ITN Module 13 Multiple-Choice Quiz

A technician is troubleshooting a network where it is suspected that a defective node in the network path is causing packets to be dropped. The technician only has the IP address of the end point device and does not have any details of the intermediate devices. What command can the technician use to identify the faulty node?

• tracert
• ipconfig
• ipconfig /flushdns
• ipconfig /displaydns
• ping

A user who is unable to connect to the file server contacts the help desk. The helpdesk technician asks the user to ping the IP address of the default gateway that is configured on the workstation. What is the purpose for this ping command?

• to test that the host has the capability to reach hosts on other networks
• to obtain a dynamic IP address from the server
• to request that gateway forward the connection request to the file server
• to resolve the domain name of the file server to its IP address

What is a function of the tracert command that differs from the ping command when they are used on a workstation?

• The tracert command is used to test the connectivity between two devices
• The tracert command sends one ICMP message to each hop in the path
• The tracert command shows the information of routers in the path
• The tracert command reaches the destination faster

Which message is used by the traceroute utility during the process of finding the path between two end hosts?

• destination unreachable
• redirect
• time exceeded
• echo reply
• echo request

Which utility uses the Internet Control Messaging Protocol

• ping
• DHCP
• ipconfig
• show commands

Which protocol is used by IPv4 and IPv6 to provide error messaging?

• ICMP
• DHCP
• OSPF
• ARP
• DNS

Which protocol provides feedback from the destination host to the source host about errors in packet delivery?

• ICMP
• DHCP
• OSPF
• ARP
• DNS

Which 3 things can be determined by using the traceroute command?

• the IP address of the router nearest the destination device
• the destination device is reachable through the network
• the average time it takes a packet to reach the destination and for the response to return to the source
• the number of routers between the source and destination device
• the average time it takes each router in the path between source and destination to respond

A user calls to report that a PC cannot access the internet. The network technician asks the user to issue the command ping 127.0.0.1 in a command prompt window. The user reports that the result is four positive replies. What conclusion can be drawn based on this connectivity test?

• The PC can access the network. The problem exists beyond the local network.
• The TCP/IP protocols are working properly on the PC.
• The PC can access the Internet but the web browser is not functioning properly.
• The PCs IP address was not configured correctly using DHCP.

Which command can be used to test connectivity between two devices using echo request and echo reply messages?

• ping
• ipconfig
• ipconfig /flushdns
• ipconfig /displaydns
• tracert