Week 3 - Module 4 & 5
Example of Classless Inter-Domain Routing (CIDR) notation
172.16.34.1/16
None, Wired Equivalent Privacy (WEP), and Advanced Encryption Standard (AES)
3 encryption types available
ipconfig
A command-line utility that can be used to display and manage IP address settings for network interfaces on a computer.
nbtstat
A command-line utility that can be used to display protocol statistics and current TCP/IP connections using NetBIOS over TCP/IP.
netstat
A command-line utility that can be used to display protocol statistics and current TCP/IP network connections.
netsh
A command-line utility that can be used to display, change, add, and delete network configuration settings on a computer, including basic and advanced settings.
Hostname
A command-line utility that can be used to identify the name of the computer.
ping
A command-line utility that can be used to test IP communications between the computer running the utility and a remote target.
Pathping
A command-line utility that can be used to test IP communications between the computer running the utility and a remote target. In addition to the basic IP communication test, the pathping utility traces the routers involved in establishing the IP communication path.
tracert
A command-line utility that can be used to trace the routers involved in establishing an IP communication path between the computer running the command and a target address.
nslookup
A command-line utility that can be used to view or debug the data returned from a DNS server in response to a DNS name resolution query.
Routing table
A data table that is used by Windows 10 to select the next IP address data must be delivered to, to ultimately deliver data to a given target address.
Wireless access point (WAP)
A device that allows wireless devices to connect through it to a wired network.
Class E
A first octet identifying a ________ _address is reserved for future use and special purposes.
multicast address
A first octet identifying a class D address represents a ____________ ____________
127
A first octet value of _____ identifies a destination that is local to the computer sending data
True
A folder called App1 contains applications accessed by users over the network. User1 is a member of Group 1, Group 2 and Group 3. Permissions provided for the groups to the folder App1 are shown in the table below. Does User1 have permission to delete files in App1 folder?
Allow - Read, Write, Modify, Change permissions
A folder called App1 contains applications accessed by users over the network. User1 is a member of Group 1, Group 2 and Group 3. Permissions provided for the groups to the folder App1 are shown in the table below. Which resulting permission does User1 have to the shared folder?
Windows Defender Firewall
A host-based firewall included with Windows 10 that can perform inbound and outbound packet filtering. In previous editions of Windows, this was referred to as Windows Firewall.
Check firewall settings and make sure that port 445 is open
A local administrator on a Windows 10 machine tries to connect to a remote computer's shared folder called "CorpData". However, he receives an error message saying "system error 53 has occurred. The network path was not found." A colleague has confirmed to the local admin that he had given permission to all users, and others can successfully connect to the shared folder. What would you recommend to the Windows 10 local administrator?
Server Message Block (SMB)
A network sharing protocol implemented in Windows to share resources between a client and server.
Classless interdomain routing (CIDR)
A notation technique that summarizes the number of binary bits in an IP address that identify the network an IP address belongs to, counted starting from the left side of the IP address as written in binary form. The number of bits is written at the end of the IP address with a slash (/) symbol separating the two values (e.g., 192.168.1.0/24 or FE80::/64).
Quality of Service (QoS)
A process of measuring and managing the effective delivery of network traffic by devices involved in the timely delivery of data that is sensitive to delays, packet retry or loss, inefficient paths, and bottlenecks (e.g., digital video).
Link-Local Multicast Name Resolution (LLMNR) protocol
A protocol that defines methods for name resolution of local neighboring computers without using DNS, WINS, or NetBIOS name resolution services. LLMNR can operate on IPv4 and IPv6 networks with the use of specially crafted multicast addresses to query client names on other computers.
Default Gateway
A router on the local network that is used to deliver packets to remote networks
Default Gateway
A router on the local network that is used to deliver packets to remote networks.
Network Discovery
A setting that controls how your computer views other computers on the network and advertises its presence on the network.
Autonegotiation
A signaling mechanism used by two network connected devices to choose common transmission parameters such as speed and flow control.
Wi-Fi Direct
A specification developed by the Wi-Fi Alliance as a peer-to-peer wireless connection technology that allows devices to securely discover, connect, and transfer information among one another without setting up and attaching each device to a WAP first.
