MidTerm NetW241

Which of the following is an example of a top-level domain?

.net

Which value for DNS cache locking is considered to be the optimal setting?

100

Which of the following is an example of a valid IPv4 address?

192.29.1.42

Which of the following is the default size of the DNS socket pool?

2,500

Which of the following is an example of a valid IPv6 address?

21cd:0053:0000:0000:e8bb:04f2:003c:c394

Certain IPv6 addresses can be contracted. Which of the following is the shortened form of 21cd:0053:0000:0000/64?

21cd:53::/64

Which of the following networks represents the multicast network space, as defined?

224.0.0.0 to 239.255.255.255

Which of the following represents the correct default subnet mask used with Class A networks?

255.0.0.0

When creating a multicast scope in Windows Server 2012 R2, and later, the default lease time is set to which of the following?

30 days

IPv4 addresses use an address space that is _____ bits long, as compared with IPv6 addresses, which use an address space that is _____ bits long.

32, 128

How far into the lease period does a DHCP client go before requesting a renewal of the IP address?

50%, or at four days into the lease

Which TCP/UDP port does the DNS service use to communicate?

53

When configuring DHCP failover partners, the time synchronization between the partners is critical. Which of the following is the maximum allowable time skew between DHCP failover partners?

60 seconds

Which of the following is the technology intended to help transition IPv4 networks to IPv6, by expressing IPv4 addresses in IPv6 format?

6to4

Which of the following is the default lease period for DHCP dynamic address allocation?

8 days

When configuring split scopes for DHCP, which of the following is the traditional percentage split of the scope range?

80% to the primary server, 20% to the secondary server

A client has a server named server1.blah.com and wants to use it as a web server, but wants to have requests point to www.blah.com. Which type of DNS record should he create?

A CNAME record

Which of the following is an example of Automatic Private IP Addressing (APIPA) in IPv4?

A Windows workstation that assigns itself an address on the 169.254.0.0./16 network

Which of the following is an example of an SRV record?

AD server

The main page of a company's intranet portal is accessible by the FQDN home.na.adatum.corp. Which of the following actions should be taken to configure an entry in the GlobalNames zone for this?

Add a single CNAME record pointing to the A record in another zone.

Which of the following options is the best way to delegate administrative access to those employees who need to be able to manage DNS?

Add the user's Active Directory accounts to a special global security group created for this purpose (e.g., DNS Service Managers) and then add that group to the DNS Admins local group.

Which of the following is the primary reason IPv6 has not completely replaced IPv4?

Administrators are hesitant and reluctant to change.

Which of the following can be imported into IPAM using the IPAM console?

All of the above (IP addresses IP address blocks IP address ranges)

By default, zone transfers are disabled. Three different zone transfer methods are available to choose from. Which of the following describes the To any server method?

Allows a data transfer to any server that asks for a zone transfer (least secure)

Which of the followings statements regarding requirements for an IPAM server is false?

An IPAM server can be a domain controller.

Which IPv6 address type identifies the routers within a given address scope and sends traffic to the nearest router, as determined by the local routing protocols?

Anycast address

How are values for DNS cache locking expressed?

As a percentage of the TTL

Round-robin DNS refers to which of the following kinds of distribution mechanisms for DNS responses to queries?

Balanced

Which of the following terms describes the network transmissions method where packets are sent from one host to all other hosts?

Broadcast

Which of the following is a subnetting method that enables placing the division between the network bits and the host bits anywhere in the address, not just between octets?

CIDR

Which of the following is another designation for an Alias?

Canonical name or CNAME

As defined by the original Internet Protocol standard, which of the following choices identifies the three classes of IP addresses used for networks and what differentiates them?

Class A, B, C, differing by how many bits distinguish the networks from the hosts

Which of the following services does Dynamic Host Configuration Protocol (DHCP) provide?

Configures the IP address and other TCP/IP settings on network computers

Which of the following steps must be completed in order to ensure a network printer is assigned the same address through the DHCP server?

