NOS Final
What resource record type defines an IPv6 host address in DNS? - ✔✔AAAA record
What is the first step in troubleshooting an issue where a single computer is unable to lease an
address? - ✔✔Confirming that the computer has a physical connection to the network
When some computers have incorrect address information, you should check for the presence of
unauthorized DHCP servers on the network running a non-Windows operating system and remove
them if found. T/F - ✔✔True
Which of the following is true of WINS? - ✔✔It can only resolve NetBIOS names to IPv4 addresses.
Which of the following organizations does not need to install a WINS server? - ✔✔An organization
that has disabled NetBIOS on its computers
You are investigating strange traffic on your network and wish to resolve an IP address to a DNS
name.
What resource record should you use to perform a reverse lookup? - ✔✔A PTR record
You are the administrator for an Active Directory domain and have been tasked with improving the
response time for resolving DNS queries for resources in a second company-owned domain that
does not use Active Directory.
What type of zone can be used to accomplish this task with minimal overhead? - ✔✔A stub zone
Lashonda sets up a DNS server, SERVER1, with a forward lookup zone called domainA.com. It hosts
the resource records for the domainX.com Active Directory domain. It contains host (A) records for
two network interfaces on SERVER1 (172.16.0.10 and 192.168.1.50). The host records are
associated with the FQDNs server1.domainA.com and domainA.com. There is also an SOA record
and an NS record for the zone.
Which of the following records identifies SERVER1 as an authoritative DNS server? - ✔✔The NS
record
Which of the following represents the maximum amount of time that a DNS server or resolver is
allowed to cache the result of a forward lookup? - ✔✔TTL
A user complains that they are unable to contact a specific server in your organization. You remember
that you recently modified the A record for this server on your organization's Active
Directory-integrated DNS server. Which troubleshooting step should you try first to remedy the issue?
- ✔✔Clear the DNS cache on the user's computer
, Regarding the deployment of Windows Server 2019 VPN services, what VPN protocol is considered
the least secure option? - ✔✔PPTP
You are configuring a Windows Server 2019 VPN server using L2TP and NAT. What is NOT one of
the ports that needs to be opened on the firewall for this configuration to work? - ✔✔TCP 1723
The Layer Two Tunneling Protocol uses what set of standards to provide encryption and security for a
tunnel? - ✔✔IP Security (IPSec)
You have been tasked with implementing a VPN server that will allow clients to connect from mobile
networks and from networks that utilize restrictive firewalls. What VPN tunneling protocol has be best
chance to be successful, given the constraints? - ✔✔Secure Socket Tunneling Protocol
What remote access tunneling protocol encapsulates data within HTTP packets for transit across the
Internet? - ✔✔SSTP
What TCP port should be open and accessible to allow remote access VPN utilizing SSTP to
function? - ✔✔443
After installing Routing and Remote Access, a default remote access policy is created. What is the
default access permission defined in this policy? - ✔✔Deny access
When selecting authentication types for an RAS server, what is considered to be the most secure
authentication type? - ✔✔Extensible Authentication Protocol
A virtual private network (VPN) is a tunnel through a larger network and restricted to designated
member clients. T/F - ✔✔True
A demilitarized zone (DMZ) is a network portion existing between two or more networks of differing
security policies. T/F - ✔✔True
If multiple GPOs are linked to the same site, domain, or OU, they will be applied in a random order.
T/F - ✔✔False
By default, where are updates synchronized from in WSUS? - ✔✔Microsoft Update servers on the
Internet
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