NetBIOS
A specification, originally created by IBM in 1983 and later enhanced and evolved by Microsoft, that allows access to shared services and data over a local area network. This is considered a deprecated protocol, but many components of the specification are still in use within a Windows client or server environment.
Domain Name System (DNS)
A system for converting computer host names to IP addresses. (Essential to communicate on a TCP/IP network)
Network Address Translation (NAT)
A system that allows multiple computers to share a single IP address when connecting to the Internet.
Automatic Private IP Addressing (APIPA) address
A system used to automatically assign an IP address on the 169.254.x.x network to a computer that is unable to communicate with a DHCP server.
C:\Windows\system32\drivers\etc\services
A trainee administrator would like to find the well-known ports used by his Windows 10 computer. Which system file provide a comprehensive list of well-known ports supported by Windows?
Multicast
A type of address that is shared by multiple computers or devices. All hosts in the multicast group listen for communication on the shared address and all can respond.
Unicast
A type of network address that is assigned to a single computer or device.
Link-Local Unicast
Allows computers in a local network to communicate with each other without requiring the use of a router.
Broadcast Address
An address that indicates that the destination for a particular packet should be all available computers.
Dynamic Host Configuration Protocol (DHCP)
An automated mechanism used to assign IP addresses, subnet masks, default gateways, DNS servers, WINS servers, and other IP configuration information to network devices
0
Bits set to ____ identify what part of an address belongs to the host ID
Global Unicast
Can be routed as a public address on the Internet through routers and networks.
Ping utility
Can be used to confirm that the computer can ping its own loopback address.
443
Complete the following Windows PowerShell cmdlet to test TCP connectivity with secure HTTP. Test-NetConnection -ComputerName PLABDM01 -Port ___
Routers
Control movement of packets through networks
Subnet Mask
Defines which part of an IP address is the network ID and which part of the IP address is the host ID
APIPA address
Designed as a solution for very small networks with no Internet connectivity requirements
getmac
Displays MAC addresses associated with network adapters. Use getmac /v to obtain a more detailed output that includes the adapter name in addition to the adapter identifier. Use getmac /s HostIP /u userid /p password to obtain MAC addresses from a remote system.
Route
Displays and modifies information in the local routing table
arp
Displays and modifies the contents of the address resolution protocol (ARP) table, which maps IP addresses to MAC addresses. Use arp -a or arp -g to display the contents of the ARP table. Uses arp -d HostIP to delete an entry from the ARP table.
A network ID and a host ID
IP address is composed of two parts
dotted decimal notation
IPv4 addresses are most commonly displayed in ________ _________ ________
octets
IPv4 is displayed as four decimal numbers called _________
128
IPv6 addresses are ____ bits long
hexadecimal
IPv6 addresses are represented in _________ , with each four-digit segment seperated by colons
Stateful and stateless automatic address configuration
IPv6 automatic configuration can be done in two ways:
WINS
IPv6 does not support using _____
local machines on the same network
If the first octet is zero, the remaining octets identify _______ _________ ___ ____ _______ _________
Improvements in IPv6
Increased address space Hierarchical routing to reduce the load on the Internet backbone routers Simpler configuration through automatic address management Inclusion of encryption services for data security Quality of service Capability to add and extend new features
Windows Internet Naming Service (WINS)
Legacy technology used to resolve NetBIOS names to IP addresses. It stores information about services such as domain controllers.
Text file called HOSTS (in the folder C:\\Windows\System32\drivers\etc)
Maps IP addresses to host names
Security Set Identifier (SSID), 802.11 mode, and security method
Most common configuration details for a WAP:
TCP/IP
Only ________ is included with Windows 10 for network communication.
WINS
Primarily used for backward compatibility with older NetBIOS-based networks
Unique Local Unicast
Replacement address type for the depreciated site-local address type
Protocols
Rules for communicating across the network
Router connection sharing, mobile hotspot, internet connection sharing (ICS)
Shared Internet Connectivity (3)
Cable, digital subscriber line (DSL), Dial-up, and wireless WAN
Single computer Internet Connectivity Options (4)
To configure IPv6, you can use:
Static configuration, automatic configuration and IPv6 configuration commands
1
Subnet mask's bits set to ___ identify what part of an assigned IPv4 address belongs to the network ID.
