nos-230-test2

Where are DHCP database backups stored by default? a. %systemroot%\System32\dhcp\dhcpbackup.txt b. %systemroot%\System32\dhcp\DhcpCfg c. %systemroot%\System32\dhcp\dhcp.mdb d. %systemroot%\System32\dhcp\backup\DhcpCfg

%systemroot%\System32\dhcp\backup\DhcpCfg

DNS clients maintain a text file called Hosts that can contain static DNS entries, within what Windows directory is this file stored? a. %systemroot%\drivers b. %systemroot%\dns\etc c. %systemroot%\System32\drivers\etc d. %systemroot%\System32

%systemroot%\System32\drivers\etc

Which type of IPv6 configuration uses router advertisements for prefix assignment? a. Stateless autoconfiguration b. Stateful autoconfiguration c. EUI-64 autoconfiguration d. Static autoconfiguration

Stateless autoconfiguration

Which high-availability option for DHCP should you configure if you want a DHCP server to operate in hot standby mode without having to configure shared storage? a. DHCP failover b. DHCP load balancing c. DHCP split scope d. DHCP server cluster

a. DHCP failover

Which of the following options can an administrator enable to improve DNS security? a. Do not allow dynamic updates b. Allow zone transfers c. Do not allow Active Directory Integrated Zones d. Notify

a. Do not allow dynamic updates

You have created a new DHCP scope with address range 192.168.1.1 to 192.168.1.254. You have five servers configured with static addresses in the range 192.168.1.240 to 192.168.1.244. You plan on configuring as many as ten more servers to use static addresses in the range 192.168.1.245 to 192.168.1.254. What should you configure on your scope? a. Exclusion range b. Reservations c. Different lease duration d. New prefix length

a. Exclusion range

What DHCP option within the DHCPREQUEST packet contains a client's FQDN? a. Option 81 b. Option 80 c. Option 61 d. Option 60

a. Option 81

What specific record type is found in every zone and contains information that identifies the server primarily responsible for the zone as well as some operational properties for the zone? a. Start of Authority Records b. Service Location c. Canonical Name d. Pointer Record

a. Start of Authority Records

Disabling an interface's binding on a DHCP server has what impact? a. The server no longer listens to UDP port 67 on the disabled binding b. The server no longer listens to UDP port 68 on the disabled binding c. The server no longer accepts traffic from any relay agents d. The server no longer applies scope policies for the scope the binding is in

a. The server no longer listens to UDP port 67 on the disabled binding

What command displays the route packets take between two computers? a. tracert b. arp c. ipconfig d. ping

a. tracert

What predefined option within DHCP may be necessary for some configurations of Windows Deployment Server? a. 080 WDS config b. 060 PXEClient c. 046 WINS/NBT Node type d. 044 WINS/NBNS Servers

b. 060 PXEClient

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? a. 60% of lease interval expired b. 87.5% of lease interval expired c. 75.5% of lease interval expired d. 80% of lease interval expired

b. 87.5% of lease interval expired

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? a. A record b. CNAME record c. AAAA record d. Pointer record

b. CNAME record

What formatted unit of data has an error-checking code called the frame check sequence and is ready to be transferred to the network medium? a. Packet b. Frame c. Data Unit d. Segment

b. Frame

The FQDN of a name server that has authority over a domain is noted in what type of DNS record? a. MX b. NS c. A d. PTR

b. NS

When data within a zone changes, what information in the SOA record changes to reflect that the zone information should be replicated? a. Refresh interval b. Serial number c. Minimum TTL d. Retry interval

b. Serial number

Which of the following DNS record types specifies a hostname and port number for servers that supply specific services? a. Start of Authority Records b. Service Location c. Pointer Record d. Canonical Name

b. Service Location

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? a. Set-DHCPClientSettings b. Set-NetIPInterface c. Set-NetIf d. Change-NetIPInterface

b. Set-NetIPInterface

You have expanded your current LAN from about 200 hosts to over 350 hosts. The first 200 hosts were getting IP addresses from a scope configured with the address range 10.1.1.1 to 10.1.1.250 with prefix length 24. You don't want to change the IP addressing scheme for the existing hosts, but you need to accommodate all 350 hosts with DHCP-assigned addresses. You don't have any VLANs or routers configured. What should you configure? a. Failover scope b. Superscope c. Multicast scope d. Split-scope

b. Superscope

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? a. link-local b. multicasting c. unicasting d. broadcasting

b. multicasting

What command can be used to send test queries to a target DNS server? a. ping b. nslookup c. tracert d. route

b. nslookup

What command option for the dnscmd command lists all zones on the server? a. /info b. /ipvalidate c. /enumzones d. /enumrecords

c. /enumzones

What is the absolute minimum value the DHCP lease duration can be set to? a. 30 minutes b. 5 minutes c. 1 minute d. 10 minutes

c. 1 minute

A DHCP server sends information back to a client on what UDP port? a. 70 b. 69 c. 68 d. 67

c. 68

The 169.254.78.9 IP address is an example of what type of IP address? a. IPv6 helper address b. DHCP address c. Automatic Private IP Addressing (APIPA) d. Static IP address

c. Automatic Private IP Addressing (APIPA)

