Podcast
Questions and Answers
Which two characteristics of switches are true?
Which two characteristics of switches are true?
- Switches cause more data collisions of the data that they receive
- Switches are capable of sending and receiving data at the same time (correct)
- Switches send each frame to all of the computers that are connected to them
- Switches identify the intended destination of the data that they receive (correct)
Which network device interconnects computers in a workgroup and provides the best throughput?
Which network device interconnects computers in a workgroup and provides the best throughput?
- Hub
- Managed switch (correct)
- Router
- Unmanaged switch
Which command-line tool in Linux should you use to list a host’s active incoming connections?
Which command-line tool in Linux should you use to list a host’s active incoming connections?
- dig
- host
- ip addr
- netstat (correct)
Which type of network covers the broadest area?
Which type of network covers the broadest area?
Which is an advantage of dynamic routing?
Which is an advantage of dynamic routing?
Which hardware is required to properly connect a LAN to a WAN?
Which hardware is required to properly connect a LAN to a WAN?
After migrating servers to cloud-based virtual machines, which two administrative responsibilities are reduced?
After migrating servers to cloud-based virtual machines, which two administrative responsibilities are reduced?
In troubleshooting internet connectivity issues, which two actions should you complete?
In troubleshooting internet connectivity issues, which two actions should you complete?
Which protocol operates at the transport layer of the TCP model?
Which protocol operates at the transport layer of the TCP model?
What are two purposes of the ping utility? (Choose 2)
What are two purposes of the ping utility? (Choose 2)
In addition to switching, which feature is specific to a multilayer switch?
In addition to switching, which feature is specific to a multilayer switch?
Which command displays the ports that your computer is listening for?
Which command displays the ports that your computer is listening for?
What are two characteristics of a wired Ethernet network topology? (Choose 2)
What are two characteristics of a wired Ethernet network topology? (Choose 2)
What does each IPv4 address consist of?
What does each IPv4 address consist of?
Which feature is specifically relevant to a Type 2 hypervisor?
Which feature is specifically relevant to a Type 2 hypervisor?
Which service is associated with port number 25?
Which service is associated with port number 25?
What configuration is necessary to enable internal clients with private IPv4 addresses to access the internet?
What configuration is necessary to enable internal clients with private IPv4 addresses to access the internet?
Which three actions should you complete first when troubleshooting a customer's inability to access the internet?
Which three actions should you complete first when troubleshooting a customer's inability to access the internet?
Which protocol does the ping utility use for testing communication with a remote host?
Which protocol does the ping utility use for testing communication with a remote host?
Which statement about IoT devices is true?
Which statement about IoT devices is true?
Which address type corresponds to the range 224.0.0.0 – 239.255.255.255?
Which address type corresponds to the range 224.0.0.0 – 239.255.255.255?
Which statement regarding a switch's operation is false?
Which statement regarding a switch's operation is false?
What type of cable is most suitable for a distance of six miles between two locations?
What type of cable is most suitable for a distance of six miles between two locations?
When communicating across a network, which option is NOT a typical protocol used?
When communicating across a network, which option is NOT a typical protocol used?
Which physical network topology provides fault-tolerant communication by providing redundant communication paths?
Which physical network topology provides fault-tolerant communication by providing redundant communication paths?
On a Windows computer, which utility should you use to determine whether your DNS service is properly resolving fully qualified domain names (FQDNs) to IP addresses?
On a Windows computer, which utility should you use to determine whether your DNS service is properly resolving fully qualified domain names (FQDNs) to IP addresses?
Which option represents an IPv6 loopback address?
Which option represents an IPv6 loopback address?
What tool should you use to test the fiber network connection between two buildings that is experiencing attenuation?
What tool should you use to test the fiber network connection between two buildings that is experiencing attenuation?
What is a primary concern regarding wireless network security?
What is a primary concern regarding wireless network security?
On a wireless router, what does SSID stand for?
On a wireless router, what does SSID stand for?
Which service primarily uses PTR and A records?
Which service primarily uses PTR and A records?
What happens when a client's DHCP issued address expires?
What happens when a client's DHCP issued address expires?
Which feature is unique to the Teredo tunneling protocol?
Which feature is unique to the Teredo tunneling protocol?
What is the primary function of a VPN?
What is the primary function of a VPN?
Which network topology is foundational to the design of the internet?
Which network topology is foundational to the design of the internet?
What is the top-level domain of ftp.sunsetweb.org?
What is the top-level domain of ftp.sunsetweb.org?
Which wireless encryption type presents the greatest risk of interception?
