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WorksheetsNetworking Essentials Ch 3 Review
Total questions: 25
Worksheet time: 2hrs 5mins
At what layer of the OSI model does a switch operate?
Physical
Data Link
Network
Transport
These TWO layers of the OSI model are combined in the network access layer of the TCP/IP model. (Pick Two!)
Physical
Data Link
Network
Transport
These THREE layers of the OSI model are combined in the TCP/IP model. (Pick Three!)
Application
Presentation
Session
Transport
There were two models discussed in the chapter. Which one of them is a reference model?
OSI
TCP/IP
There were two models discussed in the chapter. Which one of them is a protocol model?
OSI
TCP/IP
A series of protocols that have to be used together to accomplish a task are called this.
Protocol Stack
Protocol Model
Protocol Reference
RFC
This is the IEEE standard for Ethernet
802.3
802.11
802.15
T568B
Which of the following is NOT a reason why having network protocols and models is a good thing?
Compatibility between networks and devices
Encourages manufacturers to compete
Encourages manufacturers to innovate
Guarantees lower prices and communications will work
Which of the following is NOT one of the things that network protocols would focus on defining?
Message timing and size
Message encapsulation and pattern
Message format and encoding
Message content and information
This is the layer of the hierarchical design that user connect their devices to.
Core
Distribution
Access
Physical
How many broadcast domains are there in this network?
2
3
4
5
Which of the following are reasons to divide your LAN up into segments? (Pick Two!)
Better security
Better performance
More broadcast traffic
Less organization
This layer of hierarchical design is responsible for high speed backbone switching of data.
Core
Distribution
Access
Network
The OUI part of the MAC address identifies this.
The specific NIC sending communication.
The manufacturer of the NIC.
The network the NIC is on.
The speeds the NIC is capabale of.
The protocol data unit (PDU) at layer two of the OSI model is called what?
frame
packet
bit
segment
This is the maximum size of an Ethernet frame.
1500 bytes
1518 bytes
64 bits
300 mbps
This layer of the OSI model is where you would see bits represented by flashes of light.
physical
data link
network
transport
Which of the following commands could be used to find the MAC address of a host? (Pick Two!)
ipconfig /all
arp -a
dir
ipconfig /renew
This part of an Ethernet frame looks for errors.
Header
Preamble
FCS
Destination MAC address
This is why your computer maintains an ARP table.
So it can map MAC addresses to the IP addresses when sending messages.
So it can verify connectivity with other hosts.
So it can map domain names to IP addresses.
So it can get configuration information from a DHCP server.
The protocol data unit (PDU) at the network layer of the OSI model is called what?
frame
packet
bit
segment
This is the process of representing the data in a way that it can be carried by the medium being used.
encoding
encapsulating
encrypting
authenticating
This is the process of taking a message and adding headers that will help it get to its destination.
encoding
encapsulating
encrypting
authenticating
Another name for a MAC address is _________.
Another name for a IP address _____________.
Physical, Logical
Logical, Physical
Logical, Hardware
Logical, Burned in Address
Routers operate at this later of the TCP/IP model.
Application
Transport
Network Access
Internet
