741 Midterm

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For an IPAM server to be deployed in Windows Server 2016, it must meet the following hardware requirement

A dual‐core processor of at least 2.0GHz • 4GB or more of RAM • 80GB of free hard disk space

ISATAP

AN AUTOMATIC TUNNELING PROTOCOL USED BY THE WINDOWS WORKSTATION OPERATING SYSTEMS, WHICH ALLOWS YOU TO USE IPV6 APPLICATIONS ON AN IPV4 NETWORK BY EMULATING AN IPV6 LINK USING AN IPV4 NETWORK

After DHCP Discover

DHCP Offer

The DNS client is also known as

DNS resolver

IP address range

IP address ranges are the next hierarchical level of an IP address space, beneath the address block

CONFIGURATION IS BASED ON ROUTER ADVERTISEMENT MESSAGES, WHICH INCLUDE THE STATELESS ADDRESS PREFIXES. WHEN YOU ARE USING STATELESS AUTOCONFIGURATION, YOU ARE USING NATIVE IPV6 CONNECTIVITY

STATELESS

SOA records Serial Number

Shows the version or how many times the zone has been updated

Split scopes

Uses two DHCP servers to assign IP addresses. Eighty percent of the available addresses are assigned on the primary server, and 20% of the available addresses are assigned to a secondary server

Minimum TTL

Specifies a default Time to Live (TTL) value, which defines the default time. A resource record remains in a DNS cache

Start of Authority (SOA) record

Specifies authoritative information about a DNS zone, including the primary name server, the email of the domain administrator, the domain serial number, and the expiration and reload timers of the zone

benefits of IPV6

more efficient that IPv4

when you execute ifconfig /all

displays the full TCP/IP configuration for all adapters including host name, dns servers, and the physical address (or MAC address)

IPAM server

must be a domain member but cannot be a domain controller

Entering IP_Address in nslookup performs

a reverse lookup of IP address to hostname

DHCP client reservations

allow administrators to reserve an IP address for permanent use by a DHCP client. By using reservations, you can ensure that the host will always have the same IP address

The Group Policy‐based provisioning method creates the Group Policy Objects (GPOs) that

allow the required access settings on all the IPAM managed servers. The GPOs created are: • IPAM1_DHCP for DHCP servers • IPAM1_DNS for DNS servers • IPAM1_DC_NPS for domain controllers and NPS server

the dnscmd.exe command

allows an administrator to display and change properties of the DNS servers, zones, and resource record

IPAM server never communicates with

another IPAM server

dhcp.mdb file

automatically backs up synchronously every 60 minutes by default. To change the interval of automatic backups, you can modify the following registry REG_DWORD:

IP address blocks

highest‐level conceptual entities in an IP address space

Dynamic Host Configuration Protocol (DHCP) server

configured to provide the default gateway, primary, and secondary DNS information; WINS server; and DNS domain name

DHCP policy

consists of conditions and settings. A condition allows you to identify and group clients based on whether a specified criteria is equal or not equal to a specified value. The criteria include: • MAC address • Vendor class • User class • Client identifier • Relay Agent information, such as remote ID, circuit ID, and subscriber ID

IPAM Server console provides

dedicated Monitor and Manage section. Within this section, there are four categories: • DNS and DHCP Servers • DHCP Scopes • DNS Zones • Server Groups

FE80:0000:0000:0000

defines the network bits

the DNS socket pool

is a tool used to allow source port randomization for DNS queries which reduces the chances of an attacker guessing which IP address and port (socket) the DNS traffic uses

The RRSIG record

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

Compacting the DHCP database requires the use of

jetpack.exe, which is installed when the WINS Server feature is installed on the DHCP server

Entering hostname in nslookup

provides a forward lookup of the host name to IP address. if you type nslookup without any parameters, you start nslookup.exe in interactive mode.

Anycast

provides one‐to‐one‐of‐many transmission service to groups of interfaces, only the nearest of which (measured by the number of intermediate routers) receives the transmission. You typically use this for locating services or the nearest router.

Canonical Name (CNAME)

resource record is an alias for a host name. It is used to hide the implementation details of your network from the clients that connect to it, particularly if you need to make changes in the future

By using an external database

scalability, disaster recovery, and reporting

On the Lease Duration page

specify the length of the leases for the addresses in the scope. The default lease duration is set to 8 days

DHCP failover

supports two modes: Load Sharing and Hot Standby

To be able to manage the Windows Server 2008 DHCP and DNS roles using IPAM on Windows Server 2016,

the following requirements should be installed on the Windows Server 2008 or Windows Server 2008 R2 systems: Service Pack 2 on Windows Server 2008

DHCP failover is

time sensitive. The time between partners must be no greater than one minute.

Dynamic Host Configuration Identifier (DHCID)

track which machines originally requested which names.

What must be installed on DHCP Servers?

you must install the service and configure scopes on every computer that will function as a DHCP server. SCOPE MUST BE AUTHORIZED

Before you can create resource records

you need to first create the appropriate forward lookup zones and reverse lookup zones

Class D addresses

224.0.0.0 to 239.255.255.255

Only to servers listed on the Name Servers tab:

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

The IPAM client console options for importing IP address data from a comma‐separated value (CSV) file include the following

• Import IP Address Block • Import IP Address Ranges • Import IP Addresses • Import and Update IP Address Ranges

*automatically configures the ip configuration of a device

*correct answer is D

*nslookup without parameters

*point of record does not exist

STEP 2 Offer:

Any DHCP servers that receive the request review their pool of IP addresses (DHCP scope) and select one to offer to the client.

DHCP DATABASE

The database uses the Microsoft Jet Database Engine, which is stored in the %systemroot%\System32\Dhcp folder

IPAM supports

Windows Internal Database or Microsoft SQL Server

Invoke‐IpamGpoProvisioning

can be used to create IPAM provisioning GPOs

DHCP uses the same two ports for BOOTP

destination UDP port 67 for sending data to the server and UDP port 68 for sending data to the client. DHCP uses TCP port 647 to listen for failover traffic. The DHCP installation automatically creates the following inbound and outbound firewall rules

The process for securing a zone using DNSSEC is called

signing the zone. once signed, any queries on the signed zone return THE BOTTOM LINE Windows Server 2016 includes a number of DNS security feature


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