Create a reservation in the DHCP scope.

Which of the following DHCP high-availability options in Windows Server 2016 allows you to configure two servers to provide DHCP with a load sharing arrangement?

DHCP failover

There are three identities within an organization: contoso.com, adatum.com, and litware.com. Which of the following can be used to specify an FQDN-based condition based on the DNS suffix?

DHCP policy

Which of the following is the name of the configurable objects in DHCP that contain the range of IP addresses that can be allocated to clients?

DHCP scopes

Which of the following is the first packet sent to a DHCP server when a computer boots up?

DHCPDISCOVER

How do DHCP servers respond to a DHCPDISCOVER message?

DHCPOFFER

Which of the following categories will you not find in the Monitor and Manage section of the IPAM console?

DNS Zone Records

Which of the following is another term for DNS client?

DNS resolver

Regarding DNSSEC, once a zone is signed, the new record(s) created is(are) which of the following?

DNSSEC resource records

The dnscmd command can be used to create zones. Which other tasks can be performed with it?

Deleting resource records

After a DNS zone has been secured with DNSSEC, which additional data will be returned to a client as a result of a query?

Digital signatures for the returned records

Which kinds of servers should not be DHCP clients?

Domain controllers, Internet web servers, and DHCP servers

Which of the following is the name of the special resource record that Windows Server 2016 DHCP will create to track which machine originally requested a specific name in DNS?

Dynamic Host Configuration Identifier

Once all IPAM server setup tasks are complete, several scheduled tasks run on the IPAM server. How often does the process run that collects IP address space usage data from DHCP servers?

Every 2 hours

Once all IPAM server setup tasks are complete, several scheduled tasks run on the IPAM server. How often does the process run that collects zone status events from DNS servers?

Every 30 minutes

By default, how often does a backup of the DHCP database occur?

Every 60 minutes

If a DNS server problem is corrected, such as renaming a system or changing its IP address, but the local system still attempts to connect to the old system, which of the following should be done to obtain the new information from the DNS server quickly?

Execute ipconfig /flushdns.

Which of the following forces a system to update its DNS record?

Execute ipconfig /registerdns.

Which of the following is one of the primary advantages to using Active Directory to store DNS information?

Fault tolerance

Which of the following is the purpose of a priority number in MX records?

For fault tolerance

Which type of DNS zone resolves host names to IP addresses?

Forward lookup zone

The acronym FQDN stands for which of the following?

Fully qualified domain name

In the IPv6 space, which of the following is the equivalent of a registered IPv4 address, routable worldwide and unique on the Internet?

Global unicast address

Which of these IPv6 address types is best used for hosts that are reachable from the Internet?

Global unicast addresses

Which feature of Windows Server 2016 DNS is intended to eliminate the need for WINS by providing support for single-label names?

GlobalNames zone

IPv6 addresses are written using which number system?

Hexadecimal

DNS has which of the following types of structures?

Hierarchical distributed

Any specific, individual computer or other network device with an IP address in a domain is known as which of the following?

Host

In Window Server 2016 PAM, which of the following is the highest-level entity within the IP address space?

IP address block

In Window Server 2016 IPAM, which of the following is the second-highest-level entity within the IP address space?

IP address range

The Domain Name System (DNS) works much like a phone book to associate URLs (names) with which kinds of numbers?

IP addresses

Which of the following is the best answer regarding the management capabilities of Windows Server 2016 IPAM?

IPAM cannot manage DNS servers other than those running on Windows Server 2008 and later.

Which tunneling protocol emulates an IPv6 link using an IPv4 network, primarily for Windows workstation operating systems?

ISATAP

Which of the following best describes Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)?

ISATAP emulates an IPv6 link for use on an IPv4 network.

DNS servers contain several different types of resource records with which administrators need to be familiar. Which of the following is the correct definition for Name Server (NS) records?

Identifies a DNS server that is authoritative for a zone

DNS servers contain several different types of resource records with which administrators need to be familiar. Which of the following is the correct definition for Canonical Name (CNAME) records?

