Chapter 7

Incorrectly defined DNS server

A user cannot access a server in the domain. After troubleshooting, you determine that the user cannot access the server by name but can access the server by IP address. What is the most likely problem?

.WINS Server

Database of IP addresses and NetBIOS names that update dynamically. Only good for your organization; only for Windows operating systems. Other network devices and services cannot register with a WINS server, so you must add static entries

ipconfig /flushdns

How do you flush your dns

IP address Subnet Mask Default gateway

What fields are asked when you create a static IP address?

10.14.100.240 65.102.17.9

Which of the following IP addresses are Class A addresses?

Set up all Windows 10 client on a workgroup

You are hired by a small company to set up a network. The company sells pocket watches and they have only five employees. They can't afford a server and client access licenses. What type of network can you set up or them?

Azure Active Directory

You are the network administrator for a large organization with many laptop users who go on the road. Your organization would like to start moving away from users connecting in by VPN to get data. They have decided that they want to start moving the entire IT department to the cloud. What version of Active Directory can they start using?

Windows Firewall

You are the network administrator for a small organization. Your organization has implemented Windows 10 on all client machines. You want to implement another line of security on the Windows 10 machine so unauthorized uses can't access the machines. What can you implement on the Windows 10 machines?

Incorrectly defined default gateway

You are the network administrator for your company. After configuring a new computer and connecting it to the network, you discover that you cannot access any of the computers on the remote subnet by IP address. You can access some of the computers on the local subnet by IP address. What is the most likely problem?

Class C

You are the network administrator for your company. Your service provider has assigned you the network address 192.168.154.0 You have been granted the entire range to use. What class of address have you been assigned?

WPA2-Enterprise

All of your laptops use Windows 10 and have been connected to a wireless access point that is configured to use Advanced Encryption Standard (AES) security. There is no preshared password key being used. You need to connect a new Windows 10 laptop to the access point. How would you set up the security setting on the laptop?When it comes to WPA, there are two versions: WPA2-Personal and WPA2-Enterprise. WPA2-Personal allows you to set up WPA2 by using a shared password key. WPA2-Enterprise allows you to set up WPA2 by using a server for verification. Because all users are using AES with no shared password key, WPA2-Enterprise is the setting that you would choose.

Azure Active Directory

Provides AD-based authentication and identifies management for applications built on Azure. It is a cheaper option for smaller businesses.

169.x.x.x, the default address a computer is given.

What is an APIPA address and what is it used for? Your computer has received a ip address that starts with 169.254.x.x number and is not communicating with other computers on your network. What is causing this?

ping loopback 127.0.0.1 ::1

Which of the following addresses would you use with the PING command-line utility to test the loopback address of the local computer?

DHCP, APIPA, Static IP addressing

Which of the following options can be used to configure TCP/IP? Windows 10 offers four methods for configuring TCP/IP.

Broadcast request, WINS server

Which of the following options can be used to resolve NetBIOS names to IP addresses? Domain Name System (DNS) servers and HOSTS files are used to resolve hostnames to IP addresses.

IPCONFIG /flushdns

Which of the following options would you use with IPCONFIG to purge the DNS Resolver cache?

255.255.240.0

Which of the following subnet masks have ranges of 16?

ends in .255 x.x.x.255

Which one of these addresses is used for broadcast functions?

ipconfig /registerdns

You have a Windows 10 machine that needs to have a static TCP/IP address. Ou assign the IP address to the machine and you now want to register the computer with DNS. how can you fo this from the Windows 10 machine?

Change the network to 10.0.0.0/8 Class A Change the network to 172.16.0.0/16 Class B

You have been hired as a TCP/IP contractor for an organization who wants to redo their network. The company currently uses a 192.168.x.x class but they are projecting a hiring of over 500 new employees this year. They currently have 175 employees. They do not want to by a new TCP?IP class. What can you do to help them?

ipconfig/release ipconfig /renew Disable/ Enable Ethernet

You have two DHCP servers on your network. Your computer accidentally received the wrong IP and DNS server configuration from a DHCP server that was misconfigured. The DHCP server with the incorrect configuration has been disabled. What commands could you use to release and renew your computer's DHCP configuration?

Ipconfig /all

You need to view the TCP/IP details of a Windows 10 Enterprise system to make sure that the user is using DHCP and that the IP address is accurate. What command-line utility and switch can you use to do this?

Subscribe to Azure Active Directory.

Your organization has decided to implement Microsoft Active Directory. Your organization is worried because the budget does not allow them to purchase new hardware for the Active Directory installation. The server room has a UNIX server it uses for file and DNS access. What option can you tell them about that will allow the organization to have Active Directory?