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.
| 51. |
In the Internet, the domain name tree is divided into three |
| A. | Different Stages |
| B. | Different Layers |
| C. | Different Parts |
| D. | Different Sections |
| Answer» E. | |
| 52. |
A server whose zone consists of the whole tree is called |
| A. | Root Server |
| B. | Sub Server |
| C. | IP Server |
| D. | Host Server |
| Answer» B. Sub Server | |
| 53. |
Each name space is made of several parts in |
| A. | Name Space Domain |
| B. | Domain Name Space |
| C. | Hierarchical Name Space |
| D. | Flat Name Space |
| Answer» D. Flat Name Space | |
| 54. |
Each node in the tree has a _______, which is a string with a maximum of ___ characters. |
| A. | label; 127 |
| B. | name; 255 |
| C. | label; 63 |
| D. | none of the above |
| Answer» D. none of the above | |
| 55. |
The first level in the generic domains section allows ______ possible labels. |
| A. | 10 |
| B. | 12 |
| C. | 16 |
| D. | none of the above |
| Answer» E. | |
| 56. |
A domain is a sub tree of the |
| A. | domain name space |
| B. | PQDN |
| C. | FQDN |
| D. | FNS |
| Answer» B. PQDN | |
| 57. |
When the secondary downloads information from the primary, it is called ______ transfer. |
| A. | domain |
| B. | zone |
| C. | label |
| D. | none of the above |
| Answer» C. label | |
| 58. |
To register, the organization needs to give the name ofits server and the IP address of |
| A. | Server |
| B. | Clients |
| C. | Zones |
| D. | All of the above |
| Answer» B. Clients | |
| 59. |
A pointer query involves the _______ domain. |
| A. | inverse |
| B. | reverse |
| C. | root |
| D. | none of the above |
| Answer» B. reverse | |
| 60. |
DDNS stands for |
| A. | DYNAMIC DOMAIN NAME SOLUTION |
| B. | DYNAMIC DOMAIN NAME SERVER |
| C. | DYNAMIC DOMAIN NAME SYSTEM |
| D. | DYNAMIC DOMAIN NUMBER SECTION |
| Answer» D. DYNAMIC DOMAIN NUMBER SECTION | |
| 61. |
Fully Qualified Domain Name (FQDN), defines the name of the |
| A. | IP |
| B. | Host |
| C. | Node |
| D. | Root |
| Answer» C. Node | |
| 62. |
Each node in the tree has a |
| A. | Primary Name |
| B. | Domain name. |
| C. | DNS tree |
| D. | All of the above |
| Answer» C. DNS tree | |
| 63. |
In the domain name chal.atc.fhda.edu, _______ is the most specific label. |
| A. | chal |
| B. | atc |
| C. | fhda |
| D. | none of the above |
| Answer» B. atc | |
| 64. |
Each node in the tree has a label, which is a string with a maximum of |
| A. | 38 characters |
| B. | 47characters |
| C. | 52 characters |
| D. | 63 characters |
| Answer» E. | |
| 65. |
If a label is not terminated by a null string, it is called a __________. |
| A. | PQDN |
| B. | FQDN |
| C. | SQDN |
| D. | none of the above |
| Answer» B. FQDN | |
| 66. |
The ____________ domain section uses two-character country abbreviations. |
| A. | generic |
| B. | country |
| C. | inverse |
| D. | none of the above |
| Answer» C. inverse | |
| 67. |
In Domain Name System (DNS), the server makes a database called |
| A. | Zone IP |
| B. | Zone File |
| C. | Zone Domain |
| D. | Zone Server |
| Answer» C. Zone Domain | |
| 68. |
The main disadvantage of a flat name space is that it cannot be used in a large |
| A. | Protocol Domain |
| B. | Internet |
| C. | |
| D. | System |
| Answer» E. | |
| 69. |
The _______ domains define registered hosts according to their generic behavior. |
| A. | generic |
| B. | country |
| C. | inverse |
| D. | none of the above |
| Answer» B. country | |
| 70. |
The name of the domain is the domain name of the node at the top of the |
| A. | Sub Tree |
| B. | Main Tree |
| C. | Leaf Node |
| D. | Bottom Tree |
| Answer» B. Main Tree | |
| 71. |
There are two types of records in |
| A. | SMTP |
| B. | ICMP |
| C. | DNS |
| D. | IP |
| Answer» D. IP | |
| 72. |
The System in which the names are defined in an inverted-tree structure with the root at the top is called |
| A. | Name Space |
| B. | Domain Name Space |
| C. | Hierarchical Name Space |
| D. | Flat Name Space |
| Answer» C. Hierarchical Name Space | |
| 73. |
A ________ server loads all information from the disk file. |
| A. | primary |
| B. | secondary |
| C. | zone |
| D. | none of the above |
| Answer» B. secondary | |
| 74. |
The generic domains, for specifying an organization type are |
| A. | 6 |
| B. | 8 |
| C. | 10 |
| D. | 14 |
| Answer» E. | |
| 75. |
In a _______ name space, a name is assigned to an address. A name in this space is a sequence of characters without structure. |