Identifies an alias for a host name

How does DHCP scope creation differ in Windows Server 2012, and Windows Server 2016?

In Windows Server 2012 and Windows Server 2016, creating the scope is done separately, after adding the DHCP Server role.

Which PowerShell cmdlet is the correct one to use to create the IPAM provisioning GPOs?

Invoke-IpamGpoProvisioning

Issuing the nslookup command with no parameters on a system results in which of the following?

It places you into nslookup's interactive mode.

Which of the following is the purpose of DNS cache locking?

It prevents an attacker from replacing records in the resolver cache while the Time to Live (TTL) is still in force.

Which database engine is used for the DHCP database in Windows Server 2012 R2?

Jet

Regarding DNSSEC, which of the following is used to sign the DNSKEY records at the root of the zone?

Key Signing Key

In the IPv6 space, which type of network address do systems automatically assign themselves, similar to an APIPA address in IPv4?

Link-local unicast address

Which of the following is the primary advantage to enabling round-robin DNS?

Load balancing

DNS servers contain several different types of resource records with which administrators need to be familiar. Which of the following is the correct definition for Host (A and AAAA) records?

Maps a domain/host name to an IP address

If an A record maps a host name to an IP address, which of the following does an AAAA record do?

Maps a host name to a single IPv6 address

Which term describes the network transmissions method where packets are sent from one to a specific group of other hosts?

Multicast

By using the Active Directory-integrated zone, DNS follows which kind of model?

Multimaster

How can multiple IPAM servers be configured to communicate with each other?

Multiple IPAM servers cannot be configured to communicate with each other.

A stub zone is a zone copy that contains only which type of records?

Necessary resource entries

Which Windows Server 2016 DNS feature prioritizes DNS responses based on the subnet of the requesting client?

Netmask ordering

Given the IPv6 address: 21cd:001b:0000:0000/8, the "/8" at the end of the address signifies which of the following?

Network bits

Which of the following is the primary benefit of the IPv6 address space over the IPv4 address space?

Number of possible hosts and networks

Which DHCP client option is used to provide a list of domain names to use in name resolution queries?

Option 15

Which DHCP client option is used to provide a list of IP addresses for the default gateway to the client?

Option 3

Which DHCP client option is used to provide a list of IP addresses for WINS servers?

Option 44

Which DHCP client option is used to provide a list of IP addresses for DNS servers?

Option 6

In general terms, there are three ways a computer receives an IPv4 or IPv6 address. Which of the following is not one of them?

Peer allocation

Which of the following is the first and most important step in installing and deploying DNS in your network?

Planning the infrastructure and service requirements

Which of the following roles must be installed in order to deploy a DHCP Relay Agent on Windows Server 2012, and later?

Remote Access

DNS servers contain several different types of resource records with which administrators need to be familiar. Which of the following is the correct definition for Pointer (PTR) records?

Resolves host names from IP addresses

By default, zone transfers are disabled. Three different zone transfer methods are available to choose from. Which of the following describes the Only to servers listed on the Name Servers tab method?

Restricts zone transfers to secondary DNS servers as defined with NS resource records

By default, zone transfers are disabled. Three different zone transfer methods are available to choose from. Which of the following describes the Only to the following servers method?

Restricts zone transfers to those servers specified in the accompanied list

Which of the following is the function of the NSEC record?

Returned to positively deny that the requested A record exists in the zone

Which of the following is the function of the RRSIG record?

Returned to the client in response to a successful query along with the A record

Before creating PTR records, which DNS objects must be created?

Reverse lookup zones

Which DNS record contains the serial number for the zone?

SOA record

As it pertains to IPAM, which of the following is the name of the process of retrieving a list of all domain controllers, DNS servers, and DHCP servers?

Server discovery

Which DNS security feature in Windows Server 2016 can be configured to allow source port randomization for DNS queries?

