Answer:
(c) Router Delay
Explanation:
The network layer of the TCP/IP provides a mechanism or tool for troubleshooting and error messaging called Internet Control Message Protocol (ICMP). Network layer devices such as routers may use this tool to communicate errors especially if there is an issue delivering data packets.
Some of these error messages are;
i. Source Route Failed
ii. Source Host Isolated
iii. Network Unreachable
iv. Host Unreachable
v. Destination Network Unknown
vi. Destination Host unknown
Note:
Router delay is not one of the error messages identified by the ICMP.
The first and the most important advantage is that it
supports a simple data structure, mainly tables. Familiar to many users, the
table structure is an intuitive organization. Another main advantage of a
relational database as compared to others is better security. Once data are split into tables, certain
tables can be made confidential.
Answer:
The fathers of the internet are Vinton Cerf and Robert Kahn
Explanation:
Vinton G. Cerf (Vint) was born in 1943 and is an American computer scientist. He researched at Stanford University on packet interconnection protocols and partnered with Robert Kahn in the design and development of the TCP/IP protocol.
Robert E. Kahn was born in 1938 and is an American engineer and computer scientist who worked with Vinton G. Cerf on the development of the TCP/IP protocol which is the crux of the internet today.
Among multiple achievements and awards, they have been awarded the Presidential Medal of Freedom by President Bush in 2005.
Answer:
First and the second option
Answer:C) Uninterruptible power supply
Explanation:Uninterruptible power supply(UPS) is the device that is used when the input source of power does not work or fails and thus it acts as a power supply in the emergency situation.This electronic devices in the protection of the hardware components of computer system etc.
Other option are incorrect because power strips, surge protector and password generator are no the devices that work during the power black out situation.Thus, the correct option is option(C).