CCNA final exam

What type of communication rule would best describe CSMA/CD?

access method

Which message delivery option is used when all devices need to receive the same message simultaneously?

broadcast

In addition to the cable length, what two factors could interfere with the communication carried over UTP cables? (Choose two.)

electromagnetic interference cross talk

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

extranet

Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses Telnet to connect to the switch, which password is needed to access user EXEC mode?

linevtyin*

Which keys act as a hot key combination that is used to interrupt an IOS process?

Ctrl-shift-6

A small business user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?

DSL

Which two protocols function at the internet layer? (Choose two.)

IP ICMP

What are the two sublayers of the OSI model data link layer? (Choose two.

MAC LLC

A technician has been asked to develop a physical topology for a network that provides a high level of redundancy. Which physical topology requires that every node is attached to every other node on the network?

Mesh

What is the purpose of the SVI on a Cisco switch?

The SVI provides a virtual interface for remote access to the switch.*

Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?

The administrator must first enter privileged EXEC mode before issuing the command.*

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

This command prevents someone from viewing the running configuration passwords.*

If data is being sent over a wireless network, then connects to an Ethernet network, and eventually connects to a DSL connection, which header will be replaced each time the data travels through a network infrastructure device?

data link

What is done to an IP packet before it is transmitted over the physical medium?

it is encapsulated in a layer 2 frame

What type of communication medium is used with a wireless LAN connection?

radio waves

What PDU is associated with the transport layer?

segment