Socket pool

Rather than manually assign IPv6 addresses to computers, administrators can ensure each Windows computer receives a link-local unicast address upon starting in which of the following ways?

Stateless IPv6 address autoconfiguration

On which port does DHCP failover listen for failover traffic?

TCP port 647

Which IPv4 to IPv6 transition technology works through NAT IPv4 routers by establishing tunnel endpoints behind non-IPv6 routers that encapsulate IPv6 packets with UDP datagrams?

Teredo

Which of the following encapsulates IPv6 packets within User Datagram Protocol (UDP) datagrams between two registered IPv4 nodes in order to traverse IPv4 networks?

Teredo

By default, where are the DNS debug logs written?

The %SYSTEMROOT%\System32\Dns folder

To make use of Preboot Execution Environment (PXE) and Windows Deployment Services (WDS), which special configuration is needed on the server and client?

The DHCP server on the network must have a custom PXEClient option (option 60) configured with the location of the WDS server on the network.

Which of the following is the net effect if recursion is disabled on a DNS server and the DNS server does not have any forwarding or root hints configuration present?

The DNS server will be able to provide only answers to queries about internal DNS zones.

The command nslookup 192.168.1.50 is issued but gets no response. Then, the command nslookup server1 is issued and receives 192.168.1.50 as a response. Based on this scenario, which of the following must be true?

The PTR record doesn't exist.

In which of the following ways does a DHCP client communicate which offered IP address it will accept from which DHCP server?

The client sends a DHCPREQUEST message to all servers with the IP address of the chosen DHCP server.

As an administrator for your company, you are trying to determine why a user cannot connect to any network resources. When you execute the ipconfig command, you see that the user has a 169.254.4.4/16 address. Which of the following is the problem?

The client was not able to connect to a DHCP server.

Time to Live (TTL) means which of the following in DNS parlance?

The length of time a record remains in a DNS cache

Which of the following statements regarding the server requirements for an IPAM server is false?

The server must be running Windows Server 2008 R2 or later.

A Start of Authority record specifies which kind of information about a zone?

The zone serial number

Which of the following is one advantage of subdomains?

They allow you to break up larger domains into smaller, more manageable ones.

Which of the following is the key benefit of DHCP manual IP address allocation compared with an administrator manually configuring the IP address?

This prevents accidental duplication of permanently assigned IP addresses.

When using automatic Group Policy-based provisioning of an IPAM server, several Group Policy Objects are created. How many Group Policy Objects are created?

Three

Which of the following represents the best usage of a superscope in DHCP?

To add more IP addresses in a new subnet

Which of the following is the major reason for using a forwarder?

To improve the efficiency of name resolution for your computers

Regarding DNSSEC, against which of the following will DNS clients verify digital signatures returned alongside a requested resource record?

Trust anchor

In the IPv6 space, which of the following is the equivalent of the 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16 private network addresses in IPv4?

Unique local unicast address

Which of the following does classless interdomain routing do to help reduce waste of IP addresses?

Uses subnetting method that divides between network bits and host bits anywhere, not only between octets

Which of the following features needs to be installed to compact the DHCP database?

WINS

By default, which database is used with IPAM?

Windows Internal Database

A company's environment includes multiple Windows Server versions: 2008 (including R2), 2012 (including R2), and 2016. Desktop operating systems include Windows Vista, 7, 8/8.1, and 10. To transition to IPv6, which versions have IPv6 support running by default?

Windows Server 2008 through Windows Server 2016 and Windows 7 through Windows 10 have IPv6 support running by default.

Regarding DNSSEC, which of the following is used to sign the zone data?

Zone Signing Key

Which of the following is an example of a second-level domain?

blah.com

Which of the following is an example of an FQDN?

computer1.sales.microsoft.com

Which of the following commands would correctly set the DNS socket pool to a value of 7,000?

dnscmd /Config /SocketPoolSize 7000

Which command is used to verify local DNS settings?

ipconfig /all

Which of the following is correct for querying a PTR record?

nslookup 192.168.1.50