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NCTI Common Exam Questions With The Correct Answers 2023
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NCTI Common Exam Questions With The Correct Answers 2023
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NCTI Common Exam Questions WithThe Correct Answers 2023
The open source interconnection reference model (OSI/RM) Network layer servers
which primary purpose? - AnswerIt uses layer 3 addresses to create multiple routed
networks
The address 68. 56. 189. 17 belongs to which Internet protocol (IP) class? -
AnswerClass A
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? -
AnswerThe 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? -
AnswerRouter
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? - AnswerDecapsulate the
packet
Which network information can be determined from a logical Internet protocol (IP)
address? - AnswerThe 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)? - AnswerThe 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? - AnswerThe Transport Layer
All computers running on the transmission control protocol/Internet protocol (TCP/IP)
suite have which of the following in common? - AnswerEach computer is assigned its
own internet protocol (IP) address
A repeater operates at which layer of the open systems interconnection reference
model (OSI/RM)? - AnswerThe physical layer
Which one of the following protocols allows email clients to download their messages
from an email server? - AnswerPost Office Protocol version 3 (POP3)
Hypertext transfer protocol (HTTP) is what type of protocol? - AnswerStateless
, On the file transfer protocol (FTP) server, what manages client requests for file retrieval
or transmission? - AnswerA daemon
What are the primary requirements to connect to a transmission control protocol/
Internet protocol (TCP/IP) network? - AnswerUnique 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? - AnswerStore-and-forward
Host names and uniform resource locators (URL) are resolved to Internet protocol (IP)
addresses by which of the following application? - AnswerDomain Name System (DNS)
What happens when the browser application finishes downloading the files necessary to
display a Web page? - AnswerThe 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? - AnswerInternet Message Access Protocol 4 (IMAP4)
What type of server maintains an access log to assist with troubleshooting and tracking
down malicious users? - AnswerA file transfer protocol (FTP) server
A store-and-foward email system will not deliver messages until: - AnswerThe host
request the information
What is the binary equivalent of the decimal 136 - Answer10001000
Convert the Internet protocol (IP) address 172. 68. 10. 2 from decimal to binary -
Answer10101100. 01000100. 00001010. 00000010
Convert the binary Internet protocol (IP) address 01110011. 11001000. 00101100.
00000010 to decimal - Answer115.200.44.2
Which is the result of ANDing the Internet protocol address 23. 176. 224. 18 with a
subnet mask 255. 224. 0. 0? - Answer23.160.0.0
Which represents the prefix bits for the subnet mask 255. 255. 0. 0? - Answer/23
If we borrow 3 bits from a Class C network address, how many usable subnets have we
created? - Answer8
What isolates an Internet protocol (IP) address's network portion from its host portion? -
AnswerA network mask
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