A relation that has no partial dependencies is in which normal form
Ans:– B ,
The network layer, in reference to the OSI model, provide
Options: data link procedures that provide for the exchange of data via frames that can be sent and received, the interface between the X.25 network and packet mode device, the virtual circuit interface to packet-switched service, All of the above
Options: To ensure that data is retransmitted if an acknowledgment is not received., To reassemble segments in the correct order at the destination device., To provide a means for the receiver to govern the amount of data sent by the sender., To regulate the size of each segment.
Options: Moves the cursor one Page Up
B. Moves the cursor one Paragraph Up
C. Moves the cursor one Screen Up
D. Moves the cursor one Line Up
Ans:– A ,
Which of the following statement is incorrect?
Options: The Addresses Resolution Protocol, ARP, allows a host to find the physical address of a target host on the same physical network, given only the target IP address., The sender's IP - to- physical address binding is included in every ARP broadcast; receivers update the IP-to-Physical address binding information in their cache before processing an ARP packet., ARP is a low-level protocol that hides the underlying network physical addressing, permitting us to assign IP-addresses of our choice to every machine., All of the above
Options: Extended bit comparable to digital interface for computer, Extended bootable computerised digital infrared calculator, Extended binary coded decimal interchange code, Extended binary coded decimal information code
Options: a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address, a TCP/IP high level protocol for transferring files from one machine to another., a protocol used to monitor computers, a protocol that handles error and control messages
When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?