| A. | flat |
| B. | hierarchical |
| C. | organized |
| D. | none of the above |
| Answer» B. hierarchical | |
| 76. |
The country domains section uses two-character country |
| A. | Generations |
| B. | Abbreviations |
| C. | Notations |
| D. | Zones |
| Answer» C. Notations | |
| 77. |
To provide security and prevent unauthorized changes in the DNS records an authentication mechanism is used, known as |
| A. | DNS |
| B. | DDNS |
| C. | DDN |
| D. | SDN |
| Answer» C. DDN | |
| 78. |
In DNS the solution to problems is to distribute the information among many computers known as |
| A. | DNS Client |
| B. | DNS Server |
| C. | DNS Provider |
| D. | DNS Recipient |
| Answer» C. DNS Provider | |
| 79. |
In Domain Name System (DNS) meassages, the length of header is |
| A. | 08 Bytes |
| B. | 12 Bytes |
| C. | 14 Bytes |
| D. | 24 Bytes |
| Answer» C. 14 Bytes | |
| 80. |
The DNS client adds the suffix atc.jhda.edu. before passing the address to the |
| A. | DNS Client |
| B. | DNS Server |
| C. | DNS Label |
| D. | DNS Recipient |
| Answer» C. DNS Label | |
| 81. |
In __________ resolution, the resolver expects the server to supply the final answer. |
| A. | iterative |
| B. | recursive |
| C. | straight |
| D. | none of the above |
| Answer» C. straight | |
| 82. |
In Domain Name, a full domain name is a sequence of labels separated by |
| A. | Dots |
| B. | Colons |
| C. | Semicolons |
| D. | Question marks |
| Answer» B. Colons | |
| 83. |
FQDN stands for |
| A. | Filled Quality Domain Name |
| B. | False Quality Domain Name |
| C. | Fully Qualified Domain Name |
| D. | First Qualified Domain Name |
| Answer» D. First Qualified Domain Name | |
| 84. |
If the size of the response message is more than 512 bytes, a Connection is used called |
| A. | DNS connection |
| B. | ICMP connection |
| C. | STMP connection |
| D. | TCP connection |
| Answer» E. | |
| 85. |
Servers handle requests for other domains |
| A. | directly |
| B. | by contacting remote DNS server |
| C. | it is not possible |
| D. | none of the mentioned |
| Answer» C. it is not possible | |
| 86. |
What does a DNS client called? |
| A. | DNS handler |
| B. | DNS resolver |
| C. | DNS updater |
| D. | None of the above |
| Answer» C. DNS updater | |
| 87. |
The ____ translates internet domain and host names to IP address. |
| A. | domain name system |
| B. | routing information protocol |
| C. | network time protocol |
| D. | internet relay chat |
| Answer» B. routing information protocol | |
| 88. |
Which of the following devices translates hostnames into IP addresses? |
| A. | DNS Server |
| B. | Hub |
| C. | DHCP Server |
| D. | Firewall |
| Answer» B. Hub | |
| 89. |
THE_DOMAIN_NAME_SYSTEM_IS_MAINTAINED_BY________?$ |
| A. | distributed database system |
| B. | a single server |
| C. | a single computer |
| D. | none of the mentioned |
| Answer» B. a single server | |
| 90. |
Which_one_of_the_following_is_not_true?$ |
| A. | multiple hostnames may correspond to a single IP address |
| B. | a single hostname may correspond to many IP addresses |
| C. | a single hostname may correspond to a single IP address |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 91. |
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. | |
| 92. |
Wildcard domain names start with label _______ |
| A. | @ |
| B. | * |
| C. | & |
| Answer» C. & | |
| 93. |
If a server has no clue about where to find the address for a hostname then _______ |
| A. | server asks to the root server |
| B. | server asks to its adjcent server |
| C. | request is not processed |
| D. | none of the mentioned |
| Answer» B. server asks to its adjcent server | |
| 94. |
DNS database contains _______ |
| A. | name server records |
| B. | hostname-to-address records |
| C. | hostname aliases |
| D. | all of the mentioned |
| Answer» E. | |
| 95. |
Servers handle requests for other domains _______ |
| A. | directly |
| B. | by contacting remote DNS server |
| C. | it is not possible |
| D. | none of the mentioned |
| Answer» C. it is not possible | |
| 96. |
A DNS client is called _________ |
| A. | DNS updater |
| B. | DNS resolver |
| C. | DNS handler |
| D. | none of the mentioned |
| Answer» C. DNS handler | |
| 97. |
The entire hostname has a maximum of ___________ |
| A. | 255 characters |
| B. | 127 characters |
| C. | 63 characters |
| D. | 31 characters |
| Answer» B. 127 characters | |