Networking review

Your network is experiencing CRC errors. Which layer of the network should you start troubleshooting?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

An end user is unable to access network resources after making some configuration changes to their desktop. What should you do first to troubleshoot the issue?

• Do a ping test

• Check the ethernet cables

• Ask what changes where made

• Use Ipconfig

Which topology is used in most modern networks and is also known as the hub and spoke?

• Bus

• Mesh

• Star

• Ring

A host requires this to access the internet (Choose 3)

• Mac Address

• Subnet Mask

• IP address

• Default Gateway

Which is the largest MTU for an ethernet frame?

• 1500

• 9000

• 1450

• 2000

You are setting up a network that needs 10gb throughput and has a distance limitation of 100m. Which cable would you use?

• Cat 5e

• Cat 6a

• Cat6

• Cat8

A command that displays each hop along with travel time?

• Ping

• NetStat

• IPconfig

• Traceroute

How many layers do the OSI model have?

• 4

• 7

• 8

• 10

What is used at layer 2 of the OSI model to uniquely identify host on the network?

• IP address

• Port Number

• Mac Address

• Check Sum

Which of the following is a connection-oriented protocol?

• ICMP

• TCP

• UDP

• CSMA/CD