Loopback Address
The IPv4 address 127.0.0.1 or IPv6 address ::1, which are used to represent the local computer itself on the network. Traffic sent to the loopback address does not get passed over an actual network; it is processed within the operating system without using an actual network connection.
Network location awareness
The capability of Windows 10 to detect when it is connected to a different network and perform actions based on the change.
fully qualified domain name (FQDN)
The full name of a host on the network, including its host and domain name. For example, the FQDN www.microsoft.com includes the host name www and the domain name microsoft.com.
Network and sharing Center
The location in Control Panel for managing the configuration of the network you are connected to
Private Network
The location type that is used for trusted networks where limited security is required, such as a small office.
Public Network
The location type that is used for untrusted networks where high security is required, such as a public wireless hotspot.
Domain Network
The location type that is used when a computer joined to a domain is on the domain network, for example, a corporate office.
File and Printer Sharing for Microsoft Networks
The service that allows Windows 10 to share files and printers by using the SMB protocol.
Network Driver
The software responsible for enabling communication between Windows 10 and the network device in your computer.
Time to Live (TTL)
The time a piece of data is allowed to exist before it is considered obsolete and replaceable.
Location Types
The type of network: public, private, or domain. Different configuration settings are applied based on the location type.
first octet
The value of the _________ _________ determines the general class of an IPv4 address.
ipconfig and netsh utilities
To display the current settings
Wireless Network
Transfers data without a physical connection
Confirm current settings, validate IPv6 connectivity, verify DNS name resolution, and verify data connections
Troubleshooting IPv6 settings (4 things)
True
True or False. Hosts file located in \system32\drivers\etc has higher priority than primary DNS server.
True
True or False. Windows Firewall with Advanced Security (Windows Defender Firewall with Advanced Security) allows the creation of Outbound firewall rules.
Network Discovery
What provides you with a way to control how your computer views other computers on the network and advertises its presence on the network
The loopback address and the unspecified address
What two special addresses exist in IPv6?
HTTP, RDP, SMB, and WinRM
When executing the Test-NetConnection cmdlet with the "-CommonTCPPort" parameter, which of the following common TCP ports are included? Choose four answers.
Set the Startup Type of Windows Update service to "Disabled".
Which of the following actions are applicable in order to clear the Software Distribution folder in a Windows 10 device corrupted by a sudden power interruption?
TCP 445
Which of the following port number does File and Printer Sharing service use to receive incoming network traffic?
link-local address
Windows 10 automatically configures IPv6 network interfaces with a ____ _______ __________
Broadcast ID
Wireless networks are named after the ___________ ___ of the wireless access point
The specified folder is not located in the provided path.
You are trying to create a shared folder using Windows PowerShell. You have received the error message shown on the screenshot below. What is the cause of the issue?
Restart the Computer
You have successfully changed the Startup Type of Windows Update service to "Disabled" and stopped it likewise. When you tried to delete the contents of C:\Windows\SoftwareDistribution\Downloads folder, you get a message box saying Folder Access Denied. Which of the following actions will you do so that you can clear C:\Windows\SoftwareDistribution\Downloads folder?
Computer Management and Windows PowerShell
You need to create a shared folder for a group of users: Ann, Bob and Clare. Requirements are following: All users must have access to the root folder; Each user must have their own subfolder only they have access to. You have created a shared folder and subfolders. Then gave access to the root folder for the users. How can you view a list of shared folders?
New-SmbShare -Name "corpdata" -Path "c:\corpdata" -Fullaccess "practicelabs\domain users"
You need to create a shared folder on a computer running Windows 10. It must have following parameters: Located in C:\corpdata; Domain users of PracticeLabs domain must have full access to it. Which Windows Powershell command you need to run?
Test-NetConnection
You tried to map a network drive to a shared folder located in PC2 from PC1. You received network path not found on PC1. Which of the following Windows PowerShell cmdlets will you run on PC1 to verify that PC2 allows incoming File and Printer Sharing traffic?
Service
_________ allows your computer to accept connections from and provide resources to a remote computer.
Client
___________ allows you to connect to a particular service running on a remote computer
