MCQOPTIONS
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MCQOPTIONS
This section includes 97 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Networks knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The right to use a domain name is delegated by domain name registers which are accredited by _______ |
| A. | internet architecture board |
| B. | internet society |
| C. | internet research task force |
| D. | internet corporation for assigned names and numbers |
| Answer» E. | |
| 2. |
The root of the DNS tree is _______. |
| A. | a string of characters |
| B. | a string of 63 characters |
| C. | an empty string |
| D. | none of the above |
| Answer» D. none of the above | |
| 3. |
In a _________name space, each name is made of several parts. |
| A. | flat |
| B. | hierarchical |
| C. | organized |
| D. | none of the above |
| Answer» C. organized | |
| 4. |
In the DNS, the names are defined in ___________ structure. |
| A. | a linear list |
| B. | an inverted-tree |
| C. | a graph |
| D. | none of the above |
| Answer» C. a graph | |
| 5. |
A ________ server loads all information from the primary server. |
| A. | primary |
| B. | secondary |
| C. | zone |
| D. | none of the above |
| Answer» C. zone | |
| 6. |
The first address part of Hierarchical Narne Space can define the |
| A. | Name of an organization |
| B. | Nature of the organization |
| C. | Departments in the organization |
| D. | DataType |
| Answer» C. Departments in the organization | |
| 7. |
A registrar first verifies that the requested domain name is unique and then enters it into the DNS |
| A. | Database |
| B. | Servers |
| C. | Domains |
| D. | Protocol |
| Answer» B. Servers | |
| 8. |
In Domain Name Space, if a label is not terminated by a null string, it is called a |
| A. | Partially Qualified Domain Name |
| B. | Partially Qualified Domain Node |
| C. | Partially Qualified Data Node |
| D. | Partially Qualified Data Name |
| Answer» B. Partially Qualified Domain Node | |
| 9. |
A supporting program that is used by other programs such as e-mail is called |
| A. | DNS |
| B. | SMTP |
| C. | IP |
| D. | Server/Client |
| Answer» B. SMTP | |
| 10. |
In Domain Name Space (DNS), when the Internet was small, mapping was done by using a |
| A. | IP File |
| B. | Host File |
| C. | Host IP |
| D. | Host Server |
| Answer» C. Host IP | |
| 11. |
In DNS meaagaes a section consisting of one or more resource records is called |
| A. | Question Section |
| B. | Template Section |
| C. | Resource Section |
| D. | Answer Section |
| Answer» E. | |
| 12. |
Mapping a name to an address or an address to a name is called |
| A. | Name-address Generations |
| B. | Name-address Abbreviations |
| C. | Name-address Resolution |
| D. | Name-address Information |
| Answer» D. Name-address Information | |
| 13. |
In Domain Name, a full domain name always ends up at |
| A. | 1 Node |
| B. | 2 Nodes |
| C. | 0 Node |
| D. | Null Node |
| Answer» E. | |
| 14. |
Domain Name System (DNS), is a protocol that can be used in different |
| A. | Layers |
| B. | Categories |
| C. | Platform |
| D. | Stages |
| Answer» D. Stages | |
| 15. |
In the domain name chal.atc.fhda.edu, _______ is the least specific label. |
| A. | chal |
| B. | atc |
| C. | edu |
| D. | none of the above |
| Answer» D. none of the above | |
| 16. |
The _________ domain is used to map an address to a name. |
| A. | generic |
| B. | country |
| C. | inverse |
| D. | none of the above |
| Answer» D. none of the above | |
| 17. |
What a server is responsible for or has authority over is called a _________. |
| A. | domain |
| B. | label |
| C. | zone |
| D. | none of the above |
| Answer» D. none of the above | |
| 18. |
In Domain Name System (DNS), the well known port 53 provides the services of |
| A. | UDP |
| B. | TCP |
| C. | ICMP |
| D. | Both a and b |
| Answer» E. | |
| 19. |
In Domain Name System (DNS), a contiguous part of the entire tree is called |
| A. | Host |
| B. | Server |
| C. | Domain |
| D. | Zone |
| Answer» E. | |
| 20. |
The well-known port used for encapsulation by the server is |
| A. | Port 7 |
| B. | Port 23 |
| C. | Port 53 |
| D. | Port 67 |
| Answer» D. Port 67 | |
| 21. |
A domain name "hello.customer.info." Is |
| A. | City domain |
| B. | Generic domain |
| C. | Country domain |
| D. | Sub-domain |
| Answer» C. Country domain | |
| 22. |
DNS can use the services of ________ using the well-known port 53. |
| A. | UDP |
| B. | TCP |
| C. | either (a) or (b) |
| D. | none of the above |
| Answer» D. none of the above | |
| 23. |
The domain names are always read from the |
| A. | Node up to the root |
| B. | Node down to the leaf |
| C. | Root to Child |
| D. | All of them |
| Answer» B. Node down to the leaf | |
| 24. |