Which wireless encryption type presents the greatest risk of interception?
What function is specific to a multilayer switch besides switching?
What function is specific to a multilayer switch besides switching?
To protect an internal network when setting up a public-facing web server, what should you do?
To protect an internal network when setting up a public-facing web server, what should you do?
Which technology is used to extend an internal network across shared or public networks?
Which technology is used to extend an internal network across shared or public networks?
Which network hardware tool is best for determining the capability of a cable to support 1000Mbps full-duplex transmission?
Which network hardware tool is best for determining the capability of a cable to support 1000Mbps full-duplex transmission?
What is a key advantage of using STP cable in high interference areas?
What is a key advantage of using STP cable in high interference areas?
What type of network consists of routed private Wi-Fi networks at a single location?
What type of network consists of routed private Wi-Fi networks at a single location?
Which routing option is known for its fault tolerance capabilities?
Which routing option is known for its fault tolerance capabilities?
What is the primary purpose of incorporating VLANs into a network?
What is the primary purpose of incorporating VLANs into a network?
Which medium is the least susceptible to external interference including EMI and RFI?
Which medium is the least susceptible to external interference including EMI and RFI?
What type of connection does a VPN provide?
What type of connection does a VPN provide?
Which Ethernet cable type should be used for drops passing near heavy manufacturing equipment to reduce interface?
Which Ethernet cable type should be used for drops passing near heavy manufacturing equipment to reduce interface?
Flashcards
Transport Layer Protocol
Transport Layer Protocol
A protocol that manages the reliable delivery of data across a network between applications.
Ping Utility
Ping Utility
A network tool used to test the reachability of a host on a network.
Multilayer Switch
Multilayer Switch
A switch that operates at Layer 2 and 3 of the network model, providing routing capabilities.
Network Port
Network Port
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Type 2 Hypervisor
Type 2 Hypervisor
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Wired Ethernet Topology
Wired Ethernet Topology
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IPv4 Address
IPv4 Address
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Network listening ports
Network listening ports
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NAT
NAT
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Troubleshooting Internet Access
Troubleshooting Internet Access
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ICMP
ICMP
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IoT Device
IoT Device
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Loopback Address
Loopback Address
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Multicast Address
Multicast Address
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Switch Unicast Frame
Switch Unicast Frame
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Switch Flooding
Switch Flooding
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Switch characteristics
Switch characteristics
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Best network device for throughput
Best network device for throughput
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Linux command for active connections
Linux command for active connections
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Broadest network area
Broadest network area
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Dynamic routing advantage
Dynamic routing advantage
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LAN to WAN connection
LAN to WAN connection
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Reduced cloud server admin tasks
Reduced cloud server admin tasks
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Troubleshooting network access
Troubleshooting network access
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Teredo Tunneling
Teredo Tunneling
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VPN
VPN
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Internet Topology
Internet Topology
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Top-level domain (sunsetweb.org)
Top-level domain (sunsetweb.org)
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Wireless Adapter IP Configuration
Wireless Adapter IP Configuration
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Ethernet Adapter IP Configuration
Ethernet Adapter IP Configuration
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Least Secure Wireless Encryption
Least Secure Wireless Encryption
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Multilayer Switch Feature
Multilayer Switch Feature
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Fault-tolerant network topology
Fault-tolerant network topology
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DNS resolution utility (Windows)
DNS resolution utility (Windows)
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IPv6 loopback address
IPv6 loopback address
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Fiber attenuation tool
Fiber attenuation tool
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Wireless security concern
Wireless security concern
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Wireless router SSID
Wireless router SSID
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Service using PTR and A records
Service using PTR and A records
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VLAN traffic between switches
VLAN traffic between switches
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Cable type for Manufacturing Floor
Cable type for Manufacturing Floor
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1000 Mbps Cable Check
1000 Mbps Cable Check
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Fault-tolerant Routing
Fault-tolerant Routing
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Company's Private Wi-Fi Networks
Company's Private Wi-Fi Networks
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VLAN Purpose
VLAN Purpose
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STP vs UTP for Expansion
STP vs UTP for Expansion
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Least Susceptible Media to Interference
Least Susceptible Media to Interference
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VPN Definition
VPN Definition
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Study Notes
Protocol at Transport Layer
- UDP operates at the transport layer of the TCP model.
