FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

TYPES OF COMPUTER SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which statement is true about routing on the Internet?
A
Information travelling between two computers over the Internet will always take the same path.
B
A packet travelling between two computers on the Internet may be rerouted many times along the way
C
There is one router which receives and redirects all the traffic of the Internet.
D
A packet contains addressing information to allow routers to decide how best to forward along that packet towards its destination.
Explanation: 

Detailed explanation-1: -The router uses the information in the IP header to decide whether and where to forward each received packet, and which network interface to use to send the packet. Most packets are forwarded based on the packet’s IP destination address, along with routing information held within the router in a routing table.

Detailed explanation-2: -Which of the following is the best description of how routing works on the Internet? A computer stores the destination IP address in the IP packet header and sends the packet to the nearest router.

Detailed explanation-3: -A router’s main function is to forward traffic to destination networks via the destination address in an IP packet. Routers also resolve MAC addresses (particularly their own) by using the Address Resolution Protocol (ARP).

Detailed explanation-4: -A routing protocol is a protocol used for identifying or announcing network paths. The following protocols help data packets find their way across the Internet: IP: The Internet Protocol (IP) specifies the origin and destination for each data packet.

There is 1 question to complete.