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NCTI Questions with complete solution 2023
NCTI Questions with complete solution 2023
[Meer zien]Voorbeeld 2 van de 10 pagina's
Voorbeeld 2 van de 10 pagina's
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Voorbeeld van de inhoud
NCTIThe open source interconnection reference model (OSI/RM) Network layer servers
which primary purpose? - correct answer It uses layer 3 addresses to create multiple
routed networks
The address 68. 56. 189. 17 belongs to which Internet protocol (IP) class? - correct
answer Class A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? -
correct answer The datagram loops back inside the host and never leaves the
network interface card (NIC)
Which device evaluates and acts upon a packet's Internet protocol (IP) address? -
correct answer Router
The network layer must do what to a received frame first, in order to determine the route
over which it will forward the datagram to the next network? - correct answer
Decapsulate the packet
Which network information can be determined from a logical Internet protocol (IP)
address? - correct answer The host portion and network portion
The physical address of a device is processed by which layer of the open systems
interconnection reference model (OSI/RM)? - correct answer The data link layer
Which layer of the open systems interconnection reference model (OSI/RM) would you
suspect as being the problem when packets are arriving at the server but no information
is being returned to the client? - correct answer The Transport Layer
All computers running on the transmission control protocol/Internet protocol (TCP/IP)
suite have which of the following in common? - correct answer Each computer is
assigned its own internet protocol (IP) address
A repeater operates at which layer of the open systems interconnection reference
model (OSI/RM)? - correct answer The physical layer
Which one of the following protocols allows email clients to download their messages
from an email server? - correct answer Post Office Protocol version 3 (POP3)
Hypertext transfer protocol (HTTP) is what type of protocol? - correct answer
Stateless
On the file transfer protocol (FTP) server, what manages client requests for file retrieval
or transmission? - correct answer A daemon
, What are the primary requirements to connect to a transmission control protocol/
Internet protocol (TCP/IP) network? - correct answer Unique pairs of Network Layer
and Transport Layer addresses and use of the TCP/IP protocol suite
What type of delivery method uses an email server between the sender and the receiver
of messages? - correct answer Store-and-forward
Host names and uniform resource locators (URL) are resolved to Internet protocol (IP)
addresses by which of the following application? - correct answer Domain Name
System (DNS)
What happens when the browser application finishes downloading the files necessary to
display a Web page? - correct answer The browser and server drop the connection,
and the browser maintains the page and its elements in local memory
Which email protocol enables the messages to be viewed without first downloading
them from the email server? - correct answer Internet Message Access Protocol 4
(IMAP4)
What type of server maintains an access log to assist with troubleshooting and tracking
down malicious users? - correct answer A file transfer protocol (FTP) server
A store-and-foward email system will not deliver messages until: - correct answer The
host request the information
What is the binary equivalent of the decimal 136 - correct answer 10001000
Convert the Internet protocol (IP) address 172. 68. 10. 2 from decimal to binary - correct
answer 10101100. 01000100. 00001010. 00000010
Convert the binary Internet protocol (IP) address 01110011. 11001000. 00101100.
00000010 to decimal - correct answer 115.200.44.2
Which is the result of ANDing the Internet protocol address 23. 176. 224. 18 with a
subnet mask 255. 224. 0. 0? - correct answer 23.160.0.0
Which represents the prefix bits for the subnet mask 255. 255. 0. 0? - correct
answer /23
If we borrow 3 bits from a Class C network address, how many usable subnets have we
created? - correct answer 8
What isolates an Internet protocol (IP) address's network portion from its host portion? -
correct answer A network mask
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