Microsoft Networking 70-741 - MIDTERM (Chp 1-6)
Which of the following is an example of a top-level domain?
.net
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 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 value for DNS cache locking is considered to be the optimal setting?
100
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 an SRV record?
AD server
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)
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
How do DHCP servers respond to a DHCPDISCOVER message?
DHCPOFFER
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 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
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.
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
The Domain Name System (DNS) works much like a phone book to associate URLs (names) with which kinds of numbers?
IP addresses
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 of the following is one of the primary advantages to using Active Directory to store DNS information?
Fault tolerance
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 type of DNS zone resolves host names to IP addresses?
Forward lookup zone
Regarding DNSSEC, which of the following is used to sign the DNSKEY records at the root of the zone?
Key Signing Key
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 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
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 DNS record contains the serial number for the zone?
SOA record
A Start of Authority record specifies which kind of information about a zone?
The zone serial number
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
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 DNS security feature in Windows Server 2016 can be configured to allow source port randomization for DNS queries?
Socket pool
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
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.
Which of the following commands would correctly set the DNS socket pool to a value of 7,000?
dnscmd /Config /SocketPoolSize 7000
Which of the following is an example of a second-level domain?
blah.com
Which of the following is correct for querying a PTR record?
nslookup 192.168.1.50
Regarding DNSSEC, which of the following is used to sign the zone data?
Zone Signing Key
Which of the following is an example of an FQDN?
computer1.sales.microsoft.com
Which command is used to verify local DNS settings?
ipconfig /all
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 is another designation for an Alias?
Canonical name or CNAME
Which database engine is used for the DHCP database in Windows Server 2012 R2?
Jet
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
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
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
Which TCP/UDP port does the DNS service use to communicate?
53
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
Which of the following terms describes the network transmissions method where packets are sent from one host to all other hosts?
Broadcast
By using the Active Directory-integrated zone, DNS follows which kind of model?
Multimaster
A stub zone is a zone copy that contains only which type of records?
Necessary resource entries
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
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
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 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
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.
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 is the purpose of a priority number in MX records?
For fault tolerance
Which feature of Windows Server 2016 DNS is intended to eliminate the need for WINS by providing support for single-label names?
GlobalNames zone
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 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
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
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.
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 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.
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.
