The term that define registered hosts according to their generic behavior, is called

NETWORKING - DNS MCQ

• Which of the following devices translates hostnames into IP addresses?
• The ____ translates internet domain and host names to IP address
• What does a DNS client called?
• The entire hostname has a maximum of
• Servers handle requests for other domains
• DNS database contains
• If a server has no clue about where to find the address for a hostname then
• Which one of the following allows client to update their DNS entry as their IP address change?
• Wildcard domain names start with label
• The right to use a domain name is delegated by domain name registers which are accredited by
• The domain name system is maintained by
• Which one of the following is not true?
• In a _______ name space, a name is assigned to an address. A name in this space is a sequence of characters without structure
• In a _________name space, each name is made of several parts
• To have a hierarchical name space, a ______________ was designed
• In the DNS, the names are defined in ___________ structure
• Each node in the tree has a _______, which is a string with a maximum of ___ characters
• The root of the DNS tree is _______
• A full domain name is a sequence of labels separated by ________
• If a label is terminated by a null string, it is called a __________
• If a label is not terminated by a null string, it is called a __________
• A _________ is a subtree of the domain name space
• What a server is responsible for or has authority over is called a _________
• A _______ is a server whose zone consists of the whole tree
• A ________ server loads all information from the disk file
• A ________ server loads all information from the primary server
• When the secondary downloads information from the primary, it is called ______ transfer
• In the Internet, the domain name space (tree) is divided into _______ different sections:
• The _______ domains define registered hosts according to their generic behavior
• The first level in the generic domains section allows ______ possible labels
• The ____________ domain section uses two-character country abbreviations
• The _________ domain is used to map an address to a name
• In __________ resolution, the resolver expects the server to supply the final answer
• In __________ resolution, the server returns the IP address of the server that it thinks can resolve the query
• In the domain name chal.atc.fhda.edu, _______ is the least specific label
• In the domain name chal.atc.fhda.edu, _______ is the most specific label
• A host with the domain name pit.arc.nasa.gov. is on the _______ level of the DNS hierarchical tree. (The root is level one.)
• A pointer query involves the _______ domain
• DNS can use the services of ________ using the well-known port 53
• DNS can be pictured as an inverted hierarchical tree structure with one root node at the top and a maximum of
• The name of the domain is the domain name of the node at the top of the
• The domain, which is used to map an address to a name is called
• The term that define registered hosts according to their generic behavior, is called
• The DNS client adds the suffix atc.jhda.edu. before passing the address to the
• The well-known port used for encapsulation by the server is
• Each node in the tree has a
• The Two types of records are used in DNS those are
• In Domain Name, a full domain name always ends up at
• Domain Name System (DNS), is a protocol that can be used in different
• In the Internet, the domain name tree is divided into three
• In Domain Name System (DNS), the well known port 53 provides the services of
• New domains can be added to DNS through a
• The xxx.yyy.net is a
• A supporting program that is used by other programs such as e-mail is called
• In DNS the solution to problems is to distribute the information among many computers known as
• The country domains section uses two-character country
• A registrar first verifies that the requested domain name is unique and then enters it into the DNS
• In Domain Name System (DNS), a contiguous part of the entire tree is called
• To register, the organization needs to give the name ofits server and the IP address of
• A server whose zone consists of the whole tree is called
• A root server\'s zone is the entire
• If the server has the information, it satisfies the
• Domain Name System (DNS), allows domains to be divided further into
• A DNS client/server program can support an e-mail program to find the IP address of an
• Mapping a name to an address or an address to a name is called
• In DNS meaagaes a section consisting of one or more resource records is called
• To provide security and prevent unauthorized changes in the DNS records an authentication mechanism is used, known as
• A primary server loads all information from the
• In Domain Name Space (DNS), when the Internet was small, mapping was done by using a
• In Domain Name Space, the null suffix defines
• The information contained in the domain name space must be
• In Domain Name Space, if a label is not terminated by a null string, it is called a
• Each name space is made of several parts in
• The main disadvantage of a flat name space is that it cannot be used in a large
• A root server is a server whose zone consists of the
• In Domain Name, a full domain name is a sequence of labels separated by
• The domain names are always read from the
• A root server usually does not store any information about domains but delegates its authority to the
• The generic domains, for specifying an organization type are
• A domain name hello.customer.info. Is
• There are two types of records in
• A name is assigned to an address in
• A domain is a sub tree of the
• In Domain Name System (DNS), the server makes a database called
• If the size of the response message is more than 512 bytes, a Connection is used called
• Fully Qualified Domain Name (FQDN), defines the name of the
• Domain Name System (DNS), has two types of messages
• In Domain Name System (DNS) meassages, the length of header is
• Each node in the tree has a label, which is a string with a maximum of
• DDNS stands for
• The System in which the names are defined in an inverted-tree structure with the root at the top is called
• The first address part of Hierarchical Narne Space can define the
• The DNS clients are known as
• If a label is terminated by a null string, it is called a

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