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Questions and Answers
What is a valid IPv6 address?
What is a valid IPv6 address?
2001::1
What ipconfig command line option can be used to delete cached DNS information from memory?
What ipconfig command line option can be used to delete cached DNS information from memory?
/flushdns
What DNS record type is used to resolve a known IP address to a hostname?
What DNS record type is used to resolve a known IP address to a hostname?
Pointer Record
What type of DNS server is not configured with any zones, but fields DNS queries and sends iterative queries to upstream DNS servers and stores the results?
What type of DNS server is not configured with any zones, but fields DNS queries and sends iterative queries to upstream DNS servers and stores the results?
Which DNS Zone category contains PTR records that map IP addresses to names and is named after the IP network address of the computers whose records it contains?
Which DNS Zone category contains PTR records that map IP addresses to names and is named after the IP network address of the computers whose records it contains?
The FQDN of a name server that has authority over a domain is noted in what type of DNS record?
The FQDN of a name server that has authority over a domain is noted in what type of DNS record?
What type of DNS server is a DNS server to which other DNS servers send requests they can't resolve themselves?
What type of DNS server is a DNS server to which other DNS servers send requests they can't resolve themselves?
What option is available on a Host A record to tell the system how long the record should remain in the database after it was created or last updated?
What option is available on a Host A record to tell the system how long the record should remain in the database after it was created or last updated?
The binary number 11000000 represents what number below in decimal?
The binary number 11000000 represents what number below in decimal?
What type of DNS record is used to contain an alias for another record, allowing for the use of different names for the same host?
What type of DNS record is used to contain an alias for another record, allowing for the use of different names for the same host?
The decimal number 168 can be represented using what series of binary digits below?
The decimal number 168 can be represented using what series of binary digits below?
What specific protocol provides automatic IP address configuration and operates at the Application layer?
What specific protocol provides automatic IP address configuration and operates at the Application layer?
What DNS record type is used for an IPv6 host record?
What DNS record type is used for an IPv6 host record?
What type of DNS query causes a DNS server to respond with the best information in currently has in its local database?
What type of DNS query causes a DNS server to respond with the best information in currently has in its local database?
The 169.254.78.9 IP address is an example of what type of IP address?
The 169.254.78.9 IP address is an example of what type of IP address?
On which UDP port do DHCP server listen for DHCP client messages?
On which UDP port do DHCP server listen for DHCP client messages?
What specific term is best used to describe a computer making a DNS query?
What specific term is best used to describe a computer making a DNS query?
What formatted unit of data has an error-checking cod called the frame check sequence and is ready to be transferred on the network medium?
What formatted unit of data has an error-checking cod called the frame check sequence and is ready to be transferred on the network medium?
When data within a zone changes, what information in the SOA record changes to reflect that the zone information should be replicated?
When data within a zone changes, what information in the SOA record changes to reflect that the zone information should be replicated?
A valid reverse lookup zone consists of the network ID's octets in reverse order, with what at the end of the name?
A valid reverse lookup zone consists of the network ID's octets in reverse order, with what at the end of the name?
How can an administrator retrieve the IP address settings of a computer using PowerShell?
How can an administrator retrieve the IP address settings of a computer using PowerShell?
The responsible person section of an SOA record contains what information?
The responsible person section of an SOA record contains what information?
Which of the following best defines a computer used as a server?
Which of the following best defines a computer used as a server?
Which of the following best describes a Windows Client OS?
Which of the following best describes a Windows Client OS?
Which of the following is a service supported by Windows 10?
Which of the following is a service supported by Windows 10?
Which new features in Windows Server 2016 isolates applications and shares the host OS kernel?
Which new features in Windows Server 2016 isolates applications and shares the host OS kernel?
In CIDR notation, the subnet mask 255.255.255.0 is what prefix?
In CIDR notation, the subnet mask 255.255.255.0 is what prefix?
What command line utility can be used to display the default route, as well as all routing table entries?
What command line utility can be used to display the default route, as well as all routing table entries?
How many bits make up an IPv4 address vs an IPv6 address?
How many bits make up an IPv4 address vs an IPv6 address?
How many usable host addresses exit within a network with a CIDR prefix of /23?
How many usable host addresses exit within a network with a CIDR prefix of /23?
What command can be used to send test queries to a target DNS server?
What command can be used to send test queries to a target DNS server?
An IPv4 octet represents how many binary bits?
An IPv4 octet represents how many binary bits?
Which prefix is used by all Teredo related addresses?
