Network

For which three reasons was a packet-switched connectionless data communications technology used when developing the Internet? (Choose three.)

-It can rapidly adapt to the loss of data transmission facilities. -It efficiently utilizes the network infrastructure to transfer data. -Data packets can travel multiple paths through the network simultaneously.

What are two characteristics of a scalable network? (Choose two.)

-grows in size without impacting existing users -suitable for modular devices that allow for expansion

. A user is attempting to do an http://www.cisco.com/ without success. Which two configuration values must be set on the host to allow this access? (Choose two.)

DNS server default gateway

. What is an ISP?

It is an organization that enables individuals and businesses to connect to the Internet.

A network administrator enters the service password-encryption command into the configuration mode of a router. What does this command accomplish?

This command prevents someone from viewing the running configuration passwords.

Which two functions are primary functions of a router? (Choose two.)

packet switching path selection

What information is added during encapsulation at OSI Layer 3?

source and destination IP address