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WorksheetsMod3
Total questions: 46
Worksheet time: 46mins
Name
Class
Date
1.
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 device?
a)
TCP at the transport layer
b)
IP at the internet layer
c)
DNS at the application layer
2.
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, IP, TCP, Ethernet
b)
HTTP, TCP, IP, Ethernet
c)
Ethernet, TCP, IP, HTTP
d)
Ethernet, IP, TCP, HTTP
3.
BGP and OSPF are examples of which type of protocol?
a)
routing
b)
service discovery
c)
network access
d)
transport
4.
In computer communication, what is the purpose of message encoding?
a)
to change a complex message into a simple code
b)
to convert information to the appropriate form for transmission
c)
to encrypt a message to prevent it from being read by an unauthorized person
d)
to break a large message into smaller frames
5.
This protocol is responsible for guaranteeing the reliable delivery of information.
a)
IP
b)
Ethernet
c)
TCP
d)
UDP
6.
This standards organization is concerned with the Request for Comments (RFC) documents that describe new protocols and updates to existing protocols.
a)
Internet Assigned Numbers Authority (IANA)
b)
Internet Corporation for Assigned Names and Numbers (ICANN)
c)
Institute of Electrical and Electronics Engineers (IEEE)
d)
Internet Engineering Task Force (IETF)
7.
This standards organization is responsible for IP address allocation and domain name management.
a)
Internet Assigned Numbers Authority (IANA)
b)
Internet Corporation for Assigned Names and Numbers (ICANN)
c)
Institute of Electrical and Electronics Engineers (IEEE)
d)
Internet Engineering Task Force (IETF)
8.
True or False? Data Link addresses are physical so they never change in the data link frame from source to destination.
a)
True
b)
False
9.
True or false. Standards organizations are usually vendor-neutral.
a)
True
b)
False
10.
True or false? Frames exchanged between devices in different IP networks must be forwarded to a default gateway.
a)
True
b)
False
11.
True or false? The right-most part of an IP address is used to identify the network that a device belongs to.
a)
True
b)
False
12.
UDP and TCP belong to which layer of the TCP/IP protocol?
a)
application
b)
internet
c)
network access
d)
transport
13.
What are two benefits of using a layered network model? (Choose two.)
a)
It assists in protocol design.
b)
It speeds up packet delivery.
c)
It prevents technology in one layer from affecting other layers.
d)
It ensures a device on one layer can operate at any other layer.
e)
It increases the packet contents.
14.
What is done to an IP packet before it is transmitted over the physical medium?
a)
It is converted to a Layer 4 PDU.
b)
It is encapsulated in a Layer 2 frame.
c)
It is converted to a Layer 7 PDU.
d)
The destination MAC address of the final destination is added.
15.
What is the PDU associated with the transport layer?
a)
bits
b)
frame
c)
packet
d)
segment
16.
What is the general term that is used to describe a piece of data at any layer of a networking model?
a)
frame
b)
packet
c)
protocol data unit
d)
segment
17.
What is the name of the process of adding protocol information to data as it moves down the protocol stack?
a)
segmentation
b)
encapsulation
c)
encoding
d)
formatting
18.
What is the order of the two addresses in the data link frame?
a)
destination MAC, source MAC
b)
source MAC, destination MAC
c)
source MAC, source IP
d)
destination IP, destination MAC
19.
What is the process of converting information into the proper form for transmission?
a)
Formatting
b)
Encoding
c)
Encapsulation
20.
What is the process of dividing a large data stream into smaller pieces prior to transmission?
a)
encapsulation
b)
segmentation
c)
multiplexing
d)
sequencing
21.
What is the purpose of protocols in data communications?
a)
dictating the method of delivery for a specific technology
b)
defining the physical hardware that can be used for communication
c)
providing the rules required for a specific type of communication to occur
d)
dictating the media access control method used
22.
What is the purpose of the sequencing function in network communication?
a)
to determine the most efficient path for data to take through the network
b)
to guarantee the delivery of data
c)
to uniquely label transmitted segments of data for proper reassembly by the receiver
23.
What is used to determine the network portion of an IPv4 address?
a)
default gateway
b)
subnet mask
c)
host address
24.
What layer of the TCP/IP protocol model determines the best path through the network?
a)
application
b)
transport
c)
internet
d)
network access
25.
What process is used to place one message inside another message for transfer from the source to the destination?
a)
access control
b)
decoding
c)
encapsulation
d)
flow control
26.
What process is used to receive transmitted data and convert it into a readable message?
a)
encapsulation
b)
encoding
c)
decoding
d)
formatting
27.
What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.)
a)
connector specifications
b)
message encoding
c)
media selection
d)
message size
e)
delivery options
28.
What type of communication will send a message to all devices on a local area network?
a)
unicast
b)
multicast
c)
broadcast
d)
anycast
29.
What type of delivery uses data link layer addresses?
a)
remote delivery
b)
local and remote delivery
c)
local delivery
d)
remote delivery using routers
30.
What types of standards are developed by the Electronics Industries Alliance (EIA)?
a)
application protocols and processes
b)
network access and media control
c)
IP addressing and routing
d)
electric wiring and connectors
31.
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
32.
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?
a)
application
b)
presentation
c)
session
d)
transport
33.
Which logical address is used for delivery of data to a remote network?
a)
destination MAC address
b)
destination IP address
c)
source MAC address
d)
source IP address
34.
Which message delivery option is used when all devices need to receive the same message simultaneously?
a)
duplex
b)
unicast
c)
multicast
d)
broadcast
35.
Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.)
a)
DHCP
b)
DNS
c)
ICMPv4
d)
ICMPv6
36.
Which of the following statements are true regarding network layer and data link layer addresses? (Choose three.)
a)
Network layer addresses are logical and data link addresses are expressed as 12 hexadecimal digits.
b)
Data link layer addresses are physical and network layer addresses are logical.
c)
Network layer addresses are expressed as 12 hexadecimal digits and data link layer addresses are logical.
d)
Network layer addresses are either 32 or 128 bits in length.
37.
Which protocol operates at the network access layer of the TCP/IP model?
a)
IP
b)
TCP
c)
UDP
d)
Ethernet
38.
Which protocol stack layer encapsulates data into frames?
a)
application
b)
transport
c)
network
d)
data link
39.
Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.)
a)
File Transfer
b)
Address Resolution
c)
Routing Protocols
d)
Messaging
e)
• Internet Protocol
40.
Which step of the communication process is concerned with properly identifying the address of the sender and receiver?
a)
Formatting
b)
Encoding
c)
Encapsulation
41.
Which three acronyms/initialisms represent standards organizations? (Choose three.)
a)
IANA
b)
IEEE
c)
IETF
d)
MAC
e)
OSI
42.
Which three are components of message timing? (Choose three.)
a)
Flow control
b)
Sequence numbers
c)
Access method
d)
Retransmit time
e)
Response timeout
43.
Which two protocols are service discovery protocols? (Choose two.)
a)
DNS
b)
DHCP
c)
Ethernet
d)
OSPF
e)
BGP
44.
Which two protocols belong in the TCP/IP model application layer?
a)
DHCP
b)
DNS
c)
ICMPv4
d)
ICMPv6
45.
Which two protocols function at the internet layer? (Choose two.)
a)
ARP
b)
ICMP
c)
IP
d)
PPP
e)
TCP
46.
Which type of communication will send a message to a group of host destinations simultaneously?
a)
broadcast
b)
multicast
c)
unicast
d)
allcast
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