Which prefix is used by all Teredo related addresses?
What technique is used by computers to determine the network ID of an IP address?
What technique is used by computers to determine the network ID of an IP address?
Which of the following best describes when a packet is addressed so that more than one destination can receive it and the first octet is in the range 224 to 239?
Which of the following best describes when a packet is addressed so that more than one destination can receive it and the first octet is in the range 224 to 239?
Which of the following is not a standard component of Teredo tunneling?
Which of the following is not a standard component of Teredo tunneling?
Which of the following allows the reallocation of bits from the network portion of an IP address to the host portion, combining subnets?
Which of the following allows the reallocation of bits from the network portion of an IP address to the host portion, combining subnets?
What contains the destination and source port numbers used to identify Application-layer protocols, and is the Transport-layer data unit?
What contains the destination and source port numbers used to identify Application-layer protocols, and is the Transport-layer data unit?
An administrator working on a Windows Server 2016 Server Core installation needs to disable DHCP all interfaces on the server. What PowerShell command should be used?
An administrator working on a Windows Server 2016 Server Core installation needs to disable DHCP all interfaces on the server. What PowerShell command should be used?
What protocol in the TCP/IP suite provides reliable data transfer between applications at the Transport-layer?
What protocol in the TCP/IP suite provides reliable data transfer between applications at the Transport-layer?
The IP address 129.53.82.20 falls under what IP address class?
The IP address 129.53.82.20 falls under what IP address class?
What specific server configuration is connected to different IP networks using two or more NICs?
What specific server configuration is connected to different IP networks using two or more NICs?
Which of the following is the Physical-layer address that is an integral part of a network interface card?
Which of the following is the Physical-layer address that is an integral part of a network interface card?
What command displays the route packets take between two computers?
What command displays the route packets take between two computers?
What protocol resolves a computer's IPv4 address to its physical address, or Media Access Control (MAC) address?
What protocol resolves a computer's IPv4 address to its physical address, or Media Access Control (MAC) address?
DNS clients maintain a text file called Hosts that can contain static DNS entries, within what Windows directory is this file stored in?
DNS clients maintain a text file called Hosts that can contain static DNS entries, within what Windows directory is this file stored in?
An iterative query instructs the DNS server to process the query until it responds with an address that satisfies the query or what an "I don't know" message.
An iterative query instructs the DNS server to process the query until it responds with an address that satisfies the query or what an "I don't know" message.
DNS audit events track changes to a DNS server such as when zone or resource changes are made.
DNS audit events track changes to a DNS server such as when zone or resource changes are made.
How should an administrator test the functionality of DNS operation on a domain controller, as well as troubleshoot issues with DNS forwarders, delegation, dynamic updates, and record registration?
How should an administrator test the functionality of DNS operation on a domain controller, as well as troubleshoot issues with DNS forwarders, delegation, dynamic updates, and record registration?
In a zone's Properties dialog box, what option is unavailable under Dynamic updates for only standard zones?
In a zone's Properties dialog box, what option is unavailable under Dynamic updates for only standard zones?
The .com, .net and .edu are all examples of what level of the DNS naming hierarchy?
The .com, .net and .edu are all examples of what level of the DNS naming hierarchy?
The MX record type is used to designate mail exchangers or mail server for e-mail.
The MX record type is used to designate mail exchangers or mail server for e-mail.
The default setting for a secondary zone's refresh interval is how many minutes?
The default setting for a secondary zone's refresh interval is how many minutes?
The entire DNS tree is called the DNS namespace.
The entire DNS tree is called the DNS namespace.
The use of WINS forward lookup is enabled by default.
The use of WINS forward lookup is enabled by default.
What command option for the dnscmd command lists all zones on the server?
What command option for the dnscmd command lists all zones on the server?
Which DNS zone type contains a read/write master copy of all resource records for the zone?
Which DNS zone type contains a read/write master copy of all resource records for the zone?
Which Windows command line utility below can be used to check for resource records on a server, verify delegations, verify resources records for AD replication, and perform e-mail connectivity tests?
Which Windows command line utility below can be used to check for resource records on a server, verify delegations, verify resources records for AD replication, and perform e-mail connectivity tests?
Which of the following options can an administer enable to improve DNS security?
Which of the following options can an administer enable to improve DNS security?
A Resource Record Signature (RRSIG) key contains the signature for a single resource record, as an A or an MX record.
A Resource Record Signature (RRSIG) key contains the signature for a single resource record, as an A or an MX record.
