,COMPREHENSIVE NCTI QUESTIONS AND ANSWERS
GRADED A+
◉ The address 68.56.189.17 belongs to which internet protocol IP class?
Answer: Class A
◉ What happens to a datagram sent by a higher level protocol to a
127.x.y.z address? 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 internal protocol (IP)
address? Answer: Router
◉ The network layer must do what to a recieved frame, in order to
determine the route over which it will forward the datagram to the next
network? Answer: Decapsulate the packet
◉ What network information can be determined from a logical internet
protocol (IP) address? 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)? Answer: The
data link layer
◉ Which layer of the open system interconnection reference modle
(OSI/RM) would you suspect as being the problem when packets
, arriving at the server but no information is being returned to the client?
Answer: The transport layer
◉ All computers running on the transmission control protocol/internet
protocol (TCP/IP) suite have which of the following in common?
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)? Answer: The physical layer.
◉ Which of the following protocols allows email clients to download
their messages from an email server? Answer: Post office protocol
version 3 (POP3)
◉ Hypertext transfer protocol (HTTP) is what type of protocol? Answer:
Stateless
◉ On the file transfer protocol (FTP) server, what manages client
requests for file retrieval or transmission? Answer: A daemon
◉ What are the primary requirements to connect a transmission control
protocol/ internet protocol (TCP/IP) network? Answer: Unique pairs of
network layer and transport layer addresses and use of the TCP/IP
protocol suit.
GRADED A+
◉ The address 68.56.189.17 belongs to which internet protocol IP class?
Answer: Class A
◉ What happens to a datagram sent by a higher level protocol to a
127.x.y.z address? 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 internal protocol (IP)
address? Answer: Router
◉ The network layer must do what to a recieved frame, in order to
determine the route over which it will forward the datagram to the next
network? Answer: Decapsulate the packet
◉ What network information can be determined from a logical internet
protocol (IP) address? 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)? Answer: The
data link layer
◉ Which layer of the open system interconnection reference modle
(OSI/RM) would you suspect as being the problem when packets
, arriving at the server but no information is being returned to the client?
Answer: The transport layer
◉ All computers running on the transmission control protocol/internet
protocol (TCP/IP) suite have which of the following in common?
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)? Answer: The physical layer.
◉ Which of the following protocols allows email clients to download
their messages from an email server? Answer: Post office protocol
version 3 (POP3)
◉ Hypertext transfer protocol (HTTP) is what type of protocol? Answer:
Stateless
◉ On the file transfer protocol (FTP) server, what manages client
requests for file retrieval or transmission? Answer: A daemon
◉ What are the primary requirements to connect a transmission control
protocol/ internet protocol (TCP/IP) network? Answer: Unique pairs of
network layer and transport layer addresses and use of the TCP/IP
protocol suit.