The term that define registered hosts according to their generic behavior, is called |
| A. | Generic Domains |
| B. | Main Domains |
| C. | Super-Domains |
| D. | Sub-Domains |
| Answer» B. Main Domains | |
| 25. |
The domain, which is used to map an address to a name is called |
| A. | Generic Domains |
| B. | Inverse Domain |
| C. | Main Domains |
| D. | Sub-Domains |
| Answer» C. Main Domains | |
| 26. |
DNS can be pictured as an inverted hierarchical tree structure with one root node at the top and a maximum of |
| A. | 128 Levels |
| B. | 129 Levels |
| C. | 130 Levels |
| D. | 131 Levels |
| Answer» B. 129 Levels | |
| 27. |
A full domain name is a sequence of labels separated by ________. |
| A. | semicolons |
| B. | dots |
| C. | colons |
| D. | none of the above |
| Answer» C. colons | |
| 28. |
A _______ is a server whose zone consists of the whole tree. |
| A. | domain server |
| B. | zone server |
| C. | root server |
| D. | none of the above |
| Answer» D. none of the above | |
| 29. |
The information contained in the domain name space must be |
| A. | Divided |
| B. | Shared |
| C. | Stored |
| D. | Checked |
| Answer» D. Checked | |
| 30. |
A root server usually does not store any information about domains but delegates its authority to the |
| A. | Main Server |
| B. | Sub Server |
| C. | Other Server |
| D. | Host Server |
| Answer» D. Host Server | |
| 31. |
In __________ resolution, the server returns the IP address of the server that it thinks can resolve the query. |
| A. | iterative |
| B. | recursive |
| C. | straight |
| D. | none of the above |
| Answer» B. recursive | |
| 32. |
In the Internet, the domain name space (tree) is divided into _______ different sections: |
| A. | three |
| B. | two |
| C. | four |
| D. | five |
| Answer» B. two | |
| 33. |
A DNS client/server program can support an e-mail program to find the IP address of an |
| A. | E-Mail Server |
| B. | DNS Server |
| C. | Email Recipient |
| D. | DNS Recipient |
| Answer» D. DNS Recipient | |
| 34. |
A _________ is a subtree of the domain name space. |
| A. | label |
| B. | name |
| C. | domain |
| D. | none of the above |
| Answer» D. none of the above | |
| 35. |
The xxx.yyy.net is a |
| A. | PQDN |
| B. | FQDN |
| C. | DDNS |
| D. | All of them |
| Answer» B. FQDN | |
| 36. |
Domain Name System (DNS), has two types of messages |
| A. | Query and Resolver |
| B. | Hosted and Generic |
| C. | Query and Responsive |
| D. | Resolver and Informative |
| Answer» D. Resolver and Informative | |
| 37. |
A root server is a server whose zone consists of the |
| A. | Subdomains |
| B. | Zone Files |
| C. | Whole tree |
| D. | DNS servers |
| Answer» D. DNS servers | |
| 38. |
If the server has the information, it satisfies the |
| A. | Host |
| B. | Server |
| C. | Zone Server |
| D. | Resolver |
| Answer» E. | |
| 39. |
New domains can be added to DNS through a |
| A. | Query |
| B. | Registrar |
| C. | Domain |
| D. | Response |
| Answer» C. Domain | |
| 40. |
If a label is terminated by a null string, it is called a __________. |
| A. | PQDN |
| B. | FQDN |
| C. | SQDN |
| D. | none of the above |
| Answer» C. SQDN | |
| 41. |
A root server's zone is the entire |
| A. | STP Tree |
| B. | DNS Tree |
| C. | HostTree |
| D. | Sub-Tree |
| Answer» C. HostTree | |
| 42. |
A name is assigned to an address in |
| A. | Name Space |
| B. | Domain Name Space |
| C. | Flat Name Space |
| D. | Hard Name Space |
| Answer» D. Hard Name Space | |
| 43. |
The DNS clients are known as |
| A. | Nodes |
| B. | Resolvers |
| C. | Sub-Domain |
| D. | Participator |
| Answer» C. Sub-Domain | |
| 44. |
In Domain Name Space, the null suffix defines |
| A. | IP |
| B. | Server |
| C. | Host |
| D. | Nothing |
| Answer» E. | |
| 45. |
To have a hierarchical name space, a ______________ was designed. |
| A. | domain space |
| B. | main name |
| C. | domain name space |
| D. | none of the above |
| Answer» D. none of the above | |
| 46. |
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. | third |
| B. | fourth |
| C. | fifth |
| D. | none of the above |
| Answer» D. none of the above | |
| 47. |
A primary server loads all information from the |
| A. | IP File |
| B. | Disk File |
| C. | Host File |
| D. | Host Server |
| Answer» C. Host File | |
| 48. |
The Two types of records are used in DNS those are |
| A. | Question Record |
| B. | Answers Record |
| C. | Resource Record |
| D. | Both a and c |
| Answer» E. | |
| 49. |
Domain Name System (DNS), allows domains to be divided further into |
| A. | Large-Domains |
| B. | Down-Domains |
| C. | Super-Domains |
| D. | Sub-Domains |
| Answer» E. | |
| 50. |
If a label is terminated by a null string, it is called a |
| A. | PQDN |
| B. | FQDN |
| C. | DNS |
| D. | NS |
| Answer» C. DNS | |