A stub zone is authoritative for the zone
A stub zone is authoritative for the zone
DNSSEC provides confidentiality pf data through the use of encryption.
DNSSEC provides confidentiality pf data through the use of encryption.
How does DNS resolve an NS record to an IP address?
How does DNS resolve an NS record to an IP address?
Scavenging parameters set at the zone level override those set at the server level.
Scavenging parameters set at the zone level override those set at the server level.
The default scavenging value is set to what value by default?
The default scavenging value is set to what value by default?
What DNS policy specifies how DNS queries are handled by the DNS server?
What DNS policy specifies how DNS queries are handled by the DNS server?
Which of the following is a task you should perform before installing server roles and features? (Choose all that apply)
Which of the following is a task you should perform before installing server roles and features? (Choose all that apply)
A DHCP server sends information back to a client on what UDP port?
A DHCP server sends information back to a client on what UDP port?
If a DHCP server does not respond to a client's first renewal request, how long will the client keep its current address until initiating the next lease renewal request?
If a DHCP server does not respond to a client's first renewal request, how long will the client keep its current address until initiating the next lease renewal request?
Flashcards
Valid IPv6 Address
Valid IPv6 Address
A valid IPv6 address example.
ipconfig /flushdns
ipconfig /flushdns
Deletes cached DNS information from memory.
PTR Record
PTR Record
Resolves a known IP address to a hostname.
Caching-Only Server
Caching-Only Server
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Reverse Lookup Zone
Reverse Lookup Zone
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NS Record
NS Record
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Forwarder Server
Forwarder Server
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Time to Live (TTL)
Time to Live (TTL)
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11000000 in decimal
11000000 in decimal
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CNAME Record
CNAME Record
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168 in Binary
168 in Binary
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DHCP
DHCP
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AAAA Record
AAAA Record
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Iterative Query
Iterative Query
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APIPA
APIPA
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DHCP Server Port
DHCP Server Port
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DNS resolver
DNS resolver
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Frame
Frame
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Serial Number (SOA record)
Serial Number (SOA record)
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in-addr.arpa
in-addr.arpa
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Get-NetIPConfiguration
Get-NetIPConfiguration
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Responsible person (SOA record)
Responsible person (SOA record)
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Server Definition
Server Definition
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Windows Client OS
Windows Client OS
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Windows 10 Service
Windows 10 Service
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Windows Server 2016 Feature
Windows Server 2016 Feature
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255.255.255.0 in CIDR notation
255.255.255.0 in CIDR notation
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Command line-utility to display routing table
Command line-utility to display routing table
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DHCP server UDP port to send info back
DHCP server UDP port to send info back
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DHCP client renewal request
DHCP client renewal request
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Study Notes
- These are study notes based on the text provided
Chapter 1 & 2 Quiz Questions
- A valid IPv6 address is 2001::1
- The ipconfig command-line option
/flushdnsdeletes cached DNS information from memory. - A Pointer Record is the DNS record type for resolving a known IP address to a hostname.
- A catching-only server is not configured with any zones, but forwards DNS queries, sends iterative queries to upstream DNS servers, and stores the results.
- The DNS Zone category containing PTR records that map IP addresses to names is the Reverse Lookup zone.
- The FQDN of a name server with authority over a domain is noted in an NS record.
- A Forwarder server is a DNS server to which other DNS servers send requests they can't resolve.
- Time to Live (TTL) specifies how long a Host A record remains in the database after creation or update.
- The binary number 11000000 represents 192 in decimal.
- A CNAME record contains an alias for another record, allowing different names for the same host.
- The decimal number 168 can be represented by the binary digits 10101000.
- DHCP provides automatic IP address configuration and operates at the Application layer.
- The DNS record type used for an IPv6 host record is AAAA.
- An Iterative query prompts a DNS server to give the best information from its local database.
- The IP address 169.254.78.9 is an example of Automatic Private IP Addressing (APIPA).
- The DHCP server listens on UDP port 67 for DHCP client messages.
- A computer making a DNS query is best described as a DNS resolver.
- A frame, a formatted unit of data, has an error-checking code called the frame check sequence
- When data changes within a zone, the Serial number in the SOA record changes to indicate that replication is needed.
- A valid reverse lookup zone ends with in-addr.arpa and consists of the network ID's octets in reverse order.
- An administrator can retrieve IP address settings with the PowerShell command Get-NetIPConfiguration.
- The email address of the responsible person is in the responsible person section of an SOA record.