Port Numbers and Services
- Port 21: FTP
- Port 25: SMTP
- Port 53: DNS
- Port 80: HTTP
- Port 443: HTTPS
Ping Utility
- Two purposes of the ping utility:
- Self-test a host's network interface
- Determine if a host is reachable
Multilayer Switch Feature
- Translates between network protocols
- Provides Layer 3 routing functions
Netstat Command
- Used to display ports a computer is listening on
Type 2 Hypervisor and Virtual Machines
- Rebooting one virtual machine does not automatically reboot the other virtual machines.
- Rebooting the host machine does not affect other virtual machines.
- Rebooting a virtual machine requires rebooting the physical server first.
Wired Ethernet Network Topology
- Uses network adapters with physical IP addresses
- Typically employs twisted pair or fiber optic media
IPv4 Address
- Consist of a network ID and host ID
Network Address Translation (NAT)
- Used to enable internal clients with private IPv4 addresses from a router
Troubleshooting Internet Access Issues
- Perform a line test to check connectivity between the ISP and customer.
- Ask the customer to restart the modem.
- Ask the customer to check status lights on the modem.
Ping Utility Protocol
- ICMP
Internet of Things (IoT)
- IoT devices have IP addresses
- IoT devices often communicate with a network automatically without human interaction.
- Examples include smart thermostats and light bulbs.
IP Address Ranges
- Loopback addresses: 127.0.0.0 - 127.255.255.255
- Multicast addresses: 224.0.0.0 - 239.255.255.255
- Private network addresses: 192.168.0.0 - 192.168.255.255
Switch Functionality
- Unicast frames are sent to a single destination port.
- If a switch does not know where to send a frame, it floods the port.
- Switches do not send broadcast frames to only the uplink port. (Incorrect).
Network Cable Type
- Multi-mode fiber is appropriate for shorter distances (e.g., six miles/ten kilometers).
Switch Characteristics
- Switches can send and receive data at the same time (simultaneously).
- Switches identify intended destinations of data they receive (prevent collisions).
Network Device for Workgroup
- Managed switch
Linux Command-Line Tool for Connections
- Netstat is the command-line tool for listing a host's active incoming connections.
Broadest Network Type
- WAN
Dynamic Routing Advantage
- Automatically maintains routing tables
LAN to WAN Connection
- Router
Cloud-Based Virtual Machines and Reduced Responsibilities
- Backing up application data
- Managing permissions to shared documents
Troubleshooting Website Access Issues
- Checking the router for proper connectivity
- Checking computer IP addresses
- Contacting the internet service provider
Wireless Authentication Method
- Wi-Fi Protected Access 2 (WPA2)
Teredo Tunneling Protocol
- Enables the passing of IPv6 traffic through IPv4 networks
VPN
- Provides a secure connection through public networks
Internet Topology
- Mesh topology
Top-Level Domain (TLD)
- org
IP Address Configuration
- Wireless adapter configured via DHCP
- Ethernet adapter configured via APIPA
Wireless Encryption Susceptibility
- WEP
Multilayer Switch Function
- Provides Layer 3 routing functions
Perimeter Network (DMZ)
- Deploy the web server in a perimeter network to protect the internal network from intrusion. (a DMZ).
Technology for Extending Internal Networks
- VPN
Network Cable Testing Tool (cable bundle without labels)
- Time-domain reflectometer (TDR)
Ethernet Cable Type for Shorter Distance
- UTP Cat5e
Network Hardware Tool for 1000Mbps Transmission
- Time-domain reflectometer (TDR)
Fault-Tolerant Routing Option
- Dynamic routing
Type of Network for Private Wi-Fi Networks
- Intranet
VLAN Purpose
- To reduce the number of broadcast domains.
Justification for STP Cable
- Routing cables through areas with high external interference.
Least Susceptible Media to Interference
- Fiber optic
VPN Definition
- A secure private connection over a public network
Fault-Tolerant Network Topology
- Mesh
DNS Utility Tool
- nslookup
IPv6 Loopback Address
- ::1
Fiber Network Testing Tool
- Optical time-domain reflectometer (OTDR)
Wireless Network Security Concern
- Inability to encrypt transmission
Wireless Router Broadcast ID
- SSID
Service Utilising PTR and A Records
- DNS
VLAN Traffic Port Type
- Trunk port
DHCP Issue Indicator
- 169.254.1.15 (this address is used when DHCP fails to assign an address)
DHCP Lease Expiration
- The client attempts to renew its lease.
Linux Command for Incoming Connections
- Netstat
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Description
This quiz covers essential concepts at the transport layer, including the functions of UDP, common port numbers, and the ping utility. Additionally, it delves into multilayer switches, netstat command usage, hypervisors, and wired Ethernet network topology. Test your knowledge on these critical networking topics.
