Chapter 17 quizlet. STUDY THIS ONE!!!

-d

Do not resolve addresses to hostnames

-4

Force using IPv4

-6

Force using IPv6

-j host-list

Loose source route along host-list (IPv4 only)

A user reports a lack of network connectivity. The technician takes control of the user machine and attempts to ping other computers on the network and these pings fail. The technician pings the default gateway and that also fails. What can be determined for sure by the results of these tests?

Nothing can be determined for sure at this point.

Which two network protocols are used to establish a remote access network connection to a device?

SSH and Telnet

-s srcaddr

Source address to use (IPv6 only)

A ping fails when performed from router R1 to directly connected router R2. The network administrator then proceeds to issue the show cdp neighbors command. Why would the network administrator issue this command if the ping failed between the two routers?

The network administrator wants to verify Layer 2 connectivity.

-r

Trace round-trip path (IPv6 only)

show ip interface

Used to verify the Layer 3 info of an interface

show ip route

Used to verify the Layer 3 routing info

show interfaces

Used to verify the interface status and see if there are any error messages

show arp

Used to verify the list of known hosts on the local Ethernet LANs

show protocols

Used to verify which protocols are operational

What differentiates viruses and worms?

Viruses cannot self replicate. Worms can.

-w timeout

Wait timeout milliseconds for each reply

what does "U" indicate?

a router along the path with an ICMP type 3 "destination unreachable" error message.

A network engineer is analyzing reports from a recently performed network baseline. Which situation would depict a possible latency issue?

an increase in host-to-host ping response times

What is the role of an IPS?

detecting and blocking of attacks in real time

what does "!" indicate?

successful receipt of an echo reply message.

what does a "..." indicate?

that time expired waiting for an echo reply message

Why would a network administrator use the tracert utility?

to identify where a packet was lost or delayed on a network