Chapter 1: MCSA Guide to Networking with Windows Server 2016
- A computer with OS software that includes directory services and domain name services best defines a computer used as a server.
- A Windows Client OS supports a limited number of signed-in network users.
- Hyper-V is a service supported by Windows 10
- Windows Containers is a new feature in Windows Server 2016, isolates applications, and shares the host OS kernel.
- In CIDR notation, the subnet mask 255.255.255.0 is a /24 prefix.
- The
routecommand-line utility displays the default route and all routing table entries. - IPv4 addresses are made up of 32 bits, while IPv6 addresses use 128 bits.
- A network with a CIDR prefix of /23 has 510 usable host addresses.
Server 2016 Chapter 1
- The
nslookupcommand can send test queries to a target DNS server. - An IPv4 octet represents 8 binary bits.
- The prefix
2001::/32is used by all Teredo related addresses. - Computers use a logical AND operation to determine the network ID of an IP address.
- Multicasting is when a packet is addressed so that more than one destination can receive it, and the first octet is in the range 224 to 239.
- A teredo proxy is not a standard component of Teredo tunneling.
- Supernetting allows reallocation of bits from the network portion of an IP address to the host portion, combining subnets.
- A segment contains destination and source port numbers used to identify Application-layer protocols and is the Transport-layer data unit.
- The PowerShell command
set-NetIPInterfacedisables DHCP on all interfaces on a Windows Server 2016 Server Core installation. - TCP provides reliable data transfer between applications at the Transport Layer in the TCP/IP suite.
- The IP address 129.53.82.20 falls under Class B.
- A multihomed server configuration connects to different IP networks using two or more NICs
- A MAC address is the Physical-layer address and an integral part of a network interface card
- The
tracertcommand displays the route packets take between two computers. - Address Resolution Protocol (ARP) resolves a computer's IPv4 address to its physical address or Media Access Control (MAC) address.
Chapter 2: MCSA Windows Server 2016
- DNS clients store the Hosts file, containing static DNS entries, in the
%systemroot%\System32\drivers\etcdirectory.
MCSA Guide to Networking with Windows Server 2016, Chapter 2
- An iterative query guides the DNS server to process the query until it responds with an address that satisfies the query or what an "I don't know" message, this statement is false.
- DNS audit events track changes to a DNS server such as when zone or resource changes are made; this statement is true.
- An administrator should use
dcdiag/test:dnsto test DNS operation functionality on a domain controller and troubleshoot issues with DNS forwarders, delegation, dynamic updates, and record registration. - The "The secure only option" is unavailable under Dynamic updates for only standard zones in a zone's Properties dialog box.
.com,.net, and.eduare examples of top-level domain names.- An MX record type designates mail exchangers or mail server for e-mail, this statement is true
- The default refresh interval for a secondary zone is 15 minutes.
- The entire DNS tree is called the DNS namespace; this statement is true.
- The use of WINS forward lookup is enabled by default, this statement is false.
- The
dnscmdcommand uses the/enumzonesoption to list all zones on the server. - A primary DNS zone type contains a read/write master copy of all resource records for the zone.
Chapter 3
- The
dnslintcommand-line utility checks for resource records on a server, verifies delegations and resource records for AD replication, and performs e-mail connectivity tests. - Administrators can improve DNS security by disabling dynamic updates.
MCSA Windows Server 2016 - CHAP 3
- A Resource Record Signature (RRSIG) key contains the signature for a single resource record, as an A or an MX record, this statement is true.
- A stub zone is authoritative for the zone, this statement is false.
- DNSSEC provides confidentiality of data through the use of encryption, this statement is false.
- DNS resolves an NS record to an IP address using a glue A record.
- Scavenging parameters set at the zone level override those set at the server level, this statement is true.
- The default scavenging value is set to 7 days.
- A query resolution policy specifies how DNS queries are handled by the DNS server.
MCSA Guide to Networking with Windows Server 2016, Chapter 3
- Tasks to perform before installing server roles and features include setting a strong Administrator password, configuring a static IP address, and ensuring security updates are current.
Chapter 4, MCSA Windows Server 2016
- A DHCP server sends information back to a client on UDP port 68.
- If DHCP server doesn't respond to first renewal request, client keeps its current address until 87.5% of lease interval expires.
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Description
Test your knowledge of networking fundamentals with this quiz covering IPv6 addresses, DNS records (PTR, NS, CNAME), and server configurations. Explore concepts like forwarders, TTL, and binary-to-decimal conversion. Perfect for students!
