Which layer in the OSI reference model is responsible for determining the availability of the
receiving program and checking to see if enough resources exist for that communication?

Which of the following describes the roles of devices in a WAN? (Choose three.)

Refer to the exhibit.

Host A pings interface S0/0 on router 3. What is the TTL value for that ping?

A network administrator is verifying the configuration of a newly installed host by establishing an
FTP connection to a remote server. What is the highest layer of the protocol stack that the network
administrator is using for this operation?

Refer to the exhibit.

After HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission?

A network interface port has collision detection and carrier sensing enabled on a shared twisted
pair network. From this statement, what is known about the network interface port?

A receiving host computes the checksum on a frame and determines that the frame is damaged.
The frame is then discarded. At which OSI layer did this happen?

Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)

Refer to the graphic.

Host A is communicating with the server. What will be the source MAC address of the frames
received by Host A from the server?

Refer to the exhibit.

What two results would occur if the hub were to be replaced with a switch that is configured with
one Ethernet VLAN? (Choose two.)