

54.

Which of the following statements are true regarding network layer and data link layer addresses?

a)

Network layer addresses are logical and data link layer addresses are expressed as 12 hexadecimal digits.

b)

Data link layer addresses are logical and network layer addresses are physical.

c)

Network layer addresses are either 32 or 128 bits in length.

d)

Network layer addresses are expressed as 12 hexadecimal digits and data link layer addresses are decimal.

e)

Data link layer addresses are physical and network layer addresses are logical.

55.

What is the order of the two addresses in the data link frame?

a)

source MAC, destination MAC

b)

destination MAC, source IP

c)

destination IP, source IP

d)

destination MAC, source MAC

e)

source IP, destination IP

56.

Data Link addresses are physical so they never change in the data link frame from source to destination.

a)

True

b)

False

57.

Which logical address is used for delivery of data to a remote network?

(Ενιαίες Τελικές Προαγωγικές Γραπτές Εξετάσεις 2024-25 - Σειρά Α')

a)

source MAC address

b)

source IP address

c)

destination IP address

d)

destination port number

e)

destination MAC address

58.

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

(Ενιαίες Τελικές Προαγωγικές Γραπτές Εξετάσεις 2023-24 - Σειρά Β')

a)

HTTP, TCP, IP, Ethernet

b)

Ethernet, IP, TCP, HTTP

c)

HTTP, IP, TCP, Ethernet

d)

Ethernet, TCP, IP, HTTP

59.

Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?

(Ενιαίες Τελικές Προαγωγικές Γραπτές Εξετάσεις 2023-24 - Σειρά Α')

a)

Data is sent from the Internet Layer to the Network Access Layer.

b)

Packets are sent from the Network Access Layer to the Transport Layer.

c)

Segments are sent from the Transport Layer to the Internet Layer.

d)

Frames are sent from the Network Access Layer to the Internet Layer.

60.

PC1 sends a message to PC2.

Specify the L2 and L3 addressing information when the message leaves PC1?

L2 Header: Destin. MAC (a)   Source MAC ​ (b)  

L3 Header: Source IP​ (c)   Destination IP​ (d)  

Choose from the below words
...02
...03
172.20.0.101
172.20.0.102
...01
...E3
...0A
172.20.0.2
172.20.0.1
61.

PC2 sends a message to PC4

Specify the L2 and L3 addressing information when the message leaves PC2.

L2 Header: Destin. MAC (a)   Source MAC ​ (b)  

L3 Header: Source IP​ (c)   Destination IP​ (d)  

Choose from the below words
...02
...03
192.168.20.1
172.20.0.102
...01
...0B
...0A
172.20.0.2
172.20.0.1
192.168.20.104
62.

PC2 sends a message to PC4

Specify the L2 and L3 addressing information when the message arrives at PC4.

L2 Header: Destination MAC (a)   Source MAC ​ (b)  

L3 Header: Source IP​ (c)   Destination IP​ (d)  

Choose from the below words
...02
...E3
192.168.20.1
172.20.0.102
...01
...0B
...0A
172.20.0.2
192.168.20.2
192.168.20.104
63.

Network Admin from PC3 remote controls S1

Specify the L2 and L3 addressing information when the message leaves PC3.

L2 Header: Destination MAC (a)   Source MAC ​ (b)  

L3 Header: Source IP​ (c)   Destination IP​ (d)  

Choose from the below words
...E3
192.168.20.1
192.168.20.103
...0E
...0B
...0A
172.20.0.2
192.168.20.2
172.20.0.1
...03
64.

Network Admin from PC3 remote controls S1

Specify the L2 and L3 addressing information when the message arrives at S1.

L2 Header: Destination MAC (a)   Source MAC ​ (b)  

L3 Header: Source IP​ (c)   Destination IP​ (d)  

Choose from the below words
...E3
192.168.20.1
192.168.20.103
...0E
...0B
...0A
172.20.0.2
192.168.20.2
172.20.0.1
...03
65.

PC4 sends a broadcast message to its network

Specify the L2 and L3 addressing information when the message leaves PC4.

L2 Header: Destination MAC (a)   Source MAC ​ (b)  

L3 Header: Source IP​ (c)   Destination IP​ (d)  

Choose from the below words
...FF
192.168.20.103
192.168.20.104
...0E
...0B
...04
192.168.20.255
192.168.20.1
192.168.20.2
...03

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