How can an administrator retrieve the IP address settings of a computer using PowerShell? a. Show-IPAddr b. Get-IPconfig c. Get-NetIPConfiguration d. Show-NIC

c. Get-NetIPConfiguration

In a ping response packet, what does the TTL field indicate? a. Indicates how much time was spent looking for the IP address on the network. b. Indicates how long the IP address will be in use by the target computer c. How many hops the packet can go through before the packet is expired and discarded. d. The amount of time lost in the transit of the packet

c. How many hops the packet can go through before the packet is expired and discarded.

An IP address reservation is made by creating an association between an IP address and what type of client identifier? a. NIC GUID b. User Class c. MAC address d. Vendor Class

c. MAC address

You have installed a streaming video service on your network. You want selected hosts to be able to access this service via a dynamically assigned class D IP address. What do you need to configure? a. Relay agent b. IPv6 Autoconfiguration c. Multicast scope d. Superscope

c. Multicast scope

You want to configure two DHCP servers; one is running Windows Server 2012 R2, and the other is running Windows Server 2016. One will be the primary server, and the other should assign addresses to clients only if the primary server doesn't respond within about a second. You don't want replication to be part of the configuration. What should you configure? a. Multicast scope b. Relay agent c. Split scope d. DHCP failover

c. Split scope

What protocol in the TCP/IP suite provides reliable data transfer between applications at the transport-layer? a. ARP b. DHCP c. TCP d. UDP

c. TCP

At what point does a client send a unicast packet to the DHCP server to request a lease renewal for its current IP address? a. After 2 hours b. When the lease is 80% expired c. When the lease is 50% expired d. After 4 hours

c. When the lease is 50% expired

What technique is used by computers to determine the network ID of an IP address? a. supernetting b. subnetting c. logical AND operation d. classful addressing

c. logical AND operation

What type of DNS servers field DNS queries, send iterative queries to upstream DNS servers, or send requests to forwarders and then store the results? a. Authoritative server b. Forwarder server c. Authoritative server d. Caching-only server

d. Caching-only server

The IP address 129.53.82.20 falls under what IP address class? a. Class A b. Class C c. Class D d. Class B

d. Class B

What type of DHCP packet first initiates the IP address request sequence? a. DHCPACK b. DHCPREQUEST c. DHCPOFFER d. DHCPDISCOVER

d. DHCPDISCOVER

What specific term is best used to describe a computer making a DNS query? a. DNS helper b. DNS host c. DNS server d. DNS resolver

d. DNS resolver

You have just installed a DHCP server and created a new scope with the default options. A DHCP client leases an IP address at 8:00am on Monday, February 3rd. When will the client lease expire if it is never renewed? a. Later that day at 4:00pm b. Tuesday, February 4 at 8:00am c. February 6 at 4:00pm d. February 11 at 8:00am

d. February 11 at 8:00am

Which of the following is the Physical-layer address that is an integral part of a network interface card? a. Layer 3 address b. logical address c. Network address d. MAC address

d. MAC address

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? a. Primary zone b. Secondary zone c. Forward lookup zone d. Reverse lookup zone

d. Reverse lookup zone

The responsible person section of an SOA record contains what information? a. The SWIP account details for the zone b. The username responsible for the zone c. The name or organization responsible for the zone d. The email address of the responsible person

d. The email address of the responsible person

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? a. Update time b. Record time stamp c. Stale record d. Time to live

d. Time to live

What type of IPv6 address specifies a single interface on a device? a. Multicast address b. Broadcast address c. Anycast address d. Unicast address

d. Unicast address

What contains the destination and source port numbers used to identify Application-layer protocols, and is the Transport-layer data unit? a. frame b. packet c. data unit d. segment

d. segment

Which Windows command line utility below can be used to check for resource records on a server, verify delegations, verify resource records needed for AD replication, and perform e-mail connectivity tests? a. dnslint b. dig c. dcdiag d. nslookup

dnslint

What type of DNS query causes a DNS server to respond with the best information it currently has in its local database? a. Recursive query b. Local query c. Iterative query d. Extended query

Iterative query

Which prefix is used by all Teredo related addresses? a. 2001::/64 b. 2005:900d::1/16 c. 2002::/16 d. 2001::/32

2001::/32

What three-digit DHCP option defines the DNS domain name that will be configured on DHCP clients? a. 006 b. 015 c. 044 d. 003

. 015

The binary number 11000000 represents what number below in decimal? a. 224 b. 160 c. 240 d. 192

. 192

In CIDR notation, the subnet mask 255.255.255.0 is represented by what prefix? a. /22 b. /24 c. /23 d. /21

/24

ipconfig command line option can be used to delete cached DNS information from memory? a. /cleardns b. /reregisterdns c. /releasedns d. /flushdns

/flushdns

A DHCPINFORM request sent by a client will receive what message number from a DHCP server as an acknowledgment? a. 5 b. 6 c. 7 d. 8

5

How many bits make up an IPv4 address, versus an IPv6 address? a. 32; 128 b. 16; 32 c. 48; 128 d. 32; 48

a. 32; 128

What DNS record type is used for an IPv6 host record? a. SRV b. MX c. AAAA d. A

AAAA

What PowerShell cmdlet can be used to create a new Active Directory integrated primary zone? a. Install-IADPzone b. Install-DNSPrimaryZone c. Add-DnsServerPrimaryZone d. Add-ADPrimaryZone

Add-DnsServerPrimaryZone

Which DNS zone type contains a read/write master copy of all resource records for the zone? a. Glue zone b. Primary zone c. Secondary zone d. Stub zone

Primary zone

The decimal number 168 can be represented using what series of binary digits below? a. 10101000 b. 10011010 c. 11001000 d. 10111000

a. 10101000

How can a DHCP server be configured to not register A and PTR records if a DNS record with a different name already exists? a. By using the Name Protection option b. By enabling the "Always dynamically update DNS records" option c. By using the "Disable dynamic updates for DNS PTR records" option d. By enabling the "Discard A and PTR records when lease is deleted" option

By using the Name Protection option

How can an administrator attempt to automatically fix inconsistencies between DHCP summary lease information kept in the Registry and detailed lease information stored in the DHCP database? a. By using the Repair DHCP DB option b. By configuring failover and replicate failover scopes c. By using the Reconcile All Scopes option d. By defining a superscope to include affected scopes

By using the Reconcile All Scopes option

You just got a shipment of 10 network-attached laser printers. You want these printers to always have the same address but you want the addresses to be assigned via DHCP. What should you do? a. Configure reservations b. Assign static addresses c. Configure DHCP policies d. Create an exclusion range

Configure reservations

What specific protocol provides automatic IP address configuration and operates at the Application layer? a. DHCP b. TCP c. UDP d. DNS

DHCP

Who is responsible for the management of the Internet root servers? a. International Standards Organization (ISO) b. American Registry for Internet Numbers (ARIN) c. Internet Assigned Numbers Authority (IANA) d. Institute of Electrical and Electronics Engineers (IEEE)

Internet Assigned Numbers Authority (IANA)

Which option is NOT configured when you create a DHCPv6 scope? a. Preference b. Preferred Life Time c. Prefix d. Default gateway

Default gateway

You have two LANs connected via a router. Network 1 has a DHCP server with a single Ethernet interface. Network 2 does not have a DHCP server. You want the hosts on Network 2 to be able to get IP addresses from the DHCP server on Network 1. What should you configure? a. Relay agent on Network 2 b. Relay agent on Network 1 c. Split-scope on Network 2 d. Split-scope on Network 1

Relay agent on Network 2

On which UDP port do DHCP servers listen for DHCP client messages? a. 67 b. 69 c. 68 d. 66

a. 67

Which of the following is not a standard component of Teredo tunneling? a. Teredo client b. Teredo relay c. Teredo proxy d. Teredo server

Teredo proxy

In a zone's Properties dialog box, what option is unavailable under Dynamic updates for only standard zones? a. The Nonsecure and secure option b. Both the Nonsecure and secure and Secure Only options c. The None option d. The Secure only option

The Secure only option

What must be done before a Windows DHCP server, with a scope already defined, can begin providing services? a. The server must be authorized b. The server must be validated c. The server must be updated d. The server must be authenticated

The server must be authorized

How does a DHCP server respond to an IP request that can not be renewed? a. The server forwards the request b. The server sends a DHCPNACK c. The server sends a DHCPACK d. The server does not respond

The server sends a DHCPNACK

What specific server configuration is connected to different IP networks using two or more NICs? a. multiserver b. multihomed c. multizone d